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How to check if a variable is not null?
I know that below are the two ways in JavaScript to check whether a variable is not null , but I’m confused which is the best practice to use.
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What are the differences between GPL v2 and GPL v3 licenses? [closed]
In simple terms, what are the reasons for, and what are the differences between the GPL v2 and GPL v3 open source licenses? Explanations and references to legal terms and further descriptions would be appreciated.
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Xcode 4 - build output directory
I have problems with setting up/locating my output files in Xcode4 (beta 5). They are placed somewhere in ~/Library/Developer/ugly_path/... . I can't even select "show in finder" on my products. It is the same for a simple C project, Foundation tool and even Cocoa bundle. A Debugging works fine.
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How and why does 'a'['toUpperCase']() in JavaScript work?
JavaScript keeps surprising me and this is another instance. I just came across some code which I did not understood at first. So I debugged it and came to this finding:
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kill -3 to get java thread dump
I am using kill -3 command to see the JVM's thread dump in unix. But where can I find the output of this kill command? I am lost!!
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Does C# have an equivalent to JavaScript's encodeURIComponent()?
In JavaScript:
7 Answers
7
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How to increase font size in NeatBeans IDE?
... and I am having a lot of trouble reading the text on my editor. I tried increasing the font size the usual way by going to
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Is there a Mutex in Java?
Is there a Mutex object in java or a way to create one?
I am asking because a Semaphore object initialized with 1 permit does not help me.
Think of this case:
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Android Fragment no view found for ID?
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