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Merge/flatten an array of arrays
... concat to merge arrays:
var arrays = [
["$6"],
["$12"],
["$25"],
["$25"],
["$18"],
["$22"],
["$10"]
];
var merged = [].concat.apply([], arrays);
console.log(merged);
Using the apply method of concat will just take the second parameter as an array, so the last l...
Firefox Add-on RESTclient - How to input POST parameters?
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5 Answers
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jQuery show for 5 seconds then hide
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355
You can use .delay() before an animation, like this:
$("#myElem").show().delay(5000).fadeOut()...
Get last result in interactive Python shell
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Underscore.
>>> 5+5
10
>>> _
10
>>> _ + 5
15
>>> _
15
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ASP MVC href to a controller/view
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edited May 16 '16 at 5:35
answered Jul 16 '13 at 8:08
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How to compare two strings in dot separated version format in Bash?
Is there any way to compare such strings on bash, e.g.: 2.4.5 and 2.8 and 2.4.5.1 ?
29 Answers
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Can dplyr package be used for conditional mutating?
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Preventing Laravel adding multiple records to a pivot table
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How to get execution time in rails console?
... Jeremy Baker
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answered Aug 19 '10 at 13:35
ShadwellShadwell
31.9k1414 gold...
Create an index on a huge MySQL production table without table locking
I need to create an index on a ~5M rows MySQL table. It is a production table, and I fear a complete block of everything if I run a CREATE INDEX statement...
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