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Uniq by object attribute in Ruby
...most elegant way to select out objects in an array that are unique with respect to one or more attributes?
14 Answers
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How to delete (not cut) in Vim?
How can I delete a line without putting it into my default buffer?
6 Answers
6
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How to import a single table in to mysql database using command line
I had successfully imported a database using command line, but now my pain area is how to import a single table with its data to the existing database using command line.
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How to beautify JSON in Python?
Can someone suggest how I can beautify JSON in Python or through the command line?
13 Answers
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How to Reverse Fragment Animations on BackStack?
...e system would reverse animations on the backstack when the back button is pressed when using fragments using the following code:
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Stack smashing detected
I am executing my a.out file. After execution the program runs for some time then exits with the message:
9 Answers
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Zoom in on a point (using scale and translate)
I want to be able to zoom in on the point under the mouse in an HTML 5 canvas, like zooming on Google Maps . How can I achieve that?
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How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]
...lution:
[...new Set(a)];
Alternative:
Array.from(new Set(a));
Old response. O(n^2) (do not use it with large arrays!)
var arrayUnique = function(a) {
return a.reduce(function(p, c) {
if (p.indexOf(c) < 0) p.push(c);
return p;
}, []);
};
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Google Chrome display JSON AJAX response as tree and not as a plain text
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To see a tree view in recent versions of Chrome:
Navigate to Developer Tools > Network > the given response > Preview
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Can we append to a {% block %} rather than overwrite?
In my core.html I have a block labeled javascript. It would be great if I can append more lines to this block without overwriting everything in it.
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