.NET Tips and Tricks

About a year ago i had to architucture some web application with a very rich client side UI.

ASP.NET was an easy choise for a server side code, but what about client side ?
The heavy viewstate, endless event handlers and infinity number of server side requests just to make the GUI  friendly – well, it just didn’t sound as a proper way to do it.

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I’m pretty sure all of you know the WebRequest and it’s derived class HttpWebRequest.
And what a marvelous property both of them have – the TimeOut.

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Let’s say you have to parse some HTML, find all images or some other DOM elements make some changes/optimizations and save the result. What can you do ?

Well, i needed something like that a few days ago and after Googling for couple of hours I ran across this this great library called HtmlAgilityPack.

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I have two simple questions for you about boolean values in Javascript.
When will browser show alert message:

        if (a-b) alert("it's true!");

And another one
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This post is somehow related to my previous post about javascript function context.  Recently I helped one of my friends to debug a very funny problem. He told me that his inline event handler doen’t work, because he could not pass this object to his function.
You probably wonder what did I find?
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Another great interview question.

Will the following code compile and if yes what will be the result of it ?
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How many times you had problem or were asked about what happened to this object in your function? Or why this is not an object you expect it to be? Probably these times you have to remind yourself or your fellow programmer about function context.
First of all I have to ask you all a pretty lame question. If you write function in JS block right inside your HTML, what this keyword will refer to?

<script type="text/javascript">
		function testThis(){
		  //who is "this"
		}
</script>

And now to the real example.
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I suppose all of you have suffered all those terrible memory leaks in Internet Explorer.
Sometimes it’s bearable, but most of the time it’s not. I say enough is enough !

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This one is a great c# interview question – short and simple, but tricky.

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A couple of days ago i found a great framework called AForge.NET.

AForge.NET is a C# framework designed for developers and researchers in the fields of Computer Vision and Artificial Intelligence – image processing, neural networks, genetic algorithms, machine learning, robotics, etc.

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