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Building a Privacy-First AI Parent Chat with Ably AI Transport
21+ min ago (141+ words) DEV Weekend Challenge: Community This is a submission for the DEV Weekend Challenge: Community Parents today face a difficult choice: stay connected with their community on platforms like Facebook, WhatsApp, or Instagram " or protect their family's privacy. These Big Tech…...
Arquitectura Cloud Moderna para Aplicaciones Web en AWS
21+ min ago (284+ words) Cuando aprendemos AWS, solemos estudiar los servicios por separado: EC2, RDS, S3, VPC" Pero la verdadera ingenier'a comienza cuando entendemos c'mo se conectan entre s' para formar una arquitectura escalable, segura y lista para producci'n. En este art'culo explico una arquitectura moderna…...
I Built a DJ Playlist Optimizer Without Writing a Single Line of Code Myself
22+ min ago (190+ words) I'm not a programmer. I run a YouTube channel about electronic music (634K subs) and I DJ psytrance. I built a web app that solves a real problem I kept running into. Here's what happened. Every DJ using Rekordbox (in my…...
SQL Joins and Window Functions: A Beginner Friendly Guide.
25+ min ago (852+ words) If you're learning data analytics, SQL will quickly become your daily tool. But then, two topics decide whether you'll feel confident or constantly confused: joins and window functions. Joins are how you combine related data across tables, and window functions…...
How We Saved a High-Traffic IoT Service from 200 RPS to 20,000+ RPS (and a $42k+ AWS Bill)
31+ min ago (1198+ words) In the world of high-concurrency systems, throwing more hardware at a problem is often the most expensive way to fail. Recently, I revisited some investigation logs and Go pprof profiles from a project I handled four years ago as a…...
AI For Everyone: Why the Democratization of Artificial Intelligence Actually Matters
43+ min ago (426+ words) Not too long ago, artificial intelligence was the exclusive domain of tech giants, research universities, and companies with deep pockets. If you wanted access to powerful AI tools, you either needed a computer science degree, a Silicon Valley budget, or…...
Step Functions Distributed Map Best Practices for Large-Scale Batch Workloads
43+ min ago (790+ words) When I need to process a very large dataset in parallel on AWS without standing up a whole batch platform, AWS Step Functions Distributed Map is one of the first tools I reach for. It gives me a clean orchestration…...
StarGather: Shared Astronomy Observation Log with Instant Sky Map Viewer (DEV Weekend Challenge: Community)
43+ min ago (210+ words) DEV Weekend Challenge: Community This is a submission for the DEV Weekend Challenge: Community I built this for local amateur astronomy clubs " the kind of passionate groups that organize star parties, share telescopes, and get excited about showing each other…...
I spent 25 hours this weekend creating the world's first social media + ecosystem platform for open source developers.
45+ min ago (164+ words) DEV Weekend Challenge: Community This is a submission for the DEV Weekend Challenge: Community OpenShelf was built for the modern Open Source ecosystem, a community that is currently fragmented across dozens of disconnected platforms. Software today is built in the…...
7 Failed Attempts to Create One Cloud Server on Alibaba Cloud
49+ min ago (867+ words) This is Part 3. Part 1 covered 3 bugs in the video merging engine. Part 2 was about Oracle Cloud's "Always Free" servers that don't exist. This one is about what happened when I tried Alibaba Cloud instead. I run long strategy sessions " 6 to…...
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