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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 ...
Twitter bootstrap dropdown goes outside the screen
... to ul.dropdown-menu should do it
Deprecation Notice: As of Bootstrap v3.1.0, .pull-right on dropdown menus is deprecated. To right-align a menu, use .dropdown-menu-right.
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What is the difference between README and README.md in GitHub projects?
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.md is markdown. README.md is used to generate the html summary you see at the bottom of proj...
Resolving conflicts: how to accept “their” changes automatically?
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answered Mar 21 '13 at 11:10
NofflsNoffls
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ViewPager with previous and next page boundaries
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CommonsWareCommonsWare
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Are empty HTML5 data attributes valid?
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useruser
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Confusion: @NotNull vs. @Column(nullable = false) with JPA and Hibernate
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@NotNull is a JSR 303 Bean Validation annotation. It has nothing to do with database constrain...
C++ Double Address Operator? (&&)
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edited May 23 '17 at 11:47
Community♦
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check if directory exists and delete in one command unix
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answered Jun 20 '16 at 13:32
Nick GrealyNick Grealy
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