RECAP

Austin Go Language User Group

flazzarino@gmail.com

Monday

Understanding nil

• presented by Francesc Campoy Flores

• WTF is nil? … no what is it really?

• not the same as null

• many nils

• useful by design

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Navigating Unfamiliar Code with the Go Guru

• presented by Alan Donovan

• guru (née oracle)

• given a position in a .go file … tell me about it

• practical vs completeness – speed + search space

• https://godoc.org/golang.org/x/tools/cmd/guru

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Go for Data Science

• presented by Daniel Whitenack

• s/go/(R|python)/ … yes, with advantages

• very capable for numbers, stats, graphing

• Go based Notebook in the works

• https://github.com/gonum

•

Don’t Just Check Errors, Handle Them Gracefully

• presented by Dave Cheney

• errors should be opaque as possible

• can errors be a bit more like Exceptions?

• https://github.com/pkg/errors

•

Go Vendoring Deconstructed

• presented by Wisdom Omuya

• pre-1.5; GO15VENDOREXPERIMENT; post-1.6

• practical concerns from a working team

• https://golang.org/cmd/go/#hdr-Vendor_Directories

•

Visualizing Concurrency in Go

• presented by Ivan Daniluk

• how do humans visualize things … like concurrency?

• goroutines & channels in cylindrical coords

• interesting challenges to getting data

• https://github.com/divan/gotrace

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Communicating Sequential Goroutines

• presented by Adrian Cockcroft

• many insightful tidbits

• CSP code etc. > Pi-calculus style notation

• simulations of distributed systems (in Go)

•

Handling Text from Around the World in Go

• presented by Marcel van Lohuizen

• internationalization is a huge engineering challenge

• the [intimidating] basics of i8n

• how go is solving these challenges

• https://godoc.org/golang.org/x/text

•

Go for Mobile Games

• presented by Takuya Ueda

• What Go Mobile is (& isn’t) capable of [today]

• lots of examples: basic cmd; native activity; SDK

• goes deep

• https://godoc.org/golang.org/x/mobile/

•

Tuesday

Mind the Gap

• presented by Katrina Owen

• Go is for programmers, does it have to be?

• How do people (not) learn Go?

• uses empirical evidence to answer this question

• http://exercism.io/

•

Inside the Map Implementation

• presented by Keith Randall

• how do you make the map type for Go?

• Go maps are different [from other langs]

• significant engineering

•

Go Without the Operating System

• presented by Bernerd Schaefer

• how to run a Go program atop a hypervisor (Xen)

• Go + a bit of ASM replaces the OS

• https://github.com/atmanos/atmanos

•

The Design of the Go Assembler

• presented by Rob Pike

• cross compiling taken for granted, why?

• all assemblies are the same [if you squint your eyes]

• common language for ASM -> target all architectures

• text processing, not microprocessor problem

•

Go Mobile as the Backbone of Lantern for Android

• presented by José Carlos Nieto

• Lantern: circumvents censorship

• Go’s excellent networking capabilities is enabling it

• Big win is mobile – not only HTTP proxy but also VPN

•

The Go Gopher: A Character Study

• presented by Renee French

• not computer related! but in depth about comics

• history of the gopher and gopher-like things

• how a kidney [bean] appear to do so many things?

• derivative art – called out ATX Gopher with cowboy hat

•

Building Microservices with gRPC - A Practical Introduction

• presented by Kelsey Hightower

• lost presentation material

• tutorial of Kubernetes instead

• overview of customer Scheduler

•

The Power and Elegance of Reflection

• presented by Emily Gu

• given interface{} how can use it?

• step by step examples

• don’t abuse reflection … but don’t be intimidated

• you will pleasantly understand reflection

•

Packet Capture, Analysis, and Injection with Go

• presented by John Leon

• capture network data … in Go

• wraps libpcap … in Go

• very fun talk

• https://github.com/google/gopacket

•

Wednesday (HACK DAY)

Hackday

• lots of topics … but gobot

• Hybrid Group!

• parrot drones; spheroes & ollies; edison & arduino; btle

• learning; making support; doing stuff

• blast was had

• https://gobot.io/

•

overall

resources

• https://github.com/gophercon/2016-talks

flazzarino@gmail.com