Tag Archives: .NET

Solved: Bug in memcached client library .Net port causes inconsistent key distribution

Posted on April 27, 2012 by jrothmanshore

Memcached is most popularly used in php and java applications, but it’s a great technology that can integrate with anything.  For those with programs in the .Net world, there is a .Net memcached client library, which is a port called … Continue reading →

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Performance: generate web traffic load using a powershell script

Posted on March 14, 2012 by jrothmanshore

The other day, I found myself wanting a quick and dirty way to throw a controlled amount of load against a server for the purpose of tuning some thread settings.  What I wanted was to simulate varying numbers of concurrent … Continue reading →

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Solved: Invoke a cygwin script from an asp.net web application and stream the output to the browser in real time

Posted on January 6, 2012 by jrothmanshore

For back-end system monitoring like log analysis, I frequently use cygwin scripts to process data.  These tools are often useful for diagnosing issues or checking whether a problem could be specific to one server in a pool.  I’ve wanted to … Continue reading →

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Debugging: Use Fiddler and WebProxy to debug HttpWebRequest / HttpWebResponse issues in ASP.NET

Posted on July 13, 2011 by jrothmanshore

We recently found ourselves debugging code that was making web requests to another server.  If we hit the server manually in a web browser, it worked fine, but when we ran it through the code simulating the request using HttpWebRequest, … Continue reading →

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Solved: ASP.NET Web Services using POST only work on localhost by default

Posted on April 13, 2011 by jrothmanshore

This information isn’t exactly secret, but it took a bit of googling around to piece the answer together, so I wanted to share it in a more condensed form.   We are in the process of migrating some legacy ASP … Continue reading →

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Performance: speed up creation of ASP.NET DataSet objects

Posted on March 29, 2011 by jrothmanshore

During some recent performance tuning work, I took a look at a method that was taking around 450 ms. The primary task of the function was to build a relatively large DataSet object, with around 350 rows and over 110 … Continue reading →

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Performance Tuning: Clear hidden form variables to avoid unnecessarily large post backs #browser #html #javascript

Posted on December 17, 2010 by jrothmanshore

To create rich web applications, it is fairly common to encode data in JSON on the server and then manipulate it using javascript on the client.  For example, when creating a rich Datatable in YUI, rather than rendering the data … Continue reading →

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Recent ASP.NET security patch KB2416471 can break CompositeScript elements

Posted on November 24, 2010 by jrothmanshore

Microsoft released a patch (KB2416471) to fix a security vulnerability where a malicious party could use errors generated in the application to decrypt the data used in certain requests.  In theory, the fix should not require changes in the application. … Continue reading →

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