Published: 2025-01-12 | Origin: /r/programming

The content discusses a surprising finding about Python's hash function, specifically that `hash(-1)` equals `hash(-2)`, which prompts curiosity. The author shares their journey to explore this phenomenon by diving into Python's source code. They suggest ways to access the Python source, beginning with a Google search that leads them to the CPython implementation on GitHub and the Python.org website for downloads. The post encourages readers to locate and understand the relevant code and documentation, using tools like Git to efficiently

Published: 2025-01-12 | Origin: Hacker News

The content discusses the evolution of IP addresses and the ongoing transition from IPv4 to IPv6 as of January 2025. It reflects on predictions made by the IETF in 1992 regarding the growth of connected devices on the Internet and highlights the need for a larger address space, which was the rationale behind the development of IPv6. Despite the rapid growth of the Internet, the deployment of IPv6 has been slow, and there remains no widespread urgency to adopt it, as many still rely on

Published: 2025-01-12 | Origin: /r/programming

The article continues the discussion from the previous piece, which compared parallel execution solutions using Spring Core Reactor and JDK 21. It focuses on a comparative analysis of Virtual Threads introduced in Project Loom for JDK 21 and traditional OS threads, particularly in the context of high-concurrency applications that require low resource overhead. Key points include: 1. **Constraints of OS Threads**: Current applications that need high throughput and low latency face challenges with system resources when using traditional OS threads. 2.

Published: 2025-01-11 | Origin: Hacker News

The "range" of a force refers to the distance over which it can effectively produce significant effects. Long-range forces, like electric, magnetic, and gravitational forces, can influence objects over vast distances, even across rooms or galaxies. In contrast, short-range forces become negligible beyond a certain distance; for example, the weak nuclear force's effects diminish dramatically at distances smaller than an atom, leading to its designation as "weak." A schematic illustration shows how the strength of these forces varies with distance.

Published: 2025-01-11 | Origin: Hacker News

On January 8, 2025, Walter Bright discusses the ongoing improvements to the C programming language, specifically the latest version, C23, which still exhibits unresolved issues. He emphasizes the D programming language community's innovative approach of embedding a C compiler (ImportC) within the D compiler to address these shortcomings using modern compiler technology. Bright notes that compile-time function evaluation (CTFE) should be feasible in C, allowing for the execution of functions at compile time, provided they adhere to certain constraints

Published: 2025-01-11 | Origin: Hacker News

AES Andes, a subsidiary of the US AES Corporation, has proposed a large industrial complex for environmental impact assessment, which could threaten the Paranal Observatory in Chile's Atacama Desert. This location is known for having some of the clearest and darkest skies in the world, essential for astronomical research. The complex would be situated just 5 to 11 kilometers from the observatory, potentially leading to significant light pollution and damage to astronomical observations. The Paranal Observatory, operated by the European Southern Observatory

Published: 2025-01-11 | Origin: /r/programming

Wind is an efficient programming language that offers control over performance, memory, and execution, suitable for both low-level systems and high-performance applications. To get started, users should review code examples, join the Wind community for support and contributions, and consult the Troubleshooting Guide if issues arise. The language was developed by utcq.

Published: 2025-01-11 | Origin: /r/programming

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Published: 2025-01-11 | Origin: /r/programming

Elemap is a TypeScript library designed for creating interactive game maps that utilize HTML elements and CSS for rendering. It allows users to easily populate and extend maps by incorporating custom HTML and JavaScript functions. Elemap is compatible with another library called Tilted, which presents game map content in a modern way. Users can install Elemap via npm or download it from GitHub. The library requires a configuration object to set up map types and grid parameters, as well as a style object for visual customization.

Published: 2025-01-11 | Origin: Hacker News

The article aims to simplify complex concepts surrounding Apple's technology for photo search in the Photos app following criticism of its privacy practices. It explains how Apple uses "embedding vectors," which are numerical representations of images, to enable users to easily search for specific content (e.g., dog pictures) by finding the closest matches based on meaning. These vectors are stored on users' devices for privacy. However, as the image database grows and user preferences become more specific (like wanting pictures of golden retrievers), it becomes

Published: 2025-01-11 | Origin: /r/programming

StackOverflow, once a primary resource for developers seeking coding assistance, is experiencing a significant decline in activity, with new questions dropping by 75% since their peak in 2017 and down 60% year-on-year by December 2024. This data comes from the StackExchange Data Explorer, which tracks statistics on the platform. Developer Theodore Smith, a former top contributor, suggested that StackOverflow might have less than a year left, attributing the decline primarily to the rise of AI tools like

Published: 2025-01-11 | Origin: Hacker News

In January 2025, the author shares a personal story about a remarkable find: a pair of discarded Marshall Uxbridge Voice speakers. Intrigued by their pristine condition, the author investigates possible issues with them. After discovering they were in setup mode, the author bypasses the setup process and connects them to a Linux desktop as Bluetooth speakers. Impressed by their sound quality, particularly the punchy low end and crisp high end, the author reflects on the speakers' performance, deeming the

Published: 2025-01-11 | Origin: /r/programming

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Published: 2025-01-11 | Origin: /r/programming

The author reflects on their journey as a coder, particularly their experiences with BASIC, a programming language created in the 1960s that was designed for ease of use. They assert that BASIC was widely popular in the late 70s and early 80s, largely due to its accessibility for non-programmers, similar to how Python is viewed today. The author recalls their introduction to programming through the Commodore 64, which booted into BASIC, allowing users to unknowingly become programmers. They

Published: 2025-01-11 | Origin: Hacker News

The content discusses the use of OpenHaystack and Macless-Haystack for tracking personal Bluetooth devices via Apple's "Find My" network without the need for Apple hardware. It highlights the Go Haystack package, which utilizes tools written in Go/TinyGo and provides firmware for compatible devices, including Raspberry Pi and other embedded systems. The contents also mention TinyScan, a scanner for local devices that runs on various microcontroller boards, and provide instructions for setting up the service, including the necessity of an

Published: 2025-01-11 | Origin: /r/ruby

The article discusses the effectiveness of the Arrange-Act-Assert (AAA) pattern in structuring tests, particularly within the RSpec framework for Ruby. It emphasizes the importance of writing clear, understandable tests that benefit both the developer and the maintainers. Automated tests provide rapid feedback and serve as documentation of the system's behavior. To maximize these benefits, tests should be brief, explicit, and predictable. The AAA pattern enhances test structure, making them easier to read and modify. Although RSpec uses different

Published: 2025-01-11 | Origin: /r/programming

The content emphasizes the commitment to fostering a diverse research environment focused on various research types, time scales, and risk levels. Researchers contribute to advancements in computer science through both fundamental and applied research and often open-source their projects, promoting collaboration with the broader research community. They make tools, products, and datasets accessible to encourage a more cooperative ecosystem and actively support emerging researchers through programming initiatives. Engaging with academic institutions and participating in events is highlighted as vital for progress in their work. The post by Joshua Blo

Published: 2025-01-11 | Origin: Hacker News

Hyundai has launched its most affordable electric vehicle (EV), the Inster EV, in Japan, starting at $18,000 (2,849,000 yen). This makes it cheaper than competitors like BYD’s Dolphin, which starts at around $24,500. The Inster, also known as the Casper Electric in Korea, is Hyundai’s fourth EV and has already seen success in its home market. It offers two battery options (42 or 49 kWh) and a driving range

Published: 2025-01-11 | Origin: /r/programming

As software applications experience increasing data, they may encounter limitations in memory, storage, or network capacity, affecting system performance and availability. To address these issues, data can be moved to larger machines (monolith) or distributed into smaller segments across multiple machines (sharding). The objective of sharding is to prevent resource constraints that could hinder data operations. However, once data is sharded, challenges such as the thundering herd problem or co-location of high throughput accounts can arise, leading to "

Published: 2025-01-10 | Origin: /r/programming

The concept of the "Makefile effect" describes a tendency among engineers to copy and modify existing code or configurations instead of creating something new from scratch. This behavior is often seen with complex tools, like Make, where users prefer to tweak known-good examples to minimize errors and simplify the problem-solving process. While this approach is efficient in the short term, it indicates a flaw in the tool's design, suggesting it is overly complicated or cumbersome to use directly. The Makefile effect highlights several issues with tool