A short one to close out the technical picks: two tools for your daily setup and one piece of theory worth internalizing about load balancing.
The Oh My Posh Visual Configurator is a drag-and-drop builder for your terminal prompt: arrange segments, preview in real time, and export the config for PowerShell, Bash, Zsh, or Fish. If you’ve ever wanted to prettify your prompt but bounced off hand-editing a JSON theme, this removes the friction entirely. Small, but the kind of thing that makes the terminal feel like yours.
MonoLisa is a coding font with a live tester page where you can preview it in real code, toggle every OpenType feature (ligatures, stylistic sets, the grade axis, alternate glyphs), and try it across JavaScript, CSS, Java, PHP, and Python. It’s a premium font, but the tester is free and genuinely useful for deciding whether a wider, more characterful mono is worth the switch. Readability is the whole game when you stare at code all day.
Marc Brooker’s Surprising Economics of Load-Balanced Systems is an older piece (2020) but exactly the kind of evergreen theory worth carrying around. The setup: c single-slot servers behind a load balancer, offered load scaling linearly with c to keep per-server utilization constant. What happens to latency as c grows? The intuitive answers (constant, or worse) are wrong: via the M/M/c queue and Erlang’s C formula, mean latency decreases, asymptotically approaching pure service time, and the percentiles follow. Bigger fleets get better latency at the same utilization, and most of the benefit arrives at modest c. One of the rare distributed-systems results where scale makes a problem easier. File it next to your capacity-planning instincts and recalibrate them.