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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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Favorite way to create an new IEnumerable sequence from a single value?
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Why does TestInitialize get fired for every test in my Visual Studio unit tests?
...n. This might mean the deletion of files in folders or the return of a database to a known state. An example of this is to reset an inventory database to an initial state after testing a method that is used in an order-entry application.
For more information please refer :
http://msdn.microsoft.co...
.prop('checked',false) or .removeAttr('checked')?
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How do I merge a specific commit from one branch into another in Git?
...ows you to take a single commit (from whatever branch) and, essentially, rebase it in your working branch.
Chapter 5 of the Pro Git book explains it better than I can, complete with diagrams and such. (The chapter on Rebasing is also good reading.)
Lastly, there are some good comments on the cherr...