How to write comments on Ruby Comments in Ruby can be written in two ways: Single line comment Single line comment followed by # symbol # This is a single line comment. Multi line co...

Backup Database pg_dump is the PostgreSQL utility to backup the database. To backup a single database, run below command in command line interface as superuser. ~ sudo pg_dump -U postgres -h loca...

When you are on Windows machine You can install BitnamiRubyStack Installers or RubyInstaller. But BitnamiRubyStack always doesnot have latest ruby supported for Win. When you are dealing with Rub...

First you need to install docker, docker-compose, docker-machine, on your system. We need following files initially # install scripts dockerfile # ignore while pushing the code .dockerignore ...

Ruby is a dynamic, open source, server-side scripting, interpreted, reflective, object-oriented, general purpose programming language. It was designed by Yukihiro Matsumato in Japan in the mid-1990...

Ruby on Rails Association When column on database table grows, the column needs to be put into new table if the records emphasizes on data redundancy and data dependency and data normalization tak...

Rails is a server-side web application development framework written in the Ruby programming language. Ruby on Rails help developer to write small to large web applications quickly. Ruby on Rails ...