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Convert timestamp in milliseconds to string formatted time in Java

I am trying to convert a long value ( number of milliseconds elapsed from 1/1/1970 i.e. Epoch ) to time of format h:m:s:ms . ...
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Changing every value in a hash in Ruby

... If you want the actual strings themselves to mutate in place (possibly and desirably affecting other references to the same string objects): # Two ways to achieve the same result (any Ruby version) my_hash.each{ |_,str| str.gsub! /^|$/, '%' } my_hash.each{ |_,str| str.replace "%...
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How do I set up IntelliJ IDEA for Android applications?

How do I set up IntelliJ IDEA for Android applications? 7 Answers 7 ...
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Detecting input change in jQuery?

When using jquery .change on an input the event will only be fired when the input loses focus 8 Answers ...
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How to discard local commits in Git?

I'd been working on something, and decided it was completely screwed...after having committed some of it. So I tried the following sequence: ...
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Concrete Javascript Regex for Accented Characters (Diacritics)

I've looked on Stack Overflow ( replacing characters.. eh , how JavaScript doesn't follow the Unicode standard concerning RegExp , etc.) and haven't really found a concrete answer to the question: ...
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How do I find the .NET version?

... Just type any one of the below commands to give you the latest version in the first line. 1. CSC 2. GACUTIL /l ? 3. CLRVER You can only run these from the Visual Studio Command prompt if you have Visual Studio installed, or else ...
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switch case statement error: case expressions must be constant expression

My switch-case statement works perfectly fine yesterday. But when I run the code earlier this morning eclipse gave me an error underlining the case statements in color red and says: case expressions must be constant expression, it is constant I don't know what happened. Here's my code below: ...
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How can I select random files from a directory in bash?

I have a directory with about 2000 files. How can I select a random sample of N files through using either a bash script or a list of piped commands? ...
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Why array implements IList?

...dex, and IList/IList<T> is are the only collection interfaces that support this. So perhaps your real question is "Why is there no interface for constant collections with indexers?" And to that I have no answer. There are no readonly interfaces for collections either. And I'm missing those ev...