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How to create directories recursively in ruby?

... file as /a/b/c/d.txt, but I do not know if any of these directories exist and need to recursively create them if necessary. How can one do this in ruby? ...
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JQuery: How to call RESIZE event only once it's FINISHED resizing?

... I just tried running this and it appears to run TWICE. I replaced "// do stuff" with "$("body").append("<br/>DONE!");" and it calls it TWICE on a browser resize – nickb Nov 28 '10 at 19:50 ...
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PHP: merge two arrays while keeping keys instead of reindexing?

How can I merge two arrays (one with string => value pairs and another with int => value pairs) while keeping the string/int keys? None of them will ever overlap (because one has only strings and the other has only integers). ...
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Get program execution time in the shell

...nt to execute something in a linux shell under a few different conditions, and be able to output the execution time of each execution. ...
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Custom exception type

...sfated posted above with the enhancement that stack traces work on Firefox and other browsers. It satisfies the same tests that he posted: Usage: throw new InvalidArgumentException(); var err = new InvalidArgumentException("Not yet..."); And it will behave is expected: err instanceof InvalidAr...
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How do I list loaded plugins in Vim?

...vimrcs loaded (super) :verbose set history? : reveals value of history and where set :function : list functions :func SearchCompl : List particular function share | impr...
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Unique combination of all elements from two (or more) vectors

... this maybe what you are after > expand.grid(a,b) Var1 Var2 1 ABC 2012-05-01 2 DEF 2012-05-01 3 GHI 2012-05-01 4 ABC 2012-05-02 5 DEF 2012-05-02 6 GHI 2012-05-02 7 ABC 2012-05-03 8 DEF 2012-05-03 9 GHI 2012-05-03 10 ABC 2012-05-04 11...
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How to force child div to be 100% of parent div's height without specifying parent's height?

... answer is applicable to legacy browsers without support for the Flexbox standard. For a modern approach, see: https://stackoverflow.com/a/23300532/1155721 I suggest you take a look at Equal Height Columns with Cross-Browser CSS and No Hacks. Basically, doing this with CSS in a browser compatibl...
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What is the fastest way to create a checksum for large files in C#

... is that SHA256Managed reads 4096 bytes at a time (inherit from FileStream and override Read(byte[], int, int) to see how much it reads from the filestream), which is too small a buffer for disk IO. To speed things up (2 minutes for hashing 2 Gb file on my machine with SHA256, 1 minute for MD5) wra...
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NuGet behind a proxy

... proxy settings configuration since 1.4 version. But, I can't find any command line example. 13 Answers ...