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A single console.log was costing us $40,000 a year. I found it by accident.
Our API was slow. Not down, not throwing — just mysteriously, expensively slow under load. The p99...
Source: DEV Community
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I Built a Map That Remembers Where I Love to Ramble (and Nudges Me Outside)
This is a submission for the Hacktoberfest Open-Source AI Challenge: Week 1 — "Touch Grass". ...
Source: DEV Community
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What Actually Changes an LLM’s Hiring Decision?
This is a submission for the Kaggle Benchmarking Challenge. If a company uses an LLM to screen your...
Source: DEV Community
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I asked my junk mail one question: are you worth the walk?
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass This is...
Source: DEV Community
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Every "touch grass" app assumes you can walk. Mine asks how far you can go today.
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass ...
Source: DEV Community
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TerraGemma: An Offline Edge AI Trail Companion That Tells You to Put Your Phone Away
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass ...
Source: DEV Community
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NaturalDex: Building an Offline-First Nature Collection Game During Hacktoberfest 2026
Have you ever wanted to step outside, connect with nature, and explore beyond your comfort zone? I...
Source: DEV Community
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One `rm -f` Silently Disabled My Crash Detection
The daemon crashed, came back up, and recorded nothing. No gap, no warning, no log. The code was...
Source: DEV Community
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LegacyShop: Can an AI maintain a real codebase? (Kaggle Benchmark)
This is a submission for the Kaggle Benchmarking Challenge. Team: @g00ds0ul · @joyy-dev Benchmark:...
Source: DEV Community
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Build for a Friend: 6 Weekend DevOps Projects You Can Ship With Open-Source AI (Hacktoberfest DEV Challenge)
The theme for the first Hacktoberfest DEV Challenge is out, and it is Build for a Friend: pick one...
Source: DEV Community
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Four Pitfalls of Over-Relying on AI When Coding
I sit somewhere in the middle of the AI hype cycle. Not a hater nor a fanatic. I’ve been trying to...
Source: DEV Community
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Back to Being: go outside, write it yourself, then let a local AI name what you noticed
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass What I...
Source: DEV Community
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My walking app won't count a walk until my phone sees grass (and the photo never leaves it)
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass I keep...
Source: DEV Community
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If You Never Do Anything Else to Fix Your Prompts, Do This One Thing
Why do LLMs confidently invent APIs that have never existed in the history of the universe? It is not a memory defect. Agents hallucinated because they were committed to the prompt—and Fernando Flores solved the root cause in 1986.
Source: DEV Community
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Touch Grass: Snap Nature, Learn in Seconds, Get Back Outside 🌿
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass ...
Source: DEV Community
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"Light don go": when Nigeria''s power cuts out, my laptop sends me outside
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass ...
Source: DEV Community
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An AI optimization made llama2.c finish sooner and start streaming later
This is a submission for the Kaggle Benchmarking Challenge. I built a Kaggle benchmark to test...
Source: DEV Community · Llama
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Turnaround: an open-source hiking buddy that knows when you should turn back, and tells someone if you don't come home
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass Most hiking...
Source: DEV Community
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Clear Hour: I Committed an Air-Quality Forecast to Git Before the Day Started, Then Scored It in Public
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass 🌫️ TL;DR:...
Source: DEV Community
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DuckWalk: a rubber duck that won't talk to you until you go outside
This is a submission for the Hacktoberfest Open-Source AI Challenge: Week 1, Touch Grass ...
Source: DEV Community
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SkyQuest: An Open-Source Outdoor Astronomy Mission Platform Powered by Gemma
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass ...
Source: DEV Community
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Japan turning footsteps into Electricity, I turned them into Music.
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass ...
Source: DEV Community
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Go Outside: On-Device Gemma Writes You One Tiny Mission, Then Tells You to Put the Phone Away
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass ...
Source: DEV Community
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GitDrama: Turning Chaotic Git Commits & PR Battles into Animated Comic Shorts
This is a submission for the MLH x DEV Writing Challenge Every sprint, developers stare at thousands...
Source: DEV Community
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Ten more things that go wrong when you build with a team of AI agents (part 2)
Part 1 covered the first ten: symptom fixes, hidden sharing, lost messages, "done" without proof,...
Source: DEV Community
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Human Confirmation Cannot Be a Boolean: What an AI Write Has to Bind
The earlier pieces were about stopping things: where the boundary sits, how risk gets tiered, how a...
Source: DEV Community
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FieldClass AI: Your Textbook Becomes a Field Experiment
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass ...
Source: DEV Community
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Mind the Gap, Then Measure It
A small open model that gives you a reason to step outside and measure the curb gaps that trap wheelchair users and strollers, turning a vague complaint into a fix.
Source: DEV Community
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SunSync: How I Used TabPFN, Google Gemma, and ElevenLabs to Help Developers Touch Grass
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass ...
Source: DEV Community
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Where Did My Data Go? Benchmarking LLMs as Data Pipeline Detectives
This is a submission for the Kaggle Benchmarking Challenge What I Benchmarked Every data...
Source: DEV Community
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Q&A with Al Chen, Software Engineering Leader at Cisco
We interviewed Al Chen for year's AI Engineer NYC event. Al is a Software Engineering Leader at...
Source: DEV Community
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A/B testing AI products is weird
Why a Winning A/B Test Isn't Enough to Ship an AI Feature I used to have a simple rule for...
Source: DEV Community
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One Weekend: 3,000 Open-Source AI Projects
Every October for the past twelve years, developers around the world have taken part in...
Source: DEV Community
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ROI That Survives the Second Question
Judgment is the scarce resource in a world where intelligence is becoming a commodity. A business can...
Source: DEV Community
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You Should Know About System One Models
Production AI usually looks like this: stuff context into a prompt, ask a large language model a...
Source: DEV Community
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Your Guide to AI Engineer New York 2026
AI Engineer New York is here! This conference built for Wall Street. Banking, hedge funds, fintech,...
Source: DEV Community
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Banks Are Renting Their Agents. These Two Built One.
Most banks aren't building their own agents. They're renting them. Bank Director's 2026 Technology...
Source: DEV Community
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Does your agent have ID?
Last month, an AI agent in Denmark booked a coffee tasting and paid for it. Danske Bank and...
Source: DEV Community
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Where to Spend Your Week at AI Engineer New York
AI Engineer New York has 137 sessions on the schedule and up to five running at any given moment....
Source: DEV Community
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Welcome to AI Engineer New York
Welcome to New York City. Whether you came from a few blocks away or flew in from the other side of...
Source: DEV Community