Lessons
Ruby · Expert
Ruby · Expert. Ten lessons. Open-book quizzes. Lesson 1 free.
10 lessons · The Host · Lesson 1 free
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Lesson 1 · On the house
Object model
Singleton classes.
Lesson 2
Refinements
Lexically scoped monkeypatches.
Lesson 3
GC and memory
Object allocation.
Lesson 4
Threads & GVL
Concurrency limits.
Lesson 5
Marshal / JSON safety
Don't load untrusted Marshal.
Lesson 6
C extensions caution
Native code risk.
Lesson 7
Pattern matching
case / in.
Lesson 8
Fiber scheduler
Modern async sketch.
Lesson 9
API design
Explicit > clever.
Lesson 10
Expert capstone
Enumerable helper.
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Certificate
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