Bookmarks (174)

Go 1.23's New unique Package — The package’s purpose is to make comparing values more efficient by using deduplication to point to unique, canonical copies, a concept called interning. Some knowledge is required, but Michael walks through everything you need to know, including a practical example.

µ micro: A Go-Powered Terminal-Based Text Editor — Aiming to be “somewhat of a successor to the nano editor”, Micro has been under development for several years and is a mature and good example of building a text editor in Go. GitHub repo.

hyrumtoken: A Package to Encrypt Pagination Tokens — For when you don’t want API clients to access unintended 'features' of your pagination related parameters, say.

BadgerDB 4.3: A Fast, Embeddable Key-Balue DB in Go — Designed as a performant alternative to non-Go-based key-value stores like RocksDB. Docs.

GoForge: A CLI Tool to Streamline Go Project Initialization — Rather than manually creating files and directories to set up a project’s structure, GoForge provides a one-line alternative.

Kafka-Compatible Data Streaming That Reduces Costs and Ops Burden — Zero ops auto-scaling. Perfect provisioning. 10x cheaper than Kafka. Try WarpStream for free and get $400 in credits.

wp2hugo: A WordPress to Hugo Blog Migrator — Hugo is a popular Go-powered static site generator and this tool makes it easy to convert WordPress-powered blogs over to it, including lots of edge cases WordPress’s REST API doesn’t help with.

Tunalog: A No-Install Blogging System Built in Go — With Markdown, theming support, and Web-based editing, Tunalog provides all a simple blog framework needs. It’s been two years in the making, but its creator is finally happy with it, and judging by the screenshots it’s pretty slick. It’s cross-platform and uses SQLite.

Mastering ISO 8583 Message Networking with Go — ISO 8583 is an interchange standard for card-based financial transactions (such as from a point-of-sale terminal or ATM).

Dumb Ways to Die: Random Values in Pointers — Storing non-pointer values in unsafe.Pointer is.. a Bad Idea™, but why? What happens? The journey and answer could help you better understand pointers and unsafe.

Slices in Go: Grow Big or Go Home — A deep dive into slices that focuses on how slices grow, something that can bite you right in the code when you don’t understand it. For example, do you know when (and why) a slice ends up on the heap (or not)?

Tips for Building Bubble Tea Programs — Bubble Tea is a powerful Go framework for building terminal user interfaces (TUIs). Louis has spent a lot of time building PUG (a Terraform TUI) and shares the fruits of his experience here.

moq: An Interface Mocking Tool for go generate — A tool that generates a struct from any interface. The struct can be used in test code as a mock of the interface. Now supports imported type aliases.

Range Over Function Types in Go 1.23 — Go 1.23 was released just two weeks ago with one of the headline features being improvements to iteration, principally for/range support over function types. There’s a lot more to it than that, though, and Ian rounds up everything, complete with examples and guidance.

TinyGo 0.33.0: The Go Compiler for 'Small Places' — TinyGo is a fantastic LLVM-based Go implementation targeting use cases like microcontrollers and WebAssembly. v0.33.0 brings it up to Go 1.23 standards, adds WASI preview 2 support, and more.

WorkOS: The Modern Identity Platform for B2B SaaS — WorkOS is a modern identity platform for B2B SaaS, offering flexible and easy-to-use APIs to integrate SSO, SCIM, and RBAC in minutes instead of months. It's trusted by hundreds of high-growth startups such as Perplexity, Vercel, Drata, and Webflow.

The 4-chan Go Programmer (or Sending Channels Over Channels) — No, not that '4chan.' Zach looks into the idea of using channels to pass other channels around, and takes it to the extreme of creating channels that channel channels that channel channels that channel channels. I need to go for a lie down..

sync.Pool and the Mechanics Behind It — What sync.Pool is all about, how it’s used, what’s going on under the hood, and everything else you might want to know, complete with helpful illustrations.

sqlite-vec: A Vector Search Extension for SQLite — If using a dedicated vector storage database is beyond your immediate requirements, you can now use SQLite for the task. While this is an SQLite extension, it’s easy to use with numerous languages, including Go, as shown here.

Streamline Your Product Delivery with monday dev — From ideation to launch, monday dev makes product delivery faster and simpler, all in one place.

Permify 1.0: Open Source Authorization as a Service — A long standing Go-powered system for building fine-grained authorization systems, inspired by Google’s Zanzibar. Get started with the intro guide.

cast 1.7: Safe and Easy Casting from One Type to Another — It’s as easy as using ToString, ToInt, ToTime, and more.

go-github v64.0: A Go Client for the GitHub v3 API — For the REST API. For the v4 GraphQL API use this instead.

Dbmate: A Lightweight, Framework-Agnostic Database Migration Tool — Written in Go but can be used alongside database-using apps written in any language. Supports MySQL, Postgres, SQLite, ClickHouse, BigQuery, and Spanner.

Tetrigo: TUI-Powered Tetris Written in Go — Whether you want to just play Tetris, create your own Tetris game, or perhaps implement your own quirky Tetris game mode using Go, this implementation is for you. It’s well structured and uses Charm’s Bubble Tea behind the scenes.

Go 1.23 Released — We’ve been hearing about (and linking to) 1.23 for weeks in its various pre-release guises, but now it's here. You could call 1.23 a 'major minor' release, as it's mostly a gentle step forward but with some new features, like for range iteration and tooling additions (including the now opt-in telemetry system). Head to the official release notes for all...

Structs are Copied on Assignment (and Other Things About Go I'd Missed) — This gotcha likely catches many new-to-intermediate gophers, along with the other issues Julia also mentions. By the way, these are based on a few of the 100 Go Mistakes and How to Avoid Them site and book.

A Complete Introduction to Containers — Join Brian Holt for this extensive video course covering the now industry standard approach for developing and deploying apps. You'll learn about core container technology, Docker Images, multi-container projects, and much more.

▶  12 Talks from GopherCon UK 2024 — GopherCon UK took place just a few days ago, but you can already enjoy a variety of talks including Matt Boyle on debugging Go apps, Jesús Espino digging into Go’s runtime, Beth Anderson on AI, and Google’s Michael Pratt look at profile guided optimization. We'll feature more talks in future issues as we watch them, as there's a...

HTTP/1.0 From Scratch — We recently featured Kevin’s HTTP/0.9 From Scratch, a first step into reimplementing the basics of HTTP, step by step, in Go. Now we get to fast forward five years to 1996 and HTTP/1.0 which introduced things like the POST action, status codes, and content negotiation.

'An Unordered List of Things I Miss in Go' — A solid list with some doable and not-so-doable items. On the doable side, there are ordered maps and default arguments. On the not-so-doable, null/nilability is a long-time contentious subject that likely would break backward compatibility.

Go Maps Explained: How Key-Value Pairs Are Actually Stored — A comprehensive, illustrated tutorial to how things are represented under the hood.

go-vcr 4.0: Record and Replay Your HTTP Interactions — Record and replay API interactions for faster, deterministic testing of potentially flaky endpoints – here’s the v4.0 changelog. (If you’ve used Ruby, you might recognize its inspiration: the popular VCR library.)

GoNB: A Go Notebook Kernel for Jupyter — Notebooks make it easy to do literate programming where you see results immediately like a REPL but with persistence and control over the source code. Common in Python, GoNB brings Go into the picture too. The latest release adds Jupytext support.

FusionAuth. Auth Built for Devs, by Devs — Choose self-hosting or cloud, scale from 10 to 10 million users, and enjoy unlimited IDPs. Trusted by industry leaders with 10M+ downloads.

Pie 2.9: A Utility Library for Dealing with Slices — Ways to work with slices with a focus on type safety, performance and immutability. Now with a a new UniqueStable operation.

Lo: A Lodash-Style Library for Go 1.18+ — Inspired by JavaScript’s Lodash and brings similar utility methods for working with slices, maps, and more.

kubetrim: Trim Your KUBECONFIG Automatically — Takes your kubeconfig and trims out all the old / unused clusters and contexts.

Russ Cox Steps Down as Tech Lead of Go — Russ has been instrumental in many of Go’s developments having led the project for 12 years, but it’s time for a change with Austin Clements taking his position. But Russ isn’t leaving the Go world. Indeed, he's already deep into a new project (see next)..

go-sqlbuilder: A Flexible SQL String Builder Library — Originally focused on MySQL and Postgres, it now supports SQL Server, SQLite, CQL, and more, too. Lets you use structs as a ‘light weight ORM’, and now also supports Common Table Expression and ILIKE.

mimetype: Library for Detecting MIME Types and Extensions — Supporting 173 different types, you pass in binary data, a data stream or filename and, hopefully, find out what type of data you’re working with.

Glamour: Stylesheet-based Markdown Rendering for Your CLI Apps — Glamour lets you render simple Markdown from your app but then have styles applied to it so that it looks more colorful and elegant once it lands in the terminal. Another great piece of work from the folks at Charm.

approf: A Native macOS App for pprof — An app experience for viewing the results from pprof profiling that includes drag/drop, reordering, light/dark mode, and saved sessions.

Minimock: A Tool to Generate Mocks from Interface Declarations — Generates statically typed mocks and helpers, is fully integrated with the testing package, and supports generics.

Implementing HTTP/0.9 from Scratch — The first instalment of a “HTTP from Scratch” series digging into the history of the protocol underpinning the Web.

Did You Know About Instruments? — Instruments is a macOS app that allows you to create various traces and profiles of running applications. It offers quite the toolset, as indicated by Thorsten’s palpable enthusiasm.

A 10 Week Go Backend Engineer Onboarding Plan — Stream has published the onboarding program they use for Go developers, which covers the basics of Go, databases, HTTP, and more. This is a great idea and sets expectations if you’re looking for work.

What's the Best Static Analysis Tool for Go? — Static analysis can be a valuable part of an app’s quality toolchain, run by both developers and pipelines. But there are many options, official and otherwise, so which to choose? The answer is (kinda) all of them…?

Oscar: An Open-Source Contributor Agent Architecture — As Russ steps away as Go tech lead, he’s stepping into more work on Oscar, an AI agent system to help maintain open-source projects. The first bot, Gaby, is already up and running on Go’s issue tracker, with more to come.

Cogent Core: A New GUI Framework for Go — A new GUI framework with a “code once and run everywhere” promise for multiple platforms. It aims to be simpler to use than Gio and more powerful than Fyne. Curiously, Cogent’s web site itself is built in the framework and compiled to WASM to work on the Web. There’s also ▶️ a quick screencast pitching you...