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How to toggle a boolean?
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@user2846569, if you're toggling the boolean, that means that by nature the variable has already been initialized. You could expand it to bool = !bool || true; to have a default, I suppose.
– Jordan
May 22 '14 at 0:53
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Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?
...() (also pd.isna(), in newer versions) checks for missing values in both numeric and string/object arrays. From the documentation, it checks for:
NaN in numeric arrays, None/NaN in object arrays
Quick example:
import pandas as pd
import numpy as np
s = pd.Series(['apple', np.nan, 'banana'])
p...
Setting the correct encoding when piping stdout in Python
... Python interpreter gets confused about encoding and sets it to None. This means a program like this:
10 Answers
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target input by type and name (selector)
I need to change some checkbox inputs to hidden inputs for some but not all inputs on a page.
3 Answers
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Using Sass Variables with CSS3 Media Queries
I'm trying to combine the use of a Sass variable with @media queries as follows:
7 Answers
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How to move screen without moving cursor in Vim?
...u can recover from an oops. (Non-portable hacks incoming:) Third, do the same but from your user keyboard config, e.g. Windows key + Z; for maps to sequences, try xdotool or triggerhappy. Finally, display your caps lock state (can't be done in Vimscript.)...
– John P
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How to set JVM parameters for Junit Unit Tests?
I have some Junit unit tests that require a large amount of heap-space to run - i.e. 1G. (They test memory-intensive functionality for a webstart app that will only run with sufficient heap-space, and will be run internally on Win 7 64-bit machines - so redesigning the tests isn't a practical sugges...
Remove rows with duplicate indices (Pandas DataFrame and TimeSeries)
I'm reading some automated weather data from the web. The observations occur every 5 minutes and are compiled into monthly files for each weather station. Once I'm done parsing a file, the DataFrame looks something like this:
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Take diff of two vertical opened windows in Vim
...ply to all windows of the current tab - it'd be nice if diffthis had the same feature, but it doesn't.)
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What exactly does git rebase --skip do?
...skips a commit. If you run rebase --abort at a later conflict during the same rebase, the skipped commit will be reverted too of course.
If your change already existed upstream, Git will not be able to apply your commit (but usually should skip it automatically, if the patch is exactly the same). Y...