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Extract a number from a string (JavaScript)
...ace all leading non-digits with nothing
in the general case:
thenum = "foo3bar5".match(/\d+/)[0] // "3"
Since this answer gained popularity for some reason, here's a bonus: regex generator.
function getre(str, num) {
if(str === num) return 'nice try';
var res = [/^\D+/g,/\D+$/g,/^\D...
Automatically resize jQuery UI dialog to the width of the content loaded by ajax
I'm having a lot of trouble finding specific information and examples on this. I've got a number of jQuery UI dialogs in my application attached to divs that are loaded with .ajax() calls. They all use the same setup call:
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How to pass a user defined argument in scrapy spider
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How to get a value from a cell of a dataframe?
...k when you try to pass the conditionals inline; my_df.loc[my_df['Col1'] == foo]['Col2'] still returns an object of type <class 'pandas.core.series.Series'>
– user5359531
Nov 18 '16 at 3:54
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Saving utf-8 texts in json.dumps as UTF8, not as \u escape sequence
sample code:
12 Answers
12
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Converting camel case to underscore case in ruby
...A-Z][a-z])/, '\1_\2').
gsub(/([a-z])([A-Z])/, '\1_\2').
downcase
end
"FooBar".snake_case #=> "foo_bar"
"HeadlineCNNNews".snake_case #=> "headline_cnn_news"
"CNN".snake_case #=> "cnn"
Using regular expression in css?
...; div:first-child
Match a div with a specific attribute.
#main > div[foo="bar"]
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Why would you use Expression rather than Func?
I understand lambdas and the Func and Action delegates. But expressions
stump me.
10 Answers
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How to get the focused element with jQuery?
...document.activeElement;
// Does the element have focus:
var hasFocus = $('foo').is(':focus');
// No jQuery:
elem === elem.ownerDocument.activeElement;
Which one should you use? quoting the jQuery docs:
As with other pseudo-class selectors (those that begin with a ":"), it is recommended to p...
Is it possible to declare git repository as dependency in android gradle?
I want to use master version of my lib from mavencentral.
5 Answers
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