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Height equal to dynamic width (CSS fluid layout) [duplicate]
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edited Dec 5 '14 at 16:05
chridam
82.4k1818 gold badges159159 silver badges185185 bronze badges
answe...
Iterating over a numpy array
...>>> for (x,y), value in numpy.ndenumerate(a):
... print x,y
...
0 0
0 1
1 0
1 1
2 0
2 1
Regarding the performance. It is a bit slower than a list comprehension.
X = np.zeros((100, 100, 100))
%timeit list([((i,j,k), X[i,j,k]) for i in range(X.shape[0]) for j in range(X.shape[1]) for k...
Text Progress Bar in the Console [closed]
...ssBar (iteration, total, prefix = '', suffix = '', decimals = 1, length = 100, fill = '█', printEnd = "\r"):
"""
Call in a loop to create terminal progress bar
@params:
iteration - Required : current iteration (Int)
total - Required : total iterations (Int)
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Generate random int value from 3 to 6
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Removing leading zeroes from a field in a SQL statement
...ve the leading zeroes from a particular field, which is a simple VARCHAR(10) field. So, for example, if the field contains '00001A', the SELECT statement needs to return the data as '1A'.
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Bash, no-arguments warning, and case decisions
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if [[ $# -eq 0 ]] ; then
echo 'some message'
exit 0
fi
case "$1" in
1) echo 'you gave 1' ;;
*) echo 'you gave something else' ;;
esac
The Advanced Bash-Scripting Guide is pretty good. In spite of its name, it does treat...
How to get first element in a list of tuples?
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>>> a = [(1, u'abc'), (2, u'def')]
>>> [i[0] for i in a]
[1, 2]
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Append a NumPy array to a NumPy array
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answered Mar 19 '12 at 18:01
endolithendolith
19.6k2424 gold badges107107 silver badges170170 bronze badges
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Why must a nonlinear activation function be used in a backpropagation neural network? [closed]
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170
The purpose of the activation function is to introduce non-linearity into the network
in turn, ...
What does value & 0xff do in Java?
... = value;
then result would end up with the value ff ff ff fe instead of 00 00 00 fe. A further subtlety is that the & is defined to operate only on int values1, so what happens is:
value is promoted to an int (ff ff ff fe).
0xff is an int literal (00 00 00 ff).
The & is applied to yield...