heroku db:pull postgresql://root:@localhost/db_name After this command display this message /usr/lib/ruby/gems/1.8/gems/rest-client-1.6.1/lib/restclient/abstract_response.rb:50: warning: parenthesi
I am currently doing a small pet project involving web programming stuff using Ru开发者_开发技巧by. I am new to web programming, MVC, ORM and so on, so lots of hurdles here.
I\'m trying to make a local backup of the data from my Rails application, which is deployed to Heroku, and running into problems. I followed the taps instructions and installed Taps.
In modern versions of ActiveRecord you can define any number of before_validation handlers using a simpl开发者_如何学Goe declaration:
I\'m using Rails3.rc and Active Record 3 (with meta_where) and just started to switch to Sequel, because it seems to be much faster and offers some really great features.
There is a simple database in Sequel:开发者_如何学JAVA DB = Sequel.sqlite DB.create_table :items do
I\'ve just installed \"sequel\" gem for Ruby. I wanted to try example from Sequel website and it won\'t work :(
I am not clear yet on the proper way to run raw SQL queries with Sequel. Currently I am trying this: DB.开发者_JS百科fetch(\"SELECT * FROM zone WHERE dialcode = \'#{@dialcode}\' LIMIT 1\") do |row|
What are the database abstractions/adapters you are using in Ruby? I am mainly interested in data oriented features, not in those with object mapping (like active record or data mapper).
After an insert, I开发者_StackOverflow need to know the ID from the row, how can I do that?According to the Dataset#insert documentation, the return value for insert() is usually the primary key of th
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