Builder. Trainer. Coach. 36 products, 19 years, still shipping. AI-augmented development | 50+ talks across 3 continents
Europe
Joined May 2009
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Three things happened this month that I can't stop thinking about:
A developer stopped opening his IDE.
A designer created a Claude Code skill.
A PM started shipping PRs instead of Jira tickets.
I wrote about what this means.
cassilup.com/blog/the-shifts…
I built 31 free financial calculators at fincruncher.com
No signups. No ads. No tracking. Just calculators.
Mortgage, compound interest, tariff impact, retirement, debt payoff, and 26 more.
Here's why I built it and what makes it different 🧵
Most calculator sites are SEO farms with tiny calculators buried under walls of ads.
FinCruncher is the opposite:
- Full-featured calculators (amortization, visualizations, PDF download)
- Client-side only. Your data never leaves your browser
- Clean, fast, mobile-friendly
If you run a blog or site, you can embed any calculator for free, one line of HTML, no API key:
fincruncher.com/embed/
Bloggers writing about tariffs, mortgages, or investing. Feel free to embed these in your posts.
The tariff calculator is especially timely: estimates how 2025-2026 US tariffs impact your household by income and spending category.
Based on Yale Budget Lab data.
Try it: fincruncher.com/calculators/…
The tariff calculator is especially timely — estimates how 2025-2026 US tariffs impact your household by income and spending category.
Based on Yale Budget Lab data.
Try it: fincruncher.com/calculators/…
Great write-up on how to improve the code review process
mtlynch.io/code-review-love/
Cassi Lup retweeted
I created a @remix_run extension for VSCode that allows you to search the documentation and display it right inside the editor 🎉📖.
marketplace.visualstudio.com…
The story behind the Windows 10 desktop wallpaper — pretty cool! gmunk.com/Windows-10-Desktop…
Authority is a good thing in so far as you are using it to create life in others.
#leadership
Cassi Lup retweeted
Fast & *portable* llama2 inference on the edge using #Wasm! The cross-platform executable is only 2MB, has zero Python dep, and utilizes local hardware acceleration (thanks to @ggerganov’s llama.cpp!). Runs on @realwasmedge — smooth as 🧈
👉 github.com/second-state/Wasm…
Cassi Lup retweeted
Whatever feeds you forms you.
Be careful what you consume, for that’s who you will become.
Just saw the @Humane Ai Pin demo. Blown away. I totally loved the approach to the UI being projected on the user’s hand.
Is this the future?
vimeo.com/882968794
Loved this hands-on explanation of Signals and how they are the better version of @reactjs Hooks.
youtu.be/SO8lBVWF2Y8?si=7gUl…
#Angular17 looks great. Can't wait to upgrade my projects to the latest cool tooling rolled out yesterday.
Thanks, @angular team!
What's new on Angular.dev?
A lot.
Let's take a tour of how our team is rethinking learning Angular and a more wholistic approach to documentation.
We have come full circle.
#MondayFunday
Cassi Lup retweeted
Fire up the Lambos and meet usePHP. Run PHP in React, with edge SSR. Extracts your PHP code, executes it in WASM, and injects the result into your React code.
ALT const php = await usePHP(request, h); <div> {await php` <?php echo "Hello world"; phpinfo(); ?> `} </div>
I'm attending React Summit US 2023 - get your free remote ticket and join me there with 1500 other engineers and 60+ great speakers
portal.gitnation.org/badges/…
#ReactSummitUS
The first thing you should ask yourself when interviewing for a new company is:
“Do I want to let these people influence me? Will these people make me a better father, husband, friend, person? Or will I have to fight against the influence?”
#interview #job #organizationalhealth