~golangweekly | Bookmarks (186)

xmlquery: An XPath Library for Querying XML Documents — For plucking out all elements with certain names or attributes, say.

go-pretty: Pretty Print Tables, Lists and Text on the Terminal — Utilities to prettify console output of tables, lists, progress-bars, text, etc. with a heavy emphasis on customization.

Watermill: Library for Building Event-Driven Apps — A library for working with message streams (over numerous channels like Kafka, RabbitMQ, HTTP or even MySQL binlogs) to build event driven apps.

Using Go Embed — The go:embed directive, around since Go 1.16, allows you to embed static files into your binary. But did you know that you can embed entire directories or files into a struct?

Distributed Transactions in Go: Read Before You Try — How to approach transactions that need to span more than one service.

Product for Engineers: A Newsletter Helping Flex Your Product Muscle — Product for Engineers details the skills and strategies product engineers need to succeed.

Kamal 2: Thou Need Not PaaS — Kamal is a container-based deployment tool from 37Signals, best known for their work on Ruby on Rails. It’s language agnostic though, and ▶️ the screencast demo shows off deploying a simple Go app quickly, before moving on to a Ruby example. Certainly a viable new deployment option for Go apps on self-managed servers.

Modview: Go Project Dependency Graph Visualizer — A simple way to visualize dependencies in Go projects in a clean, graphical way.

htmgo: Build Simple, Scalable Systems with Go and htmx — It’s a brand new ‘alpha’ project, but provides an interesting way to combine the simplicity of both Go and htmx to quickly build interactive webapps.

Ebitengine v2.8.0: The Go 2D Game Engine — Long one of our favorite Go ecosystem projects, Ebitengine takes another gentle step forward with support for 32 bit float format audio and shader customization improvements.

Gowitness: A Web Screenshot Utility using Chrome Headless — A website screenshot utility written in Go, that uses Chrome Headless to generate screenshots of web interfaces using the command line.

Olric: Distributed Cache and Key/Value Store — It can be used both as an embedded Go library and as a language-independent service.

anthropic-claude-golang-sdk: Go Library for Anthropic's Claude API — Send structured messages and handle responses from Anthropic’s conversational AI models within Go apps.

bed: A Binary/Hex Editor Written in Go — A Go-powered binary editor with a Vim-like user interface that runs in terminals, is portable, fast and has a window splitting feature.

gqlgen: A go generate-Based GraphQL Server Library — Check out the getting started guide for a feel for the project. GitHub repo.

Prep: Compile-Time Function Evaluation for Go — “By using prep.Comptime, you can evaluate functions at build time, replacing them with their computed results. Just like comptime from Zig. Except it’s not.” It admits it’s “pure blasphemy”, but you can’t deny it’s an interesting idea, though it has limitations and toolexec was not intended to support arbtirary source rewriting.

Some Go Web Dev Notes — We’re always fans of Julia’s earnest and helpful but no-nonsense posts and this quick grab bag of thoughts, tips and observations is another good one. She always opens our eyes to something new.

Reduce Your Data Streaming and Kafka Costs by 80+% — Learn how WarpStream's zero disk, stateless architecture and BYOC model not only reduce Kafka costs by 80% or more, but makes data streaming easier and more secure. Sign up for a free WarpStream account and get $400 in credits that never expire.

📉 A Guide to the Go Garbage Collector — Not a new page – it dates back to Go 1.19 – but one I’d somehow not encountered before and acts as a living document explaining how Go’s garbage collection system works, complete with helpful interactive diagrams.

Joining Errors in Go — A helpful look at two approaches: using multiple %ws, and errors.Join (as introduced in Go 1.20).

Distributed Metrics in PHP with Go and Gob — Gob is a Go package for efficiently encoding and decoding values between Go apps.

Stuck on What to Build? Guided Learning with Real Projects — Todo apps are for AI. Build a real-life project and master advanced backend patterns. Code hands-on in your IDE, no videos. Over 800 devs have joined us to create asynchronous event-driven software that solves real problems. Next cohort starts soon.

Go's Singleflight Melts in Your Code, Not in Your DB — The last post in a series on concurrency describes singleflight, a non-core package (that’s maintained by the Go team) that ensures a function is only run once and its result reused by later callers. There are loads of use cases, especially around database access.

Sets in Go: Using Maps and Recommended Packages — Go hasn’t got a native data type for sets, but maps can help you implement your own, as well as packages like golang-set. Willem shows us how.