Set up a Ruby project with RSpec

01/30/19  Public, Testing / TDD, Ruby General

1. First make sure you have rspec and byebug installed:

➜  byebug -v
  Running byebug 9.1.0
➜  rspec -v
RSpec 3.6
  - rspec-core 3.6.0
  - rspec-expectations 3.6.0
  - rspec-mocks 3.6.0
  - rspec-rails 3.6.1
  - rspec-supp...

Disabling and re-enabling a rubocop rule for a specific set of code

11/07/17  Public, Testing / TDD

For example, if this rule is in your .rubocop.yml file:

Style/RedundantSelf:
  Description: Don't use self where it's not needed.
  StyleGuide: https://github.com/bbatsov/ruby-style-guide#no-self-unless-required
  Enabled: true
`...

Checking for rubocop offenses in a given file

11/07/17  Public, Testing / TDD

You can check what is/is not passing rubocop for a given file by calling:

rubocop app/whatever/whatever/my_file.rb

You can get even more output by passing it the -D flag, which adds the actual name of the cop.

rub...

When making API call In postman, how to pass a JSON string

11/07/17  Public, Online Resources, Other Languages

• after selecting POST
• click the Body tab
• click the raw radio button
• select the JSON option from the drop-down
• add the JSON code

Favor everything on HEAD in a Git merge conflict

09/28/17  Public, Git

Let's say that you are rebasing your current branch on master, and you run into merge conflicts. For example with a blog.rb file. If you have a situation where you might be inclined to fix it by:

• going to master
• copying the entire ...

Drop and recreate a rails database

08/31/17  Public, Databases

This will destroy your db and then create it and then migrate your current schema:

rake db:drop db:create db:migrate

From: https://stackoverflow.com/a/4116124/3899985

How to edit the /etc/hosts file

05/25/18  Public, Command Line, Online Resources

How to edit the / etc / hosts file:

https://www.tekrevue.com/tip/edit-hosts-file-mac-os-x/

For example, adding:

127.0.0.1    operationcode-psql 

to your /etc/hosts file enables you to run Rails app that uses Docker, withou...

Iterate over a .yml file's contents

07/01/17  Public, Rails General, Ruby General

Let's assume that the .yml file (i.e. code_school.yml) is located in this directory:

config/code_schools.yml

You'll grab the path to the file, and load its contents:

config = Rails.root + 'config/code_schools.yml'
...

Comparing Different Ways to Set Attributes in ActiveRecord (Rails 4)

06/27/17  Public, Rails General

http://www.davidverhasselt.com/set-attributes-in-activerecord/

Nested Rails Params Hash in a Form

06/11/17  Public, Rails General

When implementing a form object approach, you'll want to create a params hash with nested areas for attributes for two different models.

Note the `manager...