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What is “vectorization”?
...UMPY(not sure of other else).
Numpy (package for scientific computing in python) , uses vectorization for speedy manipulation of n-dimensional array ,which generally is slower if done with in-built python options for handling arrays.
although tons of explanation are out there , HERE'S WHAT VECTOR...
How to plot multiple functions on the same figure, in Matplotlib?
...
Perhaps a more pythonic way of doing so.
from numpy import *
import math
import matplotlib.pyplot as plt
t = linspace(0,2*math.pi,400)
a = sin(t)
b = cos(t)
c = a + b
plt.plot(t, a, t, b, t, c)
plt.show()
...
How to automatically install Emacs packages by specifying a list of package names?
... magit magithub markdown-mode paredit projectile
python sass-mode rainbow-mode scss-mode solarized-theme
volatile-highlights yaml-mode yari yasnippet zenburn-theme)
"A list of packages to ensure are installed at launch.")
(defun prelude-packages-instal...
TypeError: got multiple values for argument
...positional argument. But why the latter one can work? What's the rule when python assign the arguments. Thank you.
– Alston
Nov 15 '17 at 14:59
2
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File name? Path name? Base name? Naming standard for pieces of a path
...
Python's pathlib standard library has a great naming convention for path components:
https://docs.python.org/3/library/pathlib.html
a) C:\users\OddThinking\Documents\My Source\Widget\foo.src
stem
b) C:\users\OddThinkin...
How do I set the figure title and axes labels font size in Matplotlib?
...
@AlexanderMcFarlane. I ran python -c 'import matplotlib as mpl; print(mpl.__version__); print("figure.titlesize" in mpl.rcParams.keys())'. Result is 1.5.1, True. 1) What version of matplotlib are you using? What version of Python? 2) Could it be a bug ...
TypeError: sequence item 0: expected string, int found
....
For example, assume the string Libië (Dutch for Libya), represented in Python as the unicode string u'Libi\xeb':
print str(u'Libi\xeb')
throws the following error:
Traceback (most recent call last):
File "/Users/tomasz/Python/MA-CIW-Scriptie/RecreateTweets.py", line 21, in <module>
...
How to configure Git post commit hook
...ht look like here is the code of my working post-receive hook:
#!/usr/bin/python
import sys
from subprocess import call
if __name__ == '__main__':
for line in sys.stdin.xreadlines():
old, new, ref = line.strip().split(' ')
if ref == 'refs/heads/master':
print "====...
inserting characters at the start and end of a string
...ers:
yourstring = "L%sLL" % yourstring
Or, more forward compatible with Python 3.x:
yourstring = "L{0}LL".format(yourstring)
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pandas: multiple conditions while indexing data frame - unexpected behavior
...
@stoves: in normal Python code, and and or have basic Python semantics that can't be modified. & and |, on the other hand, have corresponding special methods which control their behaviour. (In query strings, of course, we're free to apply...