Published: 2025-06-29 | Origin: Hacker News

Researchers at the Fraunhofer Institute in Germany have developed a new security system for detecting ships at seaports using existing cellular towers, leveraging a technology called Passive Coherent Location (PCL). This method utilizes the radio signals emitted by cell towers to identify the location of vessels, much like radar, but with weaker signals that are more challenging to interpret. By analyzing how these signals bounce off objects in the water, the PCL system creates a dynamic map of port traffic. The key challenge is filtering

Published: 2025-06-29 | Origin: Hacker News

The content discusses two main topics: 1. **Mochi Language Development**: An individual is creating Mochi, a small programming language with a custom virtual machine (VM) designed for efficiently querying structured data formats like CSV and JSON. Initially an experiment for LINQ-style queries, it has evolved to include features such as declarative queries, a register-based VM for optimization, an intermediate representation with various analyses, static type inference, and testing support. 2. **Nest Thermostat Support Update**

Published: 2025-06-29 | Origin: /r/programming

The content discusses a custom-built 32-bit CPU emulator named Neptune, developed in Java for educational and experimental purposes. It includes an integrated assembler and assembly language, simulating RAM, ROM, VRAM, stack, heap, and memory-mapped I/O devices. Neptune employs little-endian word addressing and fixed-size instructions, allowing for 32 general-purpose registers and a FLAGS register with four boolean flags. Contributors are encouraged to submit pull requests for enhancements. The project is released under the MIT License or

Published: 2025-06-29 | Origin: /r/programming

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Published: 2025-06-29 | Origin: /r/programming

In software engineering, it is often said that "code is read more than it is written," highlighting the importance of code maintenance over initial creation. As we spend more time fixing bugs and adding features than writing new code, the ability to understand existing code becomes crucial. Code is often skimmed rather than thoroughly read, as developers navigate complex codebases to quickly grasp functionality without recalling every detail. This skimming occurs multiple times for each piece of code read. To facilitate this process, it's essential to write

Published: 2025-06-29 | Origin: /r/programming

Mise is a transformative tool for managing software installation and environment configurations, streamlining processes associated with language-specific version and package managers like asdf and pyenv. It simplifies the installation and use of software while enabling users to manage environment variables and declare task commands. To get started with mise, users are encouraged to install a tool of their choice; it supports a variety of applications. For instance, the author successfully installed the tool "jj" using the command `mise use jj`, which also generated

Published: 2025-06-29 | Origin: /r/programming

A variable is an abstraction in programming that stores data in memory, characterized by two main attributes: the actual value (data) and the type of data it holds (data type). Variables can represent various forms of data, including integers, strings, and more complex structures. They may be stored in CPU registers, during compile time, or primarily in the device's memory (RAM). The primary memory is likened to an extensive array of bytes, with size considerations differing between 32-bit (4 Gi

Published: 2025-06-29 | Origin: /r/programming

Stephane introduces a new weekly series sharing his favorite reads, focusing on building resilient teams and improving engineering management. Key highlights include: 1. **Building Resilient Teams**: Charity discusses that the focus on "10x engineers" is misguided; success comes from effective teams supported by good systems, culture, and leadership rather than individual brilliance. Emphasizes shorter deploy cycles and inclusive practices. 2. **Product-First Engineering**: An article for engineering managers argues against viewing engineers solely as

Published: 2025-06-29 | Origin: Hacker News

Certain malware samples employ various techniques to detect if they are operating within a virtual machine (VM), including checking for hardware components not commonly emulated in virtualization, such as the CPU fan. One method involves looking for the Win32_Fan class in Windows Management Instrumentation (WMI), as malware aims to avoid running in VMs to hinder analysis by security researchers. The article focuses on the CPU fan, elaborating that malware can detect virtual hardware through multiple WMI classes. The computer identifies the

Published: 2025-06-29 | Origin: /r/programming

The author details their research into anti-cheat systems, motivated by a curiosity about tracking updates. They focus on EasyAntiCheat (EAC), noted for its advanced technology used in popular games like Rust and Fortnite. After EAC's acquisition by Epic Games, the update distribution shifted to a new CDN with a different URL structure. The author notes that the downloaded files have high entropy, indicating they are likely encrypted or compressed. While analyzing the data, they observed that the header remains consistent across versions

Published: 2025-06-29 | Origin: /r/programming

The passage discusses the purpose and significance of tests in software development. It emphasizes that tests serve as a means of communication—not just with the computer, but primarily with other programmers, future developers, and oneself. Tests capture the intent behind the software, documenting the problems it aims to solve and the expected behavior under various circumstances. Writing tests helps clarify and organize thoughts about the system's functionality, ensuring that developers understand what they want the software to achieve. The author stresses the importance of clearly describing the required behavior

Published: 2025-06-29 | Origin: /r/programming

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Published: 2025-06-29 | Origin: /r/programming

The article by Hong Minhee discusses the challenge of effectively passing context or "invisible" parameters (such as loggers or HTTP request contexts) through software programs without excessive verbosity. It reviews historical and contemporary methods for addressing this issue, including: 1. **Dynamic Scoping**: Originating in 1960s Lisp, dynamic scoping determines a variable's value based on the call site rather than definition. While simple and powerful, its unpredictability led to its decline in popularity, despite its

Published: 2025-06-29 | Origin: /r/ruby

El texto discute el concepto de Value Objects (VO) en programación, explicando su inmutabilidad y comparación por valor, utilizando ejemplos en C# y Ruby. En C#, se usa la palabra clave `record` para crear un VO inmutable, mientras que en Ruby, aunque se pueden crear clases que imiten este comportamiento, la mutabilidad puede ser un problema debido a la flexibilidad del lenguaje. Se presenta un enfoque para hacer más seguro un VO en Ruby utilizando el método `freeze

Published: 2025-06-29 | Origin: Hacker News

New research from Caltech and UC Berkeley has revealed how zebrafish can regrow and repair their hearts after damage, providing insights that could inform future human heart repair strategies. The study, published in the Proceedings of the National Academy of Sciences, was conducted by Marianne Bronner and Megan Martik, focusing on neural crest cells, which contribute to various cell types in the heart. The researchers discovered that heart cells derived from these neural crest cells play a key role in orchestrating the heart's repair process

Published: 2025-06-28 | Origin: /r/programming

The content discusses a programming trend where people are solving online games, specifically highlighting the UK-based "Passport Application" game created by His Majesty's Passport Office (HMPO). This text-based adventure puzzle game, which can be quite expensive at around £100, is humorously described as a cultural phenomenon among British citizens who play it roughly every decade. The game's objective is to collect various documents to prove British citizenship, adhering to complex bureaucratic rules documented in acts of parliament. Players enjoy a challenge that can

Published: 2025-06-28 | Origin: Hacker News

Rollie Pemberton, known as Cadence Weapon, began his rapping career as a teenager in Edmonton, where the local hip-hop scene was minimal. He developed his skills online by recording verses on his mother's desktop computer, garnering attention for his talent in the music blogosphere. In 2003, while attending university, he began writing album reviews for Pitchfork, which helped him gain recognition. He caught the interest of Toronto's Upper Class Recordings, which offered him a 360

Published: 2025-06-28 | Origin: Hacker News

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Published: 2025-06-28 | Origin: /r/programming

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Published: 2025-06-28 | Origin: /r/programming

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