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Does Python support multithreading? Can it speed up execution time?
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134
The GIL does not prevent threading. All the GIL does is make sure only one thread is executing P...
Find element's index in pandas Series
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>>> myseries[myseries == 7]
3 7
dtype: int64
>>> myseries[myseries == 7].index[0]
3
Though I admit that there should be a better way to do that, but this at least avoids iterating and looping through the object and moves it to the C level.
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What does the 'Z' mean in Unix timestamp '120314170138Z'?
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applications; zones M and Y have the same clock time but differ by 24
hours: a full day). These were to be vocalized using a phonetic
alphabet which pronounces the letter Z as Zulu, leading sometimes to
the use of the term "Zulu Time". The Greenwich time zone runs from
7.5°W to 7.5°...
“git rm --cached x” vs “git reset head -- x”?
... oadams
2,87955 gold badges2525 silver badges4747 bronze badges
answered Apr 27 '11 at 6:14
manojldsmanojlds
248k5454 gold ...
Pad a number with leading zeros in JavaScript [duplicate]
...rray elements; that's why there's a + 1 in there.
Example usage:
pad(10, 4); // 0010
pad(9, 4); // 0009
pad(123, 4); // 0123
pad(10, 4, '-'); // --10
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What do 'statically linked' and 'dynamically linked' mean?
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450
There are (in most cases, discounting interpreted code) two stages in getting from source code...
Conditional import of modules in Python
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answered Jan 10 '17 at 18:40
Aashutosh jhaAashutosh jha
36622 silver badges66 bronze badges
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How to specify the order of CSS classes?
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247
The order in which the attributes are overwritten is not determined by the order the classes ar...
What is std::string::c_str() lifetime?
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edited Nov 14 '14 at 20:49
answered Jun 23 '11 at 15:15
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Split (explode) pandas dataframe string entry to separate rows
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84
How about something like this:
In [55]: pd.concat([Series(row['var2'], row['var1'].split(',')) ...