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Top Questions
51
votes
RegEx to match Bitcoin addresses?
regex
bitcoin
asked Feb 10, 2014 at 17:15
stackoverflow.com
49
votes
Multibyte trim in PHP?
php
regex
unicode
multibyte
mbstring
asked Apr 8, 2012 at 21:23
stackoverflow.com
42
votes
Web scraping in PHP
php
html
curl
html-parsing
web-scraping
asked Mar 21, 2012 at 21:39
stackoverflow.com
31
votes
When is it semantically correct to use the hr element?
html
css
html5
semantic-markup
asked Mar 28, 2012 at 1:58
stackoverflow.com
24
votes
Regex to match a slug?
php
regex
asked Oct 8, 2013 at 19:14
stackoverflow.com
23
votes
Proper session hijacking prevention in PHP
php
security
session
sessionid
session-hijacking
asked Dec 7, 2011 at 17:02
stackoverflow.com
19
votes
Is FILTER_VALIDATE_URL being too strict?
php
url
asked Mar 21, 2012 at 7:44
stackoverflow.com
15
votes
Modernizr vs HTML shiv
javascript
internet-explorer
html5
browser
asked Nov 26, 2011 at 1:16
stackoverflow.com
15
votes
Detecting emails in a text
php
regex
email
preg-replace
preg-match
asked Mar 19, 2012 at 0:27
stackoverflow.com
14
votes
How expensive are MySQL events?
mysql
sql
database
crontab
schedule
asked Apr 20, 2012 at 6:50
stackoverflow.com
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Top Answers
55
Hide element by class in pure Javascript
stackoverflow.com
34
div height 100 percent
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30
Convert HTML5 canvas to IMG element
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27
How to style HTML5 range input to have different color before and after slider?
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15
Why is this HTML5 document invalid?
stackoverflow.com
12
Echo var from PHP into textarea control
stackoverflow.com
10
Embedded PHP not displaying in html page
stackoverflow.com
10
How can I code cellspacing=0 so it is valid HTML5?
stackoverflow.com
9
Display message before redirect to other page
stackoverflow.com
9
canvas.getContext('2D') returns null value
stackoverflow.com
8
Can I safely use unicode characters (e.g. accents) in CSS class names or ids?
stackoverflow.com
7
PHP see if a 'last sent' date was 30+ days ago
stackoverflow.com
6
PHP Ternary Operator checking if variable contains something?
stackoverflow.com
6
Can I use label for a label tag?
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6
Uncaught TypeError: Object #<HTMLDocument> has no method 'alert'
stackoverflow.com
6
Convert string number to integer number
stackoverflow.com
5
Class not found using namespace
stackoverflow.com
5
Get the first word from text and add it to input value on click
stackoverflow.com
5
Canvas fillStyle none in HTML5
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5
How pass variable from php to jQuery
stackoverflow.com
5
javascript or PHP to perform search and replace functionality
stackoverflow.com
stackoverflow.com