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John Carmack's Unusual Fast Inverse Square Root (Quake III)
...ates the inverse square root of a float, 4x faster than regular (float)(1.0/sqrt(x)) , including a strange 0x5f3759df constant. See the code below. Can someone explain line by line what exactly is going on here and why this works so much faster than the regular implementation?
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How to show git log history for a sub directory of a git repo?
...for src/nvfs
$ git log --oneline -- src/nvfs
d6f6b3b Changes for Mac OS X
803fcc3 Initial Commit
# Show all changes (one additional commit besides in src/nvfs).
$ git log --oneline
d6f6b3b Changes for Mac OS X
96cbb79 gitignore
803fcc3 Initial Commit
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Java unchecked: unchecked generic array creation for varargs parameter
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newacctnewacct
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What is the difference between Numpy's array() and asarray() functions?
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answered Aug 30 '18 at 19:06
abarnertabarnert
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Using .text() to retrieve only text not nested in child tags
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DotNetWalaDotNetWala
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Border in shape xml
...e color attribute. Try
<stroke android:width="2dp" android:color="#ff00ffff"/>
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Set default CRAN mirror permanent in R
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edited May 20 '19 at 19:22
miguelmorin
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AngularJS ng-include does not include view unless passed in $scope
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answered Sep 20 '12 at 22:38
ToshTosh
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How does Activity.finish() work in Android?
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answered Apr 7 '10 at 11:06
CommonsWareCommonsWare
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How to change the decimal separator of DecimalFormat from comma to dot/point?
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ChrisChris
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