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Why I Stopped Using JSON Tool-Calling for My Coding Agent

A few months ago I needed an agentic coding assistant inside a internal CI repair tool I was building. The obvious move was to embed something that already exists β€” Claude Code, or Google's Antigravity SDK. Both work well. Neither one gets you what you actually need once you're shipping a product on top of it. Claude Code isn't embeddable as infrastructure. You can shell out to it, but you don't own the runtime, the protocol, or the failure modes. Antigravity gets you closer, it's an SDK you ...
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Building a social app around verdicts instead of likes

I’m currently building Callout, a social debate app based on a simple question: what happens when opinions receive meaningful verdicts instead of generic likes? Every opinion can be judged as Based or a Hot Take . The aim is to make reactions more expressive while keeping the interaction quick. The interesting development challenge is balancing simplicity with enough personality to make people want to participate. I’m sharing the project as I build it and would appreciate feedback fr...
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I Accidentally Deleted Our Production S3 Bucket β€” Here's What Happened in the Next 4 Hours

I Accidentally Deleted Our Production S3 Bucket β€” Here's What Happened in the Next 4 Hours The command ran in under a second. The recovery took 4 hours. Here's the full story, what we lost, what we saved, and what we now have in place so it can never happen again. There's a moment every cloud engineer dreads. The cursor blinks. The command runs. And then a silence that feels different from normal silence. aws s3 rb s3://my-app-production-uploads --force I was...
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Teaching a local coding agent from its own mistakes: DPO on a 30B model

The WUIC Assistant is our agentic VS Code plugin: it scaffolds Angular components, dashboards, reports, workflows, and metadata patches for apps built on the WUIC framework. Under the hood it runs qwen3-coder:30b β€” a Mixture-of-Experts model with ~3B active parameters β€” served locally through Ollama on a single RTX 4090. No API calls, no data leaving the machine. For weeks the plugin had been sitting at 100% on its curriculum : 32 tasks, five green runs each, a 96/96 regression suite. ...
Building Needflare: An Autonomous Disaster Intelligence & Logistics Agent with Gemini 3.7, Gemma 4 & Google Veo
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Building Needflare: An Autonomous Disaster Intelligence & Logistics Agent with Gemini 3.7, Gemma 4 & Google Veo

This article was created for the purposes of entering the Google Cloud: All Things Agentic Hackathon. In catastrophic natural disasters like flash floods, hurricanes, and earthquakes, cellular networks collapse and emergency dispatchers are overwhelmed with thousands of fragmented, panic-driven field messages. Volunteers trying to coordinate over open radio frequencies or mesh airwaves risk leaking sensitive Personally Identifiable Information (PII) such as phone numbers, names, and vulnerab...
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Free AWS Certification for Students: The Complete Step-by-Step Guide

πŸ‘‹ Hey there! I'm Sarvar , a Cloud Architect who spends most days building on AWS and Azure, and the rest writing about it. Last year I wrote a guide on getting a free AWS certification voucher. Around 85,000 of you read it. You can still see it here: Unlocking Free AWS Certifications: Your Step-by-Step Guide . Then AWS closed that program (the old AWS Educate ETC route), and for the next year my comment section became a support desk. The same questions came up again and again: "my voucher got ...
I Turned GitHub Contribution Graphs into an Animated Minecraft Tree 🌳
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I Turned GitHub Contribution Graphs into an Animated Minecraft Tree 🌳

I made gh-tree β€” a GitHub Action that turns your GitHub activity into an animated Minecraft tree. How it works Fetches Your Stats : Uses GitHub's GraphQL API to pull your recent commits, pull requests, and PR reviews. Generates Pixel Art : Dynamically maps stats to 14 leaf blocks, flowers, and apples rendered via WebAssembly ( resvg-wasm ). Auto-Commits : Builds a transparent animated GIF and updates your README.md daily. πŸƒ Leaves = Weekly commits (drives fo...
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Wow, We Gained 10+ Users πŸ˜‚ β€” So I Kept Updating Rizzzler

A little while ago, I wrote about launching Rizzzler, my open-source project. At that point, 7 users had signed up in my another post Now? We're at 11 users. πŸŽ‰ Okay, technically that's only 4 more users... But still β€” 10+ users! πŸ˜‚ For a small project built and deployed with basically no marketing budget, I'm honestly pretty happy about it. But the more interesting part isn't the number. It's what happened after people started giving feedback. Instead of just adding r...
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Score Your Free AI Code Reviewer Before You Trust It: A Server-Side Experiment

Free AI models are great for code review until you realize they disagree with themselves. Last week I ran a small experiment on MonkeyCode's free models using their free server, and the results changed how I use AI in my daily workflow. The short version: you can rely on free AI code review, but only after you score its output for consistency and correctness. Disclosure: This article was prepared as part of MonkeyCode's product outreach. Why I Stopped Asking Which Model Is Best? ...
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Forgotten Python Framework #1: Bottle

In an era where bootstrapping a basic web application often requires downloading a huge framework or navigating complex dependency trees, there's a quiet, radical alternative in the Python ecosystem. Bottle. Many new Python developers probably haven't heard of it. And some might think the framework must be forgotten by now. Well! No. Bottle is a fast, simple, and lightweight WSGI micro web framework for Python. It was developed by Marcel Hellkamp, aka defnull, and released in 2009. He buil...
HackerNews

uv: Deduplicate all files in the wheel cache

Article URL: https://github.com/astral-sh/uv/pull/21327 Comments URL: https://news.ycombinator.com/item?id=49506142 Points: 66 # Comments: 11
HackerNews

Breaking Claude Code Opus 5 Auto Mode

Article URL: https://embracethered.com/blog/posts/2026/breaking-claude-code-opus-5-and-automode/ Comments URL: https://news.ycombinator.com/item?id=49506819 Points: 109 # Comments: 27
HackerNews

OpenShot 4.0: Record, Edit, and Color Like Never Before

Article URL: https://www.openshot.org/blog/2026/08/30/openshot-40-record-edit-color-like-never-before/ Comments URL: https://news.ycombinator.com/item?id=49507822 Points: 120 # Comments: 30
HackerNews

A CVE Dispute

Article URL: https://daniel.haxx.se/blog/2026/06/24/a-cve-dispute/ Comments URL: https://news.ycombinator.com/item?id=49508290 Points: 26 # Comments: 0
HackerNews

Agent Memory as a File Format

Article URL: https://calpaterson.com/memoryfields.html Comments URL: https://news.ycombinator.com/item?id=49508317 Points: 3 # Comments: 0
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Consistent Hashing: Distributing Load Without a Full Reshuffle

Consistent Hashing: Distributing Load Without a Full Reshuffle Naive hashing ( hash(key) % N ) works fine until you add or remove a node β€” then N changes and almost every key maps to a different server. For a distributed cache or shard, that means a near-total cache miss storm or a mass data migration, right when you can least afford it. Consistent hashing fixes this by mapping both nodes and keys onto the same ring, so a topology change only remaps the keys between the changed node and i...
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Revision-Secure Creation of Solution Architecture Documents (S-AD)

Enterprise Architecture with Asciidoc, GitHub, and Confluence for PDF Storage In today’s highly digitalized world, documentation in enterprise architecture (EA) is indispensable. It ensures that complex architectures are understandable and traceable while meeting legal and internal requirements for compliance. Particularly in regulated industries such as finance, healthcare, or the public sector, adherence to these requirements in documentation is crucial. A solution that has proven to ...
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AWS & SRE Field Manual (Part 3): Amazon EC2 Architecture, Hardware Strategy & Modern Autoscaling

1. TL;DR & Problem Statement Definition: A core cloud compute service providing resizable, secure, and on-demand virtual machines (instances) with customizable hardware architectures, CPU/memory ratios, and operating systems. Problem Solved: Eliminates physical server procurement lead times (weeks to months), datacenter maintenance overhead, and capacity planning risks by enabling instant provisioning of scalable infrastructure for containerized workloads, databases, and applic...
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The Story of My Failed Design System

Originally published at https://blog.joonquixote.com/en/posts/the-story-of-my-failed-design-system/ . There are plenty of articles about design systems. Many organizations have shared stories about adopting them in practice, and there is no shortage of conference talks and articles about designing tokens. What is harder to find are stories about design systems that were built but never made it any further. I looked for examples like that while working on one myself, but found very fe...
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πŸš€ The Browser Is Becoming a Compute Platform: How Edge AI, WebGPU, and WASM Are Reshaping Modern Architecture

The Browser Is Becoming a Compute Platform: How Edge AI and High-Performance Web Architectures Are Reshaping the Modern Web For most of the web's history, browsers were presentation layers. They rendered HTML, executed lightweight JavaScript, and delegated computationally expensive tasks to backend infrastructure. That assumption is rapidly becoming obsolete. Modern web applications now perform workloads that would have been considered impossible inside a browser only a few years ag...
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A Green Suite Can Still Lie: Mutation-Test Your Fixtures Before You Trust an Agent Patch

An agent patch can pass every fixture in your repository and still be wrong. The fixtures are part of the oracle, and fixtures can be lazy. If the expected value in a fixture never changes, the suite can approve code that breaks exactly the case the fixture forgot. This is a three-phase probe for evaluating agent-generated patches. Phase 1 runs property checks before anything else. Phase 2 mutates fixtures to prove they can fail. Phase 3 freezes flaky tests only after the first two phases pas...
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The network debugging checklist I wish someone gave me earlier

"It's probably a network issue" is the phrase that ends more productive debugging sessions than it should, usually because nobody has a systematic way to actually confirm or rule that out, so it becomes a shrug instead of a diagnosis. Here's the checklist I actually run through, roughly in order, when something's acting weird and the network is a suspect. Confirm it's actually the network before you go further. Before diving into network-specific tools, rule out the obvious alternative: is ...