You'll never see my child's face

I became a dad recently, and I’m not publishing a bunch of photos of my kid like most parents do. Some people started asking me why, so here it is.

How Go 1.26 stack allocation optimizations beat hand-optimized code

#​592 — March 6, 2026 Read the Web Version Go Weekly Allocating on the Stack in Go 1.25+ — Go 1.25 and 1.26 reduce garbage collector overhead by stack-allocating slices in more cases than ever before — including, in 1.26, slices th...

Mutate your locked state inside a closure

Why your mutex wrapper should accept a closure for mutation instead of a plain value, with examples from the standard library and Tailscale.

Log messages are mostly for the people operating your software

Notes on Lagrange Interpolating Polynomials

Polynomial interpolation is a method of finding a polynomial function that fits a given set of data perfectly. More concretely, suppose we have a set of n+1 distinct points [1]: \[(x_0,y_0), (x_1, y_1), (x_2, y_2)\cdots(x_n, y_n)\] And we want to find the polynomial coefficients...

How to redirect a Bash process substitution into a <code>while</code> loop

Allocating on the Stack

A description of some of the recent changes to do allocations on the stack instead of the heap.

Ways to dramatically reduce Go binary size

#​591 — February 27, 2026 Read the Web Version Go Weekly Bubble Tea, Lip Gloss, and Bubbles v2 — The Charm ecosystem of TUI tooling has taken a synchronized leap up to version 2. Bubble Tea v2 includes the ‘Cursed Renderer’, an a...

Notes on Linear Algebra for Polynomials

We’ll be working with the set P_n(\mathbb{R}), real polynomials of degree \leq n. Such polynomials can be expressed using n+1 scalar coefficients a_i as follows: \[p(x)=a_0+a_1 x + a_2 x^2 + \cdots + a_n x^n\] Vector space The set P_n(\mathbb{R}), along with …

What canceled my Go context?

How Go 1.20&#39;s WithCancelCause and Go 1.21&#39;s WithTimeoutCause let you attach a reason to context cancellation, plus a gotcha with manual cancel and the stdlib pattern that covers every path.