Golang Ninjas Newsletter - Issue #1

Revue

The Go Gazette

April 21 · Issue #1 · View online

Weekly curations of blogs and tools for Golang seniors.

Maarten currently uses Golang to build developer platform Jexia. Just learning Golang? Join his newsletter ’Master the World of Golang’.

A closer look at Golang

The Tragedy of Finalizers

crawshaw.io – Share

Finalizers are deeply unsatisfying. They are almost impossible to use well.

The many flavours of dependency injection in Golang

blog.gojekengineering.com – Share

A challenging aspect of building Go apps is managing many dependencies.

Asynchronous Real-Time Broadcasting using channels and sockets

dev.to – Share

Learn how to broadcast data to multiple websocket clients in Go.

Golang best-practices

Building Google Home Action with Go

dev.to – Share

The voice assistant has many integrations, enabling us to build apps for it.

A Cognito Protected Serverless API with Go in Minutes

serifandsemaphore.io – Share

See just how quickly you can get a severless AWS Lambda API with OAuth by Cognito up and running. Your wallet will thank you.

Measuring code sentiment in a git repository – source{d}

medium.com – Share

It’s easy to analyze Git repositories with Go, which is useful for “inference-in-a-box” with Tensorflow.

Microservice coded during hackathon saving us thousands

movio.co – Share

How carrying-out a Go microservice is saving us $50,000 per year.

Golang Tools

Introducing Charlatan

medium.com – Share

Charlatan helps developers write better tests for complex software.

Schnorr Signatures in Go

medium.com – Share

An asymmetric cryptosystem based off of the discrete log problem

Instrumenting a Go application with Zipkin

medium.com – Share

A common question about tracing is how to instrument an application.

Rewind is a high performance command log library.

github.com – Share

Rewind is a command log library. Similar to a WAL (write-ahead-log).

Sloc, Cloc and Code: a very fast accurate code counter

github.com – Share

With complexity calculations and COCOMO estimates

Golang Discussion

Configuring sql.DB for Better Performance

www.alexedwards.net – Share

Most tutorials gloss over the SetMaxOpenConns(), SetMaxIdleConns() and SetConnMaxLifetime(), with which you can configure sql.DB.

Re: Configuring sql.DB for Better Performance

techblog.en.klab-blogs.com – Share

I just can’t bring myself to agree with the settings recommended in the article. I’d like to explain what settings I would recommend myself.

Maarten uses Go to build serverless dev platform:

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