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Git search for string in a single file's history
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Maven: how to do parallel builds?
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Aggregate function in an SQL update query?
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Looking for files NOT owned by someone
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Why are ToLookup and GroupBy different?
...What happens when you call ToLookup on an object representing a remote database table with a billion rows in it?
The billion rows are sent over the wire, and you build the lookup table locally.
What happens when you call GroupBy on such an object?
A query object is built; end of story.
When that...
Difference between double and single curly brace in angular JS?
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Does Notepad++ show all hidden characters?
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Git submodule inside of a submodule (nested submodules)
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Ruby on Rails Callback, what is difference between :before_save and :before_create?
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In a create operation under Rails, there are six callbacks before the database operation, and two after. In order, these are:
before_validation
before_validation_on_create
after_validation
after_validation_on_create
before_save
before_create
DATABASE INSERT
after_create
after_save
Update operat...
MySQL - ORDER BY values within IN()
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