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DEV Community • 2026-07-31 03:36

Mastering Claude Code Configs: `CLAUDE.md` vs `.claude/rules/`

When configuring Claude Code (or Claude-driven AI coding assistants) in your projects, structuring your instructions efficiently is key to getting accurate code generation while keeping token consumption low. Understanding when to use a single CLAUDE.md versus modular .claude/rules/ files will help keep your AI assistant sharp, focused, and predictable. The Core Hierarchy & Scop...

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Hacker News: Front Page • 2026-07-31 03:32

The bond market isn't buying what Fed Chair Warsh is selling

Article URL: https://www.reuters.com/commentary/reuters-open-interest/bond-market-isnt-buying-what-fed-chair-warsh-is-selling-2026-07-30/ Comments URL: https://news.ycombinator.com/item?id=49118696 Points: 27 # Comments: 0

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Hacker News: Front Page • 2026-07-31 03:27

A California aquifer may have crossed the point of no return

Article URL: https://www.science.org/content/article/california-aquifer-may-have-crossed-point-no-return Comments URL: https://news.ycombinator.com/item?id=49118663 Points: 9 # Comments: 1

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Experienced Devs • 2026-07-31 03:25

Why do operations/support teams think AI will impact developers more than them?

I’ve noticed an interesting trend in my organization. Teams such as support, cloud operations, platform operations, configuration, and other non-development functions often feel that AI tools will affect developers the most because developers write more code. At the same time, many of these teams are paid as much as or even more than some development teams, despite doing relatively little coding. ...

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Lobsters • 2026-07-31 03:25

Correlated RNG

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DEV Community • 2026-07-31 03:23

How a Baseten Engineer Traced 7 Years of Attention Mechanism Evolution -- From GPT-2 to Kimi K3, in Runable PyTorch

Last week, a Baseten inference engineer who goes by @waterloo_intern published a technical blog post titled "22,580: From GPT-2 to Kimi K3, Explained." It hit 2.4 million views in days. He didn't write a press release. He wrote runnable PyTorch code — starting from GPT-2's attention block, stepping through every architectural change, explaining one problem and one cost per iteration. It's the bes...

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DEV Community • 2026-07-31 03:20

Why NVIDIA Open-Sourced Its Linux GPU Kernel Modules

The biggest reason NVIDIA began providing GPL-licensed kernel modules is that its driver architecture evolved to the point where Linux integration, distribution, and maintenance could be greatly simplified while keeping the GPU's critical intellectual property in firmware and user-space components. To be precise, NVIDIA did not open-source its entire driver stack. The components that became open ...

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DEV Community • 2026-07-31 03:20

Stop Guessing If Your Agents Are Actually Learning From Their Mistakes

Watching an autonomous agent run through a loop of tasks is like watching a black box try to solve a puzzle in another room. You can see the final result, but the middle part—the reasoning, the failures, and that pivotal moment where it realizes its plan was garbage—is buried in thousands of lines of unstructured logs. If you've ever deployed an agentic workflow only to check back an hour later a...

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DEV Community • 2026-07-31 03:19

Audit, Observability & Lineage for Enterprise AI Agents

The Observability Black Box As autonomous AI agents evolve from isolated chat assistants into multi-agent systems executing multi-step business logic across databases, APIs, and microservices, enterprise platform teams face an acute operational challenge: black-box opacity. When an autonomous agent fails, hallucinates, or executes an out-of-bounds API call, traditional Application Perf...

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DEV Community • 2026-07-31 03:17

JavaScript vs React: What's the Difference?

JavaScript vs React: Understanding How They Work Together If you're starting web development, you've probably heard about JavaScript and React. Many beginners think they are competitors, but they actually work together. Let's understand them in simple terms. What is JavaScript? JavaScript is a programming language used to make websites interactive. Without JavaScript, a webs...

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Product Hunt — The best new products, every day • 2026-07-31 03:17

MiniMax H3

Unified video generation for motion design and branding Discussion | Link

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DEV Community • 2026-07-31 03:15

STAC4749: Chaos Ransomware in Under 17 Hours via Teams IT Support Scam

STAC4749: Chaos Ransomware in Under 17 Hours via Teams IT Support Scam 1. Basic Information Article Name: Chaos in Teams vishing Publisher: Sophos Publication Date: 2026-07-28 (Detailed report by target site BleepingComputer on 2026-07-30) Original Source: https://www.sophos.com/en-us/blog/chaos-in-teams-vishing Related Source: https://www.bleepingcomputer.com/news/sec...

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DEV Community • 2026-07-31 03:15

GTIG: 2026 OSS Supply Chain Compromise, Credential Theft, and Self-Propagation

GTIG: 2026 OSS Supply Chain Compromise, Credential Theft, and Self-Propagation 1. Basic Information Article Title: Batten Down Your Packages: Mitigation Guidance for Supply Chain Compromise Publisher: Google Threat Intelligence Group / Mandiant Publication Date: 2026-07-30 Original URL: https://cloud.google.com/blog/topics/threat-intelligence/mitigation-guidance-for-supp...

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DEV Community • 2026-07-31 03:14

TA488 OWAReaper: A "Half-Click" Attack that Adds Persistence Inside OWA Just by Opening an Email

TA488 OWAReaper: A "Half-Click" Attack that Adds Persistence Inside OWA Just by Opening an Email 1. Basic Information Article Name: Cleaning Out Inboxes: TA488 Comes for Outlook with Another Half-Click Exploit Publisher: Proofpoint Threat Insight Publication Date: 2026-07-29 Original Source: https://www.proofpoint.com/us/blog/threat-insight/cleaning-out-inboxes-ta488-com...

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DEV Community • 2026-07-31 03:14

KindaRails2Shell (CVE-2026-66066): Arbitrary File Read and RCE via Active Storage Uploads

KindaRails2Shell (CVE-2026-66066): Arbitrary File Read and RCE via Active Storage Uploads 1. Basic Information Article Title: Alert on Vulnerability in Ruby on Rails Active Storage Leading to Remote Code Execution Publisher: JPCERT/CC Publication & Update Date: 2026-07-30 Original Article: https://www.jpcert.or.jp/at/2026/at260021.html Related Sources: https://gith...

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DEV Community • 2026-07-31 03:14

RufRoot (CVE-2026-59726): Full Compromise of AI Agent Infrastructure via Unauthenticated MCP Bridge

RufRoot (CVE-2026-59726): Full Compromise of AI Agent Infrastructure via Unauthenticated MCP Bridge 1. Basic Information Article Title: RufRoot: The MCP Bridge Vulnerability That Turns Agents Into Rogue Admins Source: Noma Labs (Reported by SecurityWeek on 2026-07-30) Publication Date: 2026-07-29 Original Article: https://noma.security/blog/rufroot-the-mcp-bridge-vulnera...

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DEV Community • 2026-07-31 03:09

Russ Cox — คนที่ทำให้ Go เป็น ecosystem ไม่ใช่แค่ภาษา

📅 กรกฎาคม 2026 ⚠️ อ้างอิงจากแหล่งปฐมภูมิ ตรวจสอบแล้ว — แต่เช็คข้อมูลล่าสุดก่อนแชร์ ถ้า Pike, Thompson, และ Griesemer คือคนสร้าง Go Russ Cox คือคนที่ทำให้ Go โตจากภาษาใน Google เป็น ecosystem ที่คนทั้งโลกใช้ เขาเป็นคนเขียน gofmt คนออกแบบ Go modules คนคิด Minimal Version Selection algorithm คนเขียน compatibility promise และปัจจุบันเป็น Go tech lead — คนที่ตัดสินใจว่า Go จะไปทางไหนต่อ ทุกครั้...

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DEV Community • 2026-07-31 03:06

Robert Griesemer — ศิษย์ของ Wirth ผู้เขียน spec ให้ Go และทำให้ generics เป็นจริง

📅 กรกฎาคม 2026 ⚠️ ตรวจสอบข้อมูล ณ วันที่เขียน — API และเวอร์ชันอาจเปลี่ยนแปลงภายหลัง เวลาพูดถึงคนสร้าง Go ทุกคนรู้จัก Rob Pike กับ Ken Thompson แต่คนที่สามบน whiteboard วันนั้น คนที่เขียน Go specification คนที่ออกแบบ type inference algorithm ให้ Go คนที่ผลักดัน generics ตั้งแต่ proposal จนถึง implementation เขาไม่ใช่คนที่คุณเห็นบนเวทีบ่อย ๆ ไม่มี Twitter ไม่ใช่หน้าเป็นข่าว Robert Grieseme...

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DEV Community • 2026-07-31 03:05

Building a Morse Decoder Pipeline: When Online Tools Fit and When You Need Code

If you handle amateur radio logs, CTF challenges, accessibility features, or historical document transcription, you eventually hit the same wall: you need to convert text to Morse and Morse back to text, fast, without rewriting the timing rules every time. I have shipped Morse handling in three different projects — a logging tool for a radio club, a puzzle generator for an escape-room operator, an...

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DEV Community • 2026-07-31 02:59

Building an Open Source SDK for MTN Mobile Money (React Native/TypeScript)

Mobile money is the dominant way people pay for things across most of Africa. In Rwanda alone, MTN Mobile Money (MoMo) has over 3 million active users, and it’s the first payment method most local businesses reach for, not cards, not bank transfers. MTN opened up their MoMo API to third-party developers a few years ago, and since then a handful of server-side wrappers have popped up (Node, PHP, Py...

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