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Python dict how to create key or append an element to key?
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edited Sep 30 '14 at 22:31
answered Oct 16 '12 at 0:43
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Unittest setUp/tearDown for several tests
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edited Dec 5 '11 at 20:13
answered Dec 5 '11 at 19:56
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Random date in C#
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edited Jan 13 '16 at 23:10
Jeremy Thompson
49.5k1919 gold badges141141 silver badges245245 bronze badges
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Capistrano error tar: This does not look like a tar archive
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answered May 29 '14 at 15:09
kubbingkubbing
6,80044 gold badges2020 silver badges1717 bronze badges
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How to fix the aspect ratio in ggplot?
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110
In ggplot the mechanism to preserve the aspect ratio of your plot is to add a coord_fixed() laye...
How can I pad a value with leading zeros?
...n for you, don't use this solution!
Potentially outdated: ECMAScript 2017 includes String.prototype.padStart and Number.prototype.toLocaleString is there since ECMAScript 3.1. Example:
var n=-0.1;
n.toLocaleString('en', {minimumIntegerDigits:4,minimumFractionDigits:2,useGrouping:false})
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do { … } while (0) — what is it good for? [duplicate]
I've been seeing that expression for over 10 years now. I've been trying to think what it's good for. Since I see it mostly in #defines, I assume it's good for inner scope variable declaration and for using breaks (instead of gotos.)
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How to find the size of localStorage
...xecute this snippet in JavaScript console (one line version):
var _lsTotal=0,_xLen,_x;for(_x in localStorage){ if(!localStorage.hasOwnProperty(_x)){continue;} _xLen= ((localStorage[_x].length + _x.length)* 2);_lsTotal+=_xLen; console.log(_x.substr(0,50)+" = "+ (_xLen/1024).toFixed(2)+" KB")};console...
Convert a binary NodeJS Buffer to JavaScript ArrayBuffer
...rayBuffer(buf.length);
var view = new Uint8Array(ab);
for (var i = 0; i < buf.length; ++i) {
view[i] = buf[i];
}
return ab;
}
From ArrayBuffer to Buffer:
function toBuffer(ab) {
var buf = Buffer.alloc(ab.byteLength);
var view = new Uint8Array(ab);
for (var i...
Replacing column values in a pandas DataFrame
... something like this:
w['female'] = w['female'].map({'female': 1, 'male': 0})
(Here I convert the values to numbers instead of strings containing numbers. You can convert them to "1" and "0", if you really want, but I'm not sure why you'd want that.)
The reason your code doesn't work is because...