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Weighted random numbers
...e items have individual weights:
1) calculate the sum of all the weights
2) pick a random number that is 0 or greater and is less than the sum of the weights
3) go through the items one at a time, subtracting their weight from your random number, until you get the item where the random number is ...
How do I escape spaces in path for scp copy in Linux?
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answered Dec 3 '13 at 23:53
Adrian GunawanAdrian Gunawan
11.7k1010 gold badges3333 silver badges4040 bronze badges
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What is the point of function pointers?
...ut << "the answer is: " << i << '\n';}
};
functor f;
f(42);
The idea behind this is that, unlike a function pointer, a function object can carry not only an algorithm, but also data:
class functor {
public:
functor(const std::string& prompt) : prompt_(prompt) {}
...
How to Sort Multi-dimensional Array by Value?
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Try a usort, If you are still on PHP 5.2 or earlier, you'll have to define a sorting function first:
function sortByOrder($a, $b) {
return $a['order'] - $b['order'];
}
usort($myArray, 'sortByOrder');
Starting in PHP 5.3, you can use an anonymous function:
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Batch: Remove file extension
... Dirk VollmarDirk Vollmar
157k5151 gold badges240240 silver badges300300 bronze badges
9
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How to disable a particular checkstyle rule for a particular line of code?
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297
Check out the use of the supressionCommentFilter at http://checkstyle.sourceforge.net/config_f...
Xcode/Simulator: How to run older iOS version?
I'm thinking of upgrading to iOS SDK 4.2. But what I'm wondering is if I'll still be able to run the simulator as iOS 3.2. This is because I'm creating iAds for iPad but I still want to check if my program will run with iOS 3.2.
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Append values to a set in Python
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420
keep.update(yoursequenceofvalues)
e.g, keep.update(xrange(11)) for your specific example. Or...
jQuery checkbox checked state changed event
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1268
Bind to the change event instead of click. However, you will probably still need to check whet...
How do I find which rpm package supplies a file I'm looking for?
...um would install the mod_files.sh file with the php-devel x86_64 5.1.6-23.2.el5_3 package, but the file appears to not to be installed on my filesystem.
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