Tag: Ruby On Rails

Connect MS SQL Server with Rails

To connect MS SQL Server with Ruby on Rails follow the below steps: SQL Server (2005 or higher recommended) Install the adapters and driver [code] gem install tiny_tds gem install activerecord-sqlserver-adapter [/code] Ensure the activerecord adapter and db driver gems are defined in your Gemfile [code] gem ‘tiny_tds’ gem ‘activerecord-sqlserver-adapter’ [/code]

Permanent link to this article: https://blog.openshell.in/2013/04/connect-ms-sql-server-with-rails/

Unable to create rails application with sqlserver

Could not find “config/databases/sqlserver.yml” in any of your source paths. Your current source paths are: $HOME/.rvm/gems/ruby-1.9.3-p194@rails3tutorial2ndEd/gems/railties-3.2.8/lib/rails/generators/rails/app/templates Error: Template sqlserver.yml file missing. Solution: Need to update sqlserver.yml file in the specific location to fix this issue. Step1: Download sqlserver.yml configuration file. Step2: Extract the downloaded zip file. Step3: Copy extracted sqlserver.yml configuration file into the location which …

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Permanent link to this article: https://blog.openshell.in/2013/04/unable-to-create-rails-application-with-sqlserver/

uninitialized constant Rake::DSL Ruby Windows Solution

rake aborted! uninitialized constant Rake::DSL C:/Ruby192/lib/ruby/1.9.1/rake.rb:2482:in `const_missing’ C:/Ruby192/lib/ruby/gems/1.9.1/gems/rake-0.9.1/lib/rake/tasklib.rb:8:in `’ Now, the first step I took towards solving this problem is to issue “bundle update rake” command to update my rake. This will update rake to the latest version. An example log for this update is provided below; bundle update rake Fetching source index for http://rubygems.org/ …

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Permanent link to this article: https://blog.openshell.in/2011/07/uninitialized-constant-rakedsl-ruby-windows-solution/

Random Image Rotation in ROR

It’s pretty easy to accomplish random image rotation in ROR. This is a simple example of how it can be done, and of course there are ways to make it better (for example, this snippet will only rotate and display .jpg, .gif, and .png files). First, create a folder – let’s name it “rotate” – …

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Permanent link to this article: https://blog.openshell.in/2011/01/random-image-rotation-in-ror/

Enable .htaccess in Apache2

At first You should define,  mod_rewrite is a part of Apache server that can rewrite requested urls on the fly. To enable in Ubuntu, you just need to write this command in terminal sudo a2enmod rewrite Then edit /etc/apache2/sites-available/default Find the following Options Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all and change …

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Permanent link to this article: https://blog.openshell.in/2010/12/enable-htaccess-in-apache2/

Configure Ruby on Rails with no database

Although Rails is intended for creating database-backed web applications, this example is simple enough that it doesn’t require one. In this case, you need to edit the enviroment.rb configuration file to indicate that your application does not use a database. It is possible to disable loading ActiveRecord by making a simple modification to environment.rb: 1. …

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Permanent link to this article: https://blog.openshell.in/2010/12/configure-ruby-on-rails-with-no-database/

Fixing libmysql.dll issue in Rails

While working on rails with mysql as database you may got error like this “This application has failed to start because libmysql.dll was not found. Re-installing the application may fix this problem” while executing the code ‘rake db:create’. If that so, then fallow the fallowing steps: 1. type the command in the console gem install …

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Permanent link to this article: https://blog.openshell.in/2010/12/fixing-libmysql-dll-issue-in-rails/

Quoting HTML attribute values

The values of attributes can contain text, hexadecimal color codes or numbers. In case of JavaScript event handlers, the values consist of small JavaScript code. A sincere advice for good and clean HTML coding is to always put quotes around attribute values. It is a good habit, will save you many headaches and avoid errors …

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Permanent link to this article: https://blog.openshell.in/2010/12/quoting-html-attribute-values/

Tips to inspect the code in Rails

Inspect It inspects the value. It formats the array with square brace, hash with curly braces with arrows between the key value pairs inspecting parameter. Type It identifying the type of the instance variable. Debug It give nice, easy to read inspection of the value and displayed in a formatted way. These are all some …

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Permanent link to this article: https://blog.openshell.in/2010/11/tips-to-inspect-the-code-in-rails/

Ruby Symbols Description

Matter related to the old and new Ruby programmer, and Ruby’s symbols are confusing sometimes or always. Smoothly before this, can not get used is pretty. People learn about the Ruby language is often Rubionreiruzu learn from the project. The Rubionreiruzu symbol is everywhere. There really is everywhere. So, pay attention to the concept of …

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Permanent link to this article: https://blog.openshell.in/2010/11/ruby-symbols-description/