Published: 2025-02-18 | Origin: /r/programming

The Microsoft Edge Developer VMs were provided by Microsoft for testing websites on various versions of Edge or Internet Explorer, featuring a pre-configured Windows environment. Recently, a user discovered they could execute any code on the VirtualBox Windows 10 version of this VM by hosting a specific DNS name. The VMs were popular for reverse engineering tasks and contained a peculiar process: ruby.exe running as SYSTEM, linked to Puppet, a configuration management tool. After downloading the VM again from archive.org, the same process

Published: 2025-02-18 | Origin: Hacker News

Type systems are essential for modeling different choices in programming, particularly in the context of library development versus end-user applications. While developers can freely choose their approach for personal projects, library authors must prioritize API stability and forward compatibility. An illustration of this is the Option type in Rust, which is a closed universe that can only be Some or None, allowing for simple and predictable usage. However, this approach restricts future expansion and can lead to API breakage if new values are needed. In scenarios where the

Published: 2025-02-18 | Origin: /r/programming

The article discusses the author's experience in developing a torrent application in C, focusing on the download and verification process of torrent files. The application reads pieces of a download from disk, computes the SHA1 hash for each piece, and checks against expected hashes from the corresponding .torrent file. Initially, the downloaded file is empty, but some pieces may have the correct hash if they consist of zeroes. The author prefers a complete verification process at startup to eliminate potential synchronization issues that can arise from not using a

Published: 2025-02-18 | Origin: /r/ruby

On February 17, 2025, Vladut Cosmin and Lucian Ghinda provided a roundup of recent updates related to Ruby and its community. Key highlights include: - Joel Drapper announced the release of Phlex 2.0. - Offer Lab launched a new product, offerlab.com. - Donn Felker completed the Hotwire Native Android course. - Wilbert Liu introduced a new tool, Markdown to email. - Ruby Central initiated a community spotlight and opened applications for their

Published: 2025-02-18 | Origin: /r/programming

The rise of WebAssembly is driving the popularity of web browser games, transforming browsers from simple image and text renderers into powerful platforms for complex applications. Recent advancements have allowed browsers to replicate native platform technologies safely, enabling enhanced game performance similar to native applications, which improves game compatibility and distribution. Key technologies facilitating this evolution include: - **WebAssembly (wasm)**: This established binary instruction format allows developers to write code in various languages and compile it for the web. It offers strong compatibility across major

Published: 2025-02-18 | Origin: Hacker News

The content provides an overview of common uses of the Go programming language, highlighting how it helps companies solve specific problems, improves security by default, and offers tips for writing effective Go code. It includes a comprehensive introduction to software development with Go and serves as a reference for the standard library's documentation. Users can also learn about the latest changes in each Go release, access videos from past events, and connect with local and global Go developers through the official Go project's blog and community resources. The latest release,

Published: 2025-02-18 | Origin: /r/ruby

The author, working at Buoy, has been developing an Architecture Decision Record (ADR) to establish a common foundation for upcoming projects. After thorough consideration and discussions with team members, they began implementing a new feature for the "Bariloche" Rails app, which aims to automate processes for Plasma Donation Facilities. The implementation involves creating a new route and controller in a package called “actions.” To assist with this task, the author decided to use Cursor's AI agent, configured with the claude

Published: 2025-02-18 | Origin: Hacker News

The content describes a personal experience of the author moving into a newly built home and facing unexpected challenges while installing a washing machine, which took four hours instead of the anticipated ten minutes. This experience parallels the difficulties in software effort estimation. The first blocker was that the builder neglected to drill a necessary hole for the power supply, preventing the washing machine from being powered. The author solved this by researching and purchasing a hole saw. The second blocker arose when the hole saw didn't fit the author's consumer-grade

Published: 2025-02-18 | Origin: Hacker News

Gravelmap allows users to log in using their Facebook or Google accounts, ensuring that no personal information other than for login purposes is used. Users can also log in with an email address and password. The platform has recently updated its features to enhance gravel route planning, making it more intuitive for users. You can add routes by clicking on the map, adjusting points, and marking surface types. It's important to ensure submissions are accurate and do not trespass on private properties. Users can manage their favorite routes

Published: 2025-02-18 | Origin: Hacker News

Rune Skovbo Johansen has developed a Surface-Stable Fractal Dithering technique that allows dither dots to adhere to 3D surfaces while adjusting their density based on view distance and zoom levels. The author explores its applicability to the Playdate, a device with a one-bit color screen, and has produced a video and code available on GitHub for further examination. The content is structured into several sections, discussing the practicality of the technique, technical aspects of Surface-Stable Fractal D

Published: 2025-02-18 | Origin: Hacker News

Of course! Please provide the content you'd like me to summarize.

Published: 2025-02-18 | Origin: /r/ruby

Yatish Mehta discusses code documentation for Ruby, highlighting YARD as his preferred choice due to its flexibility and rich features over other options like RDoc and TomDoc. To use YARD, you need to install the gem and generate documentation, which can then be hosted on any web server. He also provides a cheatsheet for YARD tags and explains its custom configuration options, such as documenting Rails controller actions using the `@overload` tag for parameters that aren't explicitly passed. Additionally,

Published: 2025-02-18 | Origin: /r/programming

Python 3.14, set to release later this year, will introduce a new type of interpreter that can enhance performance by up to 30% without necessitating any changes to existing code. This improvement is based on an optimization method referred to as "tail calls," which speeds up bytecode instruction dispatch via a C compiler, though it does not imply any direct support for tail call optimization in Python itself. Existing Python code and C extension modules will not require recompilation, and the new interpreter adds

Published: 2025-02-17 | Origin: /r/programming

Version 0.6.7 introduces significant enhancements to the language, particularly in the area of compile-time array manipulation. Key updates include: 1. **Mutable Compile-time Arrays**: Compile-time arrays can now be modified, allowing for direct assignment like `$arr[$i] = 123`. The only remaining immutable items at compile time are struct fields. 2. **Concatenation Operator**: The `+++` operator now functions on all array types, including those with gaps. 3.

Published: 2025-02-17 | Origin: Hacker News

The excerpt discusses the author's childhood experience watching David Lynch's "Dune" in 1984, a film that was complicated enough that audience members received a guide to its logic. The author reflects on the confusion surrounding the "Star Wars" franchise, detailing the various titles and releases, including the distinction between "Return of the Jedi" and the later prequel, "Revenge of the Sith." Additionally, it mentions the consideration of different directors for "Return of the Jedi," highlighting George Lucas

Published: 2025-02-17 | Origin: /r/programming

The author discusses experimenting with an app that has various protections against reverse engineering, such as jailbreak detection and code obfuscation. They mention modifying apps, like TikTok, to alter functionality, which requires understanding how the app works internally. The app in question, which is more complex than a simple Widget app, offers an interesting mix of these protections. The author outlines the process of attaching a debugger to the app, ideally on a jailbroken phone, using tools like ssh and lldb. However,

Published: 2025-02-17 | Origin: Hacker News

A Delta Air Lines flight from Minneapolis to Toronto crashed at Pearson International Airport on Monday, causing the plane to flip upside down and injuring 18 people among the 80 passengers and crew onboard. The incident followed a weekend of heavy snowfall that resulted in various flight disruptions. Fortunately, there were no fatalities, and the injured were promptly treated, with 17 immediately taken to the hospital. Initial reports on the number of injuries varied, with earlier counts as low as eight or as high as 15 before

Published: 2025-02-17 | Origin: /r/programming

The content discusses the relationship between category theory and Haskell programming. It emphasizes that while understanding Haskell doesn't require knowledge of category theory, familiarity with it is beneficial for grasping the underlying concepts and contributing to the language's development. The author finds category theory initially accessible but notes that the complexity increases with concepts like functors and natural transformations. The Yoneda lemma is highlighted as a significant challenge that, once understood, provides valuable insights into categories and their components. The author introduces a polymorphic function called

Published: 2025-02-17 | Origin: /r/programming

The content discusses common questions regarding the documentation of systems built with Event-Driven Architecture (EDA) and the need for scalable solutions beyond simple Markdown documents. The author highlights the importance of proper practices and tooling for governance, introducing EventCatalog, a tool developed by David Boyne. David has extensive experience in serverless and event-driven architectures, and his work, including his contributions to AWS and the AsyncAPI initiative, has made these concepts more accessible. The article emphasizes that EventCatalog is an open-source documentation

Published: 2025-02-17 | Origin: /r/ruby

The post explains how to back up a SQLite database within a Docker container on a remote server for a Ruby on Rails application deployed with Kamal. The author shares their experience using Kamal to host various applications, particularly leveraging a Rails, Hotwire, and SQLite combination as a lightweight alternative to traditional setups like WordPress with MySQL. Initially, the backup process involved manual commands, but the author has since automated it using a shell script and Rake task. To backup the SQLite database, the author