I have a migration that\'s breaking in the middle of a couple of schema changes. When it breaks an exception is thrown and rake db:migrate exits, leaving my database in a half-migrated state.
If I change the type of a field in my database via a Ruby 开发者_运维百科on Rails migration, from string to text, will I lose the data in the field?As far as I remember, SQLite uses the type only for
Is there a way where I can transfer a ASP.Net application completely to a new system? I h开发者_开发知识库ave copied the project directory before and it usually works, but I have issues with \"Referen
I\'m using Core data in an iOS project. I have the data model setup for automatic data migration whenever I modify entity properties. But I recently made some changes to some entity relationships and
I currently use Authlogic in a web-app to handle user authentication, but have now decided to create a limited API which would seem to require the use of a single_access_token.
We recently migrated a large ASP. website from framework 1.1 to framework 3.5 and in the process also migrated from a website to a web application.
I\'m currently investigating if it makes sense to delay some minor planned refactoring work and combine it with the migration to Java 7, but I\'m a little bit concerned that it might make it harder to
We wou开发者_开发问答ld like to migrate an application written using EJB2.1 beans (both Entity and Sessions beans) to EJB3 to improve on maintanance and use new features in the EJB3 spec.
I have the migration file db\\migrate\\20100905201547_create_blocks.rb. How can I spec开发者_StackOverflow中文版ifically rollback that migration file?rake db:rollback STEP=1
In Rails 3, I created a table with a migration, then added a column with a migration which creates a has_many, belongs_to relationship....
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