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What's the best way to set a single pixel in an HTML5 canvas?
... // only do this once per page
d[0] = r;
d[1] = g;
d[2] = b;
d[3] = a;
myContext.putImageData( id, x, y );
Use fillRect() to draw a pixel (there should be no aliasing issues):
ctx.fillStyle = "rgba("+r+","+g+","+b+","+(a/255)+")";
ctx.fillRect( x, y, 1, 1 );
You can test the ...
Import an existing git project into GitLab?
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answered May 27 '15 at 13:10
raverenraveren
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What is the difference between a generative and a discriminative algorithm?
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Android - Camera preview is sideways
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13
The mCamera.setParameters(parameters); statement crash my app, because the surface dimensions are not a valid preview size for my phone (may...
How to print a dictionary's key?
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392
A dictionary has, by definition, an arbitrary number of keys. There is no "the key". You have ...
Convert date to another timezone in JavaScript
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edited May 9 at 11:33
Rizky Ramadhan
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Chrome Dev Tools: How to trace network for a link that opens a new tab?
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223
Check out chrome://net-internals/#events (or chrome://net-export in the latest version of Chrome...
LEGO EV3 机器人传感器面板 · App Inventor 2 中文网
... 搜索 LEGO EV3 机器人传感器面板
LEGO EV3 机器人传感器面板
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示例项目文件：
EV3 传感器介绍
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How is the undo tree used in Vim?
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143
See also :h undo-redo, which lists all the commands and their usage.
There are two ways to tr...
How do I change the text of a span element using JavaScript?
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