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CJ

@w3cj.com

Full Stack Dev, Explainer of Things Senior Creator at @syntax.fm / @sentry.io Host of coding.garden on Twitch and YouTube

200 Posts3912 Follower1636 Folgt
CJ@w3cj.com · 2w ago

The full pipeline of LLMs explained, excerpt from my video "I Built an LLM From Scratch"

CJ@w3cj.com · 3w ago

The output of a transformer (LLM) is a score (logit) for every possible next token. We then use temperature, softmax, top-p and sampling to choose the next token, excerpt from my video "I Built an LLM From Scratch"

CJ@w3cj.com · 3w ago

The transformer architecture that powers modern LLMs explained, excerpt from my video "I Built an LLM From Scratch"

CJ@w3cj.com · 3w ago

Token embeddings explained, excerpt from my video "I Built an LLM From Scratch"

CJ@w3cj.com · 3w ago

A brief history of neural networks, excerpt from my video "I Built an LLM From Scratch"

CJ@w3cj.com · 5mo ago

Who do you think will win the March MadCSS tournament? Fill out your bracket before March 6th for a chance to win some really dope stuff: madcss.com

A photo of all the things you can win if you win the MadCSS bracket challenge. $1500 worth of stuff for first prize including one of every single thing from the syntax store, one of all the MadCSS exclusive merch AND a $69 taco bell gift card.A photo of the MadCSS tournament bracket. Including all 16 participants and all 8 round 1 match ups.
CJ@w3cj.com · 5mo ago

If you were building a full stack JS framework from scratch today, what would you add that is missing from Next.js, SvelteKit, Nuxt, Tanstack Start and Solid Start?

CJ@w3cj.com · 5mo ago

The lack of route level middleware in Next.js has always bugged me. Claude added the feature to vinext in under an hour! Unlikely to be merged in but vinext being vite based makes things like this possible! Code: github.com/w3cj/vinext/... Demo: vinext-route-proxy-examples.cj-syntax.workers.dev

Add route level proxy by w3cj · Pull Request #1 · w3cj/vinext

vinext currently only supports a single top-level proxy.ts/middleware.ts that runs before all routes — the same limitation as Next.js. Users must use matcher patterns and if/else to scope logic to ...

github.com

Cloudflare@cloudflare.social · 5mo ago

We rebuilt Next.js in a week. No, really. The team ported the framework to run natively on Workers to prove what’s possible with edge-first architecture. Dive into the technical hurdles we solved to eliminate Node.js dependencies. https://cfl.re/3OqDpyJ

CJ@w3cj.com · 7mo ago

🄳🄴🄽🅅🄴🅁 🄸🄽🅃🄴🅁🄽🄰🅃🄸🄾🄽🄰🄻 🄰🄸🅁🄿🄾🅁🅃 🄰🅄🅃🄾🄼🄰🅃🄴🄳 🄶🅄🄸🄳🄴🅆🄰🅈 🅃🅁🄰🄽🅂🄸🅃 🅂🅈🅂🅃🄴🄼

The last car on The Denver International Airport Automated Guideway Transit System at night with no passengers. The ceiling lights are orange and blue. The train tunnel can be seen out of the window.
CJ@w3cj.com · 7mo ago

dev containers are amazing i slept on them way too long i show everything you need to know to get started in my latest video: www.youtube.com/watch?v=kPMA...

you should be using dev containers

YouTube video by Syntax

youtube.com

CJ@w3cj.com · 7mo ago

i created a dev container firewall feature that makes it super easy to lock down the network inside a dev container includes tons of allow lists like Github APIs / npm registry as well as AI APIs / tools this devcontainer.json is all you need for running sand-boxed claude code

example devcontainer.json with claude code and firewall