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Rails 3 check if attribute changed
Need to check if a block of attributes has changed before update in Rails 3.
5 Answers
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@UniqueConstraint and @Column(unique = true) in hibernate annotation
What is difference between @UniqueConstraint and @Column(unique = true) ?
4 Answers
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How to prevent http file caching in Apache httpd (MAMP)
I am developing a single page Javascript application in MAMP. My JavaScript and HTML template files are getting cached between requests.
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How to use JavaScript variables in jQuery selectors?
How do I use JavaScript variables as a parameter in a jQuery selector?
6 Answers
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Jquery selector input[type=text]')
I wrote a code that basically selects all input type=text element like this:
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What is the “__v” field in Mongoose
I'm using Mongoose version 3 with MongoDB version 2.2. I've noticed a __v field has started appearing in my MongoDB documents. Is it something to do with versioning? How is it used?
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How can I get sin, cos, and tan to use degrees instead of radians?
When I'm working with math in JS I would like its trig functions to use degree values instead of radian values. How would I do that?
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Normalization in DOM parsing with java - how does it work?
I saw the line below in code for a DOM parser at this tutorial .
3 Answers
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Returning first x items from array
I want to return first 5 items from array. How can I do this?
5 Answers
5
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How to branch with TortoiseHG
I downloaded TortoiseHg 1.0 for evaluation. For the life of me I can't figure out how to make a branch. It seems to understand branches (e.g. in its repository browser) but I just can't seem to find a way to make a branch. This seems like such a fundamental capability since out of the often toute...