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How to sort an array of objects by multiple fields?
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answered Aug 2 '11 at 14:38
Felix KlingFelix Kling
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Subtract 7 days from current date
... = [NSDate date];
NSDate *sevenDaysAgo = [now dateByAddingTimeInterval:-7*24*60*60];
NSLog(@"7 days ago: %@", sevenDaysAgo);
output:
7 days ago: 2012-04-11 11:35:38 +0000
Hope it helps
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How do I read / convert an InputStream into a String in Java?
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Marko Zajc
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answered Nov 21 '08 at 16:54
Harry LimeHarry Lime
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How can I declare and use Boolean variables in a shell script?
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Revised Answer (Feb 12, 2014)
the_world_is_flat=true
# ...do something interesting...
if [ "$the_world_is_flat" = true ] ; then
echo 'Be careful not to fall off!'
fi
Original Answer
Caveats: https://stackoverflow.com/a/21210966/89391
the_wor...
How do I test a private function or a class that has private methods, fields or inner classes?
... community wiki
10 revs, 6 users 45%Cem Catikkas
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Generate an integer that is not among four billion given ones
... Monicahmakholm left over Monica
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How do I count unique values inside a list
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answered Sep 5 '12 at 19:04
VidulVidul
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How to install the Raspberry Pi cross compiler on my Linux host machine?
...see the following how-to in this thread: https://stackoverflow.com/a/58559140/869402
Pre-requirements
Before you start you need to make sure the following is installed:
apt-get install git rsync cmake ia32-libs
Let's cross compile a Pie!
Start with making a folder in your home directory called...
In Functional Programming, what is a functor?
... opposed to the layers existing only in the mind of the programmer. In 1994 when this work was published, it was a big deal.
For a wild example of ML functors in action, you could see the paper ML Module Mania, which contains a publishable (i.e., scary) example of functors at work. For a brillian...
Tracking the script execution time in PHP
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On unixoid systems (and in php 7+ on Windows as well), you can use getrusage, like:
// Script ...