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Get contentEditable caret index position
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Does a break statement break from a switch/select?
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201
Break statements, The Go Programming Language Specification.
A "break" statement termin...
What is the best way to get all the divisors of a number?
... factors = list(factorGenerator(n))
nfactors = len(factors)
f = [0] * nfactors
while True:
yield reduce(lambda x, y: x*y, [factors[x][0]**f[x] for x in range(nfactors)], 1)
i = 0
while True:
f[i] += 1
if f[i] <= factors[i][1]:
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(![]+[])[+[]]… Explain why this works
..., for example.
![]; // false, it was truthy
!{}; // false, it was truthy
!0; // true, it was falsey
!NaN; // true, it was falsey
After it, we have the second operand of the addition, an empty Array, [], this is made just to convert the false value to String, because the string representation of...
Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink
WebKit/Blink's (Safari/Chrome) default behaviour on MacOS since 10.7 (Mac OS X Lion) is to hide scroll bars from trackpad users when they're not in use. This can be confusing ; the scroll bar is often the only visual cue that an element is scrollable.
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Express command not found
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With the release of Express 4.0.0 it looks like you need to do sudo npm install -g express-generator.
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The simplest way to resize an UIImage?
...Phone app, I take a picture with the camera, then I want to resize it to 290*390 pixels. I was using this method to resize the image :
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How can I sharpen an image in OpenCV?
...f frame into image: (both cv::Mat)
cv::GaussianBlur(frame, image, cv::Size(0, 0), 3);
cv::addWeighted(frame, 1.5, image, -0.5, 0, image);
The parameters there are something you need to adjust for yourself.
There's also Laplacian sharpening, you should find something on that when you google.
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Set scroll position
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You can use window.scrollTo(), like this:
window.scrollTo(0, 0); // values are x,y-offset
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Convert Go map to json
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