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How is performance affected by an unused using directive?

...se will be – Riegardt Steyn Jul 13 '12 at 7:07 add a comment  |  ...
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Any equivalent to .= for adding to beginning of string in PHP?

... – Pierre-Olivier Vares Dec 27 '17 at 12:01 add a comment  |  ...
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Why start a shell command with a backslash?

...es in scripts. – Adrian Günter Apr 12 '18 at 19:49  |  show 1 more comment ...
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Does ARC support dispatch queues?

...ve-C objects. – Jody Hagins Sep 26 '12 at 15:34 3 There's an interesting edge case. If your libra...
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Is it a good idea to use Google Guava library for Android development?

...uava/google-guava – albertpeiro Mar 12 '14 at 12:52 7 ...
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What is __declspec and when do I need to use it?

...t's a bliss! – MasterMastic Aug 14 '12 at 21:29 add a comment  |  ...
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Find rows with multiple duplicate fields with Active Record, Rails & Postgres

... and you'll get a result set back that looks like this: {[nil, nil]=>512, ["Joe", "test@test.com"]=>23, ["Jim", "email2@gmail.com"]=>36, ["John", "email3@gmail.com"]=>21} Thought that was pretty cool and hadn't seen it before. Credit to Taryn, this is just a tweaked version of he...
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How do I get the name of a Ruby class?

... Hans Z 4,25011 gold badge2121 silver badges4646 bronze badges answered May 5 '09 at 18:15 flickenflicken ...
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HttpServletRequest - how to obtain the referring URL?

...amp; "Referer" ? – ante.sabo Nov 2 '12 at 12:06 7 @ante: no, the header lookup is case insensitiv...
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datatrigger on enum to change image

... | edited Dec 18 '12 at 16:03 answered Dec 17 '12 at 15:48 ...