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How to get a random number in Ruby
... them with:
10.times.map{ 20 + Random.rand(11) }
#=> [26, 26, 22, 20, 30, 26, 23, 23, 25, 22]
Note:
Using Random.new.rand(20..30) (using Random.new) generally would not be a good idea, as explained in detail (again) by Marc-André Lafortune, in his answer (again).
But if you don't use Rand...
Sourcetree - undo unpushed commits
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351
Right click on the commit you like to reset to (not the one you like to delete!)
Select "Rese...
How to replace a character with a newline in Emacs?
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433
M-x replace-string RET ; RET C-q C-j.
C-q for quoted-insert,
C-j is a newline.
Cheers!
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How to get href value using jQuery?
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356
You need
var href = $(this).attr('href');
Inside a jQuery click handler, the this object re...
Remove insignificant trailing zeros from a number?
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143
If you convert it to a string it will not display any trailing zeros, which aren't stored in the...
How to get awaitable Thread.Sleep?
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334
The other answers suggesting starting a new thread are a bad idea - there's no need to do that...
Debugging JavaScript in IE7
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BobBob
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RuntimeException: Unable to instantiate application
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13 Answers
13
Active
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Multiline syntax for piping a heredoc; is this portable?
...ere-doc EOF2 ``` The above does not work.
– user1424739
Jun 1 '15 at 0:29
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Can I draw rectangle in XML?
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230
Yes you can and here is one I made earlier:
<?xml version="1.0" encoding="UTF-8"?>
<s...