Union vs sum types
We haven't written up this one. Lobsters has the full story — the link below goes straight to it.
More in Tech
I built a transport-independent foundation for JSON API clients in Perl
Writing a simple API client is easy. my $response = $http -> get ( $url ); Then the client starts being used in production.
- HTTP::API::Core module created for transport-independent JSON API clients in Perl
- Separates HTTP transport from API-client policy for flexibility
- Allows developers to choose preferred HTTP library while handling common infrastructure
A 2,800-page free Go book that builds a living simulated world, written in 18 days with AI in the loop
I've been writing a Go book that builds a simulated world from an empty directory, and I want to be upfront about how it came together, because the numbers look strange without the context.
- 2,800-page Go programming guide simulates world using AI
- Developed in 18 days with 212 commits, 10 volumes, 105 chapters
- Free online at zeroseries.dev/zero/the-world/
How tech is changing indigenous matchmaking
Nigerian developers are creating indigenous dating apps like Trueflutter to cater to local cultural and religious values, moving beyond global hookup apps.
EH-SWADS: energy-harvesting smart weather-aware drone sink for agricultural WSNs
Scientific Reports, Published online: 20 September 2026; doi:10.1038/s41598-026-72319-y EH-SWADS: energy-harvesting smart weather-aware drone sink for agricultural WSNs
2 Pitfalls in Priority Probes: Letting One Real Request Through an Open Circuit Breaker
A circuit breaker that stops everything is easy to reason about — until the one job that can't afford to wait gets stopped along with everything else.
- Priority probes allow one job through open circuit breaker
- Posting job suffered 43% execution rate due to quota consumption
- Two pitfalls: uniform job stopping and per circuit timestamp issue