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RegEx to parse or validate Base64 data
...idates quite well. If you'd just like to match base64-ish I'd come up with doing ^[a-zA-Z0-9+/]={0,3}$, this is better!
– Lodewijk
Sep 10 '14 at 0:59
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How to use mod operator in bash?
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Try the following:
for i in {1..600}; do echo wget http://example.com/search/link$(($i % 5)); done
The $(( )) syntax does an arithmetic evaluation of the contents.
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What is “assert” in JavaScript?
What does assert mean in JavaScript?
14 Answers
14
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Uniq by object attribute in Ruby
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You can improve it with a to_proc (ruby-doc.org/core-1.9.3/Symbol.html#method-i-to_proc): @photos.uniq &:album_id
– joaomilho
Nov 10 '13 at 15:42
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How to activate virtualenv?
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New python executable in venv/bin/python
Installing distribute.........done.
Installing pip................done.
$ source venv/bin/activate
(venv)$ python
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How to use the CancellationToken property?
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Thanks! This does not follow from the online text, quite authoritative (book "C# 4.0 in a Nutshell"?) I cited. Could you give me a reference about "always"?
– Fulproof
Feb 25 '13 at 13:37
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Calling a Method From a String With the Method's Name in Ruby
How can I do what they are talking about here , but in Ruby?
4 Answers
4
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Checking if jquery is loaded using Javascript
...brary and that library happens to share the same $() syntax.
Remove your $(document).ready() (use something like window.onload instead):
window.onload = function() {
if (window.jQuery) {
// jQuery is loaded
alert("Yeah!");
} else {
// jQuery is not loaded
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How do negative margins in CSS work and why is (margin-top:-5 != margin-bottom:5)?
...e this (not to scale):
The margin box lost 8px on the top, however this does not affect the content & padding boxes. Because your element is absolutely positioned, moving the element 8px up does not cause any further disturbance to the layout; with static in-flow content that's not always the...
Split string to equal length substrings in Java
.... Furthermore, \G is not implemented consistently across the flavors that do support it. This trick will work (for example) in Java, Perl, .NET and JGSoft, but not in PHP (PCRE), Ruby 1.9+ or TextMate (both Oniguruma). JavaScript's /y (sticky flag) isn't as flexible as \G, and couldn't be used th...