HackerNews Summary (2023-06-06 01AM)

Source: Chris’s Wiki :: blog

Summary
The Linux kernel is now adding an empty string as argv[0] when it detects execve(2) with a NULL or zero-length argv argument, due to a change made in early 2022. This change was made in response to a security vulnerability (CVE-2021-4034).

Facts

🔍 The Linux kernel has logged a kernel message stating that it detected an execve(2) with NULL or zero-length argv.

👨‍💻 This change was made to address CVE-2021-4034, a security vulnerability.

🆕 The change that is adding an empty string as argv[0] was made in early 2022.

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Source: Passkeys Overview

Summary
Passkeys replace passwords with cryptographic key pairs, improving security. They’re strong, safe from server leaks and phishing, and end-to-end encrypted.

Fact

🔑 Passkeys are never guessable, reused, or weak.

🔒 Servers only keep public keys, making them less valuable targets for hackers.

🎣 Passkeys are linked with the app or website they were created for, protecting against phishing attacks.

🔐 Passkeys in iCloud Keychain are end-to-end encrypted, so even Apple can’t read them.

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Source: Teardown & review of a new 386 system: Hand386

Summary
Hand386 is a new palmtop based on an Intel 386SX-40 CPU with 8MiB RAM and a preinstalled Windows 95 on a 2GB Compactflash card. It comes with a whole host of useful accessories including a VGA breakout board, 2A USB charger, and USB to barrel plug charge cable.

Facts

💻 Based on Intel 386SX-40 CPU

📏 Compact at 128 x 150 x 16mm

🗝️ Comes with useful accessories including a VGA breakout board, 2A USB charger, and USB to barrel plug charge cable

🔍 Struggles to run later DOS games as the 386SX-class CPU is based on a 16-bit data bus and supports only up to 16MiB of RAM

👍 Has virtual 8086 mode allowing 16-bit real mode programs to run in a protected mode environment

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Source: ML & Vision – Topics – WWDC23

Summary
Learn how to detect the individual joints and poses of animals in images in real-time using Vision. Discover how to enable exciting features like animal tracking for a camera app or creative embellishments on animal photos, among others.

Facts

🦁 Detect animal poses and joints in real-time.

📷 Enable exciting features like animal tracking for a camera app and creative embellishments on animal photos.

🤖 Explore other essential enhancements to the Vision framework.

👍 Discover best practices for using Vision.

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Source: Getaway Pad 540 sq. ft. 1 Bed and Roof Deck Tiny Home Steel Frame Building Kit ADU Cabin Guest house GPRD540

Summary
PLUS 1 Homes offers steel frame building kits for accessory dwelling units. The kits are durable, environmentally friendly, and cost-efficient. They come with pre-assembled panels and all necessary components, allowing for personalization and customization.

Fact

🏠 The model is designed for a concrete slab with the deck and flooring system as an optional upgrade.

👷‍♂️ The Home Depot provides pre-lim plans that require local authority approval and any corrections before purchase. Plus 1 Homes can customize the plans to meet local requirements.

🌱 The steel frame is environmentally friendly, sustainable, and recyclable. It’s not affected by termites, mold, rodents, or bugs, making it durable and high quality.

💰 With its pre-assembled steel panels, the building process is cost and time-efficient. The kits comply with building codes and zoning requirements and are designed to withstand harsh climates.

🎨 The kits come with a take-off list and all necessary components for assembly, providing complete freedom for personalization to match the client’s style and budget.

📝 Purchase includes delivery, preliminary architectural plans, framing calculations certified by a professional engineer, stamped engineering plans, pre-assembled numbered panels and fittings, and assembling instructions.

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