rails in EASY way
Monday, September 20, 2010
Thursday, June 24, 2010
Execute MYSQL queries in rails
we can use MYSQL queries in rails, by using the following connection method
connection = ActiveRecord::Base.connection();
output = connection.execute("select test from test_table
output.each do |row|
puts row[0]
the output will be an array
connection = ActiveRecord::Base.connection();
output = connection.execute("select test from test_table
output.each do |row|
puts row[0]
the output will be an array
MYSQL in rails
we can use MYSQL server in rails instead of sqllite,for that we have to configure the database.yml(config/database.yml) file like this
development:
adapter: mysql
database: database name_development
host: localhost
socket: /var/run/mysqld/mysqld.sock
encoding: utf8
username: username
password: password
test:
adapter: mysql
database: database name_test
host: localhost
socket: /var/run/mysqld/mysqld.sock
encoding: utf8
username: username
password: password
production:
development
development:
adapter: mysql
database: database name_development
host: localhost
socket: /var/run/mysqld/mysqld.sock
encoding: utf8
username: username
password: password
test:
adapter: mysql
database: database name_test
host: localhost
socket: /var/run/mysqld/mysqld.sock
encoding: utf8
username: username
password: password
production:
development
Wednesday, June 23, 2010
Rails History
Ruby on Rails, often shortened to Rails or RoR, is an open source web application framework for the Ruby programming language. It is intended to be used with an Agile development methodology that is used by web developers for rapid development
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Ruby on Rails was extracted by David Heinemeier Hansson from his work on Basecamp, a project management tool by 37signals (now a web application company).David Hansson first released Rails as open source in July 2004, but did not share commit rights to the project until February 2005.In August 2006 the framework reached a milestone when Apple announced that it would ship Ruby on Rails with Mac OS X v10.5 "Leopard", which was released in October 2007.
Rails version 2.3 was released on March 15, 2009. Major new developments in Rails includes templates, engines,Rack and nested model forms.
- Templates enable the developer to generate a skeleton application with custom gems and configurations.
- Engines let one reuse application pieces complete with routes, view paths and models.
- The Rack web server interface and Metal allow one to write optimized pieces of code that route around ActionController.
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