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Obtaining a powerset of a set in Java
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101
Yes, it is O(2^n) indeed, since you need to generate, well, 2^n possible combinations. Here's a...
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...
How to check Django version
...nsole and type
>>> import django
>>> django.VERSION
(2, 0, 0, 'final', 0)
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Replacing .NET WebBrowser control with a better browser, like Chrome?
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answered Dec 3 '10 at 17:42
chillitomchillitom
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Is there a portable way to print a message from the C preprocessor?
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answered Sep 30 '10 at 0:24
YouYou
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How to tag an older commit in Git?
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Example:
git tag -a v1.2 9fceb02 -m "Message here"
Where 9fceb02 is the beginning part of the commit id.
You can then push the tag using git push origin v1.2.
You can do git log to show all the commit id's in your current branch.
There is also a good...
How can I pass command-line arguments to a Perl program?
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190
Depends on what you want to do. If you want to use the two arguments as input files, you can jus...
How do HTML parses work if they're not using regexp?
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answered Mar 8 '10 at 10:45
QuentinQuentin
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Remove file extension from a file name string
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edited Feb 12 '13 at 0:17
ladenedge
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SQL Server Script to create a new user
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Bart
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answered Oct 21 '09 at 14:39
Mark BrittinghamMark...