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Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
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153
Yes, there is a difference. These are legal:
h = { :$in => array }
h = { :'a.b' => 'c' ...
How can I respond to the width of an auto-sized DOM element in React?
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answered Oct 8 '15 at 23:10
AndyAndy
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How can I open the interactive matplotlib window in IPython notebook?
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edited Nov 25 '15 at 20:07
rll
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answer...
How to calculate an angle from three points? [closed]
...m/c/cosine_inverse.htm
– Matt W
Feb 15 '12 at 9:26
@Rafa Firenze cos^-1 is a common notation for acos, but acos is les...
JS: Check if date is less than 1 hour ago?
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158
Define
var ONE_HOUR = 60 * 60 * 1000; /* ms */
then you can do
((new Date) - myDate) < ...
How to check if click event is already bound - JQuery
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answered Jun 15 '11 at 17:07
lonesomedaylonesomeday
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How to quit scala 2.11.0 REPL?
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edited Feb 16 '15 at 10:19
answered Apr 23 '14 at 8:37
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Java logical operator short-circuiting
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answered Jan 6 '12 at 15:10
Bohemian♦Bohemian
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How do you make lettered lists using markdown?
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answered Mar 15 '13 at 0:01
creativecodercreativecoder
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Array include any value from another array?
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answered Oct 15 '10 at 11:55
NakilonNakilon
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