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C# “as” cast vs classic cast [duplicate]

... With the "classic" method, if the cast fails, an InvalidCastException is thrown. With the as method, it results in null, which can be checked for, and avoid an exception being thrown. Also, you can only use as with reference types, so if you are typecasting to a value type, you must still use ...
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Should functions return null or an empty object?

What is the best practice when returning data from functions. Is it better to return a Null or an empty object? And why should one do one over the other? ...
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Avoid synchronized(this) in Java?

...chronization, some people are very eager to point out that synchronized(this) should be avoided. Instead, they claim, a lock on a private reference is to be preferred. ...
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What is the difference between SQL, PL-SQL and T-SQL?

What is the difference between SQL, PL-SQL and T-SQL? 6 Answers 6 ...
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How and/or why is merging in Git better than in SVN?

I've heard in a few places that one of the main reasons why distributed version control systems shine, is much better merging than in traditional tools like SVN. Is this actually due to inherent differences in how the two systems work, or do specific DVCS implementations like Git/Mercurial just ha...
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Is there a way to measure how sorted a list is?

Is there is a way to measure how sorted a list is? 9 Answers 9 ...
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What is 'Context' on Android?

In Android programming, what exactly is a Context class and what is it used for? 30 Answers ...
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constant pointer vs pointer on a constant value [duplicate]

What is the difference between the following declarations? 11 Answers 11 ...
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Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference

Given the following examples, why is outerScopeVar undefined in all cases? 6 Answers ...
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What is an existential type?

I read through the Wikipedia article Existential types . I gathered that they're called existential types because of the existential operator (∃). I'm not sure what the point of it is, though. What's the difference between ...