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Strip all non-numeric characters from string in JavaScript
...ons.info/reference.html The built-in character classes each have built-in complements. \d \D (digits versus everything but digits) \w \W (word charcters versus everything but word characters) \s \S (whitespace versus everything but whitespace)
– csj
Dec 7 '09 ...
Difference between $(window).load() and $(document).ready() functions
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@MichaelButler: You need to be more clear in your comment. 1) You're talking about the USER executing more $(document).ready code after the DOM is ready. That's such a small use case that it probably wasn't worth confusing everyone with mentioning it. 2) The ENVIRONMENT on...
MySQL error: key specification without a key length
...n already been defined as unique constraints or index. The Alter Table SQL command will fail.
The solution to the problem is to remove the TEXT or BLOB column from the index or unique constraint or set another field as primary key. If you can't do that, and wanting to place a limit on the TEXT or B...
CSS selector - element with a given child [duplicate]
...lement based on its contents. My understanding is it was chosen to provide compatibility with jQuery's custom :has() pseudo-selector*.
In any event, continuing the example from above, to select the p element that contains a span one could use:
p:has(span) {
color: red;
}
* This makes me wonder...
How do you add an in-app purchase to an iOS application?
...r is written in Objective-C
App Store Connect
Go to appstoreconnect.apple.com and log in
Click My Apps then click the app you want do add the purchase to
Click the Features header, and then select In-App Purchases on the left
Click the + icon in the middle
For this tutorial, we are going to be addi...
What does PermGen actually stand for?
... no longer allocated in the permanent generation of the Java heap": oracle.com/technetwork/java/javase/jdk7-relnotes-418459.html
– almalkawi
Dec 20 '13 at 18:41
30
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How to check if a String contains another String in a case insensitive manner in Java?
...ern with the CASE_INSENSITIVE flag for case insensitive matching:
Pattern.compile(Pattern.quote(wantedStr), Pattern.CASE_INSENSITIVE).matcher(source).find();
EDIT: If s2 contains regex special characters (of which there are many) it's important to quote it first. I've corrected my answer since i...
Timer & TimerTask versus Thread + sleep in Java
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How to compare two colors for similarity/difference
...'s article on Color Difference for the right leads.
Basically, you want to compute a distance metric in some multidimensional colorspace.
But RGB is not "perceptually uniform", so your Euclidean RGB distance metric suggested by Vadim will not match the human-perceived distance between colors. For a...
Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?
...everywhere these days, I tend to think it's pretty damn portable. The only common exception for me is on busybox platforms - but you'd probably want to make a special effort for it anyways, given the hardware that it runs on.
– guns
Mar 21 '09 at 16:08
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