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Get a pixel from HTML Canvas?
...color.
for (var i = 0, n = pix.length; i < n; i += 4) {
pix[i ] = 255 - pix[i ]; // red
pix[i+1] = 255 - pix[i+1]; // green
pix[i+2] = 255 - pix[i+2]; // blue
// i+3 is alpha (the fourth element)
}
// Draw the ImageData at the given (x,y) coordinates.
context.putImageData(imgd,...
How to stop Gradle task execution in Android Studio?
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152
you can call ./gradlew --stop in a Terminal and it will kill all gradle processes
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Dealing with multiple Python versions and PIP?
...mple, I want to use pip to explicitly install things to either my site 2.5 installation or my site 2.6 installation.
23 A...
What is the 'instanceof' operator used for in Java?
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Cache Staheli
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answered Sep 5 '11 at 23:37
user166390user166390
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How do you access command line arguments in Swift?
...ambpkamb
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Check empty string in Swift?
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answered Jun 10 '14 at 5:00
chrisjleechrisjlee
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Is there a way to disable the Title and Subtitle in Highcharts?
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edited Feb 26 '16 at 15:50
answered Apr 10 '13 at 16:05
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lodash multi-column sortBy descending
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As of lodash 3.5.0 you can use sortByOrder (renamed orderBy in v4.3.0):
var data = _.sortByOrder(array_of_objects, ['type','name'], [true, false]);
Since version 3.10.0 you can even use standard semantics for ordering (asc, desc):
var d...
How to validate an email address using a regular expression?
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