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Regex to Match Symbols: !$%^&*()_+|~-=`{}[]:";'?,./
...aracter class. The hyphen is a special character in character classes, so it needs to be first:
/[-!$%^&*()_+|~=`{}\[\]:";'<>?,.\/]/
You also need to escape the other regular expression metacharacters.
Edit:
The hyphen is special because it can be used to represent a range of characte...
How to assign colors to categorical variables in ggplot2 that have stable mapping?
I've been getting up to speed with R in the last month.
5 Answers
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xef in position 1
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This is to do with the encoding of your terminal not being set to UTF-8. Here is my terminal
$ echo $LANG
en_GB.UTF-8
$ python
Python 2.7.3 (default, Apr 20 2012, 22:39:59)
[GCC 4.6.3] on linux2
Type "help", "copyright", "credits" or "li...
What is the purpose of class methods?
...n that operates on MyClass (factory, dependency injection stub, etc), make it a classmethod. Then it'll be available to subclasses.
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Passing parameters in rails redirect_to
...t append them to the options:
redirect_to controller: 'thing', action: 'edit', id: 3, something: 'else'
Would yield /thing/3/edit?something=else
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How can you integrate a custom file browser/uploader with CKEditor?
...lear - what's the correct way to integrate a custom file browser/uploader with CKEditor? (v3 - not FCKEditor)
8 Answers
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Is 'switch' faster than 'if'?
Is a switch statement actually faster than an if statement?
12 Answers
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'uint32_t' identifier not found error
...but not standard in C++03. According to the Wikipedia page on the header, it hasn't shipped with Visual Studio until VS2010.
In the meantime, you could probably fake up your own version of the header by adding typedefs that map Microsoft's custom integer types to the types expected by C. For exam...
Undocumented NSURLErrorDomain error codes (-1001, -1003 and -1004) using StoreKit
I'm writing StoreKit-related code, and I'm getting some rather troubling error codes when I try to add a purchase to the queue.
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Javascript regex returning true.. then false.. then true.. etc [duplicate]
I have a strange problem with the validation I am writing on a form. It is a 'Check Username' button next to an input. The input default value is the username for example 'betamax'. When I press 'Check Username' it passes the regex and sends the username to the server. The server behaves as expected...