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From an array of objects, extract value of a property as array
...Array.map(function(a) {return a.val;});
TL;DR - .map() is slow, but feel free to use it if you feel readability is worth more than performance.
Edit #2: 6/2019 - jsPerf link broken, removed.
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LINQ: Distinct values
...dit when I get time, if you are working in this domain at the moment, feel free to edit
– Ricky G
Jul 1 '17 at 3:44
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How to call shell commands from Ruby
...Ruby script from a friend of mine. If you want to improve the script, feel free to update it at the link.
First, note that when Ruby calls out to a shell, it typically calls /bin/sh, not Bash. Some Bash syntax is not supported by /bin/sh on all systems.
Here are ways to execute a shell script:
cm...
Is there a real solution to debug cordova apps [closed]
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Have you tried 'GapDebug'? Its free.
It appears to integrate versions of the Safari Webkit Inspector and Chrome Dev Tools to offer an integrated debugging experience on OS X and Windows.
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Does delete on a pointer to a subclass call the base class destructor?
...ctor of A will run when its lifetime is over. If you want its memory to be freed and the destructor run, you have to delete it if it was allocated on the heap. If it was allocated on the stack this happens automatically (i.e. when it goes out of scope; see RAII). If it is a member of a class (not a...
Private and Protected Members : C++
...ted, and make your members private. If you have a very good reason to give free access of the mother class' internals to its derived classes, then you can make them protected.
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how to detect search engine bots with php?
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I've written a library in Java that performs these checks for you. Feel free to port it to PHP. It's on GitHub: https://github.com/optimaize/webcrawler-verifier
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Working copy XXX locked and cleanup failed in SVN
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A free DI SQL Spy would also do the trick: yunqa.de/delphi/doku.php/products/sqlitespy/index
– Ivelin Nikolaev
Jan 14 '13 at 15:34
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Set UILabel line spacing
...he best solution (no offense!), but it is by far the simplest. I used the free (Windows) software Type Light (and under Font | Metrics | Advanced you can modify lineGap) to edit my fonts. It also allows you to "rename" the fonts, which I couldn't figure out how to do using the tool Philippe mentio...
What is the Windows equivalent of the diff command?
...y recommend it - it is open-source, light-weight, and in my experience bug-free.
– david.barkhuizen
May 9 '14 at 9:51
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