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What are all the escape characters?
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\a does not compile in javac 1.8.0_20: illegal escape character: String test = "\a";
– Ehryk
Mar 15 '15 at 18:18
3
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CSS background-image - What is the correct usage?
..... +1 for being clear on where the path starts.
– me_
Jan 14 '18 at 8:45
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How to create unit tests easily in eclipse [closed]
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Anything is standard eclipse?
– GC_
Jun 24 at 21:56
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Git diff output to file preserve coloring
...ion and open it in Notepad++ or Vim or SublimeText.
git diff > 20150203_someChanges.diff
Thanks @Monsingor
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Escaping ampersand character in SQL string
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Instead of
node_name = 'Geometric Vectors \& Matrices'
use
node_name = 'Geometric Vectors ' || chr(38) || ' Matrices'
38 is the ascii code for ampersand, and in this form it will be interpreted as a string, nothing else. I tried ...
Exporting a function in shell
...c writing, but only for current bash instance...
– vp_arth
May 3 '14 at 15:37
3
@vp_arth: If you ...
Toggle Checkboxes on/off
...found element:
$("input[name=recipients\\[\\]]").prop('checked', function(_, checked) {
return !checked;
});
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Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]
...ion.immutable.BitSet = BitSet(1, 2, 3)
scala> val shifted = bits map { _ + 1 }
shifted: scala.collection.immutable.BitSet = BitSet(2, 3, 4)
scala> val displayed = bits map { _.toString + "!" }
displayed: scala.collection.immutable.Set[java.lang.String] = Set(1!, 2!, 3!)
See how you always ...
Simple way to create matrix of random numbers
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You can drop the range(len()):
weights_h = [[random.random() for e in inputs[0]] for e in range(hiden_neurons)]
But really, you should probably use numpy.
In [9]: numpy.random.random((3, 3))
Out[9]:
array([[ 0.37052381, 0.03463207, 0.10669077],
[ 0.05...
Ruby on Rails: How can I revert a migration with rake db:migrate?
...to revert.
eg. if you want to revert a migration with file name 3846656238_create_users.rb
rake db:migrate:down VERSION=3846656238
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