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Python strftime - date without leading 0?
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edited Apr 8 '17 at 7:42
C S
8061212 silver badges1919 bronze badges
answered Jan 15 '10 at 16:38
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Need to understand the usage of SemaphoreSlim
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72
i guess that if i run 50 thread at a time then code like SemaphoreSlim ss = new SemaphoreSlim...
Having options in argparse with a dash
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233
As indicated in the argparse docs:
For optional argument actions, the value of dest is nor...
Android: How can I pass parameters to AsyncTask's onPreExecute()?
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230
You can override the constructor. Something like:
private class MyAsyncTask extends AsyncTask...
Install specific git commit with pip
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288
You can specify commit hash, branch name, tag.
For the branch name and the tag, you can also ...
Format date and time in a Windows batch script
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check if directory exists and delete in one command unix
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answered Jun 20 '16 at 13:32
Nick GrealyNick Grealy
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How do I access named capturing groups in a .NET Regex?
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264
Use the group collection of the Match object, indexing it with the capturing group name, e.g. ...
how to get program files x86 env variable?
...iles(x86)% ==> C:\Program Files (x86)
On a 64-bit machine running in 32-bit (WOW64) mode:
echo %programfiles% ==> C:\Program Files (x86)
echo %programfiles(x86)% ==> C:\Program Files (x86)
On a 32-bit machine running in 32-bit mode:
echo %programfiles% ==> C:\Program Fi...
How to filter Pandas dataframe using 'in' and 'not in' like in SQL
...le:
import pandas as pd
>>> df
country
0 US
1 UK
2 Germany
3 China
>>> countries_to_keep
['UK', 'China']
>>> df.country.isin(countries_to_keep)
0 False
1 True
2 False
3 True
Name: country, dtype: bool
>>> df[df.country.isin(cou...