C# language

Using custom font in WPF application

Recently I had some troubles with relatively simple scenario: applying custom font to TextBlock in my WPF application. As it turned out the case is not so trivial. I published an article that I hope will help you in such situations. Direct link is here: [DIRECT LINK]
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GroupJoin method tutorial

I finally managed to publish a detailed tutorial about LINQ`s GroupJoin method which I promised long ago. Sorry for being so late It is available here [DIRECT LINK]
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LINQ: GroupBy and GroupJoin tutorials

It has been a while since I published my last article on my blog. Now I`m back hoping to deliver you interesting stuff about advanced methods in LINQ. First article describes the most complex overload of GroupBy method in little details and is available here [DIRECT LINK]. The second one - which will be published soon - shall describe GroupJoin method
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Expression trees manual

Expression trees was the last feature of C# 3.0 that I didn`t feel comfortable about. So I got to the bottom of them and prepared concise article for everyone interested in this topic. Comments are appreciated! Here`s direct link: DIRECT LINK
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Nice trick for collections of anynomous objects

Lately during development I have encountered a problem while operating on collections using anonymous types, LINQ and lambda expressions. The solution turned out to be quite simple and short, yet very usefull. Short article presenting this problem as well as its solution is available in articles section. Here`s direct link: DIRECT LINK
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Covariance and contravariance demystified

New article regarding covariance, contravariance and invariance in C# language has just been posted in C# category [click here for direct link]. Comments are welcome
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Anders Hejlsberg on C# 4.0

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