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What is a good regular expression to match a URL? [duplicate]
...[-a-zA-Z0-9()@:%_\+.~#?&//=]*)
To try this out see http://regexr.com?37i6s, or for a version which is less restrictive http://regexr.com/3e6m0.
Example JavaScript implementation:
var expression = /[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)?/gi;...
Change select box option background color
... tag...
select option {
margin: 40px;
background: rgba(0, 0, 0, 0.3);
color: #fff;
text-shadow: 0 1px 0 rgba(0, 0, 0, 0.4);
}
If you want to style each one of the option tags.. use the css attribute selector:
select option {
margin: 40px;
background: rgba(0, 0, 0, 0.3);...
Pythonic way to print list items
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Assuming you are using Python 3.x:
print(*myList, sep='\n')
You can get the same behavior on Python 2.x using from __future__ import print_function, as noted by mgilson in comments.
With the print statement on Python 2.x you will need iteration of som...
Nested rows with bootstrap grid system?
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305
Bootstrap Version 3.x
As always, read Bootstrap's great documentation:
3.x Docs: https://get...
What does the number in parentheses shown after Unix command names in manpages mean?
For example: man(1) , find(3) , updatedb(2) ?
7 Answers
7
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Append values to a set in Python
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answered Aug 2 '10 at 22:43
Alex MartelliAlex Martelli
724k148148 gold badges11251125 silver badges13241324 bronze badges
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Search for string and get count in vi editor
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edited Jun 3 '15 at 9:51
Martin Tournoij
22.1k1717 gold badges8585 silver badges116116 bronze badges
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Swift make method parameter mutable?
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As stated in other answers, as of Swift 3 placing var before a variable has been deprecated. Though not stated in other answers is the ability to declare an inout parameter. Think: passing in a pointer.
func reduceToZero(_ x: inout Int) {
while (x != 0) {
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Overriding id on create in ActiveRecord
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13 Answers
13
Active
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