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2984 articles from 16 sources
⏱ Remote Timer — an easy way to keep time under control
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DEV Community · Technology

⏱ Remote Timer — an easy way to keep time under control

I recently created Remote Timer because I needed a simple tool to run Scrum events with my team. I hope it’s useful for you too! But Remote Timer is much more than just a sprint timer — it’s perfect for presentations, meetings, speeches, debates, Zoom calls, and any situation where keeping everyone...

Pro Project Managment
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Why I Stopped Logging In to Read Tweets
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DEV Community · Technology

Why I Stopped Logging In to Read Tweets

Someone shares a tweet in a Slack channel. I click. Twitter shows me half the post, then drops a login wall. I close the tab. This happens constantly now. Public content — content that was publicly broadcast, on a public URL — has been quietly converted into gated content. Not by changing what's pu...

James Mitchell
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I Built an AI That Texts People Back as Me — and Nobody Noticed
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DEV Community · Technology

I Built an AI That Texts People Back as Me — and Nobody Noticed

This is a submission for the OpenClaw Challenge. What I Built I built a personal messaging proxy — an OpenClaw agent that monitors my WhatsApp and Telegram, responds to incoming messages on my behalf, and does it so accurately that most people think it’s me. The problem...

Saviour Promise
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Vector Databases Explained: A Comparison of Pinecone, Chroma, and Weaviate
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DEV Community · Technology

Vector Databases Explained: A Comparison of Pinecone, Chroma, and Weaviate

Vector Databases Explained: A Comparison of Pinecone, Chroma, and Weaviate A technical deep dive into vector databases, comparing Pinecone, Chroma, and Weaviate, including prerequisites, concepts, and production tips The rise of machine learning and artificial intelligence has led to a...

Rajesh Mishra
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Pulse Check: Real-time Arrhythmia Detection with Isolation Forest and InfluxDB
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DEV Community · Technology

Pulse Check: Real-time Arrhythmia Detection with Isolation Forest and InfluxDB

Ever tried to find a needle in a haystack? Now imagine the haystack is moving at 250Hz, and that "needle" is a life-threatening heart arrhythmia. In the world of wearable technology, handling high-frequency ECG/EKG data isn't just a "big data" problem—it's a "fast data" problem. To keep users safe...

Beck_Moulton
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Building an AI Tutor for 40 Million Ethiopian Students Who Learn in Amharic
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DEV Community · Technology

Building an AI Tutor for 40 Million Ethiopian Students Who Learn in Amharic

When I tell people that 40 million Ethiopian students don't have access to quality tutoring, they're shocked. When I explain that most of them learn in Amharic—not English—the tech community suddenly goes quiet. This is the reality I've been wrestling with as a developer in Addis Ababa. Ethiopia ha...

Natnael Getenew
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Standardizing "Intelligence": The 3-Layer Metadata Philosophy
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DEV Community · Technology

Standardizing "Intelligence": The 3-Layer Metadata Philosophy

In our previous posts, we’ve discussed why AI Agents fail when they rely on "vibes" and why they need a "Cognitive Interface." But what does "Intelligence" actually look like at the code level? If you ask ten developers how to describe a tool to an AI, you’ll get ten different answers. Some will f...

tercel
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Why I built a lossless alternative to AI memory summarization
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DEV Community · Technology

Why I built a lossless alternative to AI memory summarization

Why I built a lossless alternative to AI memory summarization Every AI memory tool I tried summarized my sessions before giving them back to me. I'd spend an hour debugging a gnarly webhook bug with Claude Code. A week later I'd come back, ask about it, and get a three-sentence LLM summary. The ac...

Nate Nelson
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I Gave an AI a Body. Here’s What Happened.
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DEV Community · Technology

I Gave an AI a Body. Here’s What Happened.

A personal reckoning with OpenClaw — the open-source assistant that doesn’t just answer, it acts. I’ve been chasing the “perfect AI assistant” for years. I tried every chatbot. I built custom GPT wrappers. I wired together n8n automations, pasted prompts into Notion, and set up more Zapier flow...

Saviour Promise
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#DevChallenge #openclawchallenge
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DEV Community · Technology

#DevChallenge #openclawchallenge

Project development essay Introduction This essay outlines the key details that shaped the development of the project submitted to the OpenClaw Challenge. It combines a concise project summary, the technical and product decisions made during development, and practical notes on how the submission was...

Dan
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How I Used AI ~MultiAgent~ Simulation to Fix My Ad Messaging
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DEV Community · Technology

How I Used AI ~MultiAgent~ Simulation to Fix My Ad Messaging

From Guessing to Knowing: How I Used AI Agent Simulation to Fix My Ad Messaging A UX researcher's experiment in synthetic audience intelligence — and what it taught me about my own product. The Honest Problem I had ads. Good ads, I thought. They were clean. They hit the fe...

Luis Vargas
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Family of US man who died after officer shoved knee into back sues police
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The Guardian · World

Family of US man who died after officer shoved knee into back sues police

Charles Adair relatives urge video to be made public after Kansas officer charged with second-degree murderRelatives of a man whom investigators determined died after a Kansas sheriff’s deputy shoved his knee into the cuffed man’s back for a minute and 26 seconds have filed a federal lawsuit.Attorne...

Associated Press
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How to Get Your Website Recommended by ChatGPT
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DEV Community · Technology

How to Get Your Website Recommended by ChatGPT

When users ask ChatGPT to recommend a tool, a restaurant, or a service, the model draws from the websites it has crawled and the knowledge it has accumulated. Getting your site into those recommendations is not about gaming the system — it is about making your site genuinely easy for AI models to un...

Johan
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