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Regex, every non-alphanumeric character except white space or colon
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\d - numeric class
\s - whitespace
a-zA-Z - matches all the letters
^ - negates them all - so you get - non numeric chars, non spaces and non colons
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Can you get DB username, pw, database name in Rails?
I'm writing a rake task that does some DB work outside of Rails/ActiveRecord.
5 Answers
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How can I get the sha1 hash of a string in node.js?
I'm trying to create a websocket server written in node.js
5 Answers
5
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Show which git tag you are on?
I'm having trouble finding out which tag is currently checked out.
6 Answers
6
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npm can't find package.json
I'm trying to install the dependencies of some example: npm's express 2.5.8 that I've downloaded, but all of the apps throw the same error:
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WPF vs Silverlight [duplicate]
What are the exact differences between WPF and Silverlight?
4 Answers
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libxml install error using pip
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** make sure the development packages of libxml2 and libxslt are installed **
From the lxml documentation, assuming you are running a Debian-based distribution :
sudo apt-get install libxml2-dev libxslt-dev python-dev
For Debian based systems, it should ...
HTML5 dragleave fired when hovering a child element
The problem I'm having is that the dragleave event of an element is fired when hovering a child element of that element. Also, dragenter is not fired when hovering back the parent element again.
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Install Node.js on Ubuntu
I'm trying install Node.js on Ubuntu 12.10, but the terminal shows me an error about lost packages. I tried with this:
18 A...
Distinct in Linq based on only one field of the table
I am trying to use .distinct in Linq to get result based on one field of the table (so do not require a whole duplicated records from table).
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