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Version number comparison in Python
I want to write a cmp -like function which compares two version numbers and returns -1 , 0 , or 1 based on their compared valuses.
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How to copy a directory using Ant
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isapir
12.5k66 gold badges7272 silver badges8686 bronze badges
answered Nov 6 '09 at 4:42
OmnipresentOmnipresent...
How to sort an array of associative arrays by value of a given key in PHP?
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You are right, the function you're looking for is array_multisort().
Here's an example taken straight from the manual and adapted to your case:
$price = array();
foreach ($inventory as $key => $row)
{
$price[$key] = $row['price'];
}
array_multisort($price,...
C++ equivalent of java's instanceof
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Every time you need to use a dynamic_cast (or instanceof) you'd better ask yourself whether it's a necessary thing. It's generally a sign of poor design.
Typical workarounds is putting the special behaviour for the class you are checking for into a virtual function on the base class or perhaps i...
Correct way to define Python source code encoding
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Check the docs here:
"If a comment in the first or second line of the Python script matches the regular expression coding[=:]\s*([-\w.]+), this comment is processed as an encoding declaration"
"The recommended forms of this ex...
How to list only top level directories in Python?
...r(os.path.join(thedir, name)) ]
['ctypes', 'distutils', 'encodings', 'lib-tk', 'config', 'idlelib', 'xml', 'bsddb', 'hotshot', 'logging', 'doc', 'test', 'compiler', 'curses', 'site-packages', 'email', 'sqlite3', 'lib-dynload', 'wsgiref', 'plat-linux2', 'plat-mac']
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Check folder size in Bash
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nbro
10.9k1717 gold badges7676 silver badges140140 bronze badges
answered May 21 '13 at 4:12
MingyuMingyu
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Should I put the Google Analytics JS in the or at the end of ?
... the end of the <head> section helps ensure the your metrics are tracked even when a user doesn't let the page finish loading.
They used to tell you to put it at the bottom of the page, before they added support for handling partial loading of pages.
Directly from Google:
One of the main...
How to directly initialize a HashMap (in a literal way)?
Is there some way of initializing a Java HashMap like this?:
14 Answers
14
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Change One Cell's Data in mysql
...in only one cell of a mysql table.
I have problem with UPDATE because it makes all the parameters in a column change but I want only one changed. How?
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