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Why check both isset() and !empty()

Is there a difference between isset and !empty . If I do this double boolean check, is it correct this way or redundant? and is there a shorter way to do the same thing? ...
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Casting to string in JavaScript

...avaScript. I searched for those three options in the jQuery source code, and they are all in use . I would like to know if there are any differences between them: ...
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Homebrew install specific version of formula?

...en two installed versions. (*) If you have been using homebrew for longer and never removed older versions (using, for example brew cleanup), chances are that some older version of your program may still be around. If you want to simply activate that previous version, brew switch is the easiest way...
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How to rsync only a specific list of files?

...'re looking for a specific list of files, putting them directly on the command line instead: # rsync -avP -e ssh `cat deploy/rsync_include.txt` root@0.0.0.0:/var/www/ This is assuming, however, that your list isn't so long that the command line length will be a problem and that the rsync_include....
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Make copy of an array

...Let's say a = [1,2,3,4,5] . I need to make an exact duplicate copy of a and call it b . If a were to change to [6,7,8,9,10] , b should still be [1,2,3,4,5] . What is the best way to do this? I tried a for loop like: ...
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How to delete projects in IntelliJ 12?

...of the project you just deleted. So I am thinking there should be another (and really easy way) to delete a project. 10 Ans...
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Difference between angle bracket < > and double quotes “ ” while including header files in C++? [dup

What is the difference between angle bracket &lt; &gt; and double quotes " " while including header files in C++? 2 Ans...
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Where to place JavaScript in an HTML file?

...rs download components. Of course Levi's comment "just before you need it and no sooner" is really the correct answer, i.e. "it depends". share | improve this answer | follo...
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GitHub Error Message - Permission denied (publickey)

Anybody seen this error and know what to do? 36 Answers 36 ...
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Can't Find Theme.AppCompat.Light for New Android ActionBar Support

... You need to do next: File-&gt;Import (android-sdk\extras\android\support\v7). Choose "AppCompat" Project-&gt; properties-&gt;Android. In the section library "Add" and choose "AppCompat" That is all! Note: if you are using "android:showAsAction" in men...