Topics

• Exceptions
• Getting started with SQL
• Getting started with Ruby Language
• Getting started with Go
• Getting started with Ruby on Rails
• Classes
• Hashes
• Routing
• Structs
• Branching
• Blocks and Procs and Lambdas
• Classes and IDs
• Inheritance
• Control Flow
• Variables
• Maps
• Slices
• HTTP Server
• HttpURLConnection
• Error Handling
• ActiveRecord
• Strings
• Symbols
• Exceptions
• Getting started with Elixir Language
• JSON
• Thread
• Methods
• Constants
• Numbers
• Iteration
• IEx Console Tips & Tricks
• Gem Usage
• Data Structures
• Getting started with rspec
• Functions
• Maps and Keyword Lists
• Bisecting/Finding faulty commits
• Dynamic Evaluation
• Keyword Arguments
• RSpec and Ruby on Rails
• Devise & OmniAuth Multiple Providers

Examples

• NetworkOnMainThreadException
• Hello World from IRB
• Hello, World!
• Creating a class
• Constructor
• Accessing Values
• Exported vs. Unexported Fields (Private vs Public)
• Giving an element an ID
• if, elsif, else and end
• Basic Variable Declaration
• Multiple Variable Assignment
• Declaring and initializing a map
• Creating a map
• Zero value of a map
• Iterating the elements of a map
• Iterating the keys of a map
• Deleting a map element
• Counting map elements
• HTTP Hello World with custom server and mux
• Hello World
• Creating an HttpURLConnection
• Sending an HTTP GET request
• Reading the body of an HTTP GET request
• Hello World
• Using a handler function
• Creating an error value
• Creating a custom error type
• Returning an error
• Handling an error
• Creating a Model manually
• Creating a Model via generator
• Difference between single-quoted and double-quoted String literals
• Creating a String
• String concatenation
• String interpolation
• Case manipulation
• Splitting a String
• Joining Strings
• Creating a Symbol
• Converting a String to Symbol
• Converting a Symbol to String
• Raising an exception
• Creating a custom exception type
• Handling an exception
• Handling multiple exceptions
• Basic Thread Semantics
• Hello World
• Declaring a constant
• Removing elements / "Slicing" slices
• Creating an Integer
• Converting a String to Integer
• Basic JSON Encoding
• Basic JSON decoding
• Get the value of a previous command with `v`
• FizzBuzz
• Implementation in a class
• Creating a Map
• Iterating Over a Hash
• Push branch to remote
• Decoding JSON data from a file
• Installing RSpec
• Creating a Keyword List
• Iterating the values of a map
• Anonymous Functions
• Difference between Maps and Keyword Lists
• Hello World from IEx
• Multiple constants declaration
• Installing Rails
• Add and install the Devise gem
• Create Controller users/omniauth_callbacks_controller.rb
• Create Controller Concern omni_concern.rb
• Add authentication_provider migration
• Add user_authentication migration
• Add Associations in authentication_provider.rb
• Add the following code to user_authentication.rb
• Add the following code to user.rb
• Add Model Concern omniauth_attributes_concern.rb
• Add route for users/omniauth_callbacks_controller.rb in routes.rb
• Add Social Media Account Keys in devise.rb
• Add Gems in Gemfile for OmniAuth
• Installing RSpec
• Configuring JSON struct fields
• Defining a method
• How to kill a thread
• Evaluating a String
• Using keyword arguments
• Required keyword arguments
• Using arbitrary keyword arguments with splat operator
• Encoding/Decoding using Go structs