How to learn a new programming language? How to learn Go? A suggestion from Go GDE.

1. How to master a programming
language: a Golang example"
LINE Developer Relations
Evan Lin
2020.11

2. Evan Lin
• LINE Developer Relations
• Google Developer Expert
LINE Technology Evangelist

3. How to learn a new
programming language!

4. Hold Up

5. As a cloud computing developer
• Data processing
• Python
• R
• Microservices
• Node.js
• Rust
• Golang
• CI/CD
• Makefile (?)
• YAML (!)

6. What is Golang

7. What is Go • Create by Google
• Design by
• Ken Thompson
• Rob Pike
• Robert Griesemer
• Feature:
• Compiled
• Statically Typed
• Garbage Collection

8. What is Go • Create by Google
• Design by
• Ken Thompson
• Rob Pike
• Robert Griesemer
• Feature:
• Compiled
• Statically Typed
• Garbage Collection

9. Let’s playing Golang
https://play.golang.org/p/HmnNoBf0p1z

10. “Go tour”
https://tour.golang.org/welcome/1

11. Write a Go CLI
https://github.com/kkdai/youtube

12. ”go test” save your time for testing
https://play.golang.org/p/pJLWBwuiCeY https://play.golang.org/p/T64C3IOplsi

13. Write testing case for Skip List
https://github.com/kkdai/skiplist/blob/master/skiplist_test.go

14. “godoc” help you build documentation
https://pkg.go.dev/github.com/kkdai/youtube?tab=doc

15. That’s all

16. Hold Up

17. Goroutine: https://play.golang.org/p/rjT7yXqft_C
Unbuffered Channel: https://play.golang.org/p/zaNUS8IhzfT
Buffered Channel:
• https://tour.golang.org/concurrency/3
• https://tour.golang.org/concurrency/4

18. Goroutine: https://play.golang.org/p/rjT7yXqft_C
Unbuffered Channel: https://play.golang.org/p/zaNUS8IhzfT
Buffered Channel:
• https://tour.golang.org/concurrency/3
• https://tour.golang.org/concurrency/4

19. The best way to mastering a
Programming Language

20. Just write everything

21. Writing everything by Go
https://github.com/kkdai/project52

22. You might have questions for me..

23. Q1: Why you want to write blog?
https://evanlin.com/

24. How to write more blog posts
• Not for anyone, just for yourself.
• Start from learning note.
• TIL (Today I learn) is the best practice.
• Writing is the best way to learn deeper.

25. Q2: Why suggest write chatbot?

26. What is LINE Chatbot

27. Create LINE Bot within 5 mins
•Request channel for LINE Bot
•Deploy LINE Bot server on Heroku
•Change related setting on Channel
•Go ! Online (video)
•How to modify it? (video)

28. Build advanced Chatbot in Go
https://youtu.be/B9m_6brhkdchttps://github.com/kkdai/LineBotPetNeedMe

29. SHARE! SHARE! SHARE!!
• Meetup/Conference approach learning
• Share >>> Learn
• Open mind

31. Q3: How to become GDE?

32. How to become a Expert?
Crafting Blogging Communicate Sharing

33. Q4: Want to learn more in a short time?

34. LINE TECH FRESH
https://engineering.linecorp.com/zh-hant/blog/tech-fresh-2020/ 34

36. Q&A