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When to use a “has_many :through” relation in Rails?
I am trying to understand what has_many :through is and when to use it (and how). However, I am not getting it. I am reading Beginning Rails 3 and I tried Googling, but I am not able to understand.
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Sleep Command in T-SQL?
Is there to way write a T-SQL command to just make it sleep for a period of time? I am writing a web service asynchronously and I want to be able to run some tests to see if the asynchronous pattern is really going to make it more scalable. In order to "mock" an external service that is slow, I wa...
How do I verify a method was called exactly once with Moq?
How do I verify a method was called exactly once with Moq? The Verify() vs. Verifable() thing is really confusing.
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FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)
I cannot find find FragmentPagerAdapter within Android.App.
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Regular Expression: Any character that is NOT a letter or number
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await vs Task.Wait - Deadlock?
I don't quite understand the difference between Task.Wait and await .
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What is the difference between assert, expect and should in Chai?
What is the difference between assert , expect and should , and when to use what?
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What is q=0.5 in Accept* HTTP headers?
What do these 'q=%f' mean?
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Difference between 'python setup.py install' and 'pip install'
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What is the difference between the $parse, $interpolate and $compile services?
What is the difference between $parse , $interpolate and $compile services?
For me they all do the same thing: take template and compile it to template-function.
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