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Convert python datetime to epoch with strftime
... since epoch you could do it explicitly:
>>> (datetime.datetime(2012,04,01,0,0) - datetime.datetime(1970,1,1)).total_seconds()
1333238400.0
In Python 3.3+ you can use timestamp() instead:
>>> datetime.datetime(2012,4,1,0,0).timestamp()
1333234800.0
Why you should not use da...
How to make type=“number” to positive numbers only
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Add a min attribute
<input type="number" min="0">
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Programmatically find the number of cores on a machine
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C++11
#include <thread>
//may return 0 when not able to detect
const auto processor_count = std::thread::hardware_concurrency();
Reference: std::thread::hardware_concurrency
In C++ prior to C++11, there's no portable way. Instead, you'll need to use one or...
What's a simple way to get a text input popup dialog box on an iPhone
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This renders an alertView like this (screenshot taken from the iPhone 5.0 simulator in XCode 4.2):
When pressing any buttons, the regular delegate methods will be called and you can extract the textInput there like so:
- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger...
How can I tell if a DOM element is visible in the current viewport?
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answered Sep 24 '08 at 2:40
PrestaulPrestaul
73.5k1010 gold badges7575 silver badges8383 bronze badges
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Check if element exists in jQuery [duplicate]
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answered Jan 4 '11 at 10:17
SarfrazSarfraz
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Get the closest number out of an array
I have a number from minus 1000 to plus 1000 and I have an array with numbers in it. Like this:
20 Answers
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Convert Rows to columns using 'Pivot' in SQL Server
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If you are using SQL Server 2005+, then you can use the PIVOT function to transform the data from rows into columns.
It sounds like you will need to use dynamic sql if the weeks are unknown but it is easier to see the correct code using a hard-coded ver...
Why does PEP-8 specify a maximum line length of 79 characters? [closed]
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130
Much of the value of PEP-8 is to stop people arguing about inconsequential formatting rules, and...
How to escape single quotes in MySQL
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edited Oct 27 '12 at 22:10
answered May 20 '09 at 9:31
Rob...