From Mixtral to Kimi K3: How Mixture-of-Experts Models Evolved
Botao Deng |
In this article, we'll discuss how Mixture-of-Experts models grew from a handful of experts to nearly 900 per layer, and the compression and stability mechanisms that keep such a sparse design trainab... read more
I Added a CDN Cache to My Site and It Got Slower. Here's the Math I Should Have Done First.
Javeed Shaik |
Last week I put a CDN cache in front of a static site, expecting it to get faster. But instead, it got measurably slower. Not subtly: an independent crawler that had flagged 38 slow pages before the c... read more
How to Get Reliable Structured Data Out of an LLM
Vineeth Pawar |
Most tutorials about calling a language model end at JSON.parse(response.content). That line works on your first ten test cases. Then you ship, and somewhere around request four hundred the model retu... read more
How to Test Flutter Apps: Unit, Widget, Golden, and Integration Tests Explained
Gidudu Nicholas |
The first time I was asked "what's your test coverage?" in a technical interview, I didn't have a good answer. I had shipped a couple of real Flutter apps by then. They worked and users were using the... read more
Build AI Agents, APIs, and Full-Stack Apps with Meta Muse Code & Muse Spark
Beau Carnes |
As AI developer tooling expands, vertically integrated ecosystems offer powerful alternatives for building software. In this comprehensive three-hour course on the freeCodeCamp.org YouTube channel, in... read more
Stop Building AI Slop: Build High-End Web Apps with AI
Beau Carnes |
Many developers use AI coding tools to generate generic, cookie-cutter interfaces that feel uninspired and incomplete. In our latest full course on the freeCodeCamp.org YouTube channel, instructor Eri... read more
The Paper That Created Modern AI: The Story Behind the Transformer
Beau Carnes |
Every time you interact with a modern AI model you are relying on an architecture born from a single 2017 research paper titled "Attention Is All You Need." Our latest video on the freeCodeCamp.org Yo... read more
How to Tell If Your Search Console Impressions Came From a Human or a Machine
Chudi Nnorukam |
Your Search Console report says a page earned 3,068 impressions on the first page of Google over 90 days. But it earned zero clicks in that same time period. The usual reading is that the page has a c... read more
Build a Market Time Machine: Replay Trading Sessions with Python and WebSockets
Nikhil Adithyan |
Historical market data usually arrives as a completed dataset. That's convenient for analysis, but very different from the way trading software experiences a live market. In production, events arrive... read more
How to Build a Flashcard Study App with Next.js and MongoDB
David Aniebo |
If you've ever crammed for an exam the night before, you know how hard it is to remember everything. Flashcards are one of the most effective study tools because they use active recall: you actively t... read more