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Interfacing with structs and anonymous unions with c2hs
...unsigned int sensor;
int x;
int y;
int z;
} tilt;
};
};
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Understanding Canvas and Surface concepts
...o, and Surface Flinger renders these to the final display in their correct Z-order. A surface typically has more than one buffer (usually two) to do double-buffered rendering: the application can be drawing its next UI state while the surface flinger is compositing the screen using the last buffer,...
Which regular expression operator means 'Don't' match this character?
...tefan
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Reference assignment operator in PHP, =&
...often written such that it runs into the other variable like $x = &$y['z']; or $x = &$someVar (ampersand dollar sign variable name). Example simplified from the docs:
$a = 3;
$b = &$a;
$a = 4;
print "$b"; // prints 4
Here's a handy link to a detailed section on Assign By Reference i...
Drawing Isometric game worlds
...ded more illustrations, changed formating.
Perhaps the advantage for the "zig-zag" technique for mapping the tiles to the screen can be said that the tile's x and y coordinates are on the vertical and horizontal axes.
"Drawing in a diamond" approach:
By drawing an isometric map using "drawing in ...
Function to calculate distance between two coordinates
... edited Jul 18 '14 at 20:53
CTZStef
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answered Sep 18 '13 at 23:10
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Finding quaternion representing the rotation from one vector to another
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Quaternion q;
vector a = crossproduct(v1, v2);
q.xyz = a;
q.w = sqrt((v1.Length ^ 2) * (v2.Length ^ 2)) + dotproduct(v1, v2);
Don't forget to normalize q.
Richard is right about there not being a unique rotation, but the above should give the "shortest arc," which is proba...
Passing a list of kwargs?
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How to extract a string using JavaScript Regex?
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Struct inheritance in C++
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