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Find files and tar them (with spaces)
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Use this:
find . -type f -print0 | tar -czvf backup.tar.gz --null -T -
It will:
deal with...
Optimal number of threads per core
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260
If your threads don't do I/O, synchronization, etc., and there's nothing else running, 1 threa...
git error: failed to push some refs to remote
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How can I list ALL grants a user received?
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If you want more than just direct table grants (e.g., grants via roles, system privileges such a...
How to list commits since certain commit?
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git rev-list <since_hash>..HEAD
or to include the commit:
git rev-list <since_hash&g...
MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
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Python dict how to create key or append an element to key?
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Use dict.setdefault():
dic.setdefault(key,[]).append(value)
help(dict.setdefault):
set...
Prevent ViewPager from destroying off-screen views
...e, rather than the default which is 1.
In your case, you want to specify 2, so that when you are on the third page, the first one is not destroyed, and vice-versa.
mViewPager = (ViewPager)findViewById(R.id.pager);
mViewPager.setOffscreenPageLimit(2);
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Unittest setUp/tearDown for several tests
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As of 2.7 (per the documentation) you get setUpClass and tearDownClass which execute before and after the tests in a given class are run, respectively. Alternatively, if you have a group of them in one file, you can use setUpModul...
Set time part of DateTime in ruby
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Within a Rails environment:
Thanks to ActiveSupport you can use:
DateTime.now.midnight
DateT...