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News
Week 13 of #100DaysOfCode: Completing Spring Microservices and Starting JUnit 5
18+ min ago (875+ words) This week was another challenging but rewarding part of my #100DaysOfCode journey. I started the week by learning about Docker and containerized Microservices, exploring how containers differ from Virtual Machines, how Docker images and containers work, and how Docker helps package…...
Starting My Data Science Journey 🚀 | Day 1
24+ min ago (77+ words) Hello DEV Community! 👋 I'm Shravan Kumar, a B.Tech Computer Science student and an aspiring Data Scientist. Today, I'm taking another step in my journey of learning and building with technology. My goal is to become a skilled Data Scientist…...
`gh attestation verify` said yes to an image we never released
48+ min ago (1601+ words) Pulling a container image somebody else built asks four separate questions. Most people answer three of them and skip the fourth: The fourth is the one that has no substitute, and it is the one that is almost always skipped....
Implementing a Secure MCP Server
27+ min ago (910+ words) An MCP server often starts with a seemingly simple requirement: an AI host should find and summarise... Tagged with ai, mcp, architecture, gemma....
Explicit accessibility contracts make React components more portable
1+ hour, 3+ min ago (1010+ words) A component that works in a React app doesn't automatically work when you reuse it elsewhere in the React ecosystem. I moved a design-system layout component from a React app into a Next project and it broke. The problem wasn't…...
Database Indexing Mistakes That Are Quietly Killing Your App's Performance
38+ min ago (459+ words) Indexing is one of those topics every developer has heard of, most have used, and surprisingly few have actually reasoned through carefully. It's easy to add an index and move on — it's much harder to know whether that index is…...
API Rate Limiting: What Actually Breaks When You Get It Wrong
38+ min ago (417+ words) Most teams add rate limiting to their API as an afterthought — usually right after something has already gone wrong. A scraper hammers an endpoint, a client integration goes into a retry loop, or a single misbehaving user takes down a…...
AI didn’t replace my design process. It changed how fast I could execute it.
45+ min ago (138+ words) I’ve been experimenting with AI tools in my UI/UX workflow, and one thing has become clear: AI is great at generating ideas. But knowing what to build, what to remove, and why a user should care is still the…...
I built an email scorer in one HTML file with zero dependencies. Here is every threshold and where it came from.
56+ min ago (808+ words) I write about B2B sales for a living, which means I read a lot of cold emails and a lot of advice about cold emails. The advice is almost always unfalsifiable. "Keep it short." How short? "Be personal." Measured how? So…...
At the edge, the number that matters is memory - not throughput (specially in Ramageddon)
45+ min ago (720+ words) We rebuilt LF Edge eKuiper in Rust and ran it against eKuiper, Telegraf and Redpanda Connect... Tagged with rust, iot, performance, opensource....