Lack of strictNullChecks makes it hard to express nullability of values. fp-ts's Option comes to the type-safe rescue.

Using fp-ts containers in React hook dependency arrays is tricky since their references are not stable.

Figma does not officially support local filesystem fonts on Linux. However, there is an open-source tool that makes it possible.

yarn up '*' does not upgrade scoped packages by default. This article describes how to upgrade scoped packages.

Next.js can seem stuck fetching getServerSideProps result on client-side navigations. The approach outlined in the article bypasses making that network request, resulting in snappier UI, suitable for highly-interactive web applications.

Does await solve the problems of Promise.prototype.then? Not really.

In Node.js, omitting catching a rejection in at least one Promise chain leads to an unhandledRejection event and the process being usually killed.

JavaScript Promise's then function offers extra convenience. Is it harmful, though?

My solution to describing the state of a multi-step wizard in TypeScript.

How to fix unintentionally changing a git submodule hash to leave no trace of a mistake on your branch.

While trying to contribute to nvim-ts-rainbow I discovered that highlights in Neovim are implemented using extmarks.

My journey to using HiDPI in i3 and finally getting the full benefits of having a 4k monitor.

Two approaches in TypeScript to changing the type of an options parameter based on a generic function parameter.

The fp-ts library puts errors to the forefront and helps write type-safe code that correctly reports errors. Collecting errors from multiple operations can sometimes lead to boilerplate code. Let's see if there is a way to make that code shorter.

How to avoid duplicate work when serving pages for my blog? Building up indexes that summarize the articles in a concise format is one solution to this problem.