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• CodePlex Daily Summary for Saturday, November 27, 2010

  CodePlex Daily Summary for Saturday, November 27, 2010Popular ReleasesMahTweets for Windows Phone: Nightly 69: Latest nightly for build 69XamlQuery/WPF - The Write Less, Do More, WPF Library: XamlQuery-WPF v1.2 (Runtime, Source): This is the first release of popular XamlQuery library for WPF. XamlQuery has already gained recognition among Silverlight developers.Math.NET Numerics: Beta 1: First beta of Math.NET Numerics. Only contains the managed linear algebra provider. Beta 2 will include the native linear algebra providers along with better documentation and examples.WatchersNET.SiteMap: WatchersNET.SiteMap 01.03.02: Whats NewNew Tax Filter, You can now select which Terms you want to Use.Minecraft GPS: Minecraft GPS 1.1: 1.1 Release New Features Compass! New style. Set opacity on main window to allow overlay of Minecraft.Microsoft All-In-One Code Framework: Visual Studio 2010 Code Samples 2010-11-25: Code samples for Visual Studio 2010Typps (formerly jiffycms) wysiwyg rich text HTML editor for ASP.NET AJAX: Typps 2.9: -When uploading files (not images), through the file uploader and the multi-file uploader, FileUploaded and MultiFileUploaded event handlers were reporting an empty event argument, this is fixed now. -Fixed also url field not updating when uploading a file ( not image)Wii Backup Fusion: Wii Backup Fusion 0.8.5 Beta: - WBFS repair (default) options fixed - Transfer to image fixed - Settings ui widget names fixed - Some little bug fixes You need to reset the settings! Delete WiiBaFu's config file or registry entries on windows: Linux: ~/.config/WiiBaFu/wiibafu.conf Windows: HKEY_CURRENT_USER\Software\WiiBaFu\wiibafu Mac OS X: ~/Library/Preferences/com.wiibafu.wiibafu.plist Caution: This is a BETA version! Errors, crashes and data loss not impossible! Use in test environments only, not on productive syste...Minemapper: Minemapper v0.1.3: Added process count and world size calculation progress to the status bar. Added View->'Status Bar' menu item to show/hide the status bar. Status bar is automatically shown when loading a world. Added a prompt, when loading a world, to use or clear cached images.SQL Monitor: SQL Monitor 1.4: 1.added automatically load sql server instances 2.added friendly wait cursor 3.fixed problem with 4.0 fx 4.added exception handlingSexy Select: sexy select v0.4: Changes in v0.4 Added method : elements. This returns all the option elements that are currently added to the select list Added method : selectOption. This method accepts two values, the element to be modified and the selected state. (true/false)Deep Zoom for WPF: First Release: This first release of the Deep Zoom control has the same source code, binaries and demos as the CodeProject article (http://www.codeproject.com/KB/WPF/DeepZoom.aspx).Simple Service Locator: Simple Service Locator v0.12: The Simple Service Locator is an easy-to-use Inversion of Control library that is a complete implementation of the Common Service Locator interface. It solely supports code-based configuration and is an ideal starting point for developers unfamiliar with larger IoC / DI libraries New features in this release Collections that are registered using RegisterAll<T> can now be injected using automatic constructor injection. A new RegisterAll<T>(params T[]) method overload is added that allows ea...BlogEngine.NET: BlogEngine.NET 2.0 RC: This is a Release Candidate version for BlogEngine.NET 2.0. The most current, stable version of BlogEngine.NET is version 1.6. Find out more about the BlogEngine.NET 2.0 RC here. If you want to extend or modify BlogEngine.NET, you should download the source code. To get started, be sure to check out our installation documentation and the installation screencast. If you are upgrading from a previous version, please take a look at the Upgrading to BlogEngine.NET 2.0 instructions. As this ...NodeXL: Network Overview, Discovery and Exploration for Excel: NodeXL Excel Template, version 1.0.1.156: The NodeXL Excel template displays a network graph using edge and vertex lists stored in an Excel 2007 or Excel 2010 workbook. What's NewThis release adds a feature for aggregating the overall metrics in a folder full of NodeXL workbooks, adds geographical coordinates to the Twitter import features, and fixes a memory-related bug. See the Complete NodeXL Release History for details. Please Note: There is a new option in the setup program to install for "Just Me" or "Everyone." Most people...VFPX: FoxBarcode v.0.11: FoxBarcode v.0.11 - Released 2010.11.22 FoxBarcode is a 100% Visual FoxPro class that provides a tool for generating images with different bar code symbologies to be used in VFP forms and reports, or exported to other applications. Its use and distribution is free for all Visual FoxPro Community. Whats is new? Added a third parameter to the BarcodeImage() method Fixed some minor bugs History FoxBarcode v.0.10 - Released 2010.11.19 - 85 Downloads Project page: FoxBarcodeDotNetAge -a lightweight Mvc jQuery CMS: DotNetAge 1.1.0.5: What is new in DotNetAge 1.1.0.5 ?Document Library features and template added. Resolve issues of templates Improving publishing service performance Opml support added. What is new in DotNetAge 1.1 ? D.N.A Core updatesImprove runtime performance , more stabilize. The DNA core objects model added. Personalization features added that allows users create the personal website, manage their resources, store personal data DynamicUIFixed the PageManager could not move page node bug. ...ASP.NET MVC Project Awesome (jQuery Ajax helpers): 1.3.1 and demos: A rich set of helpers (controls) that you can use to build highly responsive and interactive Ajax-enabled Web applications. These helpers include Autocomplete, AjaxDropdown, Lookup, Confirm Dialog, Popup Form and Pager tested on mozilla, safari, chrome, opera, ie 9b/8/7/6MDownloader: MDownloader-0.15.24.6966: Fixed Updater; Fixed minor bugs;WPF Application Framework (WAF): WPF Application Framework (WAF) 2.0.0.1: Version: 2.0.0.1 (Milestone 1): This release contains the source code of the WPF Application Framework (WAF) and the sample applications. Requirements .NET Framework 4.0 (The package contains a solution file for Visual Studio 2010) The unit test projects require Visual Studio 2010 Professional Remark The sample applications are using Microsoft’s IoC container MEF. However, the WPF Application Framework (WAF) doesn’t force you to use the same IoC container in your application. You can use ...New ProjectsCommunity Megaphone for Windows Phone: The Official CommunityMegaphone application for Windows Phone. Releases are in XAP format, allowing you to upload the compiled application into a device using the Windows Phone Application Deployment tool. Download the source code to learn how to build Windows Phone applications.Group positioning GPS: this is a project for a subject in the university geographic information systems, its about a group of gadjets that can know the position of the other devices in the same group.IIS HTTPS Binder: On IIS 7 that you can not create more than one HTTPS binding, even though you have more then one SSL certificate and you need HTTPS binding on different hosted websites. If you have one IP address you can bind only one SSL to chosen website. This small application can fix this.Inspired Faith Now Playing: A ClickOnce-deployed desktop application that sits in your application tray and notifies you when any of your favorite Messianic Jewish and Christian artists or songs play on the Inspired Faith online radio station (http://inspiredfaith.org)MA Manager: The goal of this software is to help manage a martial arts school through multiple clients and platforms. This allows instructors to easily track students progress overtime.MathModels: This project contains commonly used algorithm implementations in C# .netMyFlickr API: MyFlickr API is a library for developers allows them to call Flickr API from any .Net Application.NerdOnRails.DynamicProxy: a small dynamic-proxy implementation using the new dynamic object that was introduced with .Net 4.NerdOnRails.Injector: a small dependency injection framework for .netNHyperV: NHyperV is a C# Hyper-V programming model.Power Scheme Switcher: This is a very simple utility that exposes an icon in the system tray and allows you to quickly change the Power Plan Scheme from there. It is developed in c# with Vs 2010(WinForm)rcforms: Custom sharepoint forms exampleRobo Commander: This is a Lego NXT commander developed under Visual Studio. This console will have basic commands and uses the NXT++ libraries. Shared Genomics Project - Workbench Codebase: The Shared Genomics workbench enables a diverse user group of researchers to explore the associations between genetic and other factors in their datasets. It provides a graphical user interface to the analysis functions published in a sister Codeplex project i.e. MPI Codebase.SharePoint 2010 PowerShell v2 reference: This project hosts a complete PowerShell v2 reference for SharePoint 2010.Social PowerFlow: Experiments with PowerWF and the social network - integrating Windows Powershell and Windows Workflow Foundation with Facebook and TwitterTweetSayings: Twitter SayingsXamlQuery/WPF - The Write Less, Do More, WPF Library: XamlQuery/WPF is a lightweight yet powerful library that enables rapid development in WPF. It simplifies several tasks like page/window traversing; finding controls by name, type, style, property value or position in control tree; event handling; animating and much more.XmlDSigEx XML Digital Signature Library: The XmlDSigEx library is an alternative to using the SignedXml classes in the .Net Framework. It addresses some of the shortcomings of the standard types particularly in regards to canonicalisation and the enveloped transform. It is currently under development.Yoi's Online Project: This is online storage for Yovi's project?????? ???? ???: ?????? ???? ?? ????? ??? ?????? ? ??????? ?? ???? ??? ????

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• Pricing: Meet or Beat?

  - by charles.knapp

  My home dishwasher started making some really interesting noises. It was time to shop. I heard radio advertisements from two retailers who promised to meet any competitor's price. Then, another retailer promised that their everyday prices beat their competitors. That got me to thinking about the power of pricing and promotions in the marketing mix (product, price, placement, promotions, and people). What is more powerful to say in a competitive market: your company will meet a similar offer, or your company will beat the others? Will you sell more if you meet or if you beat? I found that the retailer who promised to beat the others really had the best everyday pricing. I was close to making a purchase. Then, another retailer had an exclusive promotional sale for long-term customers. Their loyalty promotion beat the best everyday discounter. So, I got the quality and performance I wanted at a tremendous price. So, I have two challenges for marketers. First, where you really have to compete on price as a dominant factor, give people strong reasons to do business with you. If you try to meet other's prices, make the leap to actually beat and not merely meet competitor prices. Second, upgrade your firm's capabilities where needed. Oracle offers a complete range of great CRM capabilities for loyalty management, marketing promotions, and pricing management that will help you to grow your business.

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• Great Blog Comments

  - by Paul Sorensen

  Just a quick note to let you know that in the interest of keeping the most useful content available here on the Oracle Certification Blog, we do moderate the comments. We welcome (and encourage dialog, questions, comments, etc) here on the topics at hand. We'll never 'censor' out a comment just because we don't like it - in fact, this is how we often learn ways in which we can do better. But of course we will filter out the typical list like anyone else: crude/offensive remarks, foul language, reference to illegal activity, etc. We will also often redirect any customer-service type inquiries to [email protected] where they can best be handled.Also, if you have a question of a general nature, please research it on the Oracle Certification website first. We often won't respond to questions asking such as "tell me how to get 11g ocp", as we've already made sure that you have that kind of information available. Now if we've inadvertently 'hidden' something on our site (gulp), then fair enough - please let us know that you're having a hard time finding it and we'll be sure to try and "unbury it" ;-)Additionally, you may have more of an 'opinion' type question, such as "should I do 'x' certification or 'y' certification." For these, we highly recommend checking on the Oracle Technology Network (OTN) Certification Forum, where you can engage in peer-to-peer discussions, share techniques, advice and best practices with others in the field.In the meantime, please continue to share your thoughts, ideas, opinions, tech tips etc - we look forward to seeing them and passing them wherever we can!QUICK LINKS:Oracle Certification WebsiteEmail - Customer ServiceOracle Technology Network (OTN) Certification Forum

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• Timeout Considerations for Solicit Response

  - by Michael Stephenson

  Background One of the clients I work with had been experiencing some issues for a while surrounding web service timeouts.  It's been a little challenging to work through the problems due to limitations in the diagnostic information available from one of the applications, but I learned some interesting things while troubleshooting the problem which don't seem to have been discussed much in the community so I thought I'd share my findings. In the scenario we have BizTalk trying to make calls to a .net web service which was exposed as a WSE 2 endpoint.  In the process BizTalk will try to make a large number of concurrent web service calls to the application, and the backend application has more than enough infrastructure and capability to handle the load. We have configured the <ConnectionManagement> section of the BizTalk configuration file to support up to 100 concurrent connections from each of our 2 BizTalk send servers to the web servers of the application. The problem we were facing was that the BizTalk side was reporting a significant number of timeouts when calling the web service.   One of the biggest issues was the challenge of being able to correlate a message from BizTalk to the IIS log in the .net application and the custom logs in the application especially when there was a fairly large number of servers hosting the web services.  However the key moment came when we were able to identify a specific call which had taken 40 seconds to execute on the server (yes a long time I know but that's a different story!).  Anyway we were able to identify that this had timed out on the BizTalk side.  Based on the normal 2 minute timeout we knew something unexpected was going on. From here I decided to do some experimentation and I wanted to start outside of BizTalk because my hunch was this was not a BizTalk behaviour but something which was being highlighted by BizTalk because of our large load.     Server-side - Sample Web Service To begin with I created a sample web service.  Nothing special just a vanilla asmx web service hosted in IIS6 on Windows 2003 Standard Edition.  The web service is just a hello world style web service as shown in the below picture.  The only key feature is that the server side web method has a 30 second sleep in it and will trace out some information before and after the thread is set to sleep.      In the configuration for this web service there again is nothing special it's pretty much the most plain simple web service you could build. Client-Side To begin looking at what was happening with our example I created a number of different ways to consume the web service. SoapHttpClientProtocol Example I created a small application which would use a normal proxy generated to call the web service.  It would iterate around a loop and make calls using the begin/end methods so I can do this asynchronously.  I would do a loop of 20 calls with the ConnectionManager configuration section supporting only 5 concurrent connections to the server.     <connectionManagement> <remove address="*"/> <add address = "*" maxconnection = "12" /> <add address = "http://<ServerName>" maxconnection = "5" />                         </connectionManagement> </system.net>     The below picture shows an example of the service calling code, key points are: I have configured the timeout of 40 seconds for the proxy I am using the asynchronous methods on the proxy to call the web service         The Test I would run the client and execute 21 calls to the web service.   The Results  Below is the client side trace showing what's happening on the client. In the below diagram is the web service side trace showing what's happening on the server Some observations on the results are: All of the calls were successful from the clients perspective You could see the next call starting on the server as soon as the previous one had completed Calls took significantly longer than 40 seconds from the start of our call to the return. In fact call 20 took 2 minutes and 30 seconds from the perspective of my code to execute even though I had set the timeout to 40 seconds     WSE 2 Sample In the second example I used the exact same code to call the web service again with a single exception that I modified the web service proxy to derive from WebServiceClient protocol which is part of WSE 2 (using SP3).  The below picture shows the basic code and the key points are: I have configured the timeout of 40 seconds for the proxy I am using the asynchronous methods on the proxy to call the web service        The Test This test would execute 21 calls from the client to the web service.   The Results  The below trace is from the client side: The below trace is from the server side:   Some observations on the trace results for this scenario are: With call 4 if you look at the server side trace it did not start executing on the server for a number of seconds after the other 4 initial calls which were accepted by the server. I re-ran the test and this happened a couple of times and not on most others so at this point I'm just putting this down to something unexpected happening on the development machine and we will leave this observation out of scope of this article. You can see that the client side trace statement executed almost immediately in all cases All calls after the initial few calls would timeout On the client side the calls that did timeout; timed out in a longer duration than the 40 seconds we set as the timeout You can see that as calls were completing on the server the next calls were starting to come through The calls that timed out on the client did actually connect to the server and their server side execution completed successfully     Elaboration on the findings Based on the above observations I have drawn the below sequence diagram to illustrate conceptually what is happening.  Everything except the final web service object is on the client side of the call. In the diagram below I've put two notes on the Web Service Proxy to show the two different places where the different base classes seem to start their timeout counters. From the earlier samples we can work out that the timeout counter for the WSE web service proxy starts before the one for the SoapHttpClientProtocol proxy and the WSE one includes the time to get a connection from the pool; whereas the Soap proxy timeout just covers the method execution. One interesting observation is if we rerun the above sample and increase the number of calls from 21 to 100,000 then for the WSE sample we will see a similar pattern where everything after the first few calls will timeout on the client as soon as it makes a connection to the server whereas the soap proxy will happily plug away and process all of the calls without a single timeout. I have actually set the sample running overnight and this did happen. At this point you are probably thinking the same thoughts I was at the time about the differences in behaviour and which is right and why are they different? I'm not sure there is a definitive answer to this in the documentation, or at least not that I could find! I think you just have to consider that they are different and they could have different effects depending on your messaging solution. In lots of situations this is just not an issue as your concurrent requests doesn't get to the situation where you end up throttling the web service calls on the client side, however this is definitely more common with an integration broker such as BizTalk where you often have high throughput requirements.  Some of the considerations you should make Based on this behaviour you should be aware of the following: In a .net application if you are making lots of concurrent web service calls from an application in an asynchronous manner your user may thing they are experiencing poor performance but you think your web service is working well. The problem could be that the client will have a default of 2 connections to remote servers so you should bear this in mind When you are developing a BizTalk solution or a .net solution with the WSE 2 stack you may experience timeouts under load and throttling the number of connections using the max connections element in the configuration file will not help you For an application using WSE2 or SoapHttpClientProtocol an expired timeout will not throw an error until after a connection to the server has been made so you should consider this in your transaction and durability patterns     Our Work Around In the short term for our specific scenario we know that we can handle this by just increasing our timeout value.  There is only a specific small window when we get lots of concurrent traffic that causes this scenario so we should be able to increase the timeout to take into consideration the additional client side wait, and on the odd occasion where we do get a timeout the BizTalk send port retry will handle this. What was causing our original problem was that for that short window we were getting a lot of retries which significantly increased the load on our send servers and highlighted the issue.  Longer Term Solution As a longer term solution this really gives us more ammunition to argue a migration to WCF. The application we are calling has some factors which limit the protocols we can use but with WCF we would have more control on the various timeout options because in WCF you can configure specific parts of the timeout. Summary I've had this blog post on my to do list for ages but hopefully it will be useful to some people to just understand this behaviour and to possibly help you with some performance issues you may have. I do not believe there is too much in the way of documentation particularly around WSE2 and ASMX in this area so again another bit of ammunition for migrating to WCF. I'll try to do a follow up post with the sample for WCF to show how this changes things.

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• CodePlex Daily Summary for Saturday, June 30, 2012

  CodePlex Daily Summary for Saturday, June 30, 2012Popular ReleasesDotChess: DotChess v0.5.0: v0.5.0 Rearchitected the domain. Updated solution to Framework 4. Initiated test project. Implemented exceptions for errors. Improved coding style. Fixed minor bugs. Fixed setup shortcuts to use executable's icon. v0.4.0 Converted to Visual Studio 2010. Improved architecture.Magelia WebStore Open-source Ecommerce software: Magelia WebStore 2.0: User Right Licensing ContentType version 2.0.267.1EPPlus-Create advanced Excel 2007 spreadsheets on the server: EPPlus 3.1 Beta: EPPlus-Create advanced Excel 2010 spreadsheets This version contain version contains two new major features - VBA and conditional formatting New featuresVBACreate,read and write a VBA project from scratch or in a template. Add and modify modules and classes. Read and write code to documents(workbook and worksheets), modules and classes. VBA protection Code signing And more... Conditional FormattingApply conditional formatting on any range of cells. Choose between more than 40 diff...Supporting Guidance and Whitepapers: v1 - Supporting Media: Welcome to the Release Candidate (RC) release of the ALM Rangers Readiness supporting edia As this is a RC release and the quality bar for the final Release has not been achieved, we value your candid feedback and recommend that you do not use or deploy these RC artifacts in a production environment. Quality-Bar Details All critical bugs have been resolved Known Issues / Bugs Practical Ruck training workshop not yet includedDesigning Windows 8 Applications with C# and XAML: Chapters 1 - 7 Release Preview: Source code for all examples from Chapters 1 - 7 for the Release PreviewHyperStat.NET: Public Alpha Release: Ubuntu Installation Instructionssudo add-apt-repository ppa:xexenon/hyperstat.net sudo apt-get update sudo apt-get install hyperstatMicrosoft Ajax Minifier: Microsoft Ajax Minifier 4.57: Fix for issue #18284: evaluating literal expressions in the pattern c1 * (x / c2) where c1/c2 is an integer value (as opposed to c2/c1 being the integer) caused the expression to be destroyed.Visual Studio ALM Quick Reference Guidance: v2 - Visual Studio 2010 (Japanese): Rex Tang (?? ??) http://blogs.msdn.com/b/willy-peter_schaub/archive/2011/12/08/introducing-the-visual-studio-alm-rangers-rex-tang.aspx, Takaho Yamaguchi (?? ??), Masashi Fujiwara (?? ??), localized and reviewed the Quick Reference Guidance for the Japanese communities, based on http://vsarquickguide.codeplex.com/releases/view/52402. The Japanese guidance is available in AllGuides and Everything packages. The AllGuides package contains guidances in PDF file format, while the Everything packag...Visual Studio Team Foundation Server Branching and Merging Guide: v1 - Visual Studio 2010 (Japanese): Rex Tang (?? ??) http://blogs.msdn.com/b/willy-peter_schaub/archive/2011/12/08/introducing-the-visual-studio-alm-rangers-rex-tang.aspx, Takaho Yamaguchi (?? ??), Hirokazu Higashino (?? ??), localized and reviewed the Branching Guidance for the Japanese communities, based on http://vsarbranchingguide.codeplex.com/releases/view/38849. The Japanese guidance is available in AllGuides and Everything packages. The AllGuides package contains guidances in PDF file format, while the Everything packag...SQL Server FineBuild: Version 3.1.0: Top SQL Server FineBuild Version 3.1.0This is the stable version of FineBuild for SQL Server 2012, 2008 R2, 2008 and 2005 Documentation FineBuild Wiki containing details of the FineBuild process Known Issues Limitations with this release FineBuild V3.1.0 Release Contents List of changes included in this release Please DonateFineBuild is free, but please donate what you think FineBuild is worth as everything goes to charity. Tearfund is one of the UK's leading relief and de...EasySL: RapidSL V2: Rewrite RapidSL UI Framework, Using Silverlight 5.0 EF4.1 Code First Ria Service SP2 + Lastest Silverlight Toolkit.SOLID by example: All examples: All solid examplesSiteMap Editor for Microsoft Dynamics CRM 2011: SiteMap Editor (1.1.1726.406): Use of new version of connection controls for a full support of OSDP authentication mechanism for CRM Online.Umbraco CMS: Umbraco CMS 5.2: Development on Umbraco v5 discontinued After much discussion and consultation with leaders from the Umbraco community it was decided that work on the v5 branch would be discontinued with efforts being refocused on the stable and feature rich v4 branch. For full details as to why this decision was made please watch the CodeGarden 12 Keynote. What about all that hard work?!?? We are not binning everything and it does not mean that all work done on 5 is lost! we are taking all of the best and m...CodeGenerate: CodeGenerate Alpha: The Project can auto generate C# code. Include BLL Layer、Domain Layer、IDAL Layer、DAL Layer. Support SqlServer And Oracle This is a alpha program,but which can run and generate code. Generate database table info into MS WordXDA ROM HUB: XDA ROM HUB v0.9: Kernel listing added -- Thanks to iONEx Added scripts installer button. Added "Nandroid On The Go" -- Perform a Nandroid backup without a PC! Added official Android app!ExtAspNet: ExtAspNet v3.1.8.2: +2012-06-24 v3.1.8 +????Grid???????（???????ExpandUnusedSpace????????）（??）。 -????MinColumnWidth（??????）。 -????AutoExpandColumn，???????????????（ColumnID）（?????ForceFitFirstTime??ForceFitAllTime，??????）。 -????AutoExpandColumnMax?AutoExpandColumnMin。 -????ForceFitFirstTime，????????????，??????????（????????????）。 -????ForceFitAllTime，????????????，??????????（??????????????????）。 -????VerticalScrollWidth，????????（??????????，0?????????????）。 -????grid/grid_forcefit.aspx。 -???????????En...AJAX Control Toolkit: June 2012 Release: AJAX Control Toolkit Release Notes - June 2012 Release Version 60623June 2012 release of the AJAX Control Toolkit. AJAX Control Toolkit .NET 4 – AJAX Control Toolkit for .NET 4 and sample site (Recommended). AJAX Control Toolkit .NET 3.5 – AJAX Control Toolkit for .NET 3.5 and sample site (Recommended). Notes: - The current version of the AJAX Control Toolkit is not compatible with ASP.NET 2.0. The latest version that is compatible with ASP.NET 2.0 can be found here: 11121. - Pages using ...Cloud Media SharePoint Extension: Cloud Media SharePoint Extension: Version 0.1 Enables adding YouTube and Vimeo Video to a asset libraryComputation Visualizer: V 1.1d: ????????? ??????????, ??????????? ?? ??????New ProjectsCEP: CEP With Esper on Android Colorific: Colorific is a Visual Studio extension which enhances the syntax coloring support for C#.Dan's Utility Libraries: Dan's Utility Library is a collection of reusable code that I've written or found throughout my programming career.Delete Inactive TS Ports: The presence of Inactive TS Ports causes systems to hang or become sluggish and unresponsive. Printer redirection also suffers when there are a lot of Inactive TS Ports presents in the machine.FastNet: Extremely efficient WCF client and server for exchanging binary messages.FoodBank: Track what you eat with FoodBankGUIMalort: Malort is a raytracer developed in C++ and using Qt for the user interface. For now, it implements basic primitives, lights sources, global ambient light. Future improvements are about textures and procedural textures, bump mapping and animations.ImapClient for .NET: This ImapClient was created to incorporate Imap Mailbox Syncing with following features. This client is not full featured client, but it provides sufficient features to sync remote mail box easily and it is only free library which supports BODYSTRUCTURE correctly.iTunesContorol: iTunes??????????????、iTunes????????????????????????。JavascriptHelper - Managing JS files for ASP.NET MVC: JavascriptHelper is a MVC component to manage Javascript usage handling dependencies, CSS files and file placement.Jeanfish.com: JeanFish.comjFadeList: JQuery List Fade Plugin v1.0 betaLogwiz - Automate the collection of Performance monitor logs using logman.exe: This tool is used to automate the process of collecting Performance monitoring data using the logman.exe on Windows Vista/Windows 7/Windows 2008 and Windows 2008 R2MtelAnalyzer: Mtel Analyzator analyze the transactions that your emplyees were made and find the best plan for lower pricing.patterns practices - HiloJS: Dev a Windows Metro style app using JavaScript: Hilo guides you though the development of a Windows Metro style app. The Hilo sample is a photo viewing app using HTML 5, CSS3 and JavaScript.PHP Database Management: A PHP library to facilitate MySql database managementpintos: pintosPlay N Hunt: Scanner for the website eternal-apocalypse.frPokemon Text Tools: Pokemon Stars SP ??ProjectEulerIssues: Collection of solved/processing tasks from ProkectEuler.netScheme.Net: A R5RS Scheme interpreter/compiler for the .NET runtime.Speed up Printer migration using PrintBrm and it's configuration files: This tool is used to create the BrmConfig.XML file that can be used for quickly restoring all the print queues using the Generic / Text Only driver when migrating from a 32bit to a 64bit server.SvnLightClient: ???? svn server url, username, password ??，???????svn??????。 ??????project checkout??????。（??）WikiQuizz: It's the first real game on Wikipedia!xlsdiff: Show changes between Excel filesXNATetris: Il gioco è un clone in XNA del classico Tetris. Permette la modalità single player con aumento della velocità di gioco in relazione al livello raggiunto.Xperf123 - Xperf perf data collection made as easy as 1-2-3: This tool is used to automate the process of collecting xperf traces easy without the user worring about the various settings and configuration options. Just select the kind of trace you want and this tool does the rest for you.

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• EF4 CPT5 Code First Remove Cascading Deletes

  - by Dane Morgridge

  I have been using EF4 CTP5 with code first and I really like the new code.  One issue I was having however, was cascading deletes is on by default.  This may come as a surprise as using Entity Framework with anything but code first, this is not the case.  I ran into an exception with some one-to-many relationships I had: Introducing FOREIGN KEY constraint 'ProjectAuthorization_UserProfile' on table 'ProjectAuthorizations' may cause cycles or multiple cascade paths. Specify ON DELETE NO ACTION or ON UPDATE NO ACTION, or modify other FOREIGN KEY constraints. Could not create constraint. See previous errors. To get around this, you can use the fluent API and put some code in the OnModelCreating: 1: protected override void OnModelCreating(System.Data.Entity.ModelConfiguration.ModelBuilder modelBuilder) 2: { 3: modelBuilder.Entity<UserProfile>() 4: .HasMany(u => u.ProjectAuthorizations) 5: .WithRequired(a => a.UserProfile) 6: .WillCascadeOnDelete(false); 7: } This will work to remove the cascading delete, but I have to use the fluent API and it has to be done for every one-to-many relationship that causes the problem. I am personally not a fan of cascading deletes in general (for several reasons) and I’m not a huge fan of fluent APIs.  However, there is a way to do this without using the fluent API.  You can in the OnModelCreating, remove the convention that creates the cascading deletes altogether. 1: protected override void OnModelCreating(System.Data.Entity.ModelConfiguration.ModelBuilder modelBuilder) 2: { 3: modelBuilder.Conventions.Remove<OneToManyCascadeDeleteConvention>(); 4: } Thanks to Jeff Derstadt from Microsoft for the info on removing the convention all together.  There is a way to build a custom attribute to remove it on a case by case basis and I’ll have a post on how to do this in the near future.

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• When is meta description still relevant?

  - by Jeff Atwood

  I received this bit of advice about the meta description tag recently: Meta descriptions are used by Google probably 80% of the time for the snippet. They don’t help with rankings but you should probably use them. You could just auto generate them from the first part of the question. The description tag exists in the header, like so: <meta name="Description" content="A brief summary of the content on the page."> I'm not sure why we would need this field, as Google seems perfectly capable of showing the relevant search terms in context in the search result pages, like so (I searched for c# list performance): In other words, where would a meta description summary improve these results? We want the page to show context around the actual search hits, not a random summary we inserted! Google Webmaster Central has this advice: For some sites, like news media sources, generating an accurate and unique description for each page is easy: since each article is hand-written, it takes minimal effort to also add a one-sentence description. For larger database-driven sites, like product aggregators, hand-written descriptions are more difficult. In the latter case, though, programmatic generation of the descriptions can be appropriate and is encouraged -- just make sure that your descriptions are not "spammy." Good descriptions are human-readable and diverse, as we talked about in the first point above. The page-specific data we mentioned in the second point is a good candidate for programmatic generation. I'm struggling to think of any scenario when I would want the Google-generated summary, that is, actual context from the page for the search terms, to be replaced by a hard-coded meta description summary of the question itself.

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• Ogre3d particle effect causing error in iPhone

  - by anu

  1) First I have added the Particle Folder from the OgreSDK( Contains Smoke.particle) 2) Added the Smoke.material And smoke.png and smokecolors.ong 3) After this I added the Plugin = Plugin_ParticleFX in the plugins.cfg Here is my code: #Defines plugins to load # Define plugin folder PluginFolder=./ # Define plugins Plugin=RenderSystem_GL Plugin=Plugin_ParticleFX 4) I have added the particle path in the resources.cfg( adding the particle file in this get crash ) #Resource locations to be added to the 'bootstrap' path # This also contains the minimum you need to use the Ogre example framework [Bootstrap] Zip=media/packs/SdkTrays.zip # Resource locations to be added to the default path [General] FileSystem=media/models FileSystem=media/particle FileSystem=media/materials/scripts FileSystem=media/materials/textures FileSystem=media/RTShaderLib FileSystem=media/RTShaderLib/materials Zip=media/packs/cubemap.zip Zip=media/packs/cubemapsJS.zip Zip=media/packs/skybox.zip 6) Finally I did all the settings, my code is here: mPivotNode = OgreFramework::getSingletonPtr()->m_pSceneMgr->getRootSceneNode()->createChildSceneNode(); // create a pivot node // create a child node and attach an ogre head and some smoke to it Ogre::SceneNode* headNode = mPivotNode->createChildSceneNode(Ogre::Vector3(100, 0, 0)); headNode->attachObject(OgreFramework::getSingletonPtr()->m_pSceneMgr->createEntity("Head", "ogrehead.mesh")); headNode->attachObject(OgreFramework::getSingletonPtr()->m_pSceneMgr->createParticleSystem("Smoke", "Examples/Smoke")); 7) I run this, I got the below error: An exception has occurred: OGRE EXCEPTION(2:InvalidParametersException): Cannot find requested emitter type. in ParticleSystemManager::_createEmitter at /Users/davidrogers/Documents/Ogre/ogre-v1-7/OgreMain/src/OgreParticleSystemManager.cpp (line 353) 8) Getting crash at: (void)renderOneFrame:(id)sender { if(!OgreFramework::getSingletonPtr()->isOgreToBeShutDown() && Ogre::Root::getSingletonPtr() && Ogre::Root::getSingleton().isInitialised()) { if(OgreFramework::getSingletonPtr()->m_pRenderWnd->isActive()) { mStartTime = OgreFramework::getSingletonPtr()->m_pTimer->getMillisecondsCPU(); //( getting crash here) Does anyone know what could be causing this?

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• links for 2010-05-11

  - by Bob Rhubart

  Fat Bloke: Oracle VM VirtualBox 3.1.8 released! "Supporting new platforms such as Ubuntu 10.04 (Lucid Lynx) and delivering a host of bugfixes, VirtualBox 3.1.8 is available now from the usual places, " says the Fat Bloke. (tags: oracle otn virtualization linux) Anthony Shorten: What is the Oracle Utilities Application Framework? "The Oracle Utilities Application Framework is a reusable, scalable and flexible java based framework which allows other products to be built, configured and implemented in a standard way," according to Anthony Shorten (tags: oracle otn framework java standards) Audio podcast: Oracle WebLogic Suite Virtualization Option (Application Grid) "Steve Harris, Senior Vice President of application server and Java Platform, Enterprise Edition development, talks about running Oracle WebLogic Server on Oracle JRockit Virtual Edition. Listen here to learn how you can run faster and more efficiently without a guest operating system on Oracle VM." (tags: oracle otn grid wweblogic podcast virtualization) MySQL Community Blog: MySQL track with free event at Kaleidoscope 2010 "The even greater news," writes Giuseppe Maxia, "is that, in addition to the general schedule, there are SUNDOWN SESSIONS!" (tags: java sun oracle mysql) @SOAtoday: Will Cloudsourcing Change the Face of Consulting? "Will we all be working remotely to deliver our client projects going forward? Maybe someday, but not anytime soon." -- Oracle ACE Director Jordan Braunstein (tags: oracle otn oracleace cloudcomputing entarch) @SOAtoday: Are we Paid to Say No? "Software architects take their governance initiatives seriously, and I can say with a high level of confidence that most of these denials are highly justified. But, have we architects lost our entrepreneurial spirit, with governance as our defense? Are we over-scrutinizing new ideas and slowing down pilots of innovation because they don’t align with our governance policies and enterprise frameworks?" -- Oracle ACE Director Jordan Braunstein (tags: architect entarch oracle otn soa)

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• Product Update Bulletin: Oracle Solaris Cluster October 2013

  - by uwes

  Announcing new qualifications and general news for the Oracle Solaris Cluster product. Hardware Qualifications Sun Server X4-2 and X4-2L servers, Sun Blade X4-2B server module with Oracle Solaris Cluster 3.3 Sun Storage 16 Gb Fibre Channel ExpressModule Universal HBA, Emulex Oracle Dual Port QDR InfiniBand Adapter M3 Software Qualifications Oracle Database 12c Real Application Cluster with Oracle Solaris Cluster 4.1 Oracle Database 11.2.0.4 single instance and RAC with Oracle Solaris Cluster 4.1 Oracle VM server for SPARC 3.1 SAP Netweaver with new kernel versions ZFS Storage Appliance Kit version 2011.1.7.0 and 2013.1.0.0 Application monitoring in Oracle VM for SPARC failover guest domain Storage Partner Update Oracle Solaris Cluster 3.3 3/13 with the HDS Enterprise Storage arrays EMC SRDF for Oracle database 12c RAC in Oracle Solaris Cluster 4.1 geo cluster configuration Oracle Solaris Cluster References Korea Enterprise Data, HDFC Securities, Dealis Fund Operations Web Updates New blog entry: Oracle Solaris 10 Brand Zone cluster Solaris Application Engineering website now includes Oracle Solaris Cluster application support information Please read the Oracle Solaris Cluster Product Update Bulletin on Oracle HW TRC for more details. (If you are not registered on Oracle HW TRC, click here ... and follow the instructions..) _____________________________________________________________________ For More Information Go To:Oracle.com Oracle Solaris Cluster page Oracle Technology Network Oracle Solaris Cluster pageOracle Solaris Cluster mos communityPartner web Oracle Solaris Cluster pageOracle Solaris Cluster Blog Solaris.us.oracle.com page

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• C# Role Provider for multiple applications

  - by Juventus18

  I'm making a custom RoleProvider that I would like to use across multiple applications in the same application pool. For the administration of roles (create new role, add users to role, etc..) I would like to create a master application that I could login to and set the roles for each additional application. So for example, I might have AppA and AppB in my organization, and I need to make an application called AppRoleManager that can set roles for AppA and AppB. I am having troubles implementing my custom RoleProvider because it uses an initialize method that gets the application name from the config file, but I need the application name to be a variable (i.e. "AppA" or "AppB") and passed as a parameter. I thought about just implementing the required methods, and then also having additional methods that pass application name as a parameter, but that seems clunky. i.e. public override CreateRole(string roleName) { //uses the ApplicationName property of this, which is set in web.config //creates role in db } public CreateRole(string ApplicationName, string roleName) { //creates role in db with specified params. } Also, I would prefer if people were prevented from calling CreateRole(string roleName) because the current instance of the class might have a different applicationName value than intended (what should i do here? throw NotImplementedException?). I tried just writing the class without inheriting RoleProvider. But it is required by the framework. Any general ideas on how to structure this project? I was thinking make a wrapper class that uses the role provider, and explicitly sets the application name before (and after) and calls to the provider something like this: static class RoleProviderWrapper { public static CreateRole(string pApplicationName, string pRoleName) { Roles.Provider.ApplicationName = pApplicationName; Roles.Provider.CreateRole(pRoleName); Roles.Provider.ApplicationName = "Generic"; } } is this my best-bet?

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• Latest Patch Set Updates for EPM

  - by Lia Nowodworska - Oracle

  Here is the list of the latest Patch Set Updates for EPM products: The "Patch" ID links will access the patch directly for download from "My Oracle Support" (login required). Patch 18490422  for Hyperion Financial Management 11.1.2.2.307 Patch 18685108  for Oracle Hyperion Profitability and Cost Management release 11.1.2.3.501 Patch 18400594  for Hyperion Strategic Finance 11.1.2.3.501 Patch 18505475 for Hyperion Essbase Admin Services Server 11.1.2.3.501  Patch 18505468 for Hyperion Essbase Admin Services Console MSI 11.1.2.3.501  Patch 18505499 for Hyperion Essbase RTC 11.1.2.3.501  Patch 18505489 for Hyperion Essbase Server 11.1.2.3.501  Patch 18505494 for Hyperion Essbase Client 11.1.2.3.501  Patch 18505483 for Hyperion Essbase Client MSI 11.1.2.3.501  Patch 18505515 for Hyperion Analytic Provider Services 11.1.2.3.501 Patch 18505506 for Hyperion Essbase Studio Server 11.1.2.3.501 Patch 18505503 for Hyperion Essbase Studio Console MSI 11.1.2.3.501 For the latest Enterprise Performance Management Patch Set Updates visit: Oracle Hyperion EPM Products [Doc ID 1400559.1]

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• Making a C# w/ WPF multiple frame text / pseudo-calendar GUI application [closed]

  - by Gregor Samsa

  I am editing a recently asked question and making it specific, taking the advice of some people here. I would like to program of the following simple form: The user can produce X number of resizable frames (analogous to HTML frames). Each frame serves as a simple text editor, which you can type into and save the whole configuration including resized windows and text. The user should be able alternately "freeze" and present the information, and "unfreeze" and edit frames. I want to use C## with WPF, in Microsoft's Visual C#. I do not yet know this language. I am sure I can pick up the syntax, but I would like to ask about some general advice for how to structure such a program. I have never made a GUI program, let alone one that interfaces with a notepad or some basic text editor. Can someone either direct me to a good resource that will teach me how to do the above? Or outline the basic ingredients that such a program will require, keeping in mind that though I know some C and Python, I have no experience with GUIs or advanced programming generally? In particular I don't know how to incorporate this "text editor" aspect of the program, as well as the resizable frames I would greatly appreciate any help.

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• Hide email adress with JavaScript

  - by Martin Aleksander

  I read somewhere that hiding email address behind JavaScript code, could reduce spam bots harvesting the email address. <script language="javascript" type="text/javascript"> var a = "Red"; var t = "no"; var doc = document; var b = "ITpro"; var ad = a; ad += "@"; ad += b; ad += "."; ad += t; var mt = "ma"; mt += "il"; mt += "to"; var text = ""; if (text == null || text.length == 0) text = ad; doc.write("<"+"a hr"+"ef=\""+mt+":"+ad+"\">"+text+"</"+"a>"); </script> This will not display the actual email-address in the sourcecode of the page, but it will display and work like a normal link for human users. Is it any point of doing this? Will it reduce spam bots, or is it just nonsense that might slow down performance of the page because of the JavaScript?

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• Best practice settings Effect parameters in XNA

  - by hichaeretaqua

  I want to ask if there is a best practice settings effect parameters in XNA. Or in other words, what exactly happens when I call pass.Apply(). I can imagine multiple scenarios: Each time Apply() is called, all effect parameters are transferred to the GPU and therefor it has no real influence how often I set a parameter. Each time Apply() is called, only the parameters that got reset are transferred. So caching Set-operations that don't actually set a new value should be avoided. Each time Apply() is called, only the parameters that got changed are transferred. So caching Set-operations is useless. This whole questions is bootless because no one of the mentions ways has any noteworthy impact on game performance. So the final question: Is it useful to implement some caching of Set-operation like: private Matrix _world; public Matrix World { get{ return _world;} set { if(value == world)return; _effect.Parameters["xWorld"].SetValue(value); _world = value; } Thanking you in anticipation

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• Are programmers getting lazier and less competent

  - by Skeith

  I started programming in C++ at uni and loved it. In the next term we changed to VB6 and I hated it. I could not tell what was going on, you drag a button to a form and the ide writes the code for you. While I hated the way VB functioned I cannot argue that it was faster and easier than doing the same thing in C++ so i can see why it is a popular language. Now I am not calling VB developers lazy in just saying it easier than C++ and I have noticed that a lot of newer languages are following this trend such a C#. This leads me to think that as more business want quick results more people will program like this and sooner or later there will be no such thing as what we call programming now. Future programmers will tell the computer what they want and the compiler will write the program for them like in star trek. Is this just an under informed opinion of a junior programmer or are programmers getting lazier and less competent in general? EDIT: A lot of answers say why re invent the wheel and I agree with this but when there are wheels available people are not bothering to learn how to make the wheel. I can google how to do pretty much anything in any language and half the languages do so much for you when it come to debugging they have no idea what there code does of how to fix the error. That's how I cam up with the theory that programmers are becoming lazier and less competent as no one cares how stuff works just that it does until it does not.

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• Inheritance, commands and event sourcing

  - by Arthis

  In order not to redo things several times I wanted to factorize common stuff. For Instance, let's say we have a cow and a horse. The cow produces milk, the horse runs fast, but both eat grass. public class Herbivorous { public void EatGrass(int quantity) { var evt= Build.GrassEaten .WithQuantity(quantity); RaiseEvent(evt); } } public class Horse : Herbivorous { public void RunFast() { var evt= Build.FastRun; RaiseEvent(evt); } } public class Cow: Herbivorous { public void ProduceMilk() { var evt= Build.MilkProduced; RaiseEvent(evt); } } To eat Grass, the command handler should be : public class EatGrassHandler : CommandHandler<EatGrass> { public override CommandValidation Execute(EatGrass cmd) { Contract.Requires<ArgumentNullException>(cmd != null); var herbivorous= EventRepository.GetById<Herbivorous>(cmd.Id); if (herbivorous.IsNull()) throw new AggregateRootInstanceNotFoundException(); herbivorous.EatGrass(cmd.Quantity); EventRepository.Save(herbivorous, cmd.CommitId); } } so far so good. I get a Herbivorous object , I have access to its EatGrass function, whether it is a horse or a cow doesn't matter really. The only problem is here : EventRepository.GetById<Herbivorous>(cmd.Id) Indeed, let's imagine we have a cow that has produced milk during the morning and now wants to eat grass. The EventRepository contains an event MilkProduced, and then come the command EatGrass. With the CommandHandler, we are no longer in the presence of a cow and the herbivorious doesn't know anything about producing milk . what should it do? Ignore the event and continue , thus allowing the inheritance and "general" commands? or throw an exception to forbid execution, it would mean only CowEatGrass, and HorseEatGrass might exists as commands ? Thanks for your help, I am just beginning with these kinds of problem, and I would be glad to have some news from someone more experienced.

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• EPPM Webcast Series Part II: Build – Consistently delivering successful projects to ensure financial success

  - by Sylvie MacKenzie, PMP

  Oracle Primavera invites you to the second in a series of three webcasts linking Enterprise Project Portfolio Management with enhanced operational performance and better financial results. Join us for the next installment of our 'Plan, Build, Operate' webcast series, as we look to address the challenges organizations face during the execution phase of their projects. Webcast II: Build – Consistently delivering successful projects to ensure financial success. This webcast will look at Three key questions: How do you maintain consistency in delivery whilst maintaining visibility and control? How do you deal with project risk and mitigation strategies? How do you ensure accurate reporting? Hear from Geoff Roberts, Industry Strategist from Oracle Primavera. Geoff will look at how solutions can help to address the challenges around: Visibility and governance Communication and complex coordination Collecting and reporting progress Measuring and reporting It is imperative that organizations understand the impact projects can have on their business. Attend this webcast and understand how consistently delivering successful projects is vital to the financial success of an asset intensive organisation. Register today! Please forward this invite to your colleagues who you think may benefit from attending.

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• Get Smarter Just By Listening

  - by mark.wilcox

  Occasionally my friends ask me what do I listen/read to keep informed. So I thought I would like to post an update. First - there is an entirely new network being launched by Jason Calacanis called "ThisWeekIn". They have weekly shows on variety of topics including Startups, Android, Twitter, Cloud Computing, Venture Capital and now the iPad. If you want to keep ahead (and really get motivated) - I totally recommend listening to at least This Week in Startups. I also find Cloud Computing helpful. I also like listening to the Android show so that I can see how it's progressing. Because while I love my iPhone/iPad - it's  important to keep the competition in the game up to improve everything. I'm also not opposed to switching to Android if something becomes as nice experience - but so far - my take on Android devices are  - 10 years ago, I would have jumped all over them because of their hackability. But now, I'm in a phase, where I just want these devices to work and most of my creation is in non-programming areas - I find the i* experience better. Second - In terms of general entertaining tech news - I'm a big fan of This Week in Tech. Finally - For a non-geek but very informative show - The Kevin Pollack Show on ThisWeekIn network gets my highest rating. It's basically two-hours of in-depth interview with a wide variety of well-known comedian and movie stars. -- Posted via email from Virtual Identity Dialogue

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• Learning HTML5 - Best of RSS

  - by Albers

  These are some of the best RSS feeds I've found for keeping up with HTML5. I'm doing jQuery & MVC development as well so you will find the links have a jQuery/MS angle to them. WhenCanIUse The oh-so-necessary caniuse.com, in RSS update format: http://feeds.feedburner.com/WhenCanIUse ScriptJunkie http://services.social.microsoft.com/feeds/feed/query/tag/scriptjunkieLearn/eq/ns/DiscoveryFeedTool/eq/andA good HTML, JavaScript, CSS site hosted by MS Rachel Appel's blog http://rachelappel.com/rss?containerid=13HTML5, JavaScript, and MVC links with a general MS angle Smashing Magazine http://rss1.smashingmagazine.com/feed/Really high quality articles with a focus towards the design side of the web development picture IEBlog blogs.msdn.com/b/ie/rss.aspxNo surprise - the focus is on IE10, but it is really a great resource for new browser tech. MisfitGeek http://feeds.feedburner.com/MisfitGeekJoe recently switched from MS to Mozilla. New job but he still puts out great Weekly Links summaries. The Big Web Show http://feeds.feedburner.com/bigwebshowA podcast covering web development & design topics Elijah Manor/Web Dev .NET I'm cheating on this one a little bit. Elijah is a fantastic JS & web development resource. He has a site at Web Dev .NET, but honestly these days you are better off following him on Google+ ...and you can of course sign up to follow the W3C as well, although I don't think there is an HTML5-specific RSS feed. Good luck!

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• What kind of code would Kent Beck avoid unit testing?

  - by tieTYT

  I've been watching a few of the Is TDD Dead? talks on youtube, and one of the things that surprised me is Kent Beck seems to acknowledge that there are just some kinds of programs that aren't worth unit testing. For example, right here DHH says that Kent Beck is ... very happy to say "Well, TDD doesn't fit in this case, I'm just going to bail" It's frustrating to me that Kent Beck seems to acknowledge this, but nobody asks him to elaborate on it or give concrete examples. I'd like to know the situations where Kent Beck thinks TDD is a bad fit. Nobody can read his mind or speak for him, but I'm hoping he's been transparent enough through his books/tweets/whatever for someone to be able to answer. I'm not necessarily going to take what he says as gospel, but it would be useful to know that the times I've tried TDD and it just felt impossible/useless are situations that he would have bailed on it himself. Or, if it turned out he would have tested that code it'd suggest to me that I was approaching the process very wrong. I also think it would be enlightening to understand why he would bail on such projects. My opinion on why this is not a duplicate of "When is it appropriate to not unit test?" After skimming those answers I'm not satisfied. For example, look at UncleBob's answer. He doesn't even acknowledge that such a situation exists. I really think there's value in understanding Kent Beck's position, not just a general, "What's your opinion?" type of question. After all, he's the father of TDD.

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• POST attack on my website

  - by benhowdle89

  Hi, I have a site (humanisms.co.uk) which incorporates a voting system, ie. user clicks "Up" and it sends a parameter to a PHP script via AJAX, the PHP inserts vote into MYSQL db and the new "Up" vote is sent back to the page to update the vote count. This is working great but i've noticed that the number of votes for one of my questions shot up last night. I viewed my webhosts access logs and saw this line: 108.27.195.232 - - [03/Mar/2011:15:20:18 +0000] "POST /vote.php HTTP/1.1" 200 2 "http://www.humanisms.co.uk/" "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_6; en-US) AppleWebKit/534.16 (KHTML, like Gecko) Chrome/10.0.648.114 Safari/534.16" This is repeated well over 100 times and sometimes more than once a second. Now i know they probably arent sitting there clicking Vote but running some sort of PHP loop? I'm not worried about SQL injection but what can i do to prevent this same IP address from doing this or what can i do in general to avoid this scenario. I should also say that there's no login so anyone can click using the voting system. Thanks

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• a young intellect asks: Python or Ruby for freelance?

  - by Sophia

  Hello, I'm Sophia. I have an interest in self-learning either Python, or Ruby. The primary reason for my interest is to make my life more stable by having freelance work = $. It seems that programming offers a way for me to escape my condition of poverty (I'm on the edge of homelessness right now) while at the same time making it possible for me to go to uni. I intend on being a math/philosophy major. I have messed with Python a little bit in the past, but it didn't click super well. The people who say I should choose Python say as much because it is considered a good first language/teaching language, and that it is general-purpose. The people who say I should choose Ruby point out that I'm a very right-brained thinker, and having multiple ways to do something will make it much easier for me to write good code. So, basically, I'm starting this thread as a dialog with people who know more than I do, as an attempt to make the decision. :-) I've thought about asking this in stackoverflow, but they're much more strict about closing threads than here, and I'm sort of worried my thread will be closed. :/ TL;DR Python or Ruby for freelance work opportunities ($) as a first language? Additional question (if anyone cares to answer): I have a personal feeling that if I devote myself to learning, I'd be worth hiring for a project in about 8 weeks of work. I base this on a conservative estimate of my intellectual capacities, as well as possessing motivation to improve my life. Is my estimate necessarily inaccurate? random tidbit: I'm in Portland, OR I'll answer questions that are asked of me, if I can help the accuracy and insight contained within the dialog.

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• I want to build a Virtual Machine, are there any good references?

  - by Michael Stum

  I'm looking to build a Virtual Machine as a platform independent way to run some game code (essentially scripting). The Virtual Machines that I'm aware of in games are rather old: Infocom's Z-Machine, LucasArts' SCUMM, id Software's Quake 3. As a .net Developer, I'm familiar with the CLR and looked into the CIL Instructions to get an overview of what you actually implement on a VM Level (vs. the language level). I've also dabbled a bit in 6502 Assembler during the last year. The thing is, now that I want¹ to implement one, I need to dig a bit deeper. I know that there are stack based and register based VMs, but I don't really know which one is better at what and if there are more or hybrid approaches. I need to deal with memory management, decide which low level types are part of the VM and need to understand why stuff like ldstr works the way it does. My only reference book (apart from the Z-Machine stuff) is the CLI Annotated Standard, but I wonder if there is a better, more general/fundamental lecture for VMs? Basically something like the Dragon Book, but for VMs? I'm aware of Donald Knuth's Art of Computer Programming which uses a register-based VM, but I'm not sure how applicable that series still is, especially since it's still unfinished? Clarification: The goal is to build a specialized VM. For example, Infocom's Z-Machine contains OpCodes for setting the Background Color or playing a sound. So I need to figure out how much goes into the VM as OpCodes vs. the compiler that takes a script (language TBD) and generates the bytecode from it, but for that I need to understand what I'm really doing. ¹ I know, modern technology would allow me to just interpret a high level scripting language on the fly. But where is the fun in that? :) It's also a bit hard to google because Virtual Machines is nowadays often associated with VMWare-type OS Virtualization...

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• 2 year degree plus experience vs 4 year degree

  - by CenterOrbit

  Alright, I have searched around a bit on this site and found two somewhat similar questions: Computer Science Programming Certificate vs. Computer Science Degree? Is it possible/likely to be paid fairly without a college degree? But these do not provide an answer specifically to what I am seeking. I have my 2 year A.A.S. Degree in computer programming, along with a networking certificate from a technical college. I also have been working at a small educational game development company for 3 years now in various positions, but steadily moving up and now as a lead programmer on a few projects. Some of the higher programmers I work with claim that no matter how much experience I develop it still will not mean as much as someone with a 4 year degree. Their argument is that most employers will look over my resume because of the common '4 yr' minimum requirement. I have also heard people state (not as many though) that experience is everything and that an employer would rather have someone that has worked in the field instead of a rookie fresh out of college. I have heard both sides of this argument, but am looking for a general consensus, or more arguments from both sides from the people who have been there, or are there.

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