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java: ArrayList - how can i check if an index exists?
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answered Jan 25 '10 at 11:14
AmarghoshAmarghosh
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How to downgrade or install an older version of Cocoapods
... of cocoa pods via the following command:
sudo gem install cocoapods -v 0.25.0
You can use older installed versions with following command:
pod _0.25.0_ setup
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What does the constant 0.0039215689 represent?
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0.0039215689 is approximately equal to 1/255.
Seeing that this is OpenGL, performance is probably important. So it's probably safe to guess that this was done for performance reasons.
Multiplying by the reciprocal is faster than repeatedly dividing by 255.
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How to check if a model has a certain column/attribute?
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edited Sep 25 '15 at 4:34
mahemoff
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What are the differences between segment trees, interval trees, binary indexed trees and range trees
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+25
All these data structures are used for solving different problems:
Segment tree stores intervals, and optimized for "which of these...
C++ catching all exceptions
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answered Nov 25 '08 at 0:22
Greg DGreg D
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Android: Rotate image in imageview by an angle
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Exception NoClassDefFoundError for CacheProvider
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Marty Pitt
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answered Nov 25 '11 at 19:09
Aaron Doug...
How to use the 'sweep' function
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edited Jul 25 '19 at 10:13
Rekyt
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answered May 3 '11 at...
What is the fastest integer division supporting division by zero no matter what the result is?
... T t, U u ) -> decltype(t/(u+!u)) { return t/(u+!u); } And if you want 255, (lhs)/(rhs+!rhs) & -!rhs
– Yakk - Adam Nevraumont
May 27 '13 at 18:08
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