~golangweekly | Issue 544 - How Swiss Tables make Go 1.24 faster (11)

Faster Go Maps with Swiss Tables — One of Go’s newest features is a revamped map implementation powered by a new hash table algorithm called Swiss Table that boosts map operations up to 60% faster in microbenchmarks, while reducing memory overhead. Here’s a look at how it works.

Tips to Debug Hanging Go Programs — Next time your Go app becomes unresponsive, these tips can help you find the issue by forcing a stack trace or using Delve to attach to the process (or core dump) and revive the program.

Keep Postgres Maintenance from Slowing Down Your Go App — Secure your spot to learn the proactive maintenance practices that uncover hidden database performance risks, like slow queries, checkpoint behavior, & connection issues, before they escalate.

The Cost of Go's panic and recover — When something goes unexpectedly and critically wrong in a Go program you might use panic to abort things quickly, but did you know you can use recover to manage what happens after a panic? This means you could use it as a sort of control flow mechanism, if you were in a particularly unorthodox mood..

Calling Rust from 'Cursed' Go — Cgo is Go’s mechanism for calling external/foreign functions but its performance often causes consternation. Enter purego, a still-in-beta way to make such calls without Cgo.

Nil Channels in Go — Nil channels seem to baffle many Gophers, so Vishnu went on a quest to figure out why in a particular case. This led him to the wisdom of a new Go proverb: “Init when you split; Nil when you merge.”

The Magic of Small Engineering Teams — How PostHog uses small teams to ship fast and scale at the same time.

Gore 0.6: A Full Featured Go REPL Environment — You get all the niceties you’d expect like line editing, history, multi-line input, the ability to import packages, and, in this latest build, gopls-powered code completion too.

Go Clean Template — Inspired by Uncle Bob’s ‘Clean Code’ principles, this repo attempts to provide a ‘clean architecture template’ for building Go-powered services that are well organized and won’t turn into a mess. You be the judge.

go-git 5.14: An Extensible Git Implementation in Pure Go — “Manipulate git repositories at low level (plumbing) or high level (porcelain), through an idiomatic Go API.” Now requires Go 1.23+.

sqldef 1.0: Idempotent Schema Management for Databases — A Go-powered CLI tool and WASM library for diffing SQL schemas (demo here). Supports MySQL, Postgres, SQLite and SQL Server. Built by one of Ruby’s core team members, too.