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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...
jQuery: Selecting by class and input type
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213
Your selector is looking for any descendants of a checkbox element that have a class of .myClass...
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(...
Elegant method to generate array of random dates within two dates
I have a datepicker where I show two months and I want to randomly choose 3 dates in each visible month
4 Answers
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Is the SQL WHERE clause short-circuit evaluated?
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ANSI SQL Draft 2003 5WD-01-Framework-2003-09.pdf
6.3.3.3 Rule evaluation order
[...]
Where the precedence is not determined by the Formats or by
parentheses, effective evaluation of expressions is generally
performed from left to right. Howev...
How to namespace Twitter Bootstrap so styles don't conflict
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133
This turned out to be easier than I thought. Both Less and Sass support namespacing (using the ...
How to select last two characters of a string
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432
You can pass a negative index to .slice(). That will indicate an offset from the end of the set...
Is PHP's count() function O(1) or O(n) for arrays?
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3 Answers
3
Active
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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...