abruckman

Big O Notation

How can we measure quality of code?

• Readability - How easily can we tell what you were trying to make?
• Time - How long does it take to run?
• Space - How much data do you have to store to run your code?
• Lines of code

Time example

jhermann

Useful emoji for git commit messages

If you add emoji to your commit messages for a GitHub repo, they become less boring, and you can convey the kind of change you're adding. See the full set of GitHub supported emoji here (also useful for easy copy&paste via a simple click).

The following is a possible scheme to use:

shime

What is this?

How do you compare date/times in RSpec?

If you do this

expect(Time.now.to_i).to eq Time.new(2014, 4, 2).to_i

jhjguxin

In this article, I'll walk through a basic Rails (3.2.x) setup for creating a nested resource for two models. Nested resources work well when you want to build out URL structure between two related models, and still maintain a RESTful convention. This code assumes you are running RVM to manage Ruby/Gem versions, and Git for version control.

Creating a new Rails project

$ mkdir family # create rvm gemset 
$ echo "rvm use --create ruby-1.9.2@family" > family/.rvmrc 
$ cd family # install rails 
$ gem install rails # create new rails project 
$ rails new . # version control