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How to find all occurrences of a substring?
...re
[m.start() for m in re.finditer('test', 'test test test test')]
#[0, 5, 10, 15]
If you want to find overlapping matches, lookahead will do that:
[m.start() for m in re.finditer('(?=tt)', 'ttt')]
#[0, 1]
If you want a reverse find-all without overlaps, you can combine positive and negative lo...
Moment.js: Date between dates
...in -> moment-range to deal with date range:
var startDate = new Date(2013, 1, 12)
, endDate = new Date(2013, 1, 15)
, date = new Date(2013, 2, 15)
, range = moment().range(startDate, endDate);
range.contains(date); // false
...
How to get the first column of a pandas DataFrame as a Series?
...
143
>>> import pandas as pd
>>> df = pd.DataFrame({'x' : [1, 2, 3, 4], 'y' : [4,...
How do I access command line arguments in Python?
...
517
Python tutorial explains it:
import sys
print(sys.argv)
More specifically, if you run pytho...
Matplotlib different size subplots
...np
import matplotlib.pyplot as plt
# generate some data
x = np.arange(0, 10, 0.2)
y = np.sin(x)
# plot it
f, (a0, a1) = plt.subplots(1, 2, gridspec_kw={'width_ratios': [3, 1]})
a0.plot(x, y)
a1.plot(y, x)
f.tight_layout()
f.savefig('grid_figure.pdf')
...
List comprehension rebinds names even after scope of comprehension. Is this right?
...
172
List comprehensions leak the loop control variable in Python 2 but not in Python 3. Here's Gu...
Why isn't my Pandas 'apply' function referencing multiple columns working? [closed]
...
381
Seems you forgot the '' of your string.
In [43]: df['Value'] = df.apply(lambda row: my_test(row...
Path to Powershell.exe (v 2.0)
...
175
I believe it's in C:\Windows\System32\WindowsPowershell\v1.0\. In order to confuse the innocen...
Best way to test if a row exists in a MySQL table
...
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