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html5 - canvas element - Multiple layers
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<div style="position: relative;">
<canvas id="layer1" width="100" height="100"
style="position: absolute; left: 0; top: 0; z-index: 0;"></canvas>
<canvas id="layer2" width="100" height="100"
style="position: absolute; left: 0; top: 0; z-index: 1;"></canvas>...
Access an arbitrary element in a dictionary in Python
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edited May 15 at 15:06
gmelodie
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answered Jun 22 '10 at 23:28
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Creating range in JavaScript - strange syntax
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+1000
Understanding this "hack" requires understanding several things:
Why we don't just do Array(5).map(...)
How Function.prototype.app...
Does List guarantee insertion order?
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edited Dec 20 '17 at 13:22
UuDdLrLrSs
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Check play state of AVPlayer
...t; duration]);
CMTime firstThird = CMTimeMakeWithSeconds(durationSeconds/3.0, 1);
CMTime secondThird = CMTimeMakeWithSeconds(durationSeconds*2.0/3.0, 1);
NSArray *times = [NSArray arrayWithObjects:[NSValue valueWithCMTime:firstThird], [NSValue valueWithCMTime:secondThird], nil];
self.playerObserver...
ruby convert array into function arguments
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104
You can turn an Array into an argument list with the * (or "splat") operator:
a = [0, 1, 2, 3,...
How to convert an Stream into a byte[] in C#? [duplicate]
...] ReadToEnd(System.IO.Stream stream)
{
long originalPosition = 0;
if(stream.CanSeek)
{
originalPosition = stream.Position;
stream.Position = 0;
}
try
{
byte[] readBuffer = new byte[4096];
int tot...
Saving a Numpy array as an image
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answered May 24 '09 at 0:26
dF.dF.
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Most efficient way to reverse a numpy array
...vehasteveha
64.4k1616 gold badges8181 silver badges109109 bronze badges
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CSS horizontal centering of a fixed div?
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left: 50%;
margin-left: -400px; /* Half of the width */
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