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

Shortened, one line version of a spec

04/25/17  Public, Testing / TDD

Here is the full syntax version of a spec:

it "returns no results" do
  expect(results).to be_nil
end

Here is the same spec, in the shortened, one line version:

it { expect(results).to be_nil }

Disable an ES lint rule - inline

04/24/17  Public, Other Languages

http://eslint.org/docs/user-guide/configuring#disabling-rules-with-inline-comments

The linting error I was receiving was:

Do not mutate state directly. Use setState() 

Here is an example of applying the inline disabling of the r...

Expand out html tags in React jsx files using Emmet

02/18/17  Public, Shortcuts

control + e

turns span.blah into <span className="blah"></span>