- Using Pry to Learn Ruby
- The Power of Pry
- Where did this method come from?
- Debugging using Pry
- Understanding Exceptions
- What are Exceptions and Why They Happen
- Understanding Stack Traces
- Using Exceptions
- At Exit
- Custom Exceptions
- Common Errors Guide
- Working with Data
- Strings
- Putting Strings Together
- Manipulating Strings
- Working with Characters
- Immutability and Frozen Strings
- Arrays
- Let's review: What's an Array?
- Basic Operations
- Iterating Over Arrays
- More Array Operations
- The Splat Operator
- Operations Involving Multiple Arrays
- Hash tables
- Using Hash Tables
- Basic Usage
- Iterating Over Hash Values
- Default Values
- Using Fetch and Merge
- The Dig Method (new in Ruby 2.3)
- Ranges
- Inclusive & Exclusive ranges
- Iterating over ranges
- Stepping
- Random number within a range
- Data Serialization
- CSV
- JSON
- YAML
- Strings
- The Ruby Object Model
- Introduction to the object model
- Super-classes
- The singleton class
- Ruby Internals
- Constants in Ruby
- Constant Lookup
- Ruby Method Sugar
- Procs & Lambdas
- What's a block & how to use them
- Lambdas vs Blocks
- Closures
- Using to_proc
- Understanding Require
- Why do we need require
- How Ruby gems are required
- Require vs Load
- Regular Expressions
- Character ranges
- Capture groups
- Ruby methods for working with regular expressions
- Modules
- 5 different ways to use modules
- Enumerable
- 3 Ruby methods everyone should know
- How to include Enumerable in your own class
- Using Sinatra
- How to write a simple API
- Interacting with a database
- Performance
- How to make your programs faster
- Comparing Objects
- The Comparable module & the spaceship operator
- Metaprogramming
- Creating dynamic methods
- Creating dynamic constants
- Using hooks
- Writing a DSL
- What is a DSL & how to implement one
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October 13, 2017 15:57
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