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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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Unable to access JSON property with “-” dash
...dited Nov 25 '16 at 3:38
user663031
answered Dec 13 '12 at 22:31
SLaksSLaks
770k161161...
How to find/remove unused dependencies in Gradle
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+50
UPDATE: 28-06-2016: Android support to unused-dependency
In June, 2017, they have released the 4.0.0 version
and renamed the roo...
What's the difference between CENTER_INSIDE and FIT_CENTER scale types?
...han making the edges match exactly.
so if you had a square box that was 10" x 10" and an image that was 8"x8", the CENTER_INSIDE would be directly in the middle of the box with 2" between the source and the destination container.
With the FIT_CENTER, that same image from the example above, woul...
Authenticating in PHP using LDAP through Active Directory
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answered Oct 5 '08 at 14:10
ceejayozceejayoz
161k3737 gold badges257257 silver badges331331 bronze badges
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How to add Active Directory user group as login in SQL Server
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marc_smarc_s
650k146146 gold badges12251225 silver badges13551355 bronze badges
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warning: [options] bootstrap class path not set in conjunction with -source 1.5
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102
From a blog post:
To use javac from JDK N to cross-compiler to an older platform version, t...
Apply CSS style attribute dynamically in Angular JS
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190
ngStyle directive allows you to set CSS style on an HTML element dynamically.
Expression wh...
How do I create directory if it doesn't exist to create a file?
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400
To Create
(new FileInfo(filePath)).Directory.Create() Before writing to the file.
....Or, If ...
SQLAlchemy IN clause
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answered Dec 22 '11 at 11:20
SimonSimon
9,43444 gold badges3030 silver badges3737 bronze badges
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