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“is” operator behaves unexpectedly with integers
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403
Take a look at this:
>>> a = 256
>>> b = 256
>>> id(a)
9987148
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What is the most efficient way to store a list in the Django models?
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edited Feb 17 '17 at 13:19
Community♦
111 silver badge
answered Jul 10 '09 at 15:23
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Find difference between timestamps in seconds in PostgreSQL
I have a table in PostgreSQL 8.3 with 2 timestamp columns. I would like to get the difference between these timestamps in seconds. Could you please help me how to get this done?
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Hexadecimal To Decimal in Shell Script
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323
To convert from hex to decimal, there are many ways to do it in the shell or with an external ...
How to install Android SDK Build Tools on the command line?
...you need to install multiple packages do:
android update sdk -u -a -t 1,2,3,4,..,n
Where 1,2,..,n is the package number listed with the list command above
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Classes residing in App_Code is not accessible
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Kevin Panko
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answered Aug 3 '09 at 13:14
StevenMcDStevenMcD
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How to print last two columns using awk
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codaddictcodaddict
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Just what is Java EE really? [closed]
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39
Why can't the libraries function outside of the application server environment?
Actually they ...
How do I get the MIN() of two fields in Postgres?
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3 Answers
3
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Select second last element with css
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In CSS3 you have:
:nth-last-child(2)
See: https://developer.mozilla.org/en-US/docs/Web/CSS/:nth-last-child
nth-last-child Browser Support:
Chrome 2
Firefox 3.5
Opera 9.5, 10
Safari 3.1, 4
Internet Explorer 9
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