Hacker News: Front Page • 2026-08-03 06:17

Situational Awareness and the Impending Stock Market Volatility

Article URL: https://www.emergingtrajectories.com/lh/situational-awareness-bigger-picture/ Comments URL: https://news.ycombinator.com/item?id=49151871 Points: 5 # Comments: 3

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1m read
Using the New Copilot Studio Skills
DEV Community • 2026-08-03 06:15

Using the New Copilot Studio Skills

One thing Microsoft is not good at is naming things, and sadly it's happened again. But let's go back to the beginning: what are Skills? Skills are targeted prompts/context that are modular, so they are not always included in the LLM session. They are Markdown files with selected metadata in YAML, all in a file normally named skill.md (the parent folder and YAML metadata identify it). They wer...

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7m read
DEV Community • 2026-08-03 06:13

Awesome Lists for Devs Who Just Shipped and Now Need Users

Marketers love a good list. Top 10 tools, 5 hacks, 7 habits — it's basically our love language. So it should surprise no one that GitHub, the home of programmers and their endless "awesome" repositories, has quietly become one of the best-kept libraries for marketing resources too. If you've never wandered into GitHub's "awesome list" ecosystem, here's the idea: someone starts a repo named awesom...

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4m read
DEV Community • 2026-08-03 06:13

Building DevSpot Kenya: A Lightweight Tech Event Aggregator in Go

If you have ever tried keeping up with tech meetups, developer workshops, and hackathons across Kenya, you know how scattered the information can be. Announcements are often buried across various social platforms, making it tough to stay in the loop. To solve this, I built DevSpot Kenya—a lightweight platform designed to aggregate local technology events into a single, centralized hub. The Tech ...

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1m read
DEV Community • 2026-08-03 06:08

Building a Zero-API-Key Real-Time Market Data Proxy

Building a Zero-API-Key Real-Time Market Data Proxy A one-screen market dashboard that pulls live quotes for A-shares, HK, US stocks, commodities, crypto and treasury yields — without a single paid API key. The problem: market data APIs are expensive When I started Market Research Cockpit, I priced out the usual suspects: Polygon.io — $29/mo for real-time US stocks Finnh...

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5m read
DEV Community • 2026-08-03 06:08

How to Improve Website Performance Without Sacrificing Design

There's a myth floating around every design review and dev standup: that you have to choose between a beautiful website and a fast one. Product wants the parallax hero. Design wants the custom typeface and the smooth scroll animations. Engineering wants a green Lighthouse score. Everyone assumes someone has to lose. They don't. In almost every case where I've seen "performance vs. design" framed ...

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9m read
DEV Community • 2026-08-03 06:01

React Mastery Series – Day 22: State Management with Redux Toolkit – Building Enterprise React Applications

Welcome back to the React Mastery Series! In the previous article, we explored TypeScript with React and learned how static typing improves code quality, developer productivity, and application reliability. Today, we're diving into one of the most requested topics in React interviews and one of the most widely used state management solutions in enterprise applications: Redux Toolkit (R...

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6m read
DEV Community • 2026-08-03 06:00

Building a Micro AI Code Reviewer in Rust: Lessons from 'ratatop' with Unsafe and System Metrics

Originally published on tamiz.pro. In the world of CI/CD, AI-powered code review tools are becoming ubiquitous. However, most of these solutions are heavyweight Python or Node.js services that introduce significant latency into the pull request workflow. They often suffer from cold starts, high memory footprints, and non-deterministic execution times. This deep dive explores the architecture an...

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8m read
DEV Community • 2026-08-03 06:00

Your Ops Agent’s Chat History Is an Attack Surface: Prompt Injection Just Became an Infrastructure Problem

There's a line going around dev.to this week that stuck with me: your AI agent's chat history is user input. It's a security observation about chatbots. But if you've given an agent cloud credentials — and half the "I let an agent run my ops" posts on here have — that line stops being about chatbots and becomes the scariest sentence in your architecture. Here's the uncomfortable version: when an ...

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5m read
DEV Community • 2026-08-03 06:00

GPT-5.6 Luna Just Cut Prices 80% Your AI Bill Is Still Going Up, and Here’s the Math

This week in the AI price war: OpenAI cut GPT-5.6 Luna pricing by 80% and GPT-5.6 Terra by 20%. Claude Opus 5 landed on Amazon Bedrock holding at $5 in / $25 out per million tokens with a 1M context window. Every headline says the same thing: intelligence is getting cheaper, fast. So why does every engineering team I talk to report the same thing — the AI line on the cloud bill went up again this...

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4m read
Hacker News: Front Page • 2026-08-03 06:00

More German than many Germans

Article URL: https://mertbulan.com/more-german-than-many-germans/ Comments URL: https://news.ycombinator.com/item?id=49151734 Points: 5 # Comments: 0

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1m read
DEV Community • 2026-08-03 06:00

Gemini Robotics 2 place le cerveau des humanoïdes chez Google

L'essentiel Google DeepMind a lancé le 30 juillet Gemini Robotics 2, une famille de trois modèles capables de piloter un humanoïde entier, des pieds aux doigts. L'architecture sépare le raisonnement (Gemini Robotics ER 2) de l'exécution motrice, la première couche commandant la seconde comme un outil. ER 2 est ouvert aux développeurs via l'API Gemini et Google AI Studio ; les modèles de co...

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5m read
DEV Community • 2026-08-03 06:00

Microsoft confie 90 % de sa chasse aux failles à un mini-modèle

L'essentiel Microsoft a présenté le 27 juillet MAI-Cyber-1-Flash, un modèle compact dérivé de son modèle de raisonnement maison MAI-Thinking-1 et taillé pour repérer des vulnérabilités logicielles. Associé à GPT-5.4 dans le harnais multi-agents MDASH, il atteint 95,95 % sur le benchmark CyberGym contre 88,45 % en mai, absorbe jusqu'à 90 % des tâches de sécurité courantes et divise par deux l...

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6m read
DEV Community • 2026-08-03 06:00

I Gave an AI Agent One Prompt Cut Our Cloud Bill 20% Without Breaking Anything Here’s What It Did

After my cloud-ops-for-a-week experiment, several people in the comments asked the obvious next question: what happens if you point an agent at the bill instead of the ops queue? So I ran it. One agent, read access to our AWS and GCP accounts plus billing data, MCP tools for querying resources and metrics, and exactly one prompt: "Cut our cloud bill by 20% without breaking anything. Show me you...

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4m read
DEV Community • 2026-08-03 05:59

AI agents should not just write code

They should be able to use the application they changed. That sounds obvious, but most coding agent workflows still stop at editing files, running tests, maybe starting a dev server, and reporting back. For web apps, that is not enough. A human developer does not only inspect diffs. They open the app. They click through the flow. They notice when the wrong tab is open, when a button does nothing...

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2m read
DEV Community • 2026-08-03 05:59

3 Simple Go Habits That Will Save You Hours of Debugging

We have all been there. You look at a Go function you wrote just two weeks ago, and it looks like a complete mystery. Writing code that compiles is easy. Writing Go code that is readable, maintainable, and easy to debug is the real superpower.The Go philosophy values simplicity and clarity over cleverness. You do not need to master complex architecture to write better code today. Here are three si...

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2m read
Hacker News • 2026-08-03 05:55

Show HN: MPEdb a drop in replacement for SQLite3 with concurrency support

Comments

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1m read
DEV Community • 2026-08-03 05:51

99.4% Accurate but still completely useless?

Why accuracy alone can fool you on imbalanced datasets. Somewhere, an ML model is proudly reporting 99.4% accuracy. The dashboard is green. The stakeholders are smiling. Someone is probably preparing the report. Then a dangerous question appears: “How much fraud did the model actually catch?” The answer: zero 😟 Welcome to the accuracy trap. Watch the full video: Meet the w...

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2m read
DEV Community • 2026-08-03 05:35

Staj Günlükleri #2: Mühendislikte Proje Yönetimi, Agile/Scrum ve Kurumsal Süreçler

Herkese selam! 👋 Eprom Elektronik bünyesindeki gömülü sistemler stajımın 2. haftasını tamamladım. Bu hafta doğrudan donanım üzerinde çalışmak yerine, mühendislik projelerinin arka planında yürütülen proje yönetimi metodolojileri, kurumsal dokümantasyon, depo/operasyon süreçleri ve şirket içi yazılım sistemleri üzerine odaklandım. Bir mühendis adayı olarak projenin sadece kod/donanım kısmını deği...

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2m read
DEV Community • 2026-08-03 05:24

The MCP 2026-07-28 spec is final - check your server in one command!

The Model Context Protocol's 2026-07-28 revision went final on July 28. It's a meaningful one: the lifecycle moves to stateless requests. If you maintain an MCP server, the two questions are: is my server still well-built, and is it ready for the new spec? mcpscore answers both in one command: uvx mcpscore https://your-server.example/mcp No install, no API key. In a few seconds you get a...

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2m read
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