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Java - get pixel array from image
...ster().getDataBuffer()).getData();
If you are working with large images and performance is an issue, the first method is absolutely not the way to go. The getRGB() method combines the alpha, red, green and blue values into one int and then returns the result, which in most cases you'll do the rev...
How do I request a file but not save it with Wget? [closed]
...
Use q flag for quiet mode, and tell wget to output to stdout with O- (uppercase o) and redirect to /dev/null to discard the output:
wget -qO- $url &> /dev/null
> redirects application output (to a file). if > is preceded by ampersand, sh...
JavaScript, Node.js: is Array.forEach asynchronous?
...k at the specification of the algorithm.
However a maybe easier to understand implementation is given on MDN:
if (!Array.prototype.forEach)
{
Array.prototype.forEach = function(fun /*, thisp */)
{
"use strict";
if (this === void 0 || this === null)
throw new TypeError();
va...
How do I check for null values in JavaScript?
... !user){
Which will check for empty strings (""), null, undefined, false and the numbers 0 and NaN
Please note that if you are specifically checking for numbers it is a common mistake to miss 0 with this method, and num !== 0 is preferred (or num !== -1 or ~num (hacky code that also checks agains...
Selectively revert or checkout changes to a file in Git?
Is there a command that allows you to partially undo the changes to a file (or files) in the working directory?
4 Answers
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How do I make a reference to a figure in markdown using pandoc?
I'm currently writing a document in markdown and I'd like to make a reference to an image from my text.
6 Answers
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How to turn on line numbers in IDLE?
...on 3.8 or newer:
To show line numbers in the current window, go to Options and click Show Line Numbers.
To show them automatically, go to Options > Configure IDLE > General and check the Show line numbers in new windows box.
Version 3.7 or older:
Unfortunately there is not an option to display...
Deleting lines from one file which are in another file
...
This has O(n²) complexity and will start to take hours to complete once the files contain more than a few K lines.
– Arnaud Le Blanc
Jan 24 '11 at 10:59
...
Limit results in jQuery UI Autocomplete
...ice(0, 10));
}
});
You can supply a function to the source parameter and then call slice on the filtered array.
Here's a working example: http://jsfiddle.net/andrewwhitaker/vqwBP/
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Can a class extend both a class and implement an Interface
Can a class extend both an interface and another class in PHP?
Basically I want to do this:
3 Answers
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