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Prepend a level to a pandas MultiIndex
...t also works for pd.Series objects, whereas the currently accepted answer (from 2013) does not.
– John
Jan 11 '18 at 12:03
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Sorting 1 million 8-decimal-digit numbers with 1 MB of RAM
... Once VALUE reaches zero you should have transmitted all integers in order from largest to smallest to the destination, and have only used about 47 bits of RAM for the two persistent variables (and whatever small amount you need for the temporary values).
I know this is horrible, and I know there c...
In bash, how does one clear the current input?
...n bash, but if you have e.g. a mysql client prompt, Ctrl-C will disconnect from the server which is really annoying.
– Christian
Nov 25 '13 at 10:54
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Entity Framework Provider type could not be loaded?
...d to test project you can ensure a static reference to SqlProviderServices from your Model/entity project.
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How do I merge a list of dicts into a single dict?
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In case of Python 3.3+, there is a ChainMap collection:
>>> from collections import ChainMap
>>> a = [{'a':1},{'b':2},{'c':1},{'d':2}]
>>> dict(ChainMap(*a))
{'b': 2, 'c': 1, 'a': 1, 'd': 2}
Also see:
What is the purpose of collections.ChainMap?
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Get the (last part of) current directory name in C#
I need to get the last part of current directory, for example from /Users/smcho/filegen_from_directory/AIRPassthrough , I need to get AIRPassthrough .
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Executing multi-line statements in the one-line command-line?
...- e.g., <<'EOF' - so as to protect the contents of the here-document from up-front shell expansions.
– mklement0
Apr 10 '15 at 15:11
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WPF User Control Parent
... a MainWindow at runtime. I cannot get a handle on the containing window from the UserControl .
17 Answers
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Where did the name `atoi` come from?
...ble finding any official source on it... but in this listing of man pages from Third Edition Unix (1973) collected by Dennis Ritchie himself, it does contain the line:
atoi(III): convert ASCII to integer
In fact, even the first edition Unix (ca 1971) man pages list atoi as meaning Ascii to I...
What is the C runtime library?
..., on UNIX the floating point functions are traditionally stored separately from the rest). That big file is typically something on the same general order as a zip file, but without any compression, so it's basically just some little files collected together and stored together into one bigger file. ...