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JavaScript + Unicode regexes
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205
Situation for ES 6
The upcoming ECMAScript language specification, edition 6, includes Unicode-...
How do I get the real .height() of a overflow: hidden or overflow: scroll div?
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Use the .scrollHeight property of the DOM node: $('#your_div')[0].scrollHeight
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How do I find if a string starts with another string in Ruby?
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answered Nov 12 '10 at 20:02
steenslagsteenslag
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Understanding scala enumerations
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150
the Enumeration trait has a type member Value representing the individual elements of the enumer...
How can I truncate a datetime in SQL Server?
...e a datetime value (as to remove hours minutes and seconds) in SQL Server 2008?
13 Answers
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Embed SVG in SVG?
...ur SVG file. For fun, save the following as recursion.svg:
<svg width="100%" height="100%" viewBox="-100 -100 200 200" version="1.1"
xmlns="http://www.w3.org/2000/svg">
<circle cx="-50" cy="-50" r="30" style="fill:red" />
<image x="10" y="20" width="80" height="80" href="recu...
Replace a value if null or undefined in JavaScript
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Here’s the JavaScript equivalent:
var i = null;
var j = i || 10; //j is now 10
Note that the logical operator || does not return a boolean value but the first value that can be converted to true.
Additionally use an array of objects instead of one single object:
var options = {
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What's a redirect URI? how does it apply to iOS app for OAuth2.0?
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Read this:
http://www.quora.com/OAuth-2-0/How-does-OAuth-2-0-work
or an even simpler but quick explanation:
http://agileanswer.blogspot.se/2012/08/oauth-20-for-my-ninth-grader.html
The redirect URI is the callback entry point of the app. Think about how OAuth fo...
Google Chrome form autofill and its yellow background
..." to any color you want.
input:-webkit-autofill {
-webkit-box-shadow: 0 0 0 1000px white inset !important;
}
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Pandas get topmost n records within each group
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>>> df.groupby('id').head(2)
id value
id
1 0 1 1
1 1 2
2 3 2 1
4 2 2
3 7 3 1
4 8 4 1
(Keep in mind that you might need to order/sort before, depending on your data)
EDIT: As mentioned by the questioner, use df.gro...