Ruby Check if key exists in hash In Ruby on Rails Programming you might have to check if key exists in hash and based on that you might have to perform other operation. There is a simple way to detect
Rails rake db migrate with down, up, redo, rollback options rake db migrate - This can be used to migrate your production/test database using various options like up, down, step, redo, version etc. In this tutorial we will learn how all these options
Rails ruby difference between single and double quotes In “Ruby difference between single and double quotes” is very common question that you might come across while using single quotes and double quotes in Ruby on Rails development. We will see in
Rails uncaught exception address already in use bind(2) uncaught exception address already in use bind(2)
Rails NoMethodError: You have a nil object when you didn’t expect it! NoMethodError: You have a nil object when you didn’t expect it!
Rails What is gemset in Ruby on Rails? This article will help you understand what is gemset in ruby and all about creating and using gemsets in Ruby and RVM.
