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October 2007 - Posts

ASP.NET Crash: System.Security.Cryptography.CryptographicException

Posted Wednesday, October 31, 2007 4:20 PM by Tess
This has been a busy month for blogging for me, I'm up to a whopping 8 posts this month including this one which is the most I have written in any given month (since Feb 2006)... We have seen a few cases lately where ASP.NET apps die due to an unhandled Read More...
10 Comments

Performance Testing Web Applications - New Patterns and Practices guide

Posted Saturday, October 27, 2007 11:43 PM by Tess
One of my old colleagues J.D. Meier has written a performance testing guide with the Patterns and Practices team. Here is a link to the guide, it's well worth reading: http://blogs.msdn.com/jmeier/archive/2007/10/27/now-on-msdn-patterns-practices-performance-testing-guidance-for-web-applications.aspx Read More...
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Why is my app performing worse on .NET 2.0 than on 1.1 (or why aren't the oranges at work as tasty as the apples at home?)

Posted Thursday, October 25, 2007 3:25 PM by Tess
If you were to compare the taste of the oranges in the fruit basket at work to the taste of the apples you bought on your way home and realize that they taste differently, what would your conclusion about the difference in taste be? a) They taste differently Read More...
3 Comments

.NET Hang case study - High CPU because of poorly formatted regular expressions (Identifying tight loops)

Posted Thursday, October 25, 2007 12:46 PM by Tess
Sometimes you hear and accept advice but you don't really know the details behind it. That has always been the case with me and high CPU situations caused by badly formatted regular expressions. The reason I haven't really bothered to find out why is Read More...
13 Comments

My Team is Hiring

Posted Tuesday, October 23, 2007 9:32 AM by Tess
Time for a commercial break, If you read this blog you probably know what I do. If it is something that you would like to do for a living, now is your chance! My team (the Microsoft EMEA Internet Support Team) is hiring. We are primarily looking for a Read More...
10 Comments

ASP.NET 2.0 OutputCaching - Download dialog box after browsing with SmartPhone

Posted Monday, October 22, 2007 3:56 PM by Tess
A few days ago I got an interesting case with a customer who intermittently kept getting a download box with Safari and a similar one telling him that he has choosen to open Default.aspx, do you want to open or save the file, when browsing the site with Read More...
4 Comments
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.NET Finalizer Memory Leak: Debugging with sos.dll in Visual Studio

Posted Friday, October 19, 2007 5:01 PM by Tess
Normally I write about issues that only manifest themselves in production environment, issues that you can't really reproduce in a controlled dev environment every time you perform a certain action. In those cases you need to use tools like windbg to Read More...
8 Comments

Creating dumps with Windbg and writing ADPlus Config files

Posted Tuesday, October 09, 2007 9:53 AM by Tess
My colleague Carlo just wrote a post on how to create dumps and how to configure ADPlus with config files, that I thought was really useful http://blogs.msdn.com/carloc/archive/2007/10/08/ok-now-how-do-i-capture-my-dump.aspx He also talks a little about Read More...
5 Comments
 
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