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What does “abstract over” mean?
...or example, consider a program that takes the sum of the numbers 1, 2, and 3:
val sumOfOneTwoThree = 1 + 2 + 3
This program is not very interesting, since it's not very abstract. We can abstract over the numbers we're summing, by integrating all lists of numbers under a single symbol ns:
def sum...
How to rename a file using Python
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edited Mar 28 '18 at 13:39
Marc-Antoine Giguère
3811 silver badge99 bronze badges
answered Mar 22 '...
Convert a binary NodeJS Buffer to JavaScript ArrayBuffer
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138
Instances of Buffer are also instances of Uint8Array in node.js 4.x and higher. Thus, the most...
How can I get the current language in Django?
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139
Functions of particular interest are django.utils.translation.get_language() which returns the ...
Add missing dates to pandas dataframe
...ld use Series.reindex:
import pandas as pd
idx = pd.date_range('09-01-2013', '09-30-2013')
s = pd.Series({'09-02-2013': 2,
'09-03-2013': 10,
'09-06-2013': 5,
'09-07-2013': 1})
s.index = pd.DatetimeIndex(s.index)
s = s.reindex(idx, fill_value=0)
print(...
Strip whitespace from jsp output
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edited Aug 3 '12 at 10:44
jseidl
333 bronze badges
answered Oct 16 '08 at 14:18
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Get the value in an input text box
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edited Jan 31 '17 at 8:10
Jay Rathod RJ
9,68255 gold badges2626 silver badges4949 bronze badges
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What does collation mean?
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paxdiablopaxdiablo
737k199199 gold badges14231423 silver badges17931793 bronze badges
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How do I tar a directory of files and folders without including the directory itself?
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238
cd my_directory/ && tar -zcvf ../my_dir.tgz . && cd -
should do the job in o...