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How does Rails keep track of which migrations have run for a database?
...chema_migrations.
For example, running a migration file named 20120620193144_create_users.rb will insert a new row with a version of 20120620193144 into the schema_migrations table.
You are free at any point to introduce migrations with earlier versions. Rails will always run any new migrations fo...
Get loop count inside a Python FOR loop
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answered Oct 16 '13 at 8:34
Vikram GargVikram Garg
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NSLog an object's memory address in overridden description method
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To print address use %p format specifier and self pointer:
-(NSString *) description {
retu...
Python: Get the first character of the first string in a list?
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What is ModelState.IsValid valid for in ASP.NET MVC in NerdDinner?
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How to sort a Ruby Hash by number value?
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Disable intellij indexing on specific folder
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RAW POST using cURL in PHP
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will php set the content-length header for you or should you set that as well?
– Eric Bloch
Jul 13 '1...