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Tell Ruby Program to Wait some amount of time
... longer...
sleep(2.hours); sleep(3.days) # etc., etc.
# or shorter
sleep(0.5) # half a second
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What is the fastest method for selecting descendant elements in jQuery?
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95
Method 1 and method 2 are identical with the only difference is that method 1 needs to parse the...
Regular expression for matching HH:MM time format
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375
Your original regular expression has flaws: it wouldn't match 04:00 for example.
This may work ...
ERROR: Error installing capybara-webkit:
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answered Jul 23 '12 at 23:50
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Selecting with complex criteria from pandas.DataFrame
... range(10)]})
>>> df
A B C
0 9 40 300
1 9 70 700
2 5 70 900
3 8 80 900
4 7 50 200
5 9 30 900
6 2 80 700
7 2 80 400
8 5 80 300
9 7 70 800
We can apply column operations and get boolean Series objects:
>>> df["B"] > 50
0 False
1 True...
How get integer value from a enum in Rails?
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5 Answers
5
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Disabling Strict Standards in PHP 5.4
I'm currently running a site on php 5.4, prior to this I was running my site on 5.3.8. Unfortunately, php 5.4 combines E_ALL and E_STRICT , which means that my previous setting for error_reporting does not work now. My previous value was E_ALL & ~E_NOTICE & ~E_STRICT Should I just ena...
Stop caching for PHP 5.5.3 in MAMP
Installed MAMP on a new Macbook with PHP 5.5.3.
9 Answers
9
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How do I put two increment statements in a C++ 'for' loop?
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154
A common idiom is to use the comma operator which evaluates both operands, and returns the seco...
Why does (0 < 5 < 3) return true?
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Order of operations causes (0 < 5 < 3) to be interpreted in javascript as ((0 < 5) < 3) which produces (true < 3) and true is counted as 1, causing it to return true.
This is also why (0 < 5 < 1) returns false, (0 < 5) returns true, wh...