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What's the UIScrollView contentInset property for?
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?: operator (the 'Elvis operator') in PHP
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Given an RGB value, how do I create a tint (or shade)?
Given an RGB value, like 168, 0, 255 , how do I create tints (make it lighter) and shades (make it darker) of the color?
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What is the most efficient way to create a dictionary of two pandas Dataframe columns?
...lues,index=df.Position).to_dict()
Out[9]: {1: 'a', 2: 'b', 3: 'c', 4: 'd', 5: 'e'}
Speed comparion (using Wouter's method)
In [6]: df = pd.DataFrame(randint(0,10,10000).reshape(5000,2),columns=list('AB'))
In [7]: %timeit dict(zip(df.A,df.B))
1000 loops, best of 3: 1.27 ms per loop
In [8]: %time...
Reset PHP Array Index
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The array_values() function [docs] does that:
$a = array(
3 => "Hello",
7 => "Mo...
Creating JS object with Object.create(null)?
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Browsers' default CSS for HTML elements
...lorer
3. Default Styles for Chrome / Webkit
4. Default Styles for Opera
5. Default Styles for HTML4 (W3C spec)
6. Default Styles for HTML5 (W3C spec)
Sample, per the default W3C HTML4 spec:
html, address,
blockquote,
body, dd, div,
dl, dt, fieldset, form,
frame, frameset,
h1, h2, h3, h4,
h5, h...
jQuery equivalent of getting the context of a Canvas
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}
setTimeout( function(){ ctx = $('#canvas').get(0).getContext('2d'); }, 500);
Using setTimeout is an easy way to ensure you don't try calling the canvas element before it's fully created and registered to the DOM.
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Format number to 2 decimal places
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edited Oct 22 '18 at 9:57
Madhur Bhaiya
25.4k1010 gold badges3737 silver badges5151 bronze badges
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