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pinfaq
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pinfaq is a Q&A website to share knowledge on information technology
pinfaq is a Q&A website to share knowledge on information technology

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Checkout the new website of www.pinfaq.com we made it as mobile friendly now.

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I have been asked in one of my interview about Lambda expressions? They asked me whether I have used Lambda expression for doing validations in any of my applications. Shall we use lambda expression for doing validation? How we do that?

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I am learning WCF services and writing some sample services. So, first I created a WCF serviece with some operation contract. I have hosted that service .............

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How to use async and await keywords to create asynchronous method in C# 4.5? How does it work? Will it increase the performance or it is for some different purpose? What is the concept behind these two keywords

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Could please help me understand what is REST services? Why do we call the Service as REST and How it is different from regular SOAP services? What would be the benefit if I use REST Service? When should I use one over the other?

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I do not understand what is the purpose of dependency object. What kind of features it provide in WPF programming? Should I create all my objects in as dependency object when I work in a WPF application?

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We are working on adding new things to the site, which will help the users to find what they need, very easy and the screens will be responsive. Also we are adding new features to promote users in different platform based on user's activity on the website. Any suggestions would be considered for user experience and site improvement.

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