Stop Hand-Rolling Date and Number Formatting: JavaScript’s `Intl` API
The manual way (and why it bre…
Notes, tutorials, and post-mortems on the things I build and break. Published irregularly, edited obsessively.
The manual way (and why it bre…
The smell everyone writes You …
A very common React mistake is…
The trap: DateTime edits itsel…
itertools.groupby is fast and …
The Surprise Run this snippet …
A practical Python regex cheat…
Testing React syntax highlight…
A public end-to-end test of pu…
A 2 GB CSV will kill a PHP wor…
A counter with setInterval ins…
If a function does the same ex…
The surprising bug You have a …
PHP 8.1 enums give you type-sa…
The problem with raw status st…
The trap everyone hits once Yo…
Why this matters Backend servi…
PHP 8 attributes let you attac…
Beyond simple equality: destru…
React 18 intentionally double-…
Most relational databases stor…
If your database queries are s…
A practical introduction to th…