Cassidy Williams

cassidoo.co ↗

I'm Cassidy Williams, a software engineer, mom, and overall nerd in Chicago. I write about tech, projects, and whatever else I'm thinking about!

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💌 33 of my own joke concepts that have never seen the light of day
published 20 months ago
💌 The ABCD framework for feedback
published 7 months ago
💌 The Abilene Paradox
published 7 months ago
💌 How to Ace an Interview
published 13 years ago
💌 Actually try on your job applications
published 2 years ago
💌 Adios, 2024
published 19 months ago
💌 Writing Practice: The Agua Caliente Airport
published 10 years ago
💌 A fun trick for getting discovered by LLMs and AI tools
published 5 months ago
💌 Experimenting with AI voice
published 2 years ago
💌 Building for a physical scavenger hunt with Astro, Tally, and Netlify
published 13 months ago
💌 Analog girly
published 2 years ago
💌 Kind of annoyed at React
published 2 years ago
💌 How to ask for help
published 13 years ago
💌 Whitespace in Astro 7.0
published 29 hours ago
💌 Build wicked fast sites with Astro: An Introduction
published 5 years ago
💌 Avoiding burnout as an ambitious developer
published 7 years ago
💌 Baby sayings
published 13 months ago
💌 I am back at work and it feels weird!
published 8 months ago
💌 Base CSS for your text-based pages
published 2 years ago
💌 A Weekend at BattleHack Boston
published 12 years ago
💌 Being available: The secret to great leadership
published 4 years ago
💌 Being funemployed, and all that jazz
published 2 years ago
💌 I am better than you at everything
published 13 years ago
💌 I rewrote my blog! And website! They are one!
published 2 years ago
💌 Wrapping up Blogvent 2024
published 19 months ago
💌 Wrapping up Blogvent 2025
published 6 months ago
💌 Boo yah.
published 16 years ago
💌 Making my startup come back to life
published 19 months ago
💌 I love reading fantasy again
published 2 years ago
💌 How my big bod broke a bus
published 15 years ago
💌 My language brain is... broken?
published 3 years ago
💌 Browser extensions I shipped in 2024
published 19 months ago
💌 Microsoft Build 2026 recap
published 3 weeks ago
💌 Buh bye, 2023
published 2 years ago
💌 End of an era with Stack Overflow
published 15 months ago
💌 My last days at ISU
published 13 years ago
💌 My second c-section experience
published 15 months ago
💌 My c-section experience
published 3 years ago
💌 It would be cool for 2024 to just calm down
published 19 months ago
💌 A career chat with students in the age of AI
published 6 months ago
💌 Cassidy Williams... who is she
published 2 years ago
💌 Change commit timestamps in Git
published 7 months ago
💌 Food I recommend in Chicago in 2025
published 7 months ago
💌 That Windy City Keeb Meet 2025 recap
published 12 months ago
💌 Closures in JavaScript
published 11 years ago
💌 A simple clustering algorithm for lists
published 5 weeks ago
💌 Co-authoring Git commits
published 3 years ago
💌 Code Wave Build Log
published 5 months ago
💌 Fix your upgrades and migrations with Codemods
published 7 months ago
💌 Codemotion Madrid 2026 recap
published 2 months ago
💌 Deploy from CodePen to Netlify in less than 30 seconds
published 6 years ago
💌 Picking your brain: Cold call email etiquette
published 11 years ago
💌 How to switch to Astro Content Collections
published 20 months ago
💌 The laptop you need for college
published 13 years ago
💌 Combining tools for fun and profit
published 20 months ago
💌 What is Computer Science ACTUALLY like?
published 13 years ago
💌 Saying goodbye to my crappy vision
published 4 years ago
💌 Crushing Procrastination in 3 Steps
published 13 years ago
💌 Use CSS accent-color to style your inputs
published 2 years ago
💌 The what, how, and why of CSS clamp()
published 7 months ago
💌 Making interesting borders with CSS corner-shape
published 5 months ago
💌 A couple CSS tricks for HTML Dialog elements
published 19 months ago
💌 A use-case for CSS :has()
published 2 years ago
💌 The CSS Image Values Spec
published 12 years ago
💌 How I built my (mostly) CSS Light Switch Toggle
published 7 years ago
💌 CSS for markdown blockquote attribution
published 6 months ago
💌 How I built my CSS Rice Ball Dessert
published 7 years ago
💌 Pure CSS3 Text Carousel
published 11 years ago
💌 A history of styling choices leading to native CSS
published 3 months ago
💌 Making art with CSS gradients and corner-shape and skew, oh my
published 4 months ago
💌 Dear Cassidy of 2 months ago
published 3 years ago
💌 Deep Dish Swift 2026 recap
published 2 months ago
💌 Design Your First iPhone App
published 13 years ago
💌 The developer relations pendulum swings again
published 20 months ago
💌 I spoke at DinosaurJS and React Loop last week
published 7 years ago
💌 Improving my newsletter's open rate the hard(er) way
published 5 months ago
💌 Doing things that don't scale is about finding value
published 20 months ago
💌 Configure your repositories with .github
published 6 months ago
💌 Finding your dream major in college
published 13 years ago
💌 I fell asleep in a driverless car
published 21 months ago
💌 Ductts Build Log
published 11 months ago
💌 Apollo Mission - The Pros and Cons of Being an Early Adopter of New Technology
published 7 years ago
💌 On the edge of burnout
published 4 days ago
💌 Goodbye to an 11-year-old Issue
published 7 months ago
💌 A pretty good email scam
published 7 months ago
💌 Trying out Ente for media backup
published 7 months ago
💌 "Escaping" Next.js to access the browser
published 6 years ago
💌 Making a faded text effect in (mostly) CSS
published 12 months ago
💌 Facebook's 2012 Summer of Hack
published 15 years ago
💌 Front-end Design Conference recap
published 2 years ago
💌 Feedback is awesome
published 13 years ago
💌 Convert a video from dark mode to light mode with FFmpeg!
published 17 months ago
💌 Figma Config recap
published 2 years ago
💌 Finding a Mentor
published 12 years ago
💌 I like when apps are "finished"
published 6 months ago
💌 My first go tournament
published 2 years ago
💌 I made a game called Flapjack Fwop
published 8 years ago
💌 What does it mean to flatten an array?
published 14 months ago
💌 Playing with Fliiip Book
published 10 months ago
💌 Being forced to upgrade
published 20 months ago
💌 Amazing and Free Software
published 17 years ago
💌 Greetings, future billionaires
published 2 years ago
💌 A note on the future of Jumblie
published 22 months ago
💌 Getting paid is weird and sometimes hard
published 2 years ago
💌 Have GitHub Copilot see your diff (and other cool tricks)
published 12 months ago
💌 A Quick Guide for Building your own GitHub Copilot Extension
published 23 months ago
💌 A Quick Guide for Building your own GitHub Copilot Extension
published 23 months ago
💌 Using personal instructions in GitHub Copilot Chat
published 12 months ago
💌 Cassidy's Gift Guide 2023
published 2 years ago
💌 Non-traditional push presents
published 2 years ago
💌 How to use GitHub Copilot Edits
published 19 months ago
💌 Do not give up your brain
published 5 months ago
💌 Writing good words for tech folks
published 20 months ago
💌 Grace Hopper in Baltimore!
published 14 years ago
💌 HackISU Hackathon!!
published 13 years ago
💌 Hello.
published 18 years ago
💌 Hello, world
published 4 years ago
💌 Here come the 2013 Mashups!
published 13 years ago
💌 How reducers work
published 7 months ago
💌 HTML+CSS Tutorial, Part 1
published 13 years ago
💌 HTML+CSS Tutorial, Part 2
published 13 years ago
💌 Create an HTML dialog when you click an image
published 16 months ago
💌 Hum de dum
published 18 years ago
💌 I miss human curation
published 2 years ago
💌 How I approach humor
published 20 months ago
💌 Why I like Astro
published 3 years ago
💌 I really love entering raffles
published 19 months ago
💌 Ideal fishing spots
published 2 years ago
💌 Calling an imported API at runtime in Astro
published 3 years ago
💌 Crushing the Impostor Syndrome
published 14 years ago
💌 My inbox is so full
published 6 months ago
💌 Influencing without authority
published 7 months ago
💌 Styling the icon for HTML date and time types
published 14 months ago
💌 Inspirational quotes to get you through the day
published 13 years ago
💌 We should have more friction in our lives
published 16 months ago
💌 Why JavaScript variables don't always update
published 2 years ago
💌 Jumblie 100
published 2 years ago
💌 Jumblie Build Log
published 2 years ago
💌 Jumblie has a database!
published 2 years ago
💌 Just Dancing.
published 16 years ago
💌 Adding Keyboard Shortcuts to your React Apps
published 11 years ago
💌 KeyCon 2026 recap
published 2 weeks ago
💌 Choose kindness over pile-ons
published 20 months ago
💌 L4 Digital: First Impressions
published 10 years ago
💌 La Pedra Go Club in Barcelona
published 6 weeks ago
💌 Adding a lang attribute to your Next.js site
published 4 years ago
💌 Lasagna and a root beer float
published 7 months ago
💌 Layering CSS gradients
published 2 years ago
💌 Leaky Bucket
published 7 years ago
💌 Actively learning languages
published 20 months ago
💌 Making a single line break in markdown
published 2 years ago
💌 Make line breaks work when you render text in a React or Vue component
published 4 years ago
💌 5 applications of linear regression that will drive him crazy
published 11 years ago
💌 Things you should have on your LinkedIn profile
published 13 years ago
💌 Things you should have on your LinkedIn profile
published 13 years ago
💌 Connecting the Logitech MX Creative Console to Elgato Lights
published 2 months ago
💌 I am making videos again!
published 4 months ago
💌 Geek mama... saying no... part 2
published 16 months ago
💌 Geek mama... saying no
published 2 years ago
💌 Appreciating Mary Cassatt now that I am a mom
published 5 months ago
💌 Maternity TV
published 3 years ago
💌 Make your images in markdown on GitHub adjust for Dark Mode and Light Mode
published 15 months ago
💌 Passing Markdown components to React or Preact in Astro
published 4 years ago
💌 Memorize quotes
published 3 years ago
💌 The Merge in Berlin recap
published 2 years ago
💌 Building the Micro Journal
published 2 years ago
💌 This is how a rock star feels
published 15 years ago
💌 Giving people what they do not need: mild panic
published 7 years ago
💌 Debugging my Micro Journal
published 17 months ago
💌 Why you should code together: Mob Programming FAQs
published 6 years ago
💌 Moose facts
published 4 years ago
💌 A moose playing Go in a park while drinking boba
published 9 months ago
💌 System.out.print("My Major");
published 16 years ago
💌 Customizing my Zsh Prompt
published 4 years ago
💌 Making the "End of Year Developer" nature documentary
published 6 months ago
💌 Three ways to set headers with Netlify and Astro
published 3 years ago
💌 Setting up Netlify Redirects with Astro
published 3 years ago
💌 Networking as a college student
published 13 years ago
💌 Coming up with blog topics
published 7 months ago
💌 Environment variables in Next.js and Netlify
published 6 years ago
💌 Next.js: Should I use SSR or SSG?
published 6 years ago
💌 Making a custom 404 page in Next.js
published 6 years ago
💌 Absolute Imports in Next.js
published 6 years ago
💌 Enabling AMP in your Next.js projects
published 6 years ago
💌 Query an API at both build time and runtime with Next.js
published 6 years ago
💌 Adding Babel presets and plugins in Next.js
published 6 years ago
💌 Global Styles in Next.js
published 6 years ago
💌 Logging in Next.js
published 6 years ago
💌 An Incredibly Serious Discussion about Next.js at Reactathon
published 6 years ago
💌 Shallow Routing in Next.js
published 5 years ago
💌 React Strict Mode in Next.js
published 6 years ago
💌 How to turn off telemetry in Next.js
published 6 years ago
💌 Nice keyboards make me want to write blogs
published 2 years ago
💌 Non-determinism and ownership
published 7 months ago
💌 The what and the what now: note-taking
published 20 months ago
💌 Using Notebook Navigator and Cupertino in Obsidian
published 9 months ago
💌 Noticing the little things
published 20 months ago
💌 Making a virtual credits sequence for your video calls with OBS and CodePen
published 5 years ago
💌 How I use Obsidian Dataview
published 19 months ago
💌 How I use Obsidian Templater
published 19 months ago
💌 Generating open graph images in Astro
published 13 months ago
💌 One year at Venmo
published 11 years ago
💌 Open standards, trust, and Google
published 3 years ago
💌 Fighting open source spam with interaction limits
published 20 months ago
💌 Pursuing Passive Learning
published 5 years ago
💌 How passkeys work
published 4 months ago
💌 Pausing a CSS animation with getAnimations()
published 7 months ago
💌 Happy Pi Day!
published 14 years ago
💌 This is probably the most I will ever pretend
published 10 months ago
💌 A Brief History of the PNG
published 12 years ago
💌 PocketCal Build Log
published 14 months ago
💌 Podcasts I'm listening to in 2025
published 7 months ago
💌 A poem delivered by my 2.5 year old that encapsulates parenthood
published 8 months ago
💌 The positives coming from the negatives
published 12 years ago
💌 I went to the White House!
published 14 years ago
💌 Tips for posting on LinkedIn
published 2 years ago
💌 How to make your RSS feed pretty
published 20 months ago
💌 The small, private wins
published 3 years ago
💌 The Productivity apps I use in 2022
published 4 years ago
💌 The Productivity apps I use in 2023
published 3 years ago
💌 The Productivity apps I use in 2024
published 2 years ago
💌 10 Tips for Successful Public Speaking
published 13 years ago
💌 Publishing to my blog from Obsidian
published 2 years ago
💌 Making Puppeteer work at build time on Netlify
published 13 months ago
💌 5 Questions to Ask Your Boss
published 13 years ago
💌 Questions to ask when you think you need to finish something
published 10 months ago
💌 Quirky local delights
published 3 years ago
💌 An animated radial gradient mask over text in CSS
published 3 days ago
💌 My rainbow sweater
published 3 months ago
💌 React 18 Alpha is out! Now what?
published 5 years ago
💌 React Children: The misunderstood prop
published 6 years ago
💌 Using React Context for state management in Next.js
published 6 years ago
💌 What is React Fast Refresh?
published 6 years ago
💌 How and when to use keys in React
published 2 years ago
💌 Building a custom React media query hook for more responsive apps
published 6 years ago
💌 Making a simple React microphone component
published 2 years ago
💌 Re-ordering Git commits
published 18 months ago
💌 Tips for remembering names
published 13 years ago
💌 Introduce yourself to your remote team
published 20 months ago
💌 Renaming a folder on the GitHub website
published 4 years ago
💌 Building My S60-X Keyboard
published 10 years ago
💌 I (don't?) want to say yes to everything
published 13 months ago
💌 Follow your dreams (literally): How I designed and launched the Official Scrabble Keyboard
published 8 years ago
💌 Seattle and the internet
published 2 years ago
💌 I am going to have a second baby and my brain is spinning
published 16 months ago
💌 See ya, 2022
published 3 years ago
💌 HTML "self-awareness" with sibling indexing in JavaScript
published 2 years ago
💌 Notes for my future self on how to set up a camera for streaming
published 3 months ago
💌 Sewing an e-reader case
published 7 months ago
💌 Ship it anyway
published 20 months ago
💌 Haunted by my own projects
published 20 months ago
💌 Side quests
published 23 months ago
💌 Sleep is the most magical thing in the world
published 22 months ago
💌 Sorting Git branches
published 2 years ago
💌 Automatically mark pull requests and issues as stale with GitHub Actions
published 7 months ago
💌 Startup Weekend Ames
published 14 years ago
💌 I made a bookmark out of stickers
published 3 years ago
💌 Stock options, vesting, and exercising, oh my
published 2 years ago
💌 Styling a CSS pseudo-element with JavaScript
published 2 years ago
💌 Subconscious Learning
published 11 years ago
💌 Importing SVG files as React components with Vite
published 3 years ago
💌 Managing knowledge on a team
published 4 years ago
💌 How to break the cycle of tech debt
published 4 years ago
💌 Speaking at TechCamp Korea 2026
published 2 months ago
💌 My Talk at TEDxDesMoines
published 13 years ago
💌 How to test a browser extension locally
published 2 years ago
💌 I got yet another digital typewriter: The BYOK
published 3 months ago
💌 Loving and hating the streak
published 3 years ago
💌 The T in Often
published 17 years ago
💌 Think less, ship more
published 17 months ago
💌 Thirteen Potions Build Log
published 2 years ago
💌 I can't see!
published 15 years ago
💌 Time containers
published 23 months ago
💌 Adding co-authors to TinaCMS's Git commits
published 2 years ago
💌 Turning todos into tadas
published 3 years ago
💌 Building todometer: a meter-based to-do list
published 9 years ago
💌 Shipping todometer, version 3!
published 2 months ago
💌 Toodles, 2025
published 6 months ago
💌 Tools using tools
published 12 months ago
💌 Remaking the Linux "touch" command in PowerShell
published 5 months ago
💌 Tracking side project income
published 20 months ago
💌 Removing trailing space underlines from groups of anchor tags
published 3 years ago
💌 Traveling to technical events: A guide
published 2 years ago
💌 I made a tree visualizer
published 10 months ago
💌 Messing with Sketch Club
published 11 years ago
💌 Trying out TinaCMS
published 2 years ago
💌 Two(ish) months at Contenda
published 3 years ago
💌 Two months at GitHub
published 21 months ago
💌 2000 Poops
published 10 months ago
💌 Use Unicode characters for bullet points in CSS using ::marker
published 4 years ago
💌 Do successful products prioritize familiarity over uniqueness?
published 4 years ago
💌 Updating my blog to use Astro Collections
published 20 months ago
💌 Things I learned while upgrading my iPad
published 16 months ago
💌 My "romantic" Valentine's Day plans!
published 13 years ago
💌 Vibe coding is boring
published 7 months ago
💌 Voice lessons taught me that I should be... true to myself
published 23 months ago
💌 Keybindings I use in VS Code
published 15 months ago
💌 Building W-9 Crafter
published 2 years ago
💌 The beautiful sentence that is the web
published 19 months ago
💌 Add Web Monetization to your sites with Snippet Injection
published 6 years ago
💌 A Weekend at PennApps
published 13 years ago
💌 Things I would study more if I had time
published 7 months ago
💌 I don't know what MCP is and at this point I'm too afraid to ask
published 16 months ago
💌 When useEffect runs
published 3 years ago
💌 What's a house that's white in Washington D.C.?
published 14 years ago
💌 Making the Whitney Houston API
published 11 years ago
💌 Making a customizable wooden phone for my toddler
published 11 months ago
💌 The Wrist Keyboard
published 18 years ago
💌 I'm going to write for Stack Overflow!
published 7 years ago
💌 I have become more of a writing utensil snob
published 6 months ago
💌 I have become a minor writing utensil snob
published 20 months ago