---
title: "Go Newsletter Issue #42"
publication: "Go Weekly"
issue: 42
published_at: "2015-01-22"
canonical_url: "https://golangweekly.com/issues/42"
---

Go Newsletter 42   . 

[Read this on the Web](http://golangweekly.com/issues/42) 

[Go Newsletter](http://golangweekly.com) Issue 42 — January 22, 2015     

Featured [GopherCon 2015 Call for Proposals Open](http://cfp.gophercon.com/events/gc15?utm_source=golangweekly&utm_medium=email) news The CFP closes March 31 so get your proposals to speak in before then. The event itself take place in Denver, CO - Jul 7-10, and [tickets were still available](https://ti.to/gophercon/gophercon-2015) at the time of publication, but they're likely to sell out. gophercon.​com [How to Build A Simple Web App in Go](https://www.youtube.com/watch?v=AiRhWG-2nGU&utm_source=golangweekly&utm_medium=email) video A 30 minute video walking through from scratch. Khaja Minhajuddin [Building Scalable Distributed Systems using Go and Mesos](http://java.dzone.com/articles/building-massively-scalable?utm_source=golangweekly&utm_medium=email) tutorial Apache Mesos is a ‘distributed systems kernel’ that lets you program against a collection of machines as if it’s a single one. JavaLobby Reading [We Go in Batches (Using Golang Concurrency for Facebook Events)](http://tales.timehop.com/post/107333946381/we-go-in-batches-using-golang-concurrency-for?utm_source=golangweekly&utm_medium=email) Timehop [Stack Traces In Go](http://www.goinggo.net/2015/01/stack-traces-in-go.html?utm_source=golangweekly&utm_medium=email) tutorial William Kennedy [JSON Encoding in Go: Dealing with Sensitive Fields](http://blakecaldwell.net/blog/2015/1/20/json-encoding-in-go-dealing-with-sensitive-fields.html?utm_source=golangweekly&utm_medium=email) tutorial Blake Caldwell [Calling A Method Via Interface Is Much Slower On ARM](https://github.com/golang/go/issues/9636?utm_source=golangweekly&utm_medium=email) Go Repository [Re-architecting for Real Scale](https://www.pandastream.com/blog/building-a-scaleable-app-that-can-actually-scale/?utm_source=golangweekly&utm_medium=email) A video encoding service moved from Ruby to Go with significant performance increases. PandaStream [An Interview with Gopher Julia Allyce Poladsky](http://www.gophercon.in/blog/2015/01/19/julia/?utm_source=golangweekly&utm_medium=email) GopherConIndia 2015 Code, Libraries and Tools [Switcher: A Proxy Server (in go) to Run SSH and HTTP(S) over the same port](https://github.com/jamescun/switcher?utm_source=golangweekly&utm_medium=email) code James Cunningham [Matrix 'Digital Rain' Demo written in Go for HTML5 + Canvas](http://tidwall.github.io/digitalrain/?utm_source=golangweekly&utm_medium=email) [Code here.](https://github.com/tidwall/digitalrain) Written in the Go language and compiled to JavaScript with GopherJS. Josh Baker [ipe: A Go Pusher Server Implementation Compatible with Pusher Client Libraries](https://github.com/dimiro1/ipe?utm_source=golangweekly&utm_medium=email) code [Pusher](https://pusher.com/) is a real-time Web app messaging service - this attempts to mimic the backend. claudemiro [c2go: C to Go Translation Tool Supporting Go Toolchain Migration](https://github.com/rsc/c2go?utm_source=golangweekly&utm_medium=email) code Not a general C to Go translation tool, alas, but specifically for the Go toolchain migration mentioned in the last issue. Russ Cox [Generating Pretty URLs for SEO in Go using String and Regex Packages](https://gist.github.com/techslides/8978661?utm_source=golangweekly&utm_medium=email) code GitHub Gist [Goth: Multi Provider Authentication for Go](http://metabates.com/2014/10/15/goth-multi-provider-authentication-for-go/?utm_source=golangweekly&utm_medium=email) code metabates.​com    

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