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How do you write a migration to rename an ActiveRecord model and its table in Rails?
...had to go and rename the model declaration file manually.
Edit:
In Rails 3.1 & 4, ActiveRecord::Migration::CommandRecorder knows how to reverse rename_table migrations, so you can do this:
class RenameOldTableToNewTable < ActiveRecord::Migration
def change
rename_table :old_table_nam...
Eclipse error: indirectly referenced from required .class files?
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answered Apr 5 '11 at 5:39
Arne DeutschArne Deutsch
13.7k44 gold badges4646 silver badges7272 bronze badges
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How do I accomplish an if/else in mustache.js?
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513
This is how you do if/else in Mustache (perfectly supported):
{{#repo}}
<b>{{name}}<...
Semicolons superfluous at the end of a line in shell scripts?
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Michał ŠrajerMichał Šrajer
25.3k44 gold badges4949 silver badges7373 bronze badges
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Add leading zeroes to number in Java? [duplicate]
...feel like it should be in the library somewhere (like Integer.toString(x,"%3d") or something)
5 Answers
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ActiveRecord OR query
How do you do an OR query in Rails 3 ActiveRecord. All the examples I find just have AND queries.
14 Answers
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How to pass optional arguments to a method in C++?
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AustinWBryan
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answered Sep 24 '10 at 4:07
Pramendra GuptaPramend...
Adding elements to object
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edited Jan 9 '13 at 12:06
answered Jan 9 '13 at 11:56
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Are class names in CSS selectors case sensitive?
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edited Feb 3 '18 at 20:45
chharvey
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How to stop line breaking in vim
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310
Use
:set wrap
To wrap lines visually, i.e. the line is still one line of text, but Vim dis...