Making friends with RuboCop
At Memory.ai, we started using RuboCop heavily. This is a story of how we integrated RuboCop into our existing app. This is not an introductory post to RuboCop. Check out what RuboCop
DNS rebinding attacks protection in Rails 6
It is common practice to run a Rails app using a custom domain locally. app.lvh.me is very common. We also use ngrok.io sometimes to interact with third party services. If
Understanding Webpacker in Rails 6
Starting with Rails 6, Webpacker is the default JavaScript compiler. It means that all the JavaScript code will be handled by Webpacker instead of the old assets pipeline aka Sprockets. Webpacker is different
New framework defaults in Rails 6
Rails 6 is released. This post is part of the Road to Rails 6 series which will prepare you for Rails 6.Every time a new major Rails version is released, there are
Advanced multi-db techniques in Rails 6
Rails 6 is just around the corner. The release candidate two was recently released. This post is part of the Road to Rails 6 series which will prepare you for Rails 6.Check
Setting up Rails 6 app with multiple databases on Heroku
Rails 6 is just around the corner. The release candidate two was recently released. This post is part of the Road to Rails 6 series which will prepare you for Rails 6.When
How to (not) use unscoped in Rails
Active Record provides unscoped to remove all the scopes added to a model previously.class Article default_scope { where(published: true) } end Article.all # SELECT * FROM articles WHERE published = true Article.unscoped # SELECT
Time.use_zone for different timezones in Rails app
Prefer Time.use_zone {} over Time.zone=
Installing capybara-webkit gem on Ubuntu 16.04
I was not able to install capybara-webkit gem on Ubuntu 16.04. I tried to follow the instructions mentioned in the gem wiki to solve this problem.sudo apt-get update sudo apt-get install
Creating pull requests from emacs
Learn how to create pull requests in Github from emacs with the help of magit
b - a hidden method from Ruby string class
After my last post on how Ruby initializes objects, Sagar shared with me following code.class Abc attr_accessor :a, :b def self.new(a, b) @a = a @b = b end end o
Understanding how Ruby initializes objects
Deep buried in Rails source code, there is a code snippet:class DeprecationProxy def self.new(*args, &block) object = args.first return object unless object super end ... end It was added 9