Today I Learned

This is a collection of short notes of the things I have learned on the daily while working on different technologies. I share these notes as I learn in public.

116 TILs and counting... Feeling lucky?

You can follow along by watching my GitHub repository.

2024-12-30
Override web content and HTTP response headers locally
2024-12-29
Dart Supports Underscore Digit Separators
2024-12-25
Replace a Git Repository with a New One
2024-01-28
Send analytics data using the Beacon API
2024-01-03
TypeScript: ElementRef for React.useRef
2024-01-02
Null is a billion-dollar mistake
2024-01-01
TypeScript: exactOptionalPropertyTypes
2023-12-27
Use Zod to validate File input
2023-12-21
Smart App Banners
2023-12-18
GPTBot is OpenAI’s web crawler
2023-12-10
GitHub Issue Forms
2023-12-07
SvelteKit Sync
2023-11-21
Recursively delete .DS_Store
2023-10-25
Emulate a focused page in DevTools
2023-10-11
JavaScript Barrel File
2023-09-18
Nginx Nested Locations
2023-07-20
Git: push --force-with-lease
2023-06-16
Automatically handle `updated_at` column
2023-06-05
How to Stop All Docker Containers
2023-05-04
JavaScript: Tagged Template Literals
2023-04-13
EditorConfig Glob Expressions
2023-03-23
TypeScript Exact Types
2023-03-21
Overriding HTML Attributes in React TypeScript
2023-03-17
Show contents of Git stash
2023-03-14
Copy a function in JavaScript
2023-03-12
Add to previous Git commit
2023-03-06
The Mark Text element
2023-02-28
Git: Work with multiple accounts
2023-02-27
Fetch Response.statusText
2023-02-26
Signals
2023-02-25
Math.random() vs Crypto.getRandomValue()
2023-02-24
Next.js statically typed links
2023-02-23
Spread operator clones enumerables properties
2023-02-22
CSS.escape()
2023-02-21
JavaScript: scrollend event
2023-02-20
JavaScript Symbol.iterator
2023-02-19
Docker: Copy files from another image
2023-02-18
Module Federation
2023-02-17
Microfrontend using single-spa
2023-02-16
TypeScript narrow Array.includes()
2023-02-15
JavaScript Import Map
2023-02-14
TypeScript: Callable interface
2023-02-13
Show data about an npm package using npm view
2023-02-12
JSON.parse reviver parameter
2023-02-11
JavaScript WeapMap
2023-02-10
JavaScript Map
2023-02-09
Cypress cy.clock()
2023-02-08
Add custom config to Axios requests
2023-02-07
Implementing a custom RTK Query baseQuery
2023-02-06
Using Promise.race() to implement request timeout
2023-02-05
Remove React app from the DOM
2023-02-04
setTimeout(): Node.js vs Web
2023-02-03
Astro's image integration
2023-02-02
No browser cache with self-signed certificates
2023-02-01
import.meta
2023-01-31
Spaces vs tabs: It's an accessibility issue
2023-01-30
X-Robots-Tag
2023-01-29
npm disable audit in .npmrc
2023-01-28
npm using latest version of package
2023-01-27
CSS pseudo-classes and pseudo-elements
2023-01-26
CSS ::first-letter pseudo-element
2023-01-25
Make changes to a dependency using pnpm patch
2023-01-24
TypeScript: Satisfies operator
2023-01-23
Get current page URL in Astro
2023-01-22
TypeScript: Type-only imports and exports
2023-01-21
Use pnpm's shell-emulator to execute scripts on all platforms
2023-01-20
Deep clone object with structuredClone()
2023-01-19
Delete files by modified date
2023-01-18
Checkout previous branch in Git
2023-01-17
Remove debugger statements in Vite
2023-01-16
Add an object to existing JSON using jq
2023-01-15
TypeScript Assertion Functions
2023-01-14
CSS :is() pseudo-class
2023-01-13
Redirect stderr to stdout using 2>&1
2023-01-12
JavaScript: Negative Zero (-0)
2023-01-11
There are actually 50 CSS length units
2023-01-10
CSS :has() pseudo-class
2023-01-09
CSS property: font-variant-numeric
2023-01-08
There are 44 CSS length units
2023-01-07
Create a release in GitHub using API
2023-01-06
Delete lines in vi
2023-01-05
TypeScript Template Literal Types
2023-01-04
Push Docker image to self-hosted registry
2023-01-03
Rename an AWS Lightsail instance
2023-01-02
List the files with the most disk usage
2023-01-01
Restore a deleted file in Git
2022-12-22
User-defined type guard in TypeScript
2022-11-30
Using the `tar` command
2022-11-05
Git Remove All Commits
2022-11-02
Using Nunjucks Macros in Eleventy
2022-11-01
Netlify Node.js Version
2022-10-29
Extending HTML Element Types in React 18
2022-10-16
Accessing stdin with file descriptor 0
2022-10-13
The Details disclosure element
2022-10-08
ESLint's `no-restricted-syntax` rule
2022-09-29
TypeScript: Exhaustiveness checking in switch with union type
2022-09-22
Inferring the types from a Remix loader
2022-09-20
Today I Learned: PHP
2022-09-16
Array.prototype.reduce() can be typed in TypeScript
2022-09-06
Use same git commit message as previous commit
2022-08-16
JSON.stringify replacer parameter
2022-08-15
TypeScript: @ts-expect-error
2022-07-23
TypeScript Config: noUnCheckedIndexAccess
2022-07-07
Using Netlify Redirects to build a URL Shortener
2022-06-28
Proxying using Netlify Redirects
2022-06-23
Add color using FORCE_COLOR
2022-06-22
Get last modified date using GitHub GraphQL API
2022-06-01
Hex color notation have an alpha channel
2022-05-24
Logging variables in Chrome DevTools using logpoints
2022-05-07
Svelte components have file location meta data
2022-04-16
Using GitHub Actions to push changes
2022-02-16
Add features to your Netlify site with Snippet Injection
2022-02-12
Enable HTTP/2 in Vite's Dev Server by using HTTPS
2022-01-28
Buttons can have a value like input elements
2022-01-18
The Idiomatic Text element
2022-01-10
Type declarations for a Vite app