Bookmarks (188)

Actionlint: Static Checker for GitHub Actions Workflow Files — GitHub Actions workflow files are notoriously tricky to get right, so this could be helpful. You can also try it online via this playground.

Chapar: An In-Development API Testing Tool — Built in Go using the Gio UI library, Chapar is designed for testing both HTTP and gRPC-based APIs in a slightly Postman-like fashion. It’s still under development but is ready to try out, says the author. GitHub repo.

How I Made My GitHub Profile README Dynamic — There’s no Go here, alas, but a neat demo of how it’s not too tricky to give your GitHub profile extra flair by pulling in blog posts or other info.

Product for Engineers: A Newsletter Helping Flex Your Product Muscle — Subscribe to get curated advice on building great products and best practices of top startups.

Create a DNS Resolver with Go — There are plenty of ways to do this quickly, but if you want to dig into the packets and learn how it works, why not?

Building a Web App with Go and React — The goal of this series seems to be to show off JetBrains’ GoLand IDE, with less focus on the design of the app itself. This does not, however, mean it’s not useful to see how the parts come together.

The Notifier Pattern for Apps That Use Postgres — Brandur is a big fan of Postgres’s built-in pub/sub features.

🗣️ Do Gophers Really Tend to Build Everything From Scratch? — Over on Reddit, a developer new to Go wondered why Go has few large scale frameworks and whether we tend to just build everything from scratch. The top response sums up a typical Go approach well – we have lots of great libraries, and Go makes it easy to compose them together. Full thread.

ok Considered Harmful? — “Just like there’s an unwritten law that every error variable in Go must be named err, there’s an unwritten law that every map existence variable in Go must be named ok.” But Zach thinks we can, and should, look at doing better.

Reclaiming CPU for Free with PGO — We’ve previously featured Dolt’s experiences with PGO but Cloudflare has been experimenting and benefiting from Go 1.20+’s profile-guided optimization too. At Cloudflare’s scale of running Go-based services across thousands of cores, the end result is quite striking.

hnsw: In-Memory HNSW Vector Indexing for Go — A library providing a simple, in-memory vector database. HNSW stands for Hierarchical Navigable Small Worlds and is a way of indexing vectors by way of a multi-layer graph.

Borgo: A New Language That Compiles to Go — People on Hacker News got very excited about this! Borgo’s authors aim to create a language “more expressive than Go but less complex than Rust.” The result is more type safety and it's certainly worth a look.

GoWrap: CLI Tool for Generating Decorators for Interfaces — Provides a variety of templates to easily add metrics, tracing, fallbacks, pools, and other features into your existing code.

Logdy: A Web-Based Viewer for Logs — Web based real-time log viewer. Stream any content to a web UI with autogenerated filters, then parse any format with TypeScript. Live demo.

Secure Randomness in Go 1.22 — If you’re interested in how randomness has improved in Go recently, this is for you, as the authors dive more into the security requirements of some use cases, how Go was enabling insecure code, and how doing the ChaCha(Rand8) led to not only better, faster, more secure random number generation but also how “Go 1.22 makes your programs...

mactop: A Terminal Based Monitoring Tool for Apple Silicon — A Mac-specific htop-a-like that shows off real-time CPU and GPU usage, along with metrics about power and memory usage.

v8go: Execute JavaScript from Go via V8 — If this feels familiar, it’s a fork of this main v8go project, but adding support for Android, newer versions of V8, JS symbols, and more.

Nimble Terminal Charts: Charting for Bubble Tea — Provides a way to render bar, line, scatter, time series, and other charts with Bubble Tea. Lots of examples here.

Evolving the Go Standard Library with math/rand/v2 — Generating random numbers takes much more than you might think. Go’s initial RNG has multiple flaws, but fixing it breaks repeatability requirements. So, the core team created a “version 2” package that keeps Go’s compatibility promise and sets forth principles for future such 'version 2' packages generally.

An Applied Introduction to EBPF with Go — We’ve linked to stories about eBPF a few times, and this article goes through the basics and two examples of using eBPF to measure resources, such as tracking packets.

Using Structs for Generic Argument Lists — The example compares running a new algorithm vs an old one, and comparing the results to ensure they have the same answer. Think of it as feature flags for testing refactorings, and how using structs + generics cleans the code up.

gorush: A Push Notification Server, Built on Gin — Supports APNS (Apple Push Notification Service), Firebase, and HMS Push Server (Huawei).

Sonic: A Newly Open Sourced Low Latency Network and I/O Library — Not to be confused with the eponymous blogging tool or JSON library, this Sonic is an asynchronous network and I/O library for Go, newly open sourced by a company specializing in trading infrastructure. “Sonic is an alternative to the net package. It removes the need to use multiple goroutines to handle multiple connections...

The Two Reasons I Prefer Passing Struct Pointers Around — When passing structs to functions, how do you decide whether or not to use a pointer? Preslav has some solid criteria inspired by the principles of domain-driven design that may give you a new, more maintainable approach.

Go is Not Java — If you're in the mood for a bit of a rant, this might scratch that itch. The post also contends that, per the creator of object orientation, Go may be even more OO than Java or C++.. (a topic David Wickes also wrote about recently).

Tokens for LLMs: Byte Pair Encoding in Go — Tokens are fundamental to LLMs, so understanding how they’re encoded and decoded can help you better understand how LLMs work too.

Gohalt: A General Purpose Throttling Library — You could use this to build throttling pipelines, rate limiters, etc. We’re digging the gopher logo on this one. Now with Go 1.22 support.

Gotenberg 8.5: Docker-Powered Stateless API for Creating PDF Files — A Go-powered system that offers a developer-friendly API for converting numerous document formats into PDF files. GitHub repo.

Awesome Ebitengine: A Curated List of Ebitengine Resources — Ebitengine is a popular, powerful 2D graphics and gamedev API for Go and this list is packed with games written with it, libraries to use with it, and more.

goread 1.6.5: A Terminal-Based RSS/Atom Feed Reader — Built using the Bubble Tea TUI framework. You can drop https://golangweekly.com/rss into it if you want to test it out ;-)

How Dolt Uses GitHub Actions to Create Performance-Guided Optimization Builds — A look behind the scenes at Dolt's build process and how their team has introduced profile-guided optimization (PGO) into theie pipeline. There’s some complexity, but ready-to-deploy performance-tuned binaries are a powerful reward.

spark-connect-go: Apache Spark Connect Client for Go — A ‘highly experimental’ Spark Connect for Apache Spark client for Go.

Muffet: A Fast, Recursive Website Link Checker — A CLI tool for scraping and inspecting pages across a site recursively.

Opengist: A Self-Hosted Pastebin App — A Git-powered Gist-like pastebin app with more features than you might expect. Here’s a live demo – it certainly looks very GitHubby.

Gnet 2.5: High-Perf, Non-Blocking, Event-Loop Networking Library — “Built from scratch by exploiting epoll and kqueue and it can achieve much higher performance with lower memory consumption than Go net in many specific scenarios.”

💎 Gemfast: A Drop-In 'Gem' Server for Ruby Developers — A new self-hosted Rubygems (Ruby’s package management system) server, written in Go for easier deployment, that lets Rubyists mirror and cache gems from official registries, as well as serve up their own private gems.

go-size-analyzer: Analyze the Size of Dependencies in Compiled Go Binaries — If analyzing your Makefiles (above) isn’t tempting enough, how about analyzing your compiled Go binaries? See where all of those bytes are going.

elem-go: A Type-Safe Way to Create and Manipulate HTML Elements — Easily create HTML elements with Go code and work with elements, attributes and properties in a type-safe way. v0.25.0 introduces a new StyleManager feature for managing CSS styles programatically too – check out the examples.

State Machines Simplified — Discover the simplicity and durability of Temporal, your solution to complex state machine challenges. Unlock efficiency now!

makefile-graph: Turn a Makefile into a Graph — Usable as both a library and CLI tool, this parses makefiles and generates graphs representing the relationships between the various targets (then rendered by Graphviz's dot).

How Render Enforces Access Controls with Go Generics — Render is a modern hosting and deployment platform with a role system for users and admins to have specified, defined privileges. Their engineers wanted to get compile-time guarantees in their Go codebase to reduce the chance of dangerous flaws and loopholes getting into their role system.

What’s New in Go 1.22: cmp.Or — cmp.Or (the ‘hidden gem of 1.22’, you might say) is a function that returns the first of the passed-in values that’s not the type’s zero value – a handy way to shorten certain conditional assignments. The last in a series covering the author’s own contributions to 1.22.

From Zero to Production: Go's Journey at Google — The author worked as an SRE at Google for nine years and shares some of the story of how he saw Go grow and be adopted there over its formative years. Some interesting background that I’ve not seen mentioned elsewhere.

Go is an Object Oriented Programming Language? — A contentious and oft-discussed topic(!), but before you dismiss it as mere clickbait, read David’s reasons on why he thinks “Go is a very object-oriented programming language. More so than Java I think…”

trdsql: Tool to Execute SQL Queries Upon Text-Based Data — A CLI tool that can execute SQL queries (in Postgres or MySQL syntax) on CSV, LTSV, JSON, YAML and TBLN files. It can also be used as a library within Go apps.

Versioning Workflows with Go — Learn when and how to apply versioning, then practice using our Go SDK in this free, hands-on training course.

Microsoft Launches a Go Blog — More Go blogs gives us more things to link to, so congratulations to Microsoft 😆 It’s going to be oriented around the use of Go with Azure and Microsoft’s contributions to the Go ecosystem generally.

📊 Results of the 2024 H1 Go Developer Survey — Developer sentiment and trust remain high, and the AI-centered survey revealed that Gophers think Go is a good language for this fresh wave of use cases. There’s a lot more room for new libraries and tools to make it easier, however, with Go equivalents of popular Python libraries being particularly desired.