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What is the difference between varchar and nvarchar?
...id doing encoding conversions every time you read from or write to the database. Conversions take time, and are prone to errors. And recovery from conversion errors is a non-trivial problem.
If you are interfacing with an application that uses only ASCII, I would still recommend using Unicode in th...
Simulate airplane mode in iPhone Simulator
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Overwrite or override
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Deprecated warning for Rails 4 has_many with order
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Webstorm: “Cannot Resolve Directory”
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Fetch first element which matches criteria
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How to sync with a remote Git repository?
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Can I tell the Chrome script debugger to ignore jquery.js?
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Use of an exclamation mark in a Git commit message via the command line
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DROP IF EXISTS VS DROP?
... first one will throw an error if the table doesn't exist, or if other database objects depend on it. Most often, the other database objects will be foreign key references, but there may be others, too. (Views, for example.) The second will not throw an error if the table doesn't exist, but it wi...