Three developers, three PHP patch versions and a bug that existed on one of them. A Vagrantfile, a playbook for everything inside it, and what the rebuild costs.
The claim that React is fast because of the virtual DOM has the causation backwards. Rendering a component tree into a JavaScript object graph and diffing it against…
Appending 400 rows to a table one at a time makes the browser invalidate layout after each insertion, because each one changes a tree that is still being…
Xdebug is not something switched on for a request. Loading the extension replaces the engine’s function-call handlers for the lifetime of the process, so the overhead is paid…
An off-canvas menu animated with left stutters on a phone and the same menu animated with transform does not. The usual explanation — “it uses the GPU” —…
Expiry in Redis is metadata attached to a key rather than an argument of the write, which is the opposite of the memcached-style API most people arrive from.…
Delegating to document is the version of event delegation that always works, so it becomes the default. Thirty handlers later, every click anywhere on the page walks the…