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How does Rails keep track of which migrations have run for a database?
... schema_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 ...
Hibernate show real SQL [duplicate]
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377
Can I see (...) the real SQL
If you want to see the SQL sent directly to the database (th...
Resolving conflicts: how to accept “their” changes automatically?
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answered Mar 21 '13 at 11:10
NofflsNoffls
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How to make the first option of selected with jQuery
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answered Sep 12 '09 at 4:31
David AndresDavid Andres
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How to pull remote branch from somebody else's repo
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363
git remote add coworker git://path/to/coworkers/repo.git
git fetch coworker
git checkout --tra...
WCF service startup error “This collection already contains an address with scheme http”
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ericvgericvg
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Getting binary content in Node.js using request
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303
+100
OK, af...
How to create a hex dump of file containing only the hex characters without spaces in bash?
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Giacomo1968
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answered Apr 10 '10 at 20:27
mark4omark4o
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Facebook API - How do I get a Facebook user's profile image through the Facebook API (without requir
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edited Jun 9 '16 at 18:37
Community♦
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answered May 12 '10 at 17:13
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Right query to get the current number of connections in a PostgreSQL DB
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233
Those two requires aren't equivalent. The equivalent version of the first one would be:
SELECT...