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How do I remove duplicate items from an array in Perl?

..., but if you were to add sorting in this function then it would trump $::a and $::b, wouldn't it? – vol7ron Feb 21 '12 at 16:45 5 ...
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Deleting a file in VBA

...; "") End Function I'll leave it to you to figure out the various error handling needed but these are among the error handling things I'd be considering: Check for an empty string being passed. Check for a string containing characters illegal in a file name/path 2.) How To Delete a File. Look...
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How to delete from a text file, all lines that contain a specific string?

... To remove the line and print the output to standard out: sed '/pattern to match/d' ./infile To directly modify the file – does not work with BSD sed: sed -i '/pattern to match/d' ./infile Same, but for BSD sed (Mac OS X and FreeBSD) –...
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In-Place Radix Sort

...rt for DNA. It's written in D because that's the language that I use most and therefore am least likely to make silly mistakes in, but it could easily be translated to some other language. It's in-place but requires 2 * seq.length passes through the array. void radixSort(string[] seqs, size_t base...
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What is the opposite of :hover (on mouse leave)?

... If I understand correctly you could do the same thing by moving your transitions to the link rather than the hover state: ul li a { color:#999; transition: color 0.5s linear; /* vendorless fallback */ -o-transition: c...
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Set select option 'selected', by value

...his is the best solution if the desired value may or may not be an option, and you don't want to make a change if it isn't an option. If you use .val() on the select and try to pick a value that isn't there it will deselect everything. – Wally Altman Jun 19 '1...
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Copy to clipboard in Node.js?

... you wanted this to work on X for example, you would need bindings to Xlib and/or XCB. Xlib bindings for node actually exist: https://github.com/mixu/nwm. Although I'm not sure whether it gives you access to the X clipboard, you might end up writing your own. You'll need separate bindings for window...
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Asynchronously wait for Task to complete with timeout

... completed after X milliseconds, I want to display a message to the user. And if it hasn't completed after Y milliseconds, I want to automatically request cancellation . ...
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How to install an APK file on an Android phone?

I have a simple "Hello Android" application on my computer ( Eclipse environment), and I have built an APK file. How do I transfer the APK file to my Android phone for testing? ...
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Windows shell command to get the full path to the current directory?

Is there a Windows command line command that I can use to get the full path to the current working directory? 14 Answers ...