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Detect IE version (prior to v9) in JavaScript
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Can someone explain this 'double negative' trick? [duplicate]
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251
A logical NOT operator ! converts a value to a boolean that is the opposite of its logical value...
raw vs. html_safe vs. h to unescape html
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391
Considering Rails 3:
html_safe actually "sets the string" as HTML Safe (it's a little more comp...
OSX - How to auto Close Terminal window after the “exit” command executed.
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14 Answers
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Regex lookahead, lookbehind and atomic groups
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Examples
Given the string foobarbarfoo:
bar(?=bar) finds the 1st bar ("bar" which has "bar" after it)
bar(?!bar) finds the 2nd bar ("bar" which does not have "bar" after it)
(?<=foo)bar finds the 1st bar ("bar" which has "foo" before it)
(?<!foo)bar finds the 2nd bar ("...
UILabel with text of two different colors
...ame
value:[UIColor redColor]
range:NSMakeRange(10, 1)];
[label setAttributedText: text];
I created a UILabel extension to do it.
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Calculate text width with JavaScript
...ll be within a few pixels of the string rendered size.
var fontSize = 12;
var test = document.getElementById("Test");
test.style.fontSize = fontSize;
var height = (test.clientHeight + 1) + "px";
var width = (test.clientWidth + 1) + "px"
console.log(height, width);
#Test
{
position...
Thin web server: `start_tcp_server': no acceptor (RuntimeError) after git branch checkout
... returns something like:
33467 s002 S+ 0:00.00 grep rails
33240 s003 S+ 0:15.05 /Users/Arta/.rbenv/versions/1.9.2-p290/bin/ruby script/rails s -p 3000
kill it, and run anew:
$ kill -9 33240
$ rails s
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