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Seedable JavaScript random number generator
...cluding end
// can't modulu nextInt because of weak randomness in lower bits
var rangeSize = end - start;
var randomUnder1 = this.nextInt() / this.m;
return start + Math.floor(randomUnder1 * rangeSize);
}
RNG.prototype.choice = function(array) {
return array[this.nextRange(0, array....
When NOT to use yield (return) [duplicate]
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edited Oct 19 '10 at 19:01
answered Oct 19 '10 at 15:47
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Finding the handle to a WPF window
Windows forms had a property win1.Handle which, if I recall, returns the handle of the main window handle?
4 Answers
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Are Javascript arrays sparse?
...e surprising behaviours). Using non-integers as keys is very unwise, and arbitrary objects are right out.
– bobince
Oct 2 '09 at 18:30
72
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What is data oriented design?
...s we only get 1 cache miss to update all the 10 balls. These numbers are arbitrary - I assume a cache block is bigger.
But it illustrates how memory layout can have severe effect on cache hits and thus performance. This will only increase in importance as the difference between CPU and RAM speed wi...
Does Flask support regular expressions in its URL routing?
...fly?
– Games Brainiac
Jul 13 '13 at 10:38
1
This looks like the regex will be evaluated directly ...
Is there a link to GitHub for downloading a file in the latest release of a repository?
...ile for your distribution and architecture. For the atom text editor on 64-bit Ubuntu: curl -s https://api.github.com/repos/atom/atom/releases | grep browser_download_url | grep '64[.]deb' | head -n 1 | cut -d '"' -f 4
– hobs
May 31 '15 at 18:26
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How to hide keyboard in swift on pressing return key?
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rscrsc
9,10733 gold badges3030 silver badges2828 bronze badges
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How to pretty print nested dictionaries?
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edited Mar 10 '19 at 15:52
answered Jul 12 '10 at 14:49
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How to sort an array in descending order in Ruby
...l have lower values, but the relative differences will remain.
Here's a bit updated version on newer hardware and the 2.1.1 version of Ruby:
#!/usr/bin/ruby
require 'benchmark'
puts "Running Ruby #{RUBY_VERSION}"
ary = []
1000.times {
ary << {:bar => rand(1000)}
}
n = 500
puts "n...