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How can I strip the whitespace from Pandas DataFrame headers?
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138
You can give functions to the rename method. The str.strip() method should do what you want.
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Get the index of the nth occurrence of a string?
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10 Answers
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How to get a one-dimensional scalar array as a doctrine dql query result?
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197
PHP < 5.5
You can use array_map, and since you only have on item per array, you can elegan...
Python non-greedy regexes
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219
You seek the all-powerful *?
From the docs, Greedy versus Non-Greedy
the non-greedy qualif...
How to find all occurrences of an element in a list?
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16 Answers
16
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Mockito test a void method throws an exception
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edited Jul 16 at 19:35
hooknc
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ans...
Case insensitive regex in JavaScript
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214
You can add 'i' modifier that means "ignore case"
var results = new RegExp('[\\?&]' + name...
Using PassportJS, how does one pass additional form fields to the local authentication strategy?
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179
There's a passReqToCallback option that you can enable, like so:
passport.use(new LocalStrate...
How can I extract a good quality JPEG image from a video file with ffmpeg?
...le:v (or the alias -q:v) as an output option.
Normal range for JPEG is 2-31 with 31 being the worst quality.
The scale is linear with double the qscale being roughly half the bitrate.
Recommend trying values of 2-5.
You can use a value of 1 but you must add the -qmin 1 output option (because the de...
How can I detect whether an iframe is loaded?
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185
You may try this (using jQuery)
$(function(){
$('#MainPopupIframe').load(function(){...