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count the frequency that a value occurs in a dataframe column

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How to set child process' environment variable in Makefile

... test (assuming you have a sufficiently modern version of GNU make >= 3.77 ). share | improve this answer | follow | ...
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What is the most “pythonic” way to iterate over a list in chunks?

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Empty set literal?

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How to remove element from an array in JavaScript?

... 355 For a more flexible solution, use the splice() function. It allows you to remove any item in ...
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Format a datetime into a string with milliseconds

... 367 To get a date string with milliseconds (3 decimal places behind seconds), use this: from date...
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Change / Add syntax highlighting for a language in Sublime 2/3

I want to change / add syntax highlighting for a language in Sublime 2/3. 5 Answers 5 ...
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Get operating system info

...t 10/i' => 'Windows 10', '/windows nt 6.3/i' => 'Windows 8.1', '/windows nt 6.2/i' => 'Windows 8', '/windows nt 6.1/i' => 'Windows 7', '/windows nt 6.0/i' =&gt...
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What is a Python equivalent of PHP's var_dump()? [duplicate]

..., permutations, etc.? – JSmyth Nov 23 '14 at 16:33 4 This was helpful. I am a Python noob but wha...
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Python data structure sort list alphabetically

...ut[12]: ['constitute', 'Whim', 'Stem', 'Sedge', 'Intrigue', 'Eflux'] In [13]: sorted(lst, key=str.lower, reverse=True) Out[13]: ['Whim', 'Stem', 'Sedge', 'Intrigue', 'Eflux', 'constitute'] Please note: If you work with Python 3, then str is the correct data type for every string that contains hum...