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201240 Topics
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Binary Literals
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Large Integer Literals
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Character Literals
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Barewords
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Array Literals
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Forwardable
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Constructors
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#fetch as an Assertion
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Symbol Literals
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Finding $HOME
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Method and Message
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#fetch for Defaults
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Singleton Objects
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super
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Advanced #fetch
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super in Modules
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Pay it Forward
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Subclassing Array
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Pluggable Selector
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Struct
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Domain Model Events
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Inline Rescue
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Tempfile
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Incidental Change
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OpenStruct
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FFI Part 1: Proof of the Concept
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Macros and Modules
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Macros and Modules, Part 2
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Redirecting Output
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Backticks
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Observer Variations
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Hash Default Blocks
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Classes and Constants
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Struct from Hash
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Callable
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Blocks, Procs, and Lambdas
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Proc and Threequals
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Caller-Specified Fallback
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Gem Love Part 1
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Gradual Stiffening
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Binary Literals
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2013124 Topics
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String#scan
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Streaming
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Exclusive Or
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#one?
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Hash Default Value
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Gem Love Part 2
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FFI Part 2: Smoke Test One
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Memoize
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Utility Function
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Include Namespace Module
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FFI Part 3: A New Library
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The End of Mocking
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Selectively Run Tests
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FFI Part 4: Test of the Mainloop
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Runnable Library
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xmpfilter
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FFI Part 5: The Mock API
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ARGF
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Enumerator
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Ascend
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FFI Part 6: PulseFFI Awakens
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Fiber
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Gem-Love Part 3
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Yield or Enumerate
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FFI Part 7: The Last Refactor
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Caching an API
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Moneta
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Display Builder
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Gem-Love Part 4
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Break
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Break With Value
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Tail Part 1: Random Access
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Tail Part 2: Do While
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Tail Part 3: #rindex
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Tail Part 4: copy
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Tail Part 5: Idiom
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Tail Part 6: Process As Object
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Tail Part 7: Cooperating Objects
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Concat
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Splat Basics
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Implicit Splat
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Inline Assignment
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Custom Splat
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Splat Group
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Ignore Arguments
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Naked Splat
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Naming Things: Headcount
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Gem Love Part 5
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Coincidental Duplication
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The `class << self` syntax
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Ruby 2.0: Rebinding Methods
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Coincidental Duplication Redux
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Boolean
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Bang Bang
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Gem-Love Part 6
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Gem-Love 7
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Gem-Love 8
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Gem-Love Part 9
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String Subscript Regex
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Screen Scraping Gateway
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Intention Revealing Message
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Gem-Love Part 10
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Gem-Love Part 11
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Parsing Time
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Checking for a Terminal
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Class Accessors
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String Subscript Assignment
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The Trouble With Nil
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SAX
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Catch And Throw
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Symbol Placeholder
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Special Case
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Diagnostic Output with p
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Null Object
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Diagnostic Output with pp
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Extract Command Object
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Client Session Object
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Even And Odd
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Intention Revealing Argument
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Outside-In
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Testing Blocks
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Testing Blocks With Rspec
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Removing Debug Output
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Elixir
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And/Or
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Queue
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Parallel Fib
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Enumerable Queue
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Rake
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Rake File lists
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Rake Rules
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Rake Pathmap
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Rake File Operations
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Rake Clean
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Rake Multitask
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Dead Thread
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Mutex
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Condition Variable
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Timed Queue
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Threads are Hard
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Bounded Queue
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Infinity
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Thread Interruptions
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Bulk Generation
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Thread Pool
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Monitor
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Atomicity
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Rake Invoke
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Sum
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Stats
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Sleep
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Progress Bar
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Testing Sleep
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Testing Threads
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Matching Digits
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Array New with James Edward Gray II
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Lockstep Testing
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Constant Lookup Scope
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Array Set Operations
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Reduce Redux
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Thread Local Variable
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PStore
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YAML::Store
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Mapper
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String#scan
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2014104 Topics
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Refactor Tapas::Queue
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Not Implemented
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Debugging in Gems
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Enumerable Internals
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Caching Gateway
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Hash Merge
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puts
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Registry
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For
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Multiple Assignment
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REPL-Driven Development
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Dotenv
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Aliasing
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Identity Map
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Sequel
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Ghost Load
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Schwartzian Transform
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Macro
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Extracting Ghost Load
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Sequel, Postgres, JSON
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Two Refactorings
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Keyword Arguments
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More Keyword Arguments
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Fail And Raise
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Assisted Refactoring
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Gsub
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Virtual Proxy
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Filenames
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Pathname
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String Format
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Advanced String Formats
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String Templates
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Decorator
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Decorator Transparency
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Regexp Union
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Quantity
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Immutable Object
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Identity And Equality
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Hash Table
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Hash Equality
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Comparable
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Coercion
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Conversion Function
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Lenient Conversions
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Explicit Conversion
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Implicit Conversion
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Protected
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More Of Same
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Conversion Protocol
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Conversion Ratio
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Grep
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Tell, Don't Ask
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Redesign
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Spaceship Revisited
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Adamantium
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Type and Class
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Def Return Value
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String Partition
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Equalizer
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Surrogate Ordering
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Unitwise
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Evil Monkeys
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Multiline Memoize
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Reconsidering Regexen
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Consequences
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Black Box
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First
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Range
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Flip-Flop
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Warn
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Load
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Wrapped Load
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Require
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Gem Require
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Parameter Default
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Relative Require
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Match
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Logical Require
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Replace Parameter with Option
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Drop While
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Source Directory
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Values At
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Multiline Strings
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Min By
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Unindent
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Refinements
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Email Template
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Pop
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Downto
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Step
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Httpd
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Workflow
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Retry
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Bitwise Operations with Peter Cooper
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Redo
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Regex Capture Groups with Nell Shamrell
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Next
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Advanced Next
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Immutable Enumerators with Tom Stuart
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Destructuring
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Method Introspection with Noah Gibbs
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Pattern Matching
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Kernel Open with Rob Miller
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Complex Predicate
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Refactor Tapas::Queue
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2015104 Topics
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TSort with Justin Weiss
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Referential Transparency
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Understanding RSpec Matchers with Noel Rappin
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Complex RSpec Matchers with Noel Rappin
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Naming Test Data
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Backreference
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Antique Shop
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Fattr
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Loop
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Lazy
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Audited Predicate
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Itself
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Splatted Send
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Advanced Audited Predicate
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Count
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Testing Retry
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Flat Map
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More Coincidental Duplication
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Mocking Smells 1
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Partition
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Mocking Smells 2
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Chunk
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Advanced Chunk
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Delegate Class
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Integer Formats
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Predicate Return Value Part 1
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Predicate Return Value Part 2
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Mocking Smells 3
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Test Spies
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File Find
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Instance Spy
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Safe Proxy Part 1
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Safe Proxy Part 2
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Safe Proxy Part 3
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Exception Test
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Custom Exception
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Circuit Breaker
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Random Samples
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Command Loop
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Keyword Sugar
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Globbing with Chris Strom
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Randomness
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Secure Random
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Mocking Smells 4
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Temporary Directory
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Filesystem Testing
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Random Seed
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each cons
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Transpose
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Expect
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Log Thread
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Rerun
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Smart Collection
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Benchmark
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Strip
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Observed Attribute
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Benchmark-IPS
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Differentiation
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Tracepoint
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Stack Overflow
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Transaction Script
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Rake: Finding Tasks
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Process Object
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Notify, Don't Tell
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Processes Everywhere
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Rspec Compound Matchers
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Rule
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What Changed?
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Benign Value
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Error Value
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Logger
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Controlling Log Level
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Hammers And Diapers
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Example Data
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Crystal
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Nil Conversions
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Optional Logging
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User
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Unpaging Facade
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Divmod
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Log Formatting
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Logging Program Name
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Log Rotation
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String Justify
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Trap
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Advanced Trap
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Word Wrap
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Dynamic Word Wrap
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Object Oriented Programming
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Rule Table
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Colored Logs
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Assumptions
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Safe Navigation Part 1: Reliable Associations
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Safe Navigation Part 2: Try, Try Again
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Safe Navigation Part 3: Everything is Optional
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Safe Navigation Part 4: Refinements
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Safe Navigation Part 5: Adapter
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Hash Invert
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Logs And Signals
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Dig
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Dig Implementation
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Protocol Complication
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Hash To Proc
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Awesome Print
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TSort with Justin Weiss
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201688 Topics
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Immediacy
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Awesome Print and Rails
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Named Capture
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Arrays To Hashes
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Chunk While
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Fetch Values
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Squiggly Heredoc
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Method Dependencies
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Integer To String
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Integer To String, Part 2
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Break The Circle
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Loop Golf
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Error 127
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Errno
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Fiddle
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Inverted Grep
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Magic Subshell
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Fiddle Importer
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Hash Subset
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Editor Macro
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Sort Check
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Consistency
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Microconcerns
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Invariant
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Gem Logging
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StringIO
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StringIO Test Fake
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Primitive Obsession
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Whole Value
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Self Save Part 1
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Self Save Part 2
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Self Save Part 3
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Self Save Part 4
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Last Match
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Pseudoglobal
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Leaning Toothpicks
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Optional Gem
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Stay Positive
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Stay Positive 2
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Autovivification
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Top Level Constant
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Subprocesses Part 1: Basics
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Tabular Struct Refactoring with Sam Livingston-Gray
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Subprocesses Part 2: Command Input Operator
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Subprocesses Part 3: Spawn
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No Comment
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Subprocesses Part 4: Redirection
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Rake Custom Task
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Cache Rot
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Partial Safe Navigation
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Subprocesses Part 5: SIGCHLD
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Rake Regex Rule
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Subprocesses Part 6: Limits
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Subprocesses Part 7: Soft Limits
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Subprocesses Part 8: Environmental Isolation
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Http.rb
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Oga
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Parallel Hierarchy
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Exceptional Value
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Uniform Abstraction Level
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Uniform Abstraction Level Part 2: Blank
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Scanf
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Date Math
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Ruby 2.4 Destructuring Conditional
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Plural Name
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Subscript Constructor
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Method Search
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Detect Map
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Pluggable Conversion
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Decoupled Pluggable Conversion
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Inherited
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Block Inherited
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Excessive Decoupling
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Just-In-Time Decoupling
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Pessimize
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Specific Whole Value
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Substitutable Whole Value
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Class Membership
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Advanced Class Membership
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Array Function
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Singleton Class
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Class Method
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Ensure
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Singleton Class Exec
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Subprocesses Part 9: Exec
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Dangerous Method
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Array Product
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Values
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Immediacy
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201747 Topics
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Compendious Thunks: Intro to Dart
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Command Pattern Undo
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Ancestral Behavior
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Class Variable
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Line Endings
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Rack
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Binary Mode
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Which
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Contextual Identity Part 1
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Contextual Identity Part 2
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Do the Work
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Cycle
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Group By
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Variable
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Combination
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Handle
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Read and Write
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Mixin to Object
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Create and Extend
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Extract Default to Method
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Dup and Clone
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Subprocesses Part 10: Open Pipe
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Initialize Copy
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Prototype Pattern
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At Exit
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Exit
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Crash Logger
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Special Variables Part 1: Process State
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Special Variables Part 2: I/O
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Special Variables Part 3: Regex Matching
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Special Variables Part 4: Speak English!
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Faker
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Deep Freeze
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Deep Dup
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Query to Command
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Subprocesses Part 11: Fork
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Subprocesses Part 12: Fork and Exec
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Suppress Output
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Subprocesses Part 13: Detach, Wait, Kill
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Subprocesses Part 14: Advanced Wait
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Disposable Object
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Subprocesses Part 15: Capture
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Whole Values in Rails with Justin Weiss
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Functional Mockup
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RSpec Focus Tests with Erin Dees
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Logical Matrix with Piotr Szotkowski
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RSpec Tags
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Compendious Thunks: Intro to Dart
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201846 Topics
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Minimum Viable Method
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Single File
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Literal Expectation
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Value and Identity with Arne Brasseur
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Guilds with Steve Klabnik
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TDD is easy! - with Michal Taszycki
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Table Print with Justin Searls
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Humane Exceptions with Hiro Asari
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Supporting Different Service Versions with OO – Emily Stolfo
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Bundler Tips and Tricks with Andre Arko
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Distributable Desktop Apps - Jason Clark
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Cucumber Expressions with Matt Wynne
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Episode 523: Data Munging Play-by-Play Part 1 with Avdi Grimm
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Episode 524: Data Munging Play-by-Play Part 2 with Avdi Grimm
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Asking for help ... - Jim Remsik
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OpenAPI and Apivore - with Ariel Caplan
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Refactoring for Interviews - Nickolas Means
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Pull Request Template - Andy Croll
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Two Factor Authentication - Frank Rietta
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Password Authentication with Brandon Dees - Part 1
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Password Authentication with Brandon Dees – Part 2
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Rails System Test with Sam Phippen
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Breaking Down Complex Pull Requests with Claudio Baccigalupo
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String Cleaning with Avdi
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Learning from the Wider Developer Community with PJ Hagerty
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Questioning Metaphors: The Message Myth
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Better Tests with Mutant
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Better Code with Mutant
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Ruby Spelunking
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Abstraction and Performance - Part 1
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Abstraction and Performance - Part 2
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Using Sidekiq Middleware
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Risk-Oriented Testing
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Memory Management in C Extensions - Part 1
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Memory Management in C Extensions - Part 2
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JSON API in Rails - Part 1
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JSON API in Rails - Part 2
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Smaller Objects, Faster Code
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Github Flow Automation
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From Math to Code
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API Design for productivity
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The TOO HARD Code Smell
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ActiveRecord Optimizations
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Getting started with rom-rb
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Writing changes with rom-rb
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Building queries with rom-rb
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Minimum Viable Method
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201950 Topics
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yield_self
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Full Utilization
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API Exploration
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Building a REPL
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Explore and Extend - Part 1
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Explore and Extend - Part 2
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Exploratory Refactoring
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Parameter Destructuring
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Dynamic Understanding of Dynamic Systems
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Serverless Ruby with AWS Lambda
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Polymorphic Attributes in Rails - Part 1
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Polymorphic Attributes in Rails - Part 2
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Asynch with Polling
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Pitch a Plan, not a Promotion
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Roda - Part 1
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Roda - Part 2
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LIKE Injection in SQL
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Part 1: Patching with Git
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Part 2: Telling Git Your Intentions
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Performance Testing - Staying Fast
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Performance Testing - Scaling with Inputs
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Aphorism to Empiricism
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Savon & SOAP APIs
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Async with Multiplexing
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Why GraphQL?
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Async with the Reactor Pattern
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From Hash to Value Object
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Presenter Object
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Don't Use Greater-Than
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Clarify Test Comparison
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Keyword Argument Struct
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Mixed Argument Struct
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Communicative Assertion
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Dynamic Inspect
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Set
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Presenter and View
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Test Substitute
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Bindings and Local Variables
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Partial Function Application
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Demystifying the View
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Git Storytelling - Part 1
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Git Storytelling - Part 2
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Git Storytelling - Part 3
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Module Builder Pattern - Part 1
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Module Builder Pattern - Part 2
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Function Composition Operators
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Extended Regex Syntax
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StimulusJS
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Sagas
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Code Coverage with SimpleCov
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yield_self
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202049 Topics
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Repeatable Devcontainer
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Composed Regex
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Trying Stuff in Docker
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Manipulating Docker Containers
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Kubernetes: What and When
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VS Code and Docker
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Pattern Matching
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NPM for Dev Dependencies
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Mistake-Proof API
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Aggregate Boundaries
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Function Pipelining in Ruby
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Understanding OAuth2... with Horses!
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Eliminating RSpec Boilderplate with Claudio Baccigalupo
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Serverless Ruby with AWS SAM
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lsof; or: what process is using my port?!
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Send Variations
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Strace
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ltrace
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Docker Diff
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Numbered Parameters
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Rake Global Tasks
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Process Substitution
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Nested Class
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Where do Private Methods Come From?
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Testing with Coat Hangers
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Loops!
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Sprout Class
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You Could Have Sed It in Ruby
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ARGF, That's Some AWK-ward Ruby!
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I got my flippy-floppies
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mitmproxy
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Ruby as a Filter
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Interpolation over Concatenation
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Autosplit
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Unroll Test Loops
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Line Ending Processing Mode
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Rake Introspection
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Console Width
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Grep, Sort, Uniq
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Zip
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Lazy Zip
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Output Record Separator
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Input Record Separator
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Re-Run Just the Tests That Failed
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Chomp
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Null-Terminated Record
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Why Containers for Development?
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A Quick Dev Container
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Understanding `npm run` (and why to avoid `npx`!)
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Repeatable Devcontainer
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202127 Topics
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Dockerfile
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Container Run Layers
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Caching Files in a Devcontainer
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Nokogiri
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Devcontainer Portmapping
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Furnishing Your Devcontainer
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Accessorizing Your Devcontainer Shell
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Devcontainer Shell Shortcut
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.env for Devcontainers
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Devcontainer Path
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Leaky Devcontainer Filesystem Abstractions
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Devcontainer Unprivileged User
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README-Driven Development
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Ship first, then code
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Share Credentials with a Devcontainer
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Working Together
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Binstubs
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Binstubs and Rails
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Binstubs and Direnv
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Distributed Tracing with Honeycomb
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Direnv and Dotenv
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Module Prepend
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Git Hooks for Evil and Good
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Hash Splat Merge
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Setter Return
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Is it defined?
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Tap
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Dockerfile
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20229 Topics
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20231 Topic
Module 6, Topic 24
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Prototype Pattern
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