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1. Figure 3 those are conflicting objectives in the IT organization Conversely the network monitoring optimization frame work allows an organization to migrate from a high initial CAPEX business model to a lower and variable CAPEX model in the network monitoring component of the budget With less the network managers can now do more in other areas such as network forensics lawful intercepts behavioral analysis centralizing applications for compli ance etc In addition managed service providers MSP have become mainstream where they are focusing on monetization of QoS QoE rather than focusing purely on monitoring network elements and packets The layered ap proach to network monitoring is fundamental to enabling the business model and differentiation in such network environments M About the Authors Terence Martin Breslin is CEO of VSS Monitoring He founded VSS Monitoring in October 2003 His vision of creating a distributed systems architecture to replace the practice of using only standalone TAPs for network traffic capture has changed the practice and potential of network analysis By providing visibility of any link in even the largest network VSS Monitoring s products greatly increase the ROI and productivity of networks and the people who use them Andy Huckridge is Director of Marketing at VSS Monitoring He also serves as an independent Telecom consultant to Network Equipment Vendors NEMs Test Equipment Vendo
2. Events Associate Marilyn Moux marilyn sys con com PRODUCTION Art Director Lead Designer Tami Lima Associate Art Directors Louis F Cuffari louis sys con com Abraham Addo abraham sys con com SYS CON COM Web Designers Richard Walter richard sys con com ACCOUNTING Financial Analyst Joan LaRose joan sys con com Accounts Payable Betty White betty sys con com SUBSCRIPTIONS subscribe sys con com Call 1 888 303 5282 For subscriptions and requests for bulk orders please send your letters to Subscription Department Cover Price 15 issue Domestic 149 yr 12 issues Canada Mexico 169 yr All other countries 179 yr U S Banks or Money Orders Back issues 12 U S plus S amp H EDITORIAL OFFICES SYS CON MEDIA 577 Chestnut Ridge Rd Woodcliff Lake NJ 07677 Telephone 201 802 3000 Fax 201 782 9601 PowerBuilder Developer s Journal ISSN 1078 1889 is published monthly 12 times a year Postmaster send address changes to PowerBuilder Developer s Journal SYS CON MEDIA 577 Chestnut Ridge Rd Woodcliff Lake NJ 07677 Copyright 2012 by SYS CON Publications Inc All rights reserved No part of this publication may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopy or any information storage and retrieval system without written permission All brand and product names used on these pages are trade names service marks or trademarks of their respect
3. jpg test3 jpg testa jpg Figure 3 Screenshot showing the values that hold the y location property for the thumbnail images PAGE 24 erties for each image that are concatenated together into variables on a fixed length basis ls image file lds object filepath 11_row ls image nsme lds object filensme 11_row set the qualified file name to a string of a length 100 ls file ls file LEFT ls image file FILL 100 100 set the file name to a string of a length 50 to display under the image ls filename ls filename LEFT 1s_iamge name 11_row FILL 30 50 make the image visible ls vis ls vis 1 Once complete these variables are then loaded into the appropriate columns in the display DataWindow As you can see in the figures the width of each image varies but the height of each image is constant and is set to 200 units To keep the proportions of the original image the width must be converted This is done by moving the image file to an invisible picture object located on the same window as the presentation DataWindow called p_1 that is also 200 units in height set the name from the DataWindow ls image file lds object filepath 11_row set the picturename property on the picture object p 1 picturename 1s image file set the originasize TRUE to get the correct dimensions p l originalsize TRUE set height to 200 Ll_height 200 get the ratio of desired height to th
4. String as class String as script int ai_line KKK KK KKK KKK KK KKK KK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK K KKK KK REVERE TREES ESE ii_err_num ai_err_num SetMessage as_err_msg is class as class is script as script 11_line ai_line 4 Add to n_ex a public function uf_msg having no arguments with the following code change it if your application uses a specific messaging mecha nism or if you need to register the problem in a log PEERS TEES SESE SESS E ES SS EE SELES TERESA SEES CELE ESE ELST ESET ETE OER ET ET KKK KKK KKK KKK KKK Dscr Displays a message with all the exception related infor mation Should be called for an exception caught in catch section of try end try block KK KKK KKK ESE EEE TEE EEE EEEE E EEEE TE ETE ETE STE STE STE E KKK KKK KKK KK KK KKK RERLESERERELS S int li_user_answer PBDJ JANUARY 2012 POWERBUILDER SYS CON COM string ls msg string ls header if 11_err_num gt then ls header EXCEPTION String 11_err_num THROWN else ls header EXCEPTION THROWN end if if Len is_class gt O then ls msg Class if Len is script gt O then ls msg Script if 11_line gt 0 then ls msg Line String 11_line if ls msg lt gt then ls msg r ner n is class rn Is script rn am ls msg GetMessage if Handle GetApplication running fr
5. The New World of Network Intelligence The ever increasing demand for anytime anywhere data and how to keep it from shutting you down BY TERENCE MARTIN BRESLIN AND ANDY HUCKRIDGE he explosion of mobile applications and IP based data traffic on mobile devices is fueling the migra tion to faster data rates and pushing the uptake of AG technologies Service providers are busy with migration strategies and upgrading their existing networks as stop gap measures to allow an all IP based services platform Carriers and handset vendors are rolling out application portals as a way of differentiating their offerings while providing better monetization and ARPU User mobility is pushing the trend for anywhere anytime data technol ogy while applications are driving the subscriber need The march of technology powers much of the above including more overall data traffic and the move to mobile connectivity mobile broadband Applications are becoming pervasive with the subscriber dictating what they want to use where and how Operators are continu ing to reduce costs by moving to an all IP core attempt ing to reduce network complexity and often outsourcing the management of their networks altogether With this much transformation taking place in the network the migration does not take place over night In the foreseeable future network operators still need to support a hybrid network that interconnects various types of existi
6. The SUP server establishes an outbound con nection to the Relay Server through a component called the Relay Server Outbound Enabler or RSOE SUP needs to know the connection details to the Relay Server and they re configured in the Sybase Control Center This is configured in the main server properties panel of SCC in the Relay Servers tabpage Figure 2 shows what this looks like Click the New button to open the first screen of the registration wizard Fill in the following values e Host relayserver sybase com HTTP port 80 e HTTPS port 443 e URL suffix accept the default value e Description your choice Click the Next button to navigate to the next panel in the wizard This screen is a little more complicated and is a two step process Figure 3 shows both of the wizard screens already filled out We re now working in the top half of the second screen Enter the full FarmID that was registered to the specific Relay Server Type combination in step 1 Since I m registering a messaging server I ll select Messaging in the Type field and enter PaulHoran PHoranXPMBS as the farm ID Enter a description if desired Now click the yellow plus sign to register that combination To create a second registration for a Replication or DCN type you would sim ply change the Type field to the desired value change the suffix in the farm ID and click the yellow plus sign again If you make a mistake simply select the r
7. e Faster bulk loading of large data sets through ODBC and JDBC interfaces Availability Sybase IQ 15 4 is generally available and also introduces a free Express Edition enabling IT departments develop ers and application vendors to easily download and start developing with Sybase IQ Visit www sybase com iq PAGE 34 Sybase 365 Partners with the Qtel Group to Provide Mobile Wallet Solution to Millions Across the Region Sybase 365 a subsidiary of Sybase Inc has announced its strategic alliance with the Qtel Group a provider of telecommunications services Sybase 365 will provide its mobile wallet mWallet software with comprehensive solutions support delivering one of the most advanced mobile commerce services in the world The newly launched Qtel Mobile Money service a safe fast and easy to use mobile wallet offering will allow Qtel Group customers to use their mobile phone accounts to save and transfer money top up their credit and make payments at home and abroad via their mobile devices The Qtel Group s operations cover mar kets with a high number of residents and foreign workers who regularly transfer a proportion of their salaries overseas to their home countries A large proportion of these workers do not have access to traditional banking facilities and are under banked relying on the services of money transfer kiosks to transport money home Qtel Mobile Money service enabled by Sybase 365 mo b
8. eTutorial series that Sybase just made available for PowerBuilder 12 5 http www sybase com powerbuilder125eTutorial The training was put together by Yakov Werde Yakov for those who may not have heard of him is the manag ing partner of eLearnIT LLC www elearnitonline com Prior to that he spent more than 10 years as a trainer for Sybase teaching classes on PowerBuilder Java and NET And before that he was a software developer like you and me using PowerBuilder So he knows of what he speaks Yakov is also a regular author for PowerBuilder Developer s Journal and the ISUG Technical Journal a member of TeamSybase and a PowerBuilder MVP As the term eTutorial implies this is an online series All you need to use to take the training is a browser an Internet connection and monitor and S truggling to get familiar with the new Power PAGE 12 some speakers However you ll want to have a copy of PowerBuilder NET included as part of PowerBuilder 12 5 available at some point to practice what you learn If you don t already have a copy of PowerBuilder 12 5 you can download a 45 day evaluation version at http www sybasepowerbuilder com Accessing Cloud Services Using RES ITul Interfaces PA 12 5 NET Hoi Step Workshop PBDJ JANUARY 2012 POWERBUILDER SYS CON COM Alternatively a non expiring personal use ver sion of PowerBuilder 12 5 is one of the benefits of a Green or Gold membership in ISUG so you may
9. exist for viewing WWW thumbnails there can be the need to view images as thumbnails within the context of other data within a multi row list treeview or report This can be easily done with a Power Builder DataWindow object In this case a treeview DataWindow see Figure 1 was needed to display multiple images as thumbnails that related to the data presented in each row Required functionalities include making the images selectable displaying data for each thumbnail such as the name of the file and to keep the appearance orderly by having the im ages appear the same height in a row I will present the techniques used to create thumb nail images in DataWindows The methods presented assume that the images are stored as files in some folder that s accessible by the application It s also assumed that the image types are any of the standard image types that are recognized by PowerBuilder bmp gif pg wmf and png The image files are not converted in any way but are displayed in a thumbnail size Overview The techniques for displaying thumbnails in a DataWindow are based on my previous work on DataWindows Utilizing the Power ofthe DataWin dow Object ISUG Technical Journal Q1 2006 This technique basically uses a metadata technique of stor ing multiple properties in a single string in this case storing the image display properties in different fixed length sections of a string These property strings are sto
10. main client server developer at Patrix AB in Gothenberg Sweden He has made numerous Techwave presentations covering advanced datawindow techniques Buck and his wife reside in San Diego California bwoolley dw extreme com PAGE 25 PAGE 26 NETWORKS AA E A de Big Data in Telecom The Need for Analytics Translating raw data into actionable intelligence delivers value for the enterprise and the customer BY BOB HOCKMAN etworks have become a strategic asset the life blood of organizations Once considered a techy thing networks are now mission critical for every member of the organization from the IT manager to the marketing VP to the CEO An increasing number of companies now recognize the impact network quality has on the customer experi ence and in turn on the bottom line Providing a great customer experience every time is vital for limiting churn and building loyalty This has led many organizations to adopt a strong quality assurance program to test and monitor all contact center services This is particularly important in environments that must support multi channel and multi service applications The complex configura tions needed to enable voice video and data to share network resources puts a tremendous strain on band width and creates problems that can be very difficult to isolate And the proliferation of mobile devices has added an entirely new set of issues and customer behaviors N
11. of hosted services over a Shared WAN such as the Internet Regardless of the type of service deployed all cloud computing initiatives have one thing in common data is centralized while us ers are distributed Understandably this places increased pressure on the network making cloud computing sus ceptible to the same WAN bandwidth latency and quality challenges that impact other enterprise applications To accommodate the increasing volumes of data orga nizations can deploy large WAN links between data cen REPRINTS contact CORINNA MELCON tel 201 802 3026 corinna sys con com PAGE 30 PBDJ JANUARY 2012 POWERBUILDER SYS CON COM POWERBUILDER SYS CON COM PBDJ JANUARY 2012 POWERBUILDER WAN OPTIMIZATION YY NEWS ters which are able to handle hundreds of megabytes or terabytes of data However given the price of WAN bandwidth this can become an extremely expensive component which rarely solves the true underlying performance problems Maximizing Performance Minimizing Costs A real time solution that has the scalability to han dle increasing volumes of data traffic such as WAN optimization is critical to cloud computing services It is the only way to overcome bandwidth latency and WAN quality issues that plague the cloud and business applications in general Reducing the amount of data sent across the WAN prioritizing key traffic and elimi nating packet retransmissions wit
12. own try catch blocks they only transfer exceptions outward Even more the root function also can exist without the try catch block passing the exception out A good example of this is a controller NVO in which a root public function which will be called from another script s of your application calls subsidiary private functions of the NVO In this situation the exceptions having come to the root function from the dark ocean depths of the calls hierarchy is thrown out by the root function of the NVO instead of returning 1 That will PBDJ JANUARY 2012 POWERBUILDER SYS CON COM Ho OF OOF KF OOO Oe ee lett AAA Ol oo Oe ee OO ore Hoe eS 000050 add elegancy to the script that consumes your service for example it can be a button s Clicked event that is really the first station So calling the NVO s public function from it must be surrounded with try catch Of course the not root functions are not prohib ited from having their own try catch blocks too but it s a pretty rare practice that happens if they need to process an exception in their special way and then re throw it To Be or Not to Be Calling a function that throws an exception requires special processing in the calling script Fortunately the rule is simple if script A calls script B and script B throws an exception then script A has two and only two choices e To process i e to catch the exception For that scrip
13. phorar About the Author Paul Horan is a Principal Systems Consultant at Sybase He has a wide range of experience with Sybase products including Pow erBuilder PowerDesigner Sybase Unwired Platform SQLAny where MobiLink Afaria and Mobile Office He works out of Sybase s Bethesda MD office and was inducted into the ranks of TeamSybase in 2000 A 1984 graduate of Indiana University Paul currently resides in Arlington VA PBDJ JANUARY 2012 POWERBUILDER SYS CON COM E ETA HET rBuilder Journ Is Just a Click Away Subscribe Today www PowerBuilder SYS CON com PowerBuilder Developer s Journal PBDJ is the only monthly source of quality PowerBulider information since 1994 SPECIAL SHOW OFFER SAVE 35 lo 1 Year Print Digital Edition Subscription for 12 issues FREE ONLY 64 35 reo 99 6 Month 2 Year Print Digital Edition Subscription for 24 issues Digital ONLY 83 85 Reg 129 Edition 1 Year amp Digital Edition PDF Subscription for 12 issues Trial ONLY 44 85 Reg 69 me AMEDLA The World Leading i Techinoloeev Publisher wwewSYS5 CON COM Twenty years ago PowerBuilder revolutionized the application development world with its speed simplicity and power Anyone who has used its legendary DataWindow will tell you it is still the fastest and easiest component for data access around And over the years PowerBuilder has evolved to stay in synch with the latest functionality and
14. s common to see networks with an average packet loss of 0 5 percent reach peaks of five percent no matter how much bandwidth is available These issues can lead to excessive re transmissions which limits the effective throughput of data transfers across the WAN Continuing under the illusion that throwing additional bandwidth at the problem only complicates matters Instead enterprises must grasp the importance of tack ling the underlying network infrastructure challenges that hamper key business applications VDI Victory Network stability and geographical distances also play a large role in the success of VDIs As users move farther away from the data center and as VDI deployments grow in size it becomes more difficult to deliver a consistent application experience For one remote users are often connected via different types of WANs with varying levels of bandwidth latency and quality Second data cen ters are required to support thousands of simultaneous desktop connections which presents a unique scalability challenge Moreover different VDI applications use dif ferent communication protocols creating an even greater need to stabilize the underlying network infrastructure to ensure maximum VDI performance in all deployment scenarios Every Cloud Has a Silver Lining Cloud computing is a broad term that is used liberally to mean different things to different organizations At the highest level it involves the delivery
15. the functions call stack this feature is enabled only ifthe application is running from the PowerBuilder IDE and doesn t work in a standalone executable Another Way Custom Exception Type for Each Problem The method described above utilizes only excep tions of data type n_ex The method is based on PAGE 8 PBDJ JANUARY 2012 POWERBUILDERSYS CON COM Step Into The Online Classroom For PowerBuilder Increase your value with web based training courses for Sybase professionals everywhere Presented by one of the most well known PowerBuilder educators in the world Mr Yakov Werde eLearnlT s PowerBuilder Core Skills training course enables software developers at all levels to rapidly develop a comprehensive PowerBuilder skill set Each module is presented in an intuitive format that is sure to make the learning experience fun compelling and rewarding Working closely with ISUG eLearnIT has produced a clearly presented product that is tuned to PowerBuilder s most recent releases This course is focused on PowerBuilder deloyments in real world scenarios It will give you the skills to build your own PowerBuilder workgroup scale application from scratch or perform maintenance tasks on an enterprise scale application In short it will increase your value in the workplace so visit the URL below today Modules covered e IDE Skills and Concepts e PowerScript Fundamentals e GUI Basics e Object O
16. visual user interface advances PowerBuilder 12 5 continues this proud tradition with more features and functionality to support all of your development needs with two Integrated Development Environments IDEs that give you options PowerBuilder 12 5 is the second full fledged NET release bringing true power and ease of use to NET including a new feature that allows you to build Custom Visual User Objects that encapsulate the DataWindow and share them with your NET developer peers a h 7 SY a lt a x i a But it doesn t stop there PowerBuilder 12 5 brings fresh new features for your Win32 applications as well And we also include an incredibly fast and cost effective migration path to evolve your Win32 applications to NET There s no need to toss out your PowerBuilder code to get your application to NET PowerBuilder gets you there while protecting your investment So the choice is yours innovate in Win32 Rock NET and WPF or combine the two Any way you go you will have the power to create the most updated visually appealing business applications on time and under budget 7 ar Download a 45 day evaluation copy of PowerBuilder 12 5 at ASE An SAP company TECHNIQUES PAGE 22 A SS 2 a The PowerBuilder DataWindow as an Image Thumbnail Display Control Using a metadata technique of storing multiple properties in a single string BY BUCK WOOLLEY hile external controls
17. 0 or 443 and the Relay Server brokers the conversation between device and server much like an old time telephone operator at a switch board If the Relay Server is not implemented the only other option to get devices and servers to communicate is to open specific TCP IP ports for the SUP server through the inner and outer firewalls and to configure the devices with the addresses of those SUP servers I ve not yet met a network admin that would readily agree to this The Relay Server is included free of charge with SUP Afaria and SQL Anywhere and runs inside Microsoft IIS or Apache web servers The Hosted Relay Server Sybase has created a hosted implementa tion of the Relay Server which is available for free to registered Sybase SAP customers This is designed to allow for development and test of small mobile deployments it s not to be used for production implementations for obvious reasons The URL for the hosted relay server is http relayserver sybase com The first step is POWERBUILDER SYS CON COM PBDJ JANUARY 2012 to submit a registration request which will be reviewed by Sybase Once approved there are three main steps to connect a remote device to the SUP server farm 1 Register the SUP Farm details At the bottom of the account details page you ll find the individual hyperlinks to create the dif ferent types of server farm registrations We ll be creating an SUP farm The Relay Server commu nic
18. HUGHES 33 PBDJ News PBDJ JANUARY 2012 POWERBUILDER SYS CON COM What I said in the January 2012 article was While HTML5 may be the future the future isn t here yet Nonetheless the lesson we might take away is that HTML5 currently isn t suitable for line of business application development though it may be in a few years Pve highlighted a couple of terms in that quote as well as from the previous quotes because I think they re crucial in understanding what I ve been saying for some time I do not believe that HTML5 is currently a mature technology suitable for the generation of enterprise line of business applica tions It may be in a few years it currently isn t I have to agree with the assessment of Mike James in his Programmer article 6 that HTML5 currently is another one of those false marketing ideas with very little substance and that with reference to Micro soft s shift away from Silverlight to HTML5 that it was perhaps the most reckless abandonment of a technology in the history of technology Don t get the wrong idea from those quotes Mike goes on to explain why the eventual adoption of HTML5 could be a good thing He s just noting that somebody needs to work on the underpinnings that we need to turn it into a usable technology As Mike mentions in his article and Richard Hold sworth goes into some detail about in his own piece in TechCruch Europe 7 when you visit a
19. KKK KK KK KK KK KK KKK KK dido SLINE ls msg string ls ex type nex the default used 1f Error Text contains an error message n_ex In_ex ClassDefinition lcd ls msg Trim Error Text lcd FindClassDefinition 1s_msg if not IsNull lcd Error Text contains the name of a valid PB type then do until lcd Name powerobject lcd lcd Ancestor if lcd Name lt gt n ex the PB type contained in Er ror Text is NOT a descendant of n ex then continue ls ex type ls msg ls msg Exception will not be used but anyway exit ls msg thrown usually loop end if In_ex create using ls ex type In_ex uf_populate Error Number ls msg Error Object Error 0b jectEvent Error Line throw 1n_ex That s it congratulations you now have a smart exception class M About the Author Michael Zuskin is a certified software professional with sophisticated programming skills and experience in Enterprise Software Development ursego gmail com PAGE 11 POWERBUILDER REVIEW AN aff A o Ds is al loa 4 LK ih 4 ah Perhaps You Can Teach an Old Dog a New Trick Or Two If you ve ever had training from Yakov you ll know he provides a great depth of technical information BY BRUCE ARMSTRONG Builder NET IDE and the technology it allows you to use e g WPF REST WCF and the rest of the alphabet soup Then you should run not walk over to the free
20. N performance a fundamental aspect of any successful cloud initiative By taking a network centric approach organizations achieve maximum scalability and the flexibility needed to support all current and emerging applications on the network and in so doing clear the vulnerability gap that seriously compromises business continuity plans M About the Author Dr David Hughes holds more than 25 patents for networking related inventions In 2004 he founded Silver Peak Systems a leader in the Wide Area Network WAN Optimization field that improves backup replication and recovery between data centers and facilitates branch office server and storage centralization by improving application per formance across WANs As Chief Technology Officer for Silver Peak Systems he is responsible for the company s technical direction and product vision He previously held senior architect positions with Cisco Systems Stratacom Blueleaf and Nortel Dr Hughes has a PhD in packet network optimization PBDJ JANUARY 2012 POWERBUILDER SYS CON COM ALL THINGS OF INTEREST TO THE PB Traders to Leverage High Volumes of Data from Multiple Sources in Real Time with Sybase Event Stream Processor Sybase Inc and Headstrong a global IT consulting firm have announced that Sybase Event Stream Processor ESP the latest release of the Sybase Aleri complex event processing platform will be fully integrated with Headstrong s Teevra real time trad
21. OM PBDJ JANUARY 2012 Figure 4 Demonstrating selectability by double clicking on a thumbnail to open the full size image in an image viewer 11 seg LONG RIGHT ls object_name LEN ls object_name 1 END IF get the string containing the file names of all images on the row ls filepath this object filepath row extract the file name of the object that was selected ls file MID ls filepath 11_seq 100 99 100 call the imageview with the file name command rund1132 exe shimgvw dll ImageView Fullscreen ls file Run command The same function can also be called from the clicked event and the rbuttondown event to control a drop downmenu display Conclusion Using some advanced functionality the DataWindow control can be used as an image thumbnail display tool The techniques described can also be embedded in reports to display images in a report The examples and code presented in this article were created using PB 12 5 classic however the same techniques have worked since at least PB version 6 5 Applications using the same techniques have also been successfully deployed to Appeon as well as created in Visual Basic using DataWindow NET It s assumed that these techniques can be deployed in PB NET as well M About the Author Buck Woolley has been involved in programming and software develop ment since 1987 and has been a Powerbuilder consultant since 1994 starting with version 3 0 Currently he is the
22. RY 2012 y 0 tlong mid y STRING LL_x6 6 height 200 width 0 tlon g mid w STRING 11_x6 6 format GENERAL html valueisht ml 0 name p STRING LL_row visible 0 tlong mid vis STRING WDD ey A compute object is used to take advantage of the bitmapO function that converts a string into an image The name of the object contains the sequence of the properties for that object for instance p1 p2 p3 The sequence number will be stripped from the name and used to point to the location in the string that contains the properties for that particular object Please note the items in bold These are the properties that are held in the string columns that were defined in the DataWin dow There are four variables that control where in the string the property should appear They are incremented by the same amount for each pass in the loop 1x1 1Lx1 1 11 x6 1Lx6 6 11 x50 11_x50 50 11 x100 11 x100 100 The result is 40 identical compute objects that refer to different sections of the property columns This section Train bea Teri Lave 2 i Tin 1 E f C beber mile Figure 2 Screenshot showing the formatting of various display property columns in the DataWindow The background color of the data cells correspo
23. a 45 day evaluation copy of PowerBuilder 12 5 S Copyright O 2011 Sybase Inc All rights reserved Unpublished rights reserved under U S copyright laws Sybase and the Sybase logo are trademarks of Sybase Inc or its subsidiaries indicates registration in the United States of America SAP and the SAP logo are the trademarks or registered An IVY com an trademarks of SAP AG in Germany and in several other countries All other trademarks are the property of their respective owners pany
24. a AND So A EL T e m e HK a a O O CoC Ss a0 07 JANUARY 2012 VOLUME 19 ISSUE 1 DD 0D00 D nm T e ee ee ee Po Pe re on E ns m eo A soo oc 0 00 A AA 3 o eee a ee ts oe DEVELOPER S PowerBuilder Journal 6 MICHAEL ZUSKIN with SUP 2 1 Hybrid Web Container Old Dog a New Trick Or Two Using the Sybase Hosted Relay Server Maybe Haven t Made Myself Clear Perhaps You Can Teach an D D e DOCODOr oOaAaArrmDrma 32 BaHtos SC Ho 0 aan m It s a matter of code elegancy Roast Domo a ra TO OD Oa oo Ar 50 O O m O O OOOO aaa Visit us at www PowerBuilder SYS CON com Sybase PowerBuilder is and has been the award winning tool of choice for Windows development teams who want results not excuses PowerBuilder 12 5 continues this proud tradition with more features and functionality to support all of your development needs With two Integrated Development Environments IDEs PowerBuilder 12 5 is the second full fledged NET release bringing true power and ease of use to NET Join the revolution Download a 45 day evaluation copy of PowerBuilder 12 5 www sybase com powerbuilder Copyright 2011 Sybase Inc All rights reserved Unpublished rights reserved under U S copyright laws Sybase and the Sybase logo are trademarks of Sybase Inc or its subsidiaries indicates registration in the United States of America SAP an
25. ates with an SUP server farm even if there s only a single server node registered in that farm This makes it easy to add and remove nodes from the farm without having to reconfigure any of the mobile devices out in the field Click Add New Sybase Unwired Platform Farm and this brings up the page shown in Figure 1 I ve placed the Relay Server registration page over the Sybase Control Center page so it s easier to see how to fill out the form Since this example will focus on the Hybrid Web Container we ll create a Message based Synchronization MBS farm I m also registering a Replication based Sync RBS farm even though this example is go ing to focus solely on the MBS capabilities of the Hybrid Web Container car hi EERI FSET l bagai bars Unwired Param Perra daisi u Ee ee _ Thi eS e a Re l E r ee ed eee ep ee ee al UB A ee ieil f E ee rre ar PeF EE rr a e A ori e ee eel i Ij eres bE TEE TE ee ee PLT H AP CE E OL P AE A A E d Liers Ps eee 1 al Ea A OS ak fa dT PA ie tas fare ab ee am ek b o onf E Th Erer ae i ia as Ale pee SS Ge el ee er h n 5 a a a a e pa al a A a a PE l A a a al a Ha is e s dl da m A alas aan de e ra ee ee i ara ar ar a A AA TA AAA E er mr LE e Tsp Ft mrri il ait A p A e ica tin Dii E Sees Sk ee foe ee ee Pe ni ey is Ro ee ve a a e Aa E A A Pe E armii r y q iep eee Te Eker ee pe eee per TE a l L emma tow y E
26. ch to network monitoring im proved the visibility of network performance by placing a host of tools into the network but unfortunately while the system solves some problems it introduces others The biggest challenge faced by IT managers is the inability to ac cess a particular point in a network with multiple tools This limitation creates a network blind spot making trouble shooting transactions inefficient and difficult to solve Blind spots occur frequently with the type of overhead manage ment utilized in legacy monitoring schemes Different sets of tools are scattered across the network in different physi cal locations with each vendor s tools having individual management software inoperable with other vendors This leads to many blind spots as the network engineer has lim ited accessibility to certain points in the network and has to manage an overflow of data Monitoring costs become increasingly expensive as network management becomes more inefficient With the increasing cost and reduced ROI revenues are impacted by the lack of fast and efficient troubleshooting This fragmented approach to monitoring leads to additional performance and complexity problems The Economics of Network Intelligence Optimization From Cost Center to Profit Center The key for network operators telecom enterprise or government is to develop a holistic and forward looking strategy for network monitoring and network manage ment More impor
27. characters wide Figure 2 shows the contents of the different property columns The x width visibility and file name properties for the first three images are highlighted with different colors corresponding to the border color of the actual images You can see the relationship between the image and each ofits properties These columns are defined in the DataWindow during development either in an external or select DataWin dow In this case they are defined in the select statement for the DataWindow SELECT as x asw as filepath as vis as y gt as filename FROM WHERE The lengths of the fields are modified during runtime The vis column which contains the parameter for image visibility is set to FILL 0 40 so that initially no images are visible for any row At Runtime The actual image objects are defined dynamically once at runtime during the startup process Since it s unknown how many images are needed the maximum number is created even if it s highly unlikely that they will all be used A text field is also created to display the name of the file A loop is used to create 40 instances of the compute object that will display the image dw cmd dw cmd create compute band detail alignment 2 ex pression bitmap trim mid filepath STRING 11_x100 100 border 1 color 0 x 0 tlong mid x STRING 11_x6 6 POWERBUILDER SYS CON COM PBDJ JANUA
28. d the SAP logo are the trademarks or registered trademarks of SAP AG in Germany and in several other countries All other trademarks are the property of their respective owners P A z 4 E y 4 4 dl y We e gt wit Beant But it doesn t stop there It brings fresh new features to your Win32 applications We also make it easy to migrate your existing Win32 applications to NET at a fraction of the time cost and complication of re writing So the choice is yours innovate in Win32 rock NET and WPF or combine the two Any way you go you will have the power to create the most updated visually appealing business applications on time and under budget SYBASE An IVY compa ny DEVELOPER S PowerBuilder Journal PRESIDENT amp CEO Fuat Kircaali fuat sys con com EDITORIAL ADVISORY BOARD Bruce Armstrong Loren Corbridge Dave Dichmann Steven Dunn Sue Dunnell Berndt Ham boeck John Olson lan Thain EDITORIAL Editor in Chief Bruce Armstrong brucea sys con com Executive Editor Nancy Valentine nancy sys con com Research Editor Bahadir Karuv PhD bahadir sys con com ADVERTISING Senior VP Sales amp Marketing Carmen Gonzalez carmen sys con com Advertising Sales Director Megan Mussa megan sys con com Sales Manager Corinna Melcon corinna sys con com EVENTS Conference Chair Jeremy Geelan jeremy sys con com Conference Program Manager Krisandra Russo krisandra sys con com
29. dd ae 2 FEATURE Give the farm a unique name As you can see I ve called mine PHoranXP The Relay Server will automatically append a suffix to the farm id based on its type The full name of the farm is composed as Registration Name dot Farm ID suffix Message based farms get the letters MBS added so its official name will be PaulHoran PHoranXPMBS The Replication based Sync farm will be named PaulHoran PHoranXPRBS If I d created a DCN farm it would have been PaulHo ran PHoranXPDCN Bottom line don t forget the registration name or the suffix Last enter the server node name within the farm This is comprised of the SUP server name that appears in the Sybase Control Center plus the string SUPServer1 Mine happens to be named phoran d630 so the server node name is phoran d630SUPServerl Click Create Farm to register the details to the Relay Server and create a long alphanumeric token value for each farm type You ll be asked for this value in step 2 below Ifyou ever forget this value and who could be expected to remember it just click on the Con figuration Instructions link and you ll be taken to a page that lists all the pertinent info for your registration DEE a q A TO Cidra tore o pean J See Figure 2 PAGE 16 The remaining steps are performed in the Syb ase Control Center SCC so open a session to the SUP server now 2 Point SUP to the Hosted Relay Server
30. e Applications panel Fig ure 6 shows the registration for my iPad device Note that the server name is set to relayserver sybase com on port 80 not the default of phoran d630 on port 5001 Set the Application ID to HWC to 1 link the user to the Hybrid Web apps Give the user an appropriate activation code and click OK Configuring the Connection Properties on the Device The SUP Hybrid Web Container for iOS 4 x 5 x can be downloaded directly from the Apple Appstore http itunes apple com us app syl PAGE 18 The first thing you ll do after downloading and installing it is configure the connection proper ties in the Settings app e Server Name relayserver sybase com e Server Port 80 or 443 if you configured the secure HTTP connection Farm ID the entire farm ID including the reg istration name and suffix mine is PaulHoran PHoranXPMBS e User Name Activation Code the username and activation code that were registered above Password provide a 6 digit password or leave this blank to force the user to reenter the HWC password each time the app is reactivated Once these connection properties are set and the Hybrid Web Container is launched a connec tion is made to SUP through the Relay Server to download all the registered Hybrid Web apps that have been assigned to the device user Resource The Relay Server htt N sybase com This article was republished from Paul Horan s blog http blogs sybase com
31. e eS OSes OO It s a matter of code elegancy O pass errors from functions outward throw ex ceptions instead of returning an error code like 1 That s implemented by filling the Throws field in the function s header signature with the class Exception or its descendant When the excep tions mechanism is used calls to functions look very simple uf do something As you see there is no terrible code impurities like if uf_do_something 1 then return 1 or even li_rc uf_do_something if li_rc 1 then return 1 anymore The tradition of returning a success failure code come from ancient times when exception throwing mechanism ss OA 440000000 OS DP A PP O i la ae SA O A SP OO OO A O pu O e e Oe oe O eOe O A O A A O O O A OR A ss E O ee A A ADOOS didn t exist yet in PowerBuilder but there s no need to use horses in the automobile era We still check code returned by built in PB functions as well as in legacy application code but be a modern person and write new code The Art of Exceptions Propagation The rule of using exceptions in multi level multi branch call hierarchies is simple ifyou have a chain of nested function calls uf_1 calls uf_2 uf_2 calls uf_3 uf_3 calls uf_4 etc then the try catch block usually appears only in the outermost function uf_1 the calling hierarchies root decorating the calling to uf_2 functions uf_2 uf_3 and uf_4 usually don t have their
32. e matching and STRIDE retail trading platforms With Sybase ESB Headstrong was able to accelerate the development of customer facing financial applications that leverage high volumes of data from multiple sources in real time This in turn allowed Headstrong to facilitate instantaneous trade verification and validation in one case and market making and hedging in another case As Headstrong began to develop two of its key solutions Teevra a real time trade matching system and STRIDE a trad ing solution for CFD s Contracts for Difference the company researched complex event processing CEP platforms that could serve as the core engine for specific functionality within these two applications Headstrong needed a CEP platform that would support the level of transaction rates throughput and latency that are essential to the performance of STRIDE due to ever increasing volumes across markets Sybase ESP empowers software development firms to deliver real time applications such as continuous risk assessment and low latency algorithmic trading The technology also facilitates the creation and dissemination of highly enriched market data in a fraction of the time that traditional approaches require Syb ase ESP also allows users to obtain intelligence on high speed streaming data with minimum latency Sybase ESP enables Continuous Intelligence letting software developers create solutions that monitor detect analyze and respond to ev
33. e picture height ld ratio 11 height p 1 height set the thumbnail width to the image width the ratio of the heights 11 width p 1 width ld ratio concatonate the calulcated width to the width property string ls width 1s width RIGHT STRING 11_width 6 concatonate the x value to the x property string ls x ls x RIGHT STRING 11_x 6 concatonate the y value to the y property string PBDJ JANUARY 2012 POWERBUILDER SYS CON COM ls y ls y RIGHT STRING L1_y 6 calculate the x value for the next image by adding the width of the current image plus 200 for extra space between images 11 x 11 x 11 w 200 Ifthe images need to appear larger simply change the height constant to a larger number This can actually be set at runtime before the DataWindowis displayed Another issue that needs to be handled is setting the x location of each image Theoretically the x value can be incremented up to over 32 000 but this would generate a very wide DataWindow that would require a lot of horizon tal scrolling To make things more user friendly it would be better to create the images in a format that appears as rows of images These rows are not actual data rows in a DataWindow but the images are displayed to appear in a row format within the DataWindow detail or trailer band see Figure 3 This is achieved by changing the y value after the x value is greater than a certain amount In this case the ma
34. e the port values The RSOE process connects to the SUP server on port 5001 and out to the Relay server on port 80 or 443 Click ing Next gt allows you to provide HTTP creden tials if necessary and specify an HTTP proxy The third and final screen allows for setting specific processing and logging options These can all be modified later if necessary so just accept the defaults and click Finish to complete the process POWERBUILDER SYS CON COM PBDJ JANUARY 2012 Palag aor pm dl aoa i TTY peas ee La TTT perh aag fiw junkie Tersar 4 Cl A O Mecras seas da T Tabs eae LE i i Figure 3 r A m a o ERTHERESE I A A ee tile ae A b uM M EEE 1 A Shs H beet e A E ME Figure 4 The last step is to actually start the RSOE pro cess If registration was successful a row should appear in the RSOE list Select it and click the Start button Wait several seconds then click the Refresh button to see the status of the RSOE pro cess The Status field should show as Running Configuring the SUP Container on Mobile Devices Registering Users in Sybase Control Center The first step in hooking up a device to SUP through the Hosted Relay Server is to register that PAGE 17 FEATURE ESAS rr A mb lor Pebre a a A F Figure 5 Figure 6 username in SCC This is done in the Application Connections tab of th
35. echnical garbage The following solution is absolutely not acceptable Exception 1 ex try R if condition of Problem 1 then l_ex create Exception l_ex SetMessage description of Problem 1 in function uf XXX of class n YYY throw 1_ex end if Ls QUE se if condition of Problem 2 then Lex create Exception L_ex SetMessage description of Problem 2 in function uf XXX of class n_YYY throw 1_ex end if catch Exception e MessageBox Error e GetMessage end try How to Solve the Problems In the suggested solution three of the actions with the exception creation population throwing are put in one function named f_throw so the occupied code shrinks from three lines to one and looks like this f throw PopulateError 0 error message As you can see all the described conditions are satis fied PopulateError called inside the argument paren theses of f_throw grabs the needed details of the thrown exception class script and even code line number and stores them in an Error object The numeric code passed as the first argument to PopulateError must help the Class u spy Script uf show classes hierarchy Line 18 Something terrible happenedt Do you want to open debugger to see Call Stack developer find the problem spot when a few exceptions are thrown from the same script simply pass 0 if you don t need that The function f_throw creates an instance of exc
36. ents as they occur This empowers brokers and their customers to make opportune corrective profitable competitive and value add financial decisions Sybase ESP the latest release of the award winning Sybase Aleri CEP platform consists of a high performance complex event processing engine the ESP Studio and a range of integra tion tools including adapters and APIs Designed as a new mod eling paradigm Sybase ESP combines drag and drop simplicity with a full SQL based programming language for power users As a real time intelligence solution Sybase ESP comprises a dynamic environment facilitating the addition of new continu ous queries at any time Nine Out of 10 Bankers Not Confident Over Stress Testing While Three Out of Four Struggle to Capture Trading Data According to New Sybase Survey Sybase Inc has announced results of a survey showing POWERBUILDER SYS CON COM PBDJ JANUARY 2012 MIMUNITY that more than nine out of 10 capital markets executives lack confidence in bank stress testing while more than 75 percent are struggling to capture trading system data These key findings among others came from a survey conducted in London at the Sybase Financial Services Ex ecutive Summit which drew senior managers and C suite risk management professionals from major capital markets firms When asked about the reliability and frequency of bank system stress testing a combined 94 percent of respondents were either not at a
37. eption populates it with the data stored in Error object and throws The function uf_msg which must be called from within the exception handler knows how to use all that data to build a nice error message We will use the n_ex a descendant of Exception and later I will show how to create that pretty simple class try ONES 2 if condition of Problem 1 then f throw PopulateError 1 de scription of Problem 1 2008 if condition of Problem 2 then f throw PopulateError 2 de scription of Problem 2 catch n_ex e e uf_msg end try Do you see how much shorter that simple example is And if your script throws a lot of exceptions And hundreds if not thousands all over the application In the last example the exception is thrown and caught in the same script It s not a common practice usually exceptions are thrown and caught in different scripts i e propagate through functions calls In that case don t forget to populate the field Throws in the called function s header with n_ex Example of Use Let s say the following code fragment appears in the function wf_show_classes_hierarchy of class w_spy try f throw PopulateError 3 Something terrible happened catch n_ex e e uf_msg end try After it has been run the following message appears see Figure 1 As you can see an additional service is provided you can open the debugger and travel in
38. etwork testing and quality assurance monitoring is important for creating and maintaining a great cus tomer experience However these solutions capture a tremendous amount of information on custom ers networks and operations Managers constantly create reports with a slew of KPIs including average hold time peak chat volumes queue lengths and IVR satisfaction rates to try to make sense of all the data While this provides a certain amount of understand ing of daily operations companies can do better Advanced network analytics that correlate and trend multiple data points and KPIs over multiple dimen sions offer real insight that companies can use to gain greater control over expenses resolve issues more quickly and plan more effectively Using Analytics to Troubleshoot Troubleshooting issues in multi service networks can be extremely difficult Typically technicians will check the health of individual network elements or review a standard set of KPIs when they learn of a problem but it s rare that an issue stems from a single system and most issues tend to be intermit tent Because issues are hard to isolate they can even lead to nasty disputes between co workers An analytics engine with advanced slicing and dicing capabilities will reveal hidden problems For exam ple sporadic voice quality issues could be examined from a variety of angles to determine the root cause If they are coming from callers in specific area c
39. fferentiated analytic capabilities with unmatched performance Using these new APIs developers and data scientists can integrate and execute certified function libraries from Sybase partners and custom developed models analytic algorithms and data mining technologies inside a Sybase IQ database server easily giving 10x performance gains over tradition al approaches Key capabilities include e Native MapReduce API using In Database Analytics and SQL interfaces enabling data scientists to use alternative techniques to analyze massive data sets e Hadoop integration offering different techniques to inte grate Hadoop data and analysis with Sybase IQ e In database Analytics APIs and tools A new Java API and new extensions to the C APIs allowing implementation of high performance proprietary or certified ISV algo rithms in database that run 10x faster In addition the new in database analytics simulation environment eases development and testing e Predictive Model Markup Language PMML support through a certified plug in from Zementis to automate the in database execution of analytic models created in industry standard data mining tools and other popular predictive workbench products e Updated in database statistical and data mining library DBLytix from Fuzzy Logix harnesses the power of Native MapReduce API TPF to deliver high perfor mance analysis e Better compression of text data than commonly found in Big Data scenarios
40. h WAN optimization ADVERTISER PBDJournal Sybase Sybase SYS CON Events Advertiser Index URL PHONE http www isug com pbtraining http pbdj sys con com http www sybase com powerbuilder http www sybase com powerbuilder http events sys con com 201 802 3020 C3 General Conditions The Publisher reserves the right to refuse any advertising not meeting the standards that are set to protect the high editorial quality of PowerBuilder Developer s Journal All advertising is subject to approval by the Publisher The Publisher assumes no liability for any costs or damages incurred if for any reason the Publisher fails to publish an advertisement In no event shall the Publisher be liable for any costs or damages in excess of the cost of the advertisement as a result of a mistake in the advertisement or for any other reason The Advertiser is fully responsible for all financial liability and terms of the contract executed by the agents or agencies who are acting on behalf of the Advertiser Conditions set in this document except the rates are subject to change by the Publisher without notice No conditions other than those set forth in this General Conditions Document shall be binding upon the Publisher Advertisers and their agencies are fully responsible for the content of their advertisements printed in PowerBuilder Developer s Journal Advertisements are to be printed at the discretion of the Publisher This discretion inc
41. ile wallet software will help the Qtel Group support all mobile channels including SMS Unstructured Supple mentary Service Data USSD mobile browser download able client STK and works on any mobile device with any currency Sybase Dispels the Myths of Big Data with Intelligence for Everyone Guide Sybase Inc has unveiled its new guide on Big Data analytics titled Intelligence for Everyone Transforming Business Analytics Across the Enterprise The guide dem onstrates through facts and examples that there are tools and methods to make sense of new and massive data sets service all users at all levels and analyze many different data types to provide actionable answers The Guide presents proof points of how companies have successfully extended analytics deep into their operations across a range of industries It discusses research stud ies into the value of analytics and presents case studies on the significant ROI of analytics within enterprises especially those dealing with growing data sets expanding user populations differing data types rising workloads and increasing ad hoc queries A research study by the University of Texas at Austin re vealed that many leading enterprises are not realizing the true value and opportunities of intelligently mining the gluttony of information or Big Data Conversely a recent Sybase infographic illustrates the significant increases to employee productivity and profitable gains in
42. ive companies FOR LIST RENTAL INFORMATION Kevin Collopy 845 731 2684 kevin collopy edithroman com Frank Cipolla 845 731 3832 frank cipolla epostdirect com REPRINTS For promotional reprints contact reprint coordinator Megan Mussa meganOsys con com SYS CON Publications Inc reserves the right to revise republish and authorize its readers to use the articles submitted for publication Zi SYS CON MEDIA gt gt D am SN DD DI UR a lt ay DO ODA il PA he _ A YD YA TA f gt d Haven t Made Myself Clear BY BRUCE ARMSTRONG ve been discussing HTML5 for some time now In July of 2010 I mentioned that I wasn t particularly concerned about PowerBuilder sup porting HTML5 in the initial PowerBuilder NET release 12 5 because e HTML5 is largely still in its infancy and there appears to be too much opportunity for it to fragment as previous HTML standards have done 1 In December of 2010 I devoted an entire edi torial to HTMLS5 2 noting that e I have some basic concerns that make me reluctant to recommend using HTML5 as the basis for any line of business application development in the near future But also recommending that as far as a future version of PowerBuilder Sybase should e Still focus on Silverlight still work on HTML5 as well and give us the capability of generat ing applications that implement both If the Silve
43. l and do that without having to use plugins HTML5 offers the promise of making that happen However it hasn t delivered on that promise yet When it has Ill endorse it enthusias tically Until then I can only recommend it as some thing to watch and learn for the future but not to use for production applications today M References 1 http pbdj sys con com node 1464997 2 http pbdj sys con com node 1658103 3 http pbdj sys con com node 1884245 4 http pbdj sys con com node 2070202 5 http pbdj sys con com node 2120922 6 http www i programmer info professional programmer i programmer 3539 2011 the year html5 won html 7 http eu techcrunch com 2011 12 30 html5 idiots are confusing meatballs with spaghetti 8 When most people refer to HMTL5 they are most likely referring to the combination of HTML5 JavaScript CSS and other web standards e g WebSocket HTML5 alone would give us very little functionality 9 http www cuttherope ie dev About the Author Bruce Armstrong is a development lead with Integrated Data Services www get integrated com A charter member of TeamSybase he has been using PowerBuilder since version 1 0 B He was a contributing author to SYS CON s PowerBuilder 4 0 Secrets of the Masters and the editor of SAMs PowerBuilder 9 Advanced Client Server Development brucea sys con com PAGE 5 FEATURE Power Building with Exceptions BY MICHAEL ZUSKIN e O O OH A OS ee i
44. ll confident or only somewhat confident that stress testing has addressed all the important risks to the banking system Directly related more than eight out of 10 executives surveyed 84 percent believe stress testing should be upped to at least every six months Currently EU regulators carry out yearly stress tests on the biggest lenders in the region Three out of four respondents 76 percent said they struggle to capture data from trading systems for audit compliance or future analytical purposes At the same time 75 percent believe data latency and regula tory challenges will consume the most significant portion of their firm s resources followed by front middle back office integration 25 percent Merging front and middle office in particular presents numerous challenges yet they are clearly outweighed by the business benefits These lines will only continue to blur said Stuart Grant Financial Services Business Development Manager at Sybase Basel III s impact on profitability will range from moder ate to significant according to nearly all 98 percent of those surveyed indicating another area of concern added to the Eurozone s current anxiety over sovereign debt is sues plaguing Greece and other countries Sybase Does More Big Data Analytics with Native MapReduce and Hadoop Integration Sybase Inc has launched the new version of the Sybase IQ high performance column based analytics database The new fea
45. ludes the positioning of the advertisement except for preferred positions described in the rate table Cancellations and changes to advertisements must be made in writing before the closing date Publisher in this General Conditions Document refers to SYS CON Publications Inc This index is provided as an additional service to our readers The publisher does not assume any liability for errors or omissions PAGE 32 technology has a threefold result network perfor mance and end user experience improve drastically while ongoing telecommunications costs are signifi cantly reduced With some business applications costing close to 10 000 per user to deploy enterprises find themselves spending considerable portions of their IT budgets rolling them out It s common for IT managers to spend a third of their total project investments on upgrades to IT infrastructure in order to support such new applications Comparatively a network invest ment often costs less than one percent of the total cost of deploying a single enterprise application As a result WAN optimization provides a rapid return on investment with the added benefit of increased end user Satisfaction WAN optimization not only addresses the latency packet loss and bandwidth challenges that cause virtual applications and VDI to be unresponsive and or unreliable across the WAN but it also provides real time optimization techniques that maximize WA
46. n HTML5 web site what is really doing the heavy lifting not HTMLS5 it self but JavaScript and CSS 8 How much of the heavy lifting Let s take the recently released HTML5 version of Cut the Rope as an example Of course Cut the Rope started out as an iPhone application and it runs quite well on such mobile devices it was later released for Android and just recently for the Sony Playbook They recently made it available for HTML5 browsers by port ing the OpenGL code over to the HTML5 canvas API and the Objective C code over to JavaScript How much JavaScript 15 000 lines running in the browser 9 And what do I get when I run it in Safari on my iPad This screenshot shown in Figure 1 A little too slow You ve taken an application that used to run fine on the device ported it to HTML5 and now it s essentially unusable there I guess I m not impressed I actually get that same message with most other browsers than IE 9 running on a laptop The primary reason that it even runs well in IE and only IE 9 is because IE 9 pre compiles the JavaScript on a background thread Don t get me wrong I do look forward to the day when we can create and run applications that will run on multiple devices in different browsers and will POWERBUILDER SYS CON COM PBDJ JANUARY 2012 FROM THE EDITOR A Little Tos glitu A ee MA a MG Uima A a A AA PH a o e A A a es sia Play Figure 1 perform adequately on them al
47. nd to the colors of the frames surrounding the thumbnail image PAGE 23 TECHNIQUES of code shows the definition of the second image p2 that was created at runtime from the code above The variables have been replaced with values of the location within the string for each property create compute band detail alignment 2 expression bit map trim mid filepath 101 100 border 1 color 0 x 0 long mid x 7 6 y 0 Long mid y 7 6 height 200 width 0 long mid w 7 6 format GENERAL html valueishtml 0 name p2 visible 0 long mid vis 2 1 For instance for image p2 the property expression bit map trim mid filepath 101 100 indicates that the func tion bitmapO should look at the text that exists starting at position 101 for a length of 100 in the column filepath This will return the fully qualified name for the image file The same process exists for the other display properties When the DataWindow is displayed another datastore retrieves all the images for the DataWindow A loop is set up to build the property strings for each row in the pre sentation DataWindow A filter is used to isolate the image properties for each row in the presentation DataWindow If images exist for a row a loop is run to extract the prop LOT oan PO reas O O FO lO 220 20 dl 93 30 AA 1114411111110000000000 md I testwindow 2 jpg testi jpg test jpg test
48. ng beyond standard contact center metrics provides greater visibility into individual business unit performance Rather than reading a report that outlines average call stats it s far more interesting to understand how long a VIP customer spends talking to a dedicated agent or how often people are requesting certain types of information such as mortgage rates Some questions the contact center can gain insight to through analytics include e Are these individual groups fully satisfied with self service options e How are different customer segments interacting with the company e Do VIPs prefer to make calls where potential cus tomers prefer online chat e Are these preferences changing over time e How are social media and mobile phones impact ing customer behaviors When this type of intelligence is correlated it paints a detailed analysis of network perfor mance enabling managers to pinpoint infrastruc ture investments to strategically enhance those experiences POWERBUILDER SYS CON COM PBDJ JANUARY 2012 It also helps marketing and sales departments re fine their strategies or develop new business models to capitalize on evolving customer needs An Effective Commitment A strong commitment to quality assurance is the only way to ensure a great customer experience and effectively manage technology in today s evolving multi service environments Getting it right with pre deployment testing ensures that solution
49. ng platforms with next generation systems and devices The network may have become flatter but it became more complex at the same time Therefore the journey toward a converged all IP network comes with a whole new set of network performance and management philosophies toward which the IT organizations must adopt and evolve Real time monitoring troubleshooting and provisioning of the network must be implemented strategically and methodically as they are driven by the need to maintain and manage the experience of the subscriber In particular real time monitoring of network traffic is proven to be essential in diagnosing and analyz ing the performance of the network and the services and consequently the quality of experience QoE of the subscriber Legacy Monitoring Schemes You Can t Be Real Time with Legacy Management Tools Fragmented monitoring approaches exacerbate perfor mance and complexity problems With the constant push for more efficient connectivity traditional network moni toring approaches have become inadequate for managing network components on enterprise and service provider o f Ot t Here HO HOy i foro HOko y Figure 1 PBDJ JANUARY 2012 POWERBUILDER SYS CON COM infrastructures Several major problems have emerged with the growing complexity of data on the network and the ac cumulation of outdated network monitoring components The traditional approa
50. odes it could indicate a problem with a specific carrier If they occur after being transferred from a specific voice portal it could indicate an incorrect setting on a specific server Proactively performing this type of network analysis enables companies to predict problems and correct them before they affect customers When actual failures do occur multi dimensional network analytics coupled with the ability to drill into micro events significantly reduces time to repair This can also reduce churn and support costs To sum it up the ROI for this type of solution is easily calculated and quickly realized PBDJ JANUARY 2012 POWERBUILDER SYS CON COM Controlling Costs Expense control is on everyone s agenda these days and understanding end to end network traffic patterns can help For example when companies originally transitioned to IP communications they realized a significant reduction in their phone bills However as solutions evolve due to enhancement acquisition global expansion or the incorpora tion of virtual agents those routing schemes have become more complex Many times during this process calls are directed off the network and back again Standard monitoring solutions will show each of these calls as complete giving no indica tion that a problem occurred or that unnecessary toll charges were incurred Only a complex analysis of traffic patterns will reveal opportunities to easily cut costs Goi
51. om A charter member of TeamSybase he has been using PowerBuilder since version 1 0 B He was a contributing author to SYS CON s PowerBuilder 4 0 Secrets of the Masters and the editor of SAMs PowerBuilder 9 Advanced Client Server Development brucea sys con com PAGE 13 POWERBUILDER FEATURE Using the Sybase Hosted Relay Server with SUP 2 1 Hybrid Web Container The iAnywhere Relay Server BY PAUL HORAN PBDJ JANUARY 2012 POWERBUILDERSYS CON COM his article will cover the steps necessary to use the Sybase Hosted Relay Server with your local install of SUP 2 1 The Anywhere Relay Server The Anywhere Relay Server is an optional but critical IMO component of the Sybase SAP mobile infrastructure It s essentially a reverse proxy server that gets installed into a corporate DMZ and implements an inbound port model to help insulate the server s inside the firewall from malicious internet traffic It can be used with any of our mobile solutions including SUB Afaria SQL Anywhere and MobiLink Mobile devices don t need to be configured with the addresses IPs ports of the SUP server or farm they only need the address and port of the Relay Server The SUP server s makes an outbound connection to the Relay Server using regular HTTP S traffic meaning there are no open ports through the in ner corporate firewall Devices make an inbound connection to the Relay Server again HTTP S on ports 8
52. om PB IDE not as exe then ls msg r n r n r nDo you want to open debugger to see Call Stack li user_answer MessageBox ls header ls msg Information YesNo 2 if li_user_answer 1 Yes then DebugBreak end if else MessageBox ls header ls msg end if 5 Create a global function f_ throw if you don t like global functions then you can create it as a public function of an object uf_throw with the following code JOEREK ERRER ERE LESTE LES CES ESE SELES TEREST KE RERE RE RER E E ee eee NE eee Ee KKK KKK KKK KKK KKK Dscr Creates an Exception object of type n_ex or its descen dant populates the exception related data and throws Is called this way f_throw PopulateError 0 string IF string is the name of a descendant of n_ex THEN the thrown exception is of that class no error message is generated the caught exceptions are distinguished by data type in the PL SQL style ELSE the thrown exception is of the class n ex the string 1s interpreted as an error message POWERBUILDER SYS CON COM PBDJ JANUARY 2012 which can be displayed with uf_msg of the caught exception END IF Arg ai populate error _rc_dummy placeholder for PopulateError s return code the only purpose of this argument is to enable writing PopulateError inside the argument parentheses of f throw Thr n_ex HK KKK KKK KK ETE KKK E TELE TELE TELE LEE LE LE LE LEE LEE
53. ow and click the red X to delete it and start over PBDJ JANUARY 2012 POWERBUILDER SYS CON COM Now we move to the bottom half of the screen where youre registering the server node within the farm ID and type Select the appropriate row in the top list I only have one but you might have an MBS and an RBS row registered Since this is a Master Detail screen it s important to keep the relationships straight Enter the Server Node ID and the corresponding Token value for that node in the corresponding fields then click the BOTTOM yellow plus sign If it s grayed out or disabled make sure you have the correct row Selected in the top half of the screen I ve entered phoran d630SUPServerl and pasted in the correct token value from the Hosted Relay Server configuration page When everything is done correctly your screen should look somewhat like the right side of Figure 3 above Click Finish to record the registration and close the wizard 3 Create the RSOE details Figure 4 below shows how to find the panel for recording the properties of the Relay Server Outbound Enabler RSOE process Begin by clicking the yellow plus sign This opens a three panel wizard dialog for entering the properties as shown in Figure 5 The good news is this one is much easier to navigate Se lect Messaging in the Farm Type field and all the other properties will be automatically filled in The only modifiable options on the first screen ar
54. red in DataWindow columns so that each row can contain its own set of images along with all the proper ties to properly display each image The columns are used to store the values for each image property such PBDJ JANUARY 2012 POWERBUILDER SYS CON COM as x and y location width height visibility and image file name These properties are used in a DataWindow by addressing the corresponding section of the string for each graphic object and converting it into a string using the MID string start length function or number if necessary using the LONG MID string start length function Getting Started The base DataWindow should contain string columns to hold the properties for each image The strings should be long enough to contain all the data required for the maximum number of images for each DataWindow row In this case 40 is the maximum number of images that would be displayed per row so each column had to be defined as 40 times the length of the property for each image Numeric properties such as x y width can each have a maximum length of 5 so they must be defined in strings that are 200 characters long Visibility only re quires 1 character either 0 or 1 so it can be defined in a string of length 40 The fully qualified names ofimage files can vary greatly so the maximum length should be considered when creating the DataWindow In this case the maximum length is 100 characters which requires a column that is 4000
55. riented Programming e DB Connectivity and Embedded SQL e DataWindow Technology e Deploying An Application Essential PowerBuilder Series gt gt 1 www isug com pbtraining LearmiT Helping People Know and Do FEATURE PAGE 10 displaying the error message generated in the same code fragment that has thrown the exception But if you prefer to create exceptions of different types for different problem situations in the PL SQL style then our User Manual slightly changes 1 You have to create the desired set of exceptions inherited from n_ex one for each problem to be processed Of course their names must reflect their purpose 2 When you call f throw for those problems the string passed as the second parameter to Popula teError must contain the name of an exception class to be thrown instead of the error message used in the previous method 3 A variable used to catch the exception must be of the same data type otherwise the exception will propagate ahead 4 If the exception s processing includes displaying a message that message should be generated in the code fragment that processes the caught exception Both the methods by error message and by exception type can coexist in the same application You can create custom exception types for certain problems and still use the first simple method for the rest of the exceptions Here s an example of using both method
56. rlight player is available use that and if not then downgrade to HTML5 That will ensure that we have the capability to deploy apps until such time as HTML5 is mature and capable of being handled by a majority of machines but also allows the app to work on non Silverlight enabled devices provided there is a HTML5 browser available to it e y P YN T y LJ j Y SE ets I e Y y m iy p ki D d Na j b e gt AAA Ea fl d y WES e A q d FROM THE EDITOR In July of 2011 3 I again looked at HTML5 and concluded e T expect to see a significant increase in the market penetration of tablet devices in the near future and that the majority of application development done for those devices will be the development of native apps not web e d HTML5 apps HTML5 also got a passing reference in my editorial for November of 2011 4 in which I noted e T still believe it s an immature technology But also that since Windows 8 is supposed to support the use of HTML5 to generate desktop ap plications that e Its beginning to look like HTML5 may be come not only the best long term bet for web deployment but for desk top deployment as well Why do I bring all this up Because in Janu ary of 2012 I penned yet another article where I mentioned HTML5 5 and some people seem to think that last article represented some sort of conver
57. rs TEMs Service Providers focusing in the Test and Measurement industry Andy has experience in overseeing various international projects in the Telecom Security and Next Genera tion space with leading companies PAGE 29 AN OPTIMIZATION Virtually Clearing Cloud Initiatives Through WAN Optimization Maximizing performance minimizing costs BY DR DAVID HUGHES networks today It builds quickly and overtakes unsuspecting companies as the popularity of virtual initiatives causes data volumes on their networks to swell to proportions too large to access efficiently over existing bandwidth The challenge then becomes one of optimizing underlying network infrastructure in order to support the increased flow of traffic caused by the data surge Application virtualization cloud computing and Virtual Desktop Infrastructures VDIs deliver enormous management and costs savings but these benefits are offset when application performance hampers end user productivity This often happens when virtual applications and desktops are delivered across a Wide Area Network WAN Optimizing the WAN and improving network stability is therefore paramount to ensuring companies meet their busi ness objectives and take full advantage of the tech IE is a storm rising in the midst of enterprise nology in which they have invested large amounts of money Network Performance Virtual applications are extremely interactive req
58. s Let s say you have created an exception class named n_ex_credit_prohibited don t forget that it must be inherited from n_ex not from Exception try The first method if IsNull as_cust_id or as emp_id then f_ throw PopulateError 1 No cust_id passed The second method if not uf credit_allowed as cust 1d then f_ throw PopulateError 2 n ex credit prohibited catch n_ ex credit prohibited el process the situation when the customer is not eligible to be credited catch n_ex e others e others uf_msg end try Pay attention that the function uf_msg is not used in the second method the kind of the error is defined by the exception s type But if you will call it anyway in that situation it will display something like Exception n_ex_credit_prohibited thrown How to Create the Related Objects You have to perform five simple steps 1 Create a class inherited from the PB built in Excep tion type and save it under the name n_ex 2 Declare in n_ex the following instance variables protected int 11 err_num int 11_line string is class String is script 3 Add to n_ex a public function uf_populate with the following code the arguments are listed in the header comment EPIA AE EIN AA EINER RENO RINES KKK KKK KKK KKK KKK Dscr Sets data related to the class and the script the excep tion is thrown from Called from f_throw Are int ai_err_num string as_err_msg
59. s will work as designed when released to customers Keep ing them right with ongoing monitoring ensures quality and availability Now network analytics provides an opportunity to do what s right with actionable information for smarter decision making throughout the company To be effective companies need a solution de signed to handle big data No one wants to hire a team of database analysts and wait three days for an answer Companies need a network analytics solution that quickly manipulates information and presents it in a meaningful way for specific job func tions Being able to see trends and drill into micro events give troubleshooting technicians an edge Holistic end to end insight into network perfor mance enables more effective planning optimiza tion of technology investments and greater control over costs Executive dashboards and trend reports provide management teams with the intelligence they require to exploit customer needs and find new profit opportunities With analytics doing what s right from the control room to the board room will give companies a long term advantage in any market M About the Author Bob Hockman is vice president of product management at Empirix a provider of service quality assurance solutions for end to end compre hensive customer experience management of mobile broadband and IP based communications systems PAGE 27 MONITORING PAGE 28 Aftording the Upgrade
60. sales that can be achieved with only a 10 percent improvement to data usability and accessibility M PBDJ JANUARY 2012 POWERBUILDER SYS CON COM da WE Ty UN Tu pea is A VIRTUALIZATION CONFERENCE amp EXPO aN a RAL qe H de EVANS 50 Y S q pe j Pj ai ARN k E i i E a r e E i S Dae i Pee Tw h o a k E Be PE ia a f a A June 11 14 2012 Javits Center New York City November 5 8 2012 Santa Clara Convention Center Santa Clara CA i Sybase PowerBuilder is and has been the award winning tool of choice for Windows development teams who want results not excuses PowerBuilder 12 5 continues this proud tradition with more features and functionality to support all of your development needs With two Integrated Development Environments IDEs PowerBuilder 12 5 is the second full fledged NET release bringing true power and ease of use to NET But it doesn t stop there It brings fresh new features to your Win32 applications We also make it easy to migrate your existing Win32 applications to NET at a fraction of the time cost and complication of re writing So the choice is yours innovate in Win32 rock NET and WPF or combine the two Any way you go you will have the power to create the most updated visually appealing business applications on time and under budget Join the revolution Download
61. sion experience and that I was now a HTMLS5 fan boy So just to make sure everything is clear I d like to review what I said there compare that to what I said in these earlier articles and then elaborate a bit further to make sure there s no confusion INSIDE o gt _ e a a ar a a dl i i sl pa a O eH DO Hd O Re ee Oe KE O DO O MA O 2 ss a O A O O A O O j 0 0 l 0 0 i 0 1 1 0 0 a O OD OOOO OOOO o O m E _E E _ E E KF OF KF CO O ss O 2 A O O O OF OOO OO KY OF Sl OF kK OF He Jee E fee he hese k fee n dul du aaa eS OFM OFM A SY O OOOO OA swe e A OOO A O A A A OF O 0000 amp H PAGE 4 POWERBUILDER DOWNLOAD PRINT VERSION Perhaps Haven t Made Myself Clear BRUCE ARMSTRONG FEATURE Power Building with Exceptions MICHAEL ZUSKIN NO REVIEW Perhaps You Can Teach an Old Dog a New Trick Or Two BRUCE ARMSTRONG ES Using the Sybase Hosted Relay Server with SUP 2 1 Hybrid Web Container PAUL HORAN The PowerBuilder DataWindow as an Image Thumbnail Display Control BUCK WOOLLEY NETWORKS Big Data in Telecom The Need for Analytics BOB HOCKMAN MONITORING 28 Affording the Upgrade The New World of Network Intelligence TERENCE MARTIN BRESLIN AND ANDY HUCKRIDGE WAN OPTIMIZATION 30 Virtually Clearing Cloud Initiatives Through WAN Optimization DR DAVID
62. t A must surround the call to script B with a try catch block e Not to process the exception i e to pass it outwards by filling the field Throws in the header of script A In that case an outer script calling script A will bother deciding what to do with the exception POWERBUILDER SYS CON COM PBDJ JANUARY 2012 ae E a a ee at a A z You don t have to learn this rule the compiler forces you to perform at least one of the described actions so you have no chance to unintentionally interrupt current in nested multi level call chains by forgetting to add throwing an exception to the function s signature What Is Wrong with the Built In PB Exceptions It s not a big deal to throw an exception in Power Builder 8 or later but IMHO three very important conditions must be taken into account 1 The error message describing the problem should display the class and the script where the problem oc curred That info must not be typed by the developer each time manually it should be populated automatically The code throwing the exception must be compact in fact it s a piece of technical code embedded into business code so it shouldn t be longer than one line Imagine if your script throws a number of exceptions and each time an exception object has to be created N W PAGE 7 FEATURE Figure 1 populated and thrown You ll hardly see the business logic behind all that t
63. t you hoped would be doing your sessions when you were taking classroom sessions and I m very glad he s still actively involved in providing PowerBuilder training Did I mention it was extensive My summary of the duration in minutes of the various sections as follows o IDE and Methodology 115 o Cloud Services and REST 60 o WPF e Overview 15 e XAML Syntax 30 e Layout Managers 54 e Controls 20 e Data Binding 30 e Resources 30 That s roughly 6 hours of training minus the lab exercises That might sound like something you could sit through in one day but I don t think you could really do it without your brain exploding I POWERBUILDER SYS CON COM PBDJ JANUARY 2012 found I was only able to give it about a half hour to an hour a day just because of my hectic schedule Of course the great thing about an eTutorial is that you can do that Just give it whatever time you have and as often as you can The instructor is always there ready to pick up where you left off If this was a classroom led instruction I d estimate that there s at least a week s worth of material here assuming a couple of hours training in the morning and lab exercises in the afternoon If you ve ever had training from Yakov you ll know he provides a great depth of technical infor mation not just regurgitating the user manual at you I think I was particularly impressed that he included a demonstration of how to use the Fiddler prox
64. tant they must consider carefully the price performance diversity agility and intelligent capa bilities of a traffic capture solution Depending on future requirements there are a number of macro trends that network operators should be mindful of when planning their network monitoring needs including Flattening the Network technology development and economics The continued explosion of IP will simply accelerate the pace at which legacy systems are displaced by an all IP net work The flattening effect will create more distributed IP components in the network and effectively create more potential points of failure There will be a broader range of IP services to roll out than anyone can imagine as a result multiplying the complexity of the network This creates op portunities for more points of monitoring The monitoring infrastructure should also be flat and flexible across any and all parts of the network The Network Intelligence Optimization framework is laying the groundwork for a smart network monitoring infrastructure In order to sustain the increase in speed the traffic capture layer must continue to be performed in hard ware where deeper awareness of packets and applications as well as more dynamic handling of them are necessary Network managers must do more with less tighter bud get control while improving service delivery Traditionally POWERBUILDER SYS CON COM PBDJ JANUARY 2012
65. tures of Sybase IQ 15 4 provide advanced techniques to address the new generation of Big Data and unlock critical business insights Today s growing demand for analytics to spot trends correlate cause and effect identify patterns or ask what if questions necessitates new analytics techniques such as the use of advanced tools and the execution of analytical algorithms close to the data stored in the database The new release of Sybase IQ expands support for in database analytics including a native MapReduce API Predictive Model Markup Language PMML sup PAGE 33 port integration with Hadoop and an expanded library of statistical and data mining algorithms that leverage the power of Sybase IQ PlexQ massively parallel processing MPP technology New APIs enable developers to quickly and safely implement in database algorithms achieving greater than 10x performance acceleration over existing approaches The ability to execute models in the industry standard Predictive Model Markup Language PMML format in database within Sybase IQ allows data scientists to build predictive models in industry standard analytics tools and then automate their execution in Sybase IQ The PMML capability combined with existing capabilities for text and multimedia analytics provides enterprises with a breadth of available techniques for analyzing Big Data Sybase IQ 15 4 delivers APIs to execute proprietary algorithms in database providing di
66. uir ing screen updates and mouse movements to be sent over the WAN using thin client protocols While these work fine in a Local Area Network LAN there are unique challenges when communicating across a WAN that can have an adverse effect on the performance of these protocols resulting in slow screen refresh rates and occasional session disconnects Latency is common when communication takes place over long geographical distances bandwidth is often limited and costly to provide and in many environments like MPLS and cloud packets are often lost or delivered out of order due to network congestion When any or all of these issues arise business continuity initiatives are costly and at risk of failure The same can be said for end user applications Voice video file email and VDIs are all sensitive to bandwidth distance and network quality which often lead to poor application performance in remote locations To accom modate growing data volumes and an ever increasing need for real time WAN performance the average large company upgrades WAN bandwidth approximately every two years Upgrading bandwidth however is both time consuming and costly and does not always address ap plication delivery woes brought on by latency packet loss and other common issues For instance in MPLS IP VPN and cloud environ ments packet delivery issues can increase as throughput increases which places even more demand on network resources It
67. want to consider that as well or instead of the evaluation version http my isug com p bl et blogaid 317 amp source 1 Did I mention the training is FREE It is There is an in app style additional purchase option for the lab exercises at a very reasonable price I d highly recommend that There s only so much you can learn from listening to someone lecture no matter how good they are You learn significantly more if you go hands on and put into practice what you re learning I think the lab exercises are a must if you really want to follow Yakov through the practical application of the material he s covering I must also warn you though the material is extensive While that s a good thing there is one downside In some of the previous training courses that Yakov has put together one very nice feature is that you could stop the training at some point and then pick up where you left off some time later even on a different machine Given that you don t log in to this training I suppose it would be difficult for it to remember who you are to support that There is a bookmarking feature so that you could capture a link to the location you re stopping at But that s a much more manual process you have to remember to do it and I found that while it works in Internet Explorer I couldn t get it to work with Firefox or Chrome Aside from that minor annoyance the material is great Yakov was always one of the instructors tha
68. ximum x value is set to 3000 This can be adjusted at runtime based on the width of the DataWindow When the x value is greater than the max value the x value is reset to the starting value of 535 and the y value is increased by 340 11 x 11 x 200 11 w IF 11x gt 3000 THEN lly ILy 340 11 x 535 END IF Selectability The images are selectable with the mouse by using the doubleclicked event A user may want to select an image to open a detail window or to view a larger version ofthe image In this case the image is selected and passed as a parameter to an external imageviewer control see Figure 4 In the DataWindow s doubleclicked event the geto bjectatpointer function is used to get the object under the cursor The object name contains the sequence of the image in the row For instance object p2 is image number 2 The sequence is extracted using various PowerBuilder string functions The location of the file name in the file path column is extracted using the sequence number get the object ls object this getobjectatpointer extract the row of the object row long right ls object len ls object pos ls object t extract the name of the object ls object_name LEFT ls object POS ls object t 1 extract the sequence of the object IF ISNUMBER MID ls object _name LEN ls object name 1 1 THEN 11 seg LONG RIGHT ls object _name LEN ls object name 2 ELSE POWERBUILDER SYS CON C
69. y tool a free utility from Microsoft to debug web services That s not something a lot of instruc tors would think to include In a number of places there are references that you can follow to gain ad ditional information Sometimes it s a book recom mendation and clicking on the picture of the book will take you directly to Amazon com if you wish to purchase it What s this all have to do with old dogs Well to tell you the truth when I went to take a look at the eTutorial I was expecting to see how good it might be for training others I wasn t really expecting to learn anything from it myself I ve been working with NET since 2003 and with Visual Studio since before there was a NET primarily C One of my main focuses for the last several years has been web services so I m quite comfortable with WCF and REST Although it hasn t been one of my main focuses lately I ve had enough experience with WPF that I wasn t expect ing to get much out of an introductory lesson Well this old dog learned quite a few new tricks from this series If I can learn something from it with as much experience as I have with these technologies you certainly stand to learn a lot from this training if you are new to all of it It s free aside from a nominal charge for the lab exercises and it is extensive What are you waiting for E About the Author Bruce Armstrong is a development lead with Integrated Data Services www get integrated c

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