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How can I declare and use Boolean variables in a shell script?

...!' fi Original Answer Caveats: https://stackoverflow.com/a/21210966/89391 the_world_is_flat=true # ...do something interesting... if $the_world_is_flat ; then echo 'Be careful not to fall off!' fi From: Using boolean variables in Bash The reason the original answer is included here is b...
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Does Haskell require a garbage collector?

... answered Mar 31 '12 at 6:50 reinerpreinerp 3,46211 gold badge1515 silver badges2020 bronze badges ...
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How do I check if a string contains a specific word?

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Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the La

...perty _keyStr: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=" // public method for encoding , encode: function (input) { var output = ""; var chr1, chr2, chr3, enc1, enc2, enc3, enc4; var i = 0; input = Base64._utf8_encode(input)...
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Performance of FOR vs FOREACH in PHP

...rotime(true) - $start, " Seconds\n"; And the results: Completed in 0.0073502063751221 Seconds Completed in 0.0019769668579102 Seconds Completed in 0.0011849403381348 Seconds Completed in 0.00111985206604 Seconds So if you're modifying the array in the loop, it's several times faster to use refe...
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What are C++ functors and their uses?

... 1053 A functor is pretty much just a class which defines the operator(). That lets you create objects...
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Match whitespace but not newlines

...U+1680 OGHAM SPACE MARK U+2000 EN QUAD U+2001 EM QUAD U+2002 EN SPACE U+2003 EM SPACE U+2004 THREE-PER-EM SPACE U+2005 FOUR-PER-EM SPACE U+2006 SIX-PER-EM SPACE U+2007 FIGURE SPACE U+2008 PUNCTUATION SPACE U+2009 THIN SPACE U+200A HAIR SPACE U+202F NARROW NO-BREAK SPACE U+205F MEDIUM MATHEMATICAL SP...
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What is a “thread” (really)?

... | edited Mar 5 '11 at 5:32 answered Mar 5 '11 at 5:23 Ben...
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How can I extract all values from a dictionary in Python?

I have a dictionary d = {1:-0.3246, 2:-0.9185, 3:-3985, ...} . 11 Answers 11 ...
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URL Fragment and 302 redirects

... 136 +150 Update ...