Quick recap of 2016 dotGo conference for Brno Golang meetup group

1. GOTO
Paris | @
see Gopher
JAN
KLAT | SKRZ.CZ | @
KLATYS
1

5. Tools & Libraries | GopherJS
• Compiler of Go code to Javascript
• Similar to CGO
• All Go functionality
5
Dmitri Shuralyov Go in the browser
http://www.thedotpost.com/2016/10/dmitri-shuralyov-go-in-the-browser

6. WHY???
6
Dmitri Shuralyov Go in the browser
http://www.thedotpost.com/2016/10/dmitri-shuralyov-go-in-the-browser

7. Tools & Libraries | Go Mobile
• Export Go packages to Java and Objective C / Swift
• Access Java and Objective C API from Go
• Graddle plugin
• Databinding and other resources available from Go
7
Elias Naur Make mobile programming fun (again)
http://www.thedotpost.com/2016/10/elias-naur-make-mobile-programming-fun-again

8. Tools & Libraries | Small binaries
• $ go build -ldflags="..."
• -s Omit the symbol table and debug information
• -w Omit the DWARF symbol table.
• UPX (goupx for <= 1.6)
• might be marked as virus threat by AV
8
Javier Provecho Fernández Small binaries
https://golang.org/cmd/link/

9. Tools & Libraries | Small binaries
9
Javier Provecho Fernández Small binaries
https://golang.org/cmd/link/
https://blog.filippo.io/shrink-your-go-binaries-with-this-one-weird-trick/

10. Tools & Libraries | Worth mentioning
• Kelsey Hightower Self Deploying Go applications 🔗link 🔗code
• Franz Eichhorn Go machine learning at large scale 🔗link
• Book - Thorsten Ball Writing An Interpreter In Go
interpreterbook.com
10

11. Codebase mess & refactoring | The talk with way too long title to fit here
• No-op No-op No-op Interface maneuver
• Flocking rules
11
Katrina Owen The Scandalous Story of the Dreadful Code Written by the Best of Us
http://www.thedotpost.com/2016/10/katrina-owen-the-scandalous-story-of-the-dreadful-code-written-by-the-best-of-us

12. Codebase mess & refactoring | Plugins
• Proposition on how plugins might communicate
• most used is custom build - gh/mholt/custombuild
• wrap calls to external binaries using "net/rpc" for both os/exec and
"docker run”
• see https://github.com/drone/drone/issues/1863
12
Brad Rydzewski Plugins

13. What else?
• Robert Griesemer Prototype your design! 🔗link 🔗github
“Prototyping raises design questions we didn't even know we should be asking”
• Péter Szilágyi Immutability in Go 🔗link
“Opensource means good people find the bugs earlier but also bad people find
bugs earlier. Not so great when memory bug shuts down your network”
13

14. 14
First class functions

15. 15
First class functions
Dave Cheney Do not fear first class functions
http://www.thedotpost.com/2016/10/dave-cheney-do-not-fear-first-class-functions

16. 16
First class functions
Dave Cheney Do not fear first class functions
http://www.thedotpost.com/2016/10/dave-cheney-do-not-fear-first-class-functions

17. 17
First class functions
Dave Cheney Do not fear first class functions
http://www.thedotpost.com/2016/10/dave-cheney-do-not-fear-first-class-functions

18. JAN KLAT | SKRZ.CZ
@KLATYS
HI@KLATYS.CZ
18
Thankyou!