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unix - head AND tail of file
... 10; my @buf = (); while (<>) { print if $. <= $size; push(@buf, $_); if ( @buf > $size ) { shift(@buf); } } print "------\n"; print @buf;'
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Recursively add files by pattern
... right, but it's not me. It's quote from the docs git-scm.com/docs/git-add#_examples
– Sergey Glotov
Mar 6 '18 at 6:45
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Simple way to create matrix of random numbers
...
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...
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 ...
Switching the order of block elements with CSS [duplicate]
...new implementation: developer.mozilla.org/en-US/docs/Web/Guide/CSS/Flexible_boxes
– Daniel Ristic
Sep 11 '13 at 16:13
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Check if a string contains a number
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You can use a combination of any and str.isdigit:
def num_there(s):
return any(i.isdigit() for i in s)
The function will return True if a digit exists in the string, otherwise False.
Demo:
>>> king = 'I shall have 3 cakes'
>>> num_there(king)
True
>>...
AngularJS Directive Restrict A vs E
...iv>
C = <div class="Doc"></div>
E = <Doc data="book_data"></Doc>
M = <!--directive:Doc -->
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Play audio file from the assets directory
... @SarwarErfan mind blown by the implementation of assets directory >_<
– Warpzit
Aug 13 '13 at 7:37
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Trim trailing spaces in Xcode
...ing script:
#!/usr/bin/perl
while (<>) {
s/\s+$//;
print "$_\n";
}
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Inserting code in this LaTeX document with indentation
...n{document}
\begin{minted}[mathescape, linenos]{python}
# Note: $\pi=\lim_{n\to\infty}\frac{P_n}{d}$
title = "Hello World"
sum = 0
for i in range(10):
sum += i
\end{minted}
\end{document}
Output:
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