This is a brief and simple [1] explanation of how to adjust the
standard sinusoid sin(x) to change its amplitude, frequency and
phase shift. More precisely, given the general function:
\[s(x)=A\cdot sin(w\cdot x+\theta)\]
We’ll see how adjusting the parameters , and
affect th...
Four of the five steps in every unary RPC handler are wire plumbing. Pin the service function signature and they fit in one generic adapter per transport.
#599 — May 1, 2026
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Go Weekly
Zero-Config Go Heap Profiling — Go’s runtime samples heap allocations automatically, but the linker disables this in apps that don’t import runtime/pprof or net/http/pprof. This...
This week the article Wasm is not quite a stack machine has been
making the rounds and has caught my eye. The post claims that WASM is not a pure
stack machine because it has locals and is missing some stack manipulation
operations like dup and swap.
While I don't …
When two goroutines go to war, a data race is all that you can score. To
prevent that, Go’s sync.Mutex type can help.
A Go closure holds a live reference to whatever it captures, not a snapshot. Real examples of where this trips people up, and how to keep it boring.
#598 — April 24, 2026
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Go Weekly
TinyGo 0.41: Go 1.26 Support, ESP32 Wireless, and More — A huge release for the “Go compiler for small places”! Go 1.26 support arrives, along with wireless support for ESP32...
When I was working on the WASM backend for my Scheme compiler,
I ran into several tricky situations with debugging generated WASM code. It
turned out that Chrome has a very capable WASM debugger in its DevTools, so in
this brief post I want to share how it can be …