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Why are quaternions used for rotations?
...ns versus a 3x3 rotation matrix, the quaternion has the advantage in size (4 scalars vs. 9) and speed (quaternion multiplication is much faster than 3x3 matrix multiplication).
Note that all of these representations of rotations are used in practice. Euler angles use the least memory; matrices use ...
Convert String[] to comma separated string in java
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edited Sep 18 '14 at 10:17
Sam Harwell
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Is there a W3C valid way to disable autocomplete in a HTML form?
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422
Here is a good article from the MDC which explains the problems (and solutions) to form autoco...
Favourite performance tuning tricks [closed]
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114
Here is the handy-dandy list of things I always give to someone asking me about optimisation.
We...
How to prevent open last projects when intellij idea start
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IntelliJ 14, 15, 16:
Settings -> Appearance & Behaviour -> System Settings -> Reopen last project on startup
Previously:
Settings -> General -> Startup/shutdown -> Reopen last project on startup.
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How to repeat a string a variable number of times in C++?
...lonel Panic
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answered Oct 3 '08 at 12:48
lukeluke
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How do I check OS with a preprocessor directive?
... with links to where they're found:
Windows
_WIN32 Both 32 bit and 64 bit
_WIN64 64 bit only
Unix (Linux, *BSD, Mac OS X)
See this related question on some of the pitfalls of using this check.
unix
__unix
__unix__
Mac OS X
__APPLE__
__MACH__
Both are defined; checking for either sh...
How do I make a text input non-editable?
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724
<input type="text" value="3" class="field left" readonly>
No styling necessary.
See <...
Common CSS Media Queries Break Points [duplicate]
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answered May 8 '13 at 15:43
ralph.mralph.m
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How do you kill all current connections to a SQL Server 2005 database?
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edited Nov 14 '19 at 16:17
JordanGW
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answered Aug 14 '...