Blog
Page 183 of my articles, tutorials, and thoughts
Latest Articles
Generate model in Rails using user_id:integer vs user:references
š **Title: Understanding Rails Models: user_id vs user:references** š Hey there! Are you feeling puzzled about generating a model that belongs to another model in Rails? You're not alone! In this blog post, we'll dive into the differences between using
Validate uniqueness of multiple columns
# Validate Uniqueness of Multiple Columns: A Rails Solution š Have you ever wondered how to ensure the uniqueness of multiple columns in your Rails application? š¤ It's not uncommon to encounter situations where you need to validate that a record is uniq
How to test if parameters exist in rails
# Testing if Parameters Exist in Rails: A Comprehensive Guide šš§ Are you struggling to test whether specific request parameters are set in your Ruby on Rails application? š¤ Don't worry, you're not alone! This blog post aims to address this common issue
Rails: How do I create a default value for attributes in Rails activerecord"s model?
# Creating a Default Value for Attributes in Rails ActiveRecord's Model š Hey there, fellow Rails enthusiasts! Have you ever wondered how to set a default value for an attribute in Rails ActiveRecord's model? Look no further because we've got you covered
Unable to install gem - Failed to build gem native extension - cannot load such file -- mkmf (LoadError)
# Unable to Install Gem: Failed to Build Gem Native Extension - Cannot Load Such File (LoadError) š« Are you experiencing trouble installing a gem in Ruby and getting the dreaded "Failed to build gem native extension" error with the message "cannot load s
Determine what attributes were changed in Rails after_save callback?
# š Rails Model Observers: Handling attribute changes in the after_save callback š So, you want to send a notification in your Rails application only when a specific attribute, let's say `published`, is changed from `false` to `true` using an `after_sav
ActiveRecord OR query
š **Title: Unleashing the Magic of ActiveRecord OR Query in Rails 3** š Hey there, tech enthusiasts! Are you stuck in a dilemma trying to figure out how to perform an OR query in Rails 3 ActiveRecord? š¤ Don't worry, you're not alone! Many developers ha
Library not loaded: libmysqlclient.16.dylib error when trying to run "rails server" on OS X 10.6 with mysql2 gem
# Solving the "Library not loaded: libmysqlclient.16.dylib" error when running `rails server` with mysql2 gem on OS X 10.6 š **Introduction** If you've encountered the "Library not loaded: libmysqlclient.16.dylib" error while trying to run the `rails se
Rails find_or_create_by more than one attribute?
# Rails find_or_create_by more than one attribute? š¤š Have you ever come across a situation in Rails where you needed to find or create a record based on more than one attribute? šµļøāāļøš Don't worry, you're not alone! š¤ Many developers have faced this
Rails :dependent => :destroy VS :dependent => :delete_all
š Hey there fellow Rails enthusiasts! š©āš» Have you ever come across the Rails options `:dependent => :destroy` and `:dependent => :delete_all` and wondered what the difference is between them? š¤ Don't worry, you're not alone! Many developers find this