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Determine installed PowerShell version

How can I determine what version of PowerShell is installed on a computer, and indeed if it is installed at all? 19 Answers...
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Eclipse hangs at the Android SDK Content Loader

...lease 20120920-0800) on OS X 10.8.2 for a few weeks now, building apps for Android 3.0 and above. I have a quad core i7 MacBook Pro with an SSD, so performance is not an issue. Everything was fine. ...
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How are GCC and g++ bootstrapped?

This has been bugging me for a while. How do GCC and g++ compile themselves? 1 Answer ...
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Why do we need the “event” keyword while defining events?

I don't understand why do we need the "event" keyword while defining events, when we can do the same thing without using "event" keyword, just by using the delegates. ...
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Restricting input to textbox: allowing only numbers and decimal point

How can I restrict input to a text-box so that it accepts only numbers and the decimal point? 32 Answers ...
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Visual Studio debugging “quick watch” tool and lambda expressions

...ariables become fields on compiler-generated classes), with a bit of smoke and mirrors. As such, I'm not in the least surprised that you can't use them idly - there is a lot of compiler work (and type generation behind the scenes) that supports this magic. ...
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.NET HashTable Vs Dictionary - Can the Dictionary be as fast?

I am trying to figure out when and why to use a Dictionary or a HashTable. I have done a bit of a search on here and have found people talking about the generic advantages of the Dictionary which I totally agree with, which leads the boxing and unboxing advantage for a slight performance gain. ...
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Covariance and contravariance real world example

I'm having a little trouble understanding how I would use covariance and contravariance in the real world. 9 Answers ...
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What is an anti-pattern?

I am studying patterns and anti-patterns. I have a clear idea about patterns, but I don't get anti-patterns. Definitions from the web and Wikipedia confuse me a lot. ...
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Is there a “theirs” version of “git merge -s ours”?

...ork as expected. Of course, doing the actual removal with the git rm command will prevent the conflict from happening in the first place. Note: A longer form option also exists. To use it, replace: -X theirs with: --strategy-option=theirs ...