Rails Connect to Remote Database in Development

In Rails Connect to Remote Database on localhost, task can be achieved by editing database.yml file in your Rails application. Make changes to host, username, password and database in your database yaml file to connect to remote database.

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Author's profile picture Akshay Mohite on MySQL and Rails |

Ruby read json file to hash

In Ruby read json file to hash can be achieved using File Handling. Example to parse json file to hash is illustrated with this tutorial.

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Author's profile picture Akshay Mohite on Rails |

Ruby draw line on image using RMagick

In Ruby draw line on image, draw circle on image/ various shapes can be drawn using RMagick gem. To install RMagick gem you need to add RMagick in Gemfile

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Author's profile picture Akshay Mohite on Rails |

Pagination in Rails with will_paginate gem

Pagination in Rails can be implemented easily with will_paginate gem. will_paginate modifies Collection of ActiveRecord in a way to implement pagination.

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Author's profile picture Akshay Mohite on Rails |

What is attr_accessor in Rails?

attr_accessor is used to define an attribute for object of Model which is not mapped with any column in database. This answers question - What is attr_accessor in Rails.

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Author's profile picture Akshay Mohite on Rails |

Rails Migration Difference between Text and String

While working with Rails Migration Difference between Text and String is important to be known to every developer. Columns and their data types are finalized while deciding Table structure.

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Author's profile picture Akshay Mohite on Rails |

How to integrate Semantic UI Rails with Rails App

Semantic UI is the new popular CSS, JS framework for beautifying your Website. Tutorial will help understand how to integrate Semantic UI with Rails application and how to test the sample Semantic UI components with your Rails application.

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Author's profile picture Akshay Mohite on Rails |

How to integrate Twitter Bootstrap Rails with Rails

How to Integrate Twitter Bootstrap Rails with Rails project is the First question that developers have to face before starting a new project. It can be done using Gem twitter-bootstrap-rails or manually.

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Author's profile picture Akshay Mohite on Rails |

ActiveRecord Attributes – access using Strings, Symbols and Direct Access

Attributes can be accessed from ActiveRecord in various ways including symbolised, stringified or direct access. Each type of access has it’s own advantages and disadvantages as we will see in this tutorial.

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Author's profile picture Akshay Mohite on Rails |

Rails NameError uninitialized constant class solution

rails nameerror uninitialized constant class will occur if your rails console is not loaded with configuration of the class file containing method being called.

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Author's profile picture Akshay Mohite on Rails |

Ruby get file extension from string

Sometimes developer requires to extract only file extension from the string object. File class can be used to perform this operation. We will see how to use File class to get the extension name.

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Author's profile picture Akshay Mohite on Rails |

Difference between && and and in Ruby

   Difference between && and and in ruby is mainly the Precedence of these operators. ‘and’ and ‘&&’ both have different precedence. This tutorial will help understanding with the help of examples.

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Author's profile picture Akshay Mohite on Rails |

Ruby difference between collect and map

This is common question for Ruby on Rails developer(Beginner). Map and Collect both are looping methods used on Array, Hash etc. This tutorial will help understanding the exact difference between these two methods.

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Author's profile picture Akshay Mohite on Rails |

RVM basic commands

rvm install, rvm uninstall, rvm use, rvm list, rvm upgrade, rvm get stable, rvm gemset like commands will be illustrated.

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Author's profile picture Akshay Mohite on Rails |

can’t find the ‘libpq-fe.h header *** extconf.rb failed ***

can’t find the ‘libpq-fe.h header *\* extconf.rb failed **, you may find this when you get error installing pg gem in your ruby environment.

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Author's profile picture Akshay Mohite on Rails |