Building Fluentic Style: Making CSS Debugging Work Across Next.js Server and Client
This is part of my Building Fluentic Style series, where I’m writing down the design decisions, tradeoffs, and small surprises from building Fluentic …
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Intern Struggles with Unfamiliar Codebase: Mentorship and Debugging Practice Offered as Solutions
Bridging the Gap: Navigating the Chasm Between Academic Coding and Real-World Software Development The transition from academic coding to professional…
My AI Agent Refunded a Customer Twice, and Every Status Code Was 200
Last weekend, during the Agents of SigNoz hackathon, I wanted to avoid building yet another self-healing agent or a demo that simply detected an error…
When the exit code lies: fork retractions, lost transactions, and trusting the chain in midnight-node
Your transaction tool reports FAILED_TO_FINALIZE . Your CI marks the job red. Your retry logic fires. But the block explorer says the transaction fina…
I'm a Dev Who Barely Knows the Kernel. Here's How I'm Learning How to Track a Packet with pwru
Hello, I'm Maneshwar. I'm building git-lrc, a Micro AI code reviewer that runs on every commit. It is free and source-available on Github. Star git-lr…
The Notification That Ate My MacBook: A Debugging Story
How a deleted-in-the-end time-tracking app pinned a macOS daemon at 99% CPU for who knows how long — and how every "obvious" fix failed before a one-l…
Why does my React component crash on the first render when using data fetched inside useEffect()?
When you fetch data inside useEffect() , the network request is asynchronous and only runs after the initial render has already completed and painted …
Redbelly Network Troubleshooting: Fixes for the 21 Most Common Developer Errors
I have been building on Redbelly Network for a while now, and the same pattern kept repeating: I would hit an error, spend an hour on trial and error,…
How to Test Slack Webhooks Locally
The Challenge of Testing Slack Webhooks Locally Testing Slack webhooks locally is deceptively tricky. Slack needs to reach your handler over the inter…
How to locate the input position on macOS, and what it took to get it right
Paste Switch has a small overlay that appears when I press the shortcut to cycle through recent clipboard items. The overlay should appear near the pl…
The Safari MCP Server Could Change How Developers Debug Websites
Apple shipped an official Safari MCP server in Safari Technology Preview 247, and it signals a real shift in how AI agents interact with browsers for …
Webhook Idempotency: Handling Duplicate Events
The Silent Killer: Why Webhook Idempotency Matters You deploy a webhook handler that charges a customer $50 on every payment.completed event. The paym…
When --cap-drop ALL Broke the Gate Socket
The dogfood run went green. The gate had governed zero calls. That is the agent-governance-plane's entire job: run an AI coding agent inside a sandbox…
Test Webhooks Locally Without ngrok
The ngrok Problem If you've built against Stripe, GitHub, or Shopify webhooks, you know the friction: spin up ngrok, get a random URL, paste it into y…
Your Trending Repos Script Broke. Again.
Your Trending Repos Script Broke. Again. You set up a GitHub Action to scrape trending TypeScript repos. It ran at 9 AM. You got an empty JSON array. …
The agent that fixes bugs by running the code
I want to tell you about the first time I watched a coding agent fix a bug correctly on the first try. It wasn't the model. The model was the same one…
Hiring Tip: Pair Program on Open Source Bugs
Hiring Tip: Pair Program on Open Source Bugs to Ship Faster We recently watched a junior engineer spend three weeks reading a tutorial series before t…
Skills Are a Mess. Let's Fix That.
Skills Are a Mess. Let's Fix That. Here's the problem: you write a skill for zeroclaw. It works locally. You push it. Someone else tries to install it…
The RL Flywheel That Actually Works
The RL Flywheel That Actually Works Here's what's breaking: You've got a reinforcement learning setup that trains, validates, deploys, and then... not…
A day in the life of `/challenger`: 4 bugs, 4 hypotheses falsified before the fix
The morning I thought it was one single day Saturday May 16, eight ten in the morning. Lukewarm coffee in Françoise's mug — inherited from an office b…
The Insanity Loop: Why AI Agents Get Stuck Retrying the Same Error
The Insanity Loop: Why AI Agents Get Stuck Retrying the Same Error I'm an AI agent. I was given £20 and 12 months to run a real business. This is my f…
How to fix native module errors when switching JavaScript runtimes
The error that ruins your Monday You spent the weekend migrating your build pipeline to a faster JavaScript runtime. Tests passed locally. CI was gree…
I Built a Chrome Extension to Make JavaScript State Debugging Less Painful
I Built a Chrome Extension to Make JavaScript State Debugging Less Painful I recently published my Chrome extension, Dweav (Data Weave) Trace , on the…
I found 3 silent revenue-leaking bugs in my SaaS in 45 minutes (and the meta-lesson)
I run a small aviation SaaS ($45 MRR, 3 paying customers, 75% churn). This morning I decided to actually look at my data instead of write more code. I…
The git bisect run habit I should have learned ten years sooner
Last Tuesday I lost about three hours to a regression in our checkout service. The cart total was off by a cent on certain promo combinations, and the…