Learn JULIA with Real Code Examples
Updated Nov 18, 2025
Learning Path
Learn syntax & REPL
Understand multiple dispatch
Master types & performance
Work with arrays & linear algebra
Build real scientific/ML projects
Skill Improvement Plan
Week 1: Syntax, REPL, arrays
Week 2: Multiple dispatch, types
Week 3: Numerics, plotting, optimization
Week 4: Real-world scientific/ML pipelines
Interview Questions
What is multiple dispatch?
Why is Julia fast despite being dynamic?
Explain type stability.
What are macros used for?
How does Julia handle parallelism?
Cheat Sheet
Function: f(x) = x^2
@time expr - time execution
@btime expr - benchmark
Broadcasting: f.(array)
Module definition: module M ... end
Books
Julia Programming for Operations Research
Think Julia
Julia High Performance
Tutorials
JuliaAcademy
Julia for Data Science (YouTube)
MIT Computational Thinking (Julia-based)
Official Docs
Julia Documentation
Julia Packages Registry
Julia Standard Library Reference
Community Links
Julia Discourse
Julia Slack
JuliaCon
Reddit r/Julia
Community Support
Julia Discourse
Julia Slack
Julia Subreddit
JuliaCon community
GitHub org: JuliaLang