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What is the most efficient way to store tags in a database?
I am implementing a tagging system on my website similar to one stackoverflow uses, my question is - what is the most effective way to store tags so that they may be searched and filtered?
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Is returning by rvalue reference more efficient?
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What is the PostgreSQL equivalent for ISNULL()
In MS SQL-Server, I can do:
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Get time difference between two dates in seconds
I'm trying to get a difference between two dates in seconds. The logic would be like this :
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@RequestParam in Spring MVC handling optional parameters
Is it possible for a Spring controller to handle both kind of requests?
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How to convert a ruby hash object to JSON?
How to convert a ruby hash object to JSON? So I am trying this example below & it doesn't work?
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Using a constant NSString as the key for NSUserDefaults
I'm using NSUSerDefaults to store user preferences. I remember reading somewhere that setting the keys as constants is a good idea - and I agree. The following code is what I currently have:
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.gitignore exclude files in directory but not certain directories
This doesn't seem to be working. When I clone the project, there is no "application/cache" folder or "application/cache/folder" folder, etc...
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How should I write tests for Forms in Django?
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Return only string message from Spring MVC 3 Controller
Can any one tell me how I can return string message from controller?
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