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Extract first item of each sublist
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Using list comprehension:
>>> lst = [['a','b','c'], [1,2,3], ['x','y','z']]
>>> lst2 = [item[0] for item in lst]
>>> lst2
['a', 1, 'x']
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Explanation of strong and weak storage in iOS5
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edited Mar 30 '12 at 4:31
answered Feb 13 '12 at 15:09
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Re-sign IPA (iPhone)
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213
Finally got this working!
Tested with a IPA signed with cert1 for app store submission with no ...
What is the meaning of the planned “private protected” C# access modifier?
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Kobi
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answered Apr 4 '14 at 8:07
GogutzGogutz
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Why don't self-closing script elements work?
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XHTML 1 specification says:
С.3. Element Minimization and Empty Element Content
Given an empty instance of an element whose content model is not EMPTY (for example, an empty title or paragraph) do not use the minimized form (e.g. use <p> </p&...
I have 2 dates in PHP, how can I run a foreach loop to go through all of those days?
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Requires PHP5.3:
$begin = new DateTime('2010-05-01');
$end = new DateTime('2010-05-10');
$interval = DateInterval::createFromDateString('1 day');
$period = new DatePeriod($begin, $interval, $end);
foreach ($period as $dt) {
echo $dt...
Easiest way to convert int to string in C++
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auto s = std::to_string(42);
Note: see [string.conversions] (21.5 in n3242)
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How to swap two variables in JavaScript
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323
Here's a one-liner to swap the values of two variables.
Given variables a and b:
b = [a, a = ...
Bootstrap combining rows (rowspan)
... height:25px;
}
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet" />
<div class="container">
<h1>Responsive Bootstrap</h1>
<div class="row">
<div class="col-lg-5 col-md-5 col-sm-5 col-xs-5" style="back...
What is the standard way to add N seconds to datetime.time in Python?
...here a standard way to add an integer number of seconds to it, so that 11:34:59 + 3 = 11:35:02 , for example?
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