Ajax on Rails

Blog moved to Expressica.com -- releasing the captcha plugin with multiple styles of clear images, with random string text

2007-02-05T11:56:00.000-08:00

Hi Everbody !!I am moving this blog to Expressica and i would like to inform all the readers to update their feeds and bookmarks to the new url http://expressica.com .On my new blog i am going to release a captcha plugin which is really very simple to implement. This plugin provides the functionality to add captcha based authentication in your rails applications.It mainly features... Controller

Using Regular Expression in Ruby on Rails -- Regexp for Password Validation

2006-10-19T03:13:00.000-07:00

A regular expression (abbreviated as regexp or regex, with plural forms regexps, regexes, or regexen) is a string that describes or matches a set of strings, according to certain syntax rules. Regular expressions are used by many text editors and utilities to search and manipulate bodies of text based on certain patterns. Many programming languages support regular expressions for string

How to improve the image quality and generate random string image in the plugin validates_captcha

2006-10-17T06:36:00.000-07:00

Validates captcha is a good pluging to implement captcha in your rails application.However i found that there is repetition of the string of the image and the quality of image is not that good. To get a good quality image and random string replace the code of the file /vendor/plugns/validates_captcha/lib/captcha_challenge.rb with the following code...Visit Here for the latest modified source code.

Rake task to remove the image and audio files created by captcha

2006-10-16T05:49:00.000-07:00

To add a rake task to the rails application which removes all the image and audio files created by captcha, create a file named remove_captcha_files.rake in the lib/tasks directory.Add the following code to the lib/tasks/remove_captcha_files.rake file…desc "Remove captcha images and audio files"task :remove_captcha_files do image_path = "#{RAILS_ROOT}/public/images/captcha/" audio_path = "#

RAILS_CONF.include?('VINSOL')

2006-09-14T23:58:00.000-07:00

Marcel Molina, Manik Juneja and DHHDHH and Marcel were surprised to know that there were Rails programmers in India.RailsConf2006VINSOL IS RAILING ....RailsConf2006 marked the presence of Rails based Indian company Vinsol.Vinsol's chief Manik Juneja is attending the conference. The 1st day of conference was shining with good sessions by DHH, Marcel, Jamis Buck, Thomas Fuchs and David

How to prepare test database environment from migrations.

2006-09-06T20:34:00.000-07:00

Usually we build our test database by using$ rake db:test:prepareTo use your migrations for preparing test database create a file testdb.rakein the directory lib/tasks.Now add the following code in the lib/tasks/testdb.rake file. module Rake module TaskManager def redefine_task(task_class, args, &block) task_name, deps = resolve_args(args) task_name = task_class.scope_name(@scope,

Source Code For Ajax Based Drag Drop Navigation Tree For Rails.

2006-08-17T20:08:00.000-07:00

Hello Everyone!for some CSS issues i was not able to publish the source code properly on my wordpress's blog so i am publishing all the code here only. Check this out...CASE STUDYI m providing a very generalized use case where the tree fits in a good position. Here it is...Consider a model MyItem, a controller MyController and a myaction.rhtml as a view. MyItem model is using acts_as_tree and we

Fully Ajax Based Drag Drop Navigation Tree For Ruby on Rails

2006-08-09T03:39:00.000-07:00

Ajaxified tree comes with the following features1.) Containig the ajax links for the tree items using link_to_remote2.) Highlighting the selected node of the tree and other custom effects.3.) Two way syncronization between the tree nodes and the currently displayed item on the web-page.4.) Supports the tree architecture provided ny the acts_as_tree.5.) C lear and self traversing upto the

A GOOD SEARCH TECHNIQUE

2006-06-23T00:43:00.000-07:00

A fine way to search from more than one column from the DB.Even, all the join conditions can easily be provided...Check this out ... TextSearch

DO NOT GO FOR RJS TEMPLATES

2006-06-02T11:56:00.000-07:00

RJS is undoubtly a good method of ajaxification of your web application.But why to have another myaction.rjs file if its functionality could be mergedwithin the action itself.Is it possible ?Oh !!! its like applying butter on bread.......... check this out class MyController < ApplicationController def myaction render :update do ¦ page ¦ page.replace_html 'update_this_element_id'

Net-SSH and Net-SFTP

2006-04-17T11:05:00.000-07:00

Hello readers!This post is all about the power of Ruby.After the day full of work I need to take the backup of my work there on remote as well as on my local machine.Ruby Scripting helps the way out in a beautiful manner. There are two modules Net::SSH and Net::SFTP available at RUBY FORGE which can add a lots of more geek functionalities to your daily routine. One of them has relaxed me a

Why switch to yet another technology ??

2006-04-06T11:27:00.000-07:00

Rails is a full-stack framework for developing database-backed web applications according to the Model-View-Control pattern. From the Ajax in the view, to the request and response in the controller, to the domain model wrapping the database, Rails gives you a pure-Ruby development environment. To go live, all you need to add is a database and a web server.Everyone from startups to non-profits to