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Generate random integers between 0 and 9
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Try:
from random import randrange
print(randrange(10))
Docs: https://docs.python.org/3/library/random.html#random.randrange
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How to get the element clicked (for the whole document)?
...'div').on('click', function(){
var node = jQuery(this).get(0);
var range = document.createRange();
range.selectNodeContents( node );
window.getSelection().removeAllRanges();
window.getSelection().addRange( range );
});
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How do I ignore files in a directory in Git?
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@Stallman, that's the range. So it matches *.Obj as well as *.obj.
– Sam R.
May 2 '16 at 15:03
add a comment
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python pandas dataframe to dictionary
...his ugly but working code:
>>> mydict = {}
>>> for x in range(len(ptest)):
... currentid = ptest.iloc[x,0]
... currentvalue = ptest.iloc[x,1]
... mydict.setdefault(currentid, [])
... mydict[currentid].append(currentvalue)
>>> mydict
{'a': [1, 2], 'b': [3]}...
How to do parallel programming in Python?
...ugh it only works with a small subset of Python:
from numba import njit, prange
@njit(parallel=True)
def prange_test(A):
s = 0
# Without "parallel=True" in the jit-decorator
# the prange statement is equivalent to range
for i in prange(A.shape[0]):
s += A[i]
return s
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Replace values in list using Python [duplicate]
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Here's another way:
>>> L = range (11)
>>> map(lambda x: x if x%2 else None, L)
[None, 1, None, 3, None, 5, None, 7, None, 9, None]
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Is there a way to instantiate objects from a string holding their class name?
... //Creates the derived type associated with key. Throws std::out_of_range if key not found.
BasePointerType Create(const KeyType& key BOOST_PP_ENUM_TRAILING_BINARY_PARAMS(N,const T,& a)) const
{
return m_creatorMap.at(key)(BOOST_PP_ENUM_PARAMS(N...
what is the difference between 'transform' and 'fit_transform' in sklearn
... given data.
It basically helps to normalize the data within a particular range
For this, we use Z-score method.
We do this on the training set of data.
1.Fit(): Method calculates the parameters μ and σ and saves them as internal objects.
2.Transform(): Method using these calculated param...
What is the difference between active and passive FTP?
...ass through!
To mitigate the risks, a good solution would be to specify a range of ports on your server and then to allow only that range of ports on your firewall.
For more information, please read the official document.
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When to use cla(), clf() or close() for clearing a plot in matplotlib?
...links).
So the the following script will produce an empty list:
for i in range(5):
fig = plot_figure()
plt.close(fig)
# This returns a list with all figure numbers available
print(plt.get_fignums())
Whereas this one will produce a list with five figures on it.
for i in range(5):
fig...