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...

Creating form objects with ActiveModel

06/11/17  Public, Rails General

https://revs.runtime-revolution.com/creating-form-objects-with-activemodel-346e6c2abbf3

https://revs.runtime-revolution.com/saving-multiple-models-with-form-objects-and-transactions-2c26f37f7b9a

A superior alternative to `accepts_nested_attr...

Sublime text - jump to top of tree

05/07/17  Public, Shortcuts

1. control + 0 focuses on the tree
2. cmd + up-arrow jumps to the top of the tree