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Another very simple pattern builds on the foundation of the Safe-Unsafe Cache pattern. What is the easiest way to protect data from multi-threaded access and to incur the minimal performance cost while doing so? Making it read-only!

"ASP .net has no respect." Rick Strahl writes. Then, what has respect in web development? Java, Python, Php, ruby, ...? Some skin-deep statistics first: What has the magnet for the job market?

Only In A Database Can You Get 1000% + Improvement By Changing A Few Lines Of Code. In this case the query run time went from 24 hours+ to 36 seconds!!!

Why exposing the database through a web-service (RESTful or otherwise) is wrong.

Garbage Collection sure is great, isn’t it? We don’t have to keep track of all the memory we’ve allocated and we don’t need to release that memory when it’s no longer needed. Because that is after all what the Garbage Collector does for us, without us having to worry about it. This is actually a widespread misconception among many .NET developers. It’s true that Garbage Collection makes memory management a lot easier, but we simply can’t rely on it all the time. There are most certainly some things you must always keep in mind when it comes to memory management in .NET.

For some reason, there are some people who write web sites with PHP, but put the ".aspx" extension at the end of their files. WHY???

This is the first of number of posts to come on getting started with jQuery with no previous knowledge of the framework. Over the course, various jQuery Plug-Ins will be used and discussed along with gradual integration with traditional ASP.Net 2.0 web applications components (i.e. Master Pages, User Controls, and ASP.Net AJAX).

A paper by Thibaud Lopez Schneider shows that we can transform a function written with conventional control structures and synchronous function calls into a set of callback functions that work in an asychronous environment, such as an RIA that uses XHR. Longer-term, tools may evolved that will automate this process, to simplify the development of correct asynchronous applications.

A short screencasts on how to do XML Data Manipulation with XLinq

A better way to create a single instance application

Visual Studio 2008 SP1 introduces significant new functionality as ADO.NET expands and evolves to change the way that we program against data. Between the Visual Studio 200 SP1 beta and RTM , there are a number of fixes and even a few new things to be found. What's in ADO.NET? Check out the list below for what's new in the Entity Framework and Entity Designer.

PowerShell provides the += operator to add one hash table to another hash table. By default this operation will result in an error, if both hash tables have at least one key that is common in both collections. In some cases you may want to have a more granular control. For example, you don't want to get an error, if not only the key, but also the value is common in both collections. On top of this somebody might want to allow an overwrite, if the key and the value are going to be identical as result of the merge. This could be useful, if the hash table is used as template for replacing strings. Updating the master table by adding a key value pair that refers to the same string would mean to exclude this particular replacement pair from the replacement transactions.

The questions mentioned here are usually asked for intermediate users having relevant years of relevant ASP.NET experience.

In the past year I have been passionately fighting what Simon Peyton Jones calls "the effects monster", although often it feels like I am fighting windmils instead. No useful programs can be written without effects, but effects turn bad when they are observable from within the program itself. Instead we should strive for encapsulating effects such that they become harmless first class pure values, but more on that in the future. In this first installment in a longer series on the perils of side-effects, we will look at one of the most beautiful examples of observable effects, namely closures and variable capture in imperative languages.

Great news folks, it looks like the Visual Studio 2008 Service Pack 1 has finally released, although IMHO it's more of a Feature Pack (since new features have been added as well). You'll see some greate new features like The ADO.NET Entity Framework and some new ASP.NET Extensions.

In this writing, I have tried to sum up some important links and points related to the Visual Studio 2008 Service Pack 1 (SP1) release.

As C# has evolved over the past few years, there’s more and more to remember. You’ll find this reference card useful whatever type of C# project you’re working on, and whichever version of C# you’re using. It covers many topics, from the basics of string escape sequences to the brave new world of query expressions and LINQ in C# 3. Features include String Literals, Delegates, Declaring Events, Generics, Extension Methods, Query Expressions (C# 3), Hot Tips and more.

An internal Microsoft document viewed by SD Times cautions that "revamp growth" of .NET's libraries and a lack of coordination among concepts threaten to undermine the framework, making it less approachable for developers.