Git – Fast Version Control System

Git is getting popular in Rails community these days, as there were being many changes in rails to support Git.
Git is a open sourse fast version controller system. It was originally designed by Linus Torvalds to handle large projects. It was inspired by Monotone & BitKeeper. It is a distributed version controlling system. It gives […] Continue reading

Migration: Adding/Removing columns are now much easier

You may have noticed by now, that in Rails 2.0 changeset 7422, you can specify columns you want to add/remove in your migration by passing attribute:type pairs to the migration generator.
For example, lets assume that we need to add a column ‘role’ in users table(User model). In this case generate a migration like:

script/generate migration […] Continue reading

Ruby Script for SVN commit notification with log message, list of updated files and readable colored SVN Diff

Some days ago I wrote a post about “SVN commit notification” which uses a perl script for sending commit notification with svn diff by mail. In this mail you can find svn diff from the last committed revision. I used to love this mail, soon I realized that it is a bit ugly and difficult […] Continue reading

Single Table Inheritance validates_uniqueness_of Problem

Consider a case of STI where:

class User < ActiveRecord::Base validates_uniqueness_of :name end class Customer < User end class Manager < User end Now try following at console: User.create(:name => “Akhil Bansal”)
Manager.create(:name => “Akhil Bansal”)
Customer.create(:name => “Akhil Bansal”)

This will let you create three records in users table with same name, validates_uniqueness_of written in User class has no effect on it. validates_uniqueness_of automatically […] Continue reading

Running Rails Application on https with pound

Hours ago, I posted about, “How to deploy rails application with pound as a Balancer”.
Lets run rails application on https with pound. For that your machine should have:
* Pound installed with ssl support
* Pound and mongrels running
Now, First of all we need a ssl certificate, that can be generate by issuing “openssl req -x509 -newkey […] Continue reading

Deploying rails application with pound as a Balancer

Now a days Apache + mod_proxy + mongrel_clusters, Lighttpd + Mongrel cluster and Nginx + mongrel cluster are well known for deploying rails applications.
You can also deploy your rails application with pound(a reverse proxy, load balancer and HTTPS front-end for Web server).
First you need to setup mongrel_clusters for your rails application by issuing […] Continue reading

Acts_as_solr: Starting solr server on windows

I was using acts_as_searchable for one of my project, which uses Hyperestraier in background. Yesterday I decided to use acts_as_solr which uses solr(based on Lucene Java search library). I did all written in its Manual/Readme, but when I issued

rake solr:start

to start the solr server, it threw a heart breaking “Bad file descriptor” error, […] Continue reading

Customizing CruiseControl build for RSpec

Yesterday I posted about CruiseControl for Rails projects. It was working fine with all my rails projects using traditional test cases, But today I faced a problem with a project using RSpec. Actually, By default CruiseControl follows the following step to build:

rake db:test:purge
rake db:migrate
rake test

This default was not working with my last project As I […] Continue reading