Published: 2024-11-07 | Origin: /r/ruby

The content outlines various updates and changes regarding ActiveSupport, a component of the Ruby on Rails framework. Key points include: 1. Feedback is taken seriously and documented qualifiers are available. 2. Deprecated features have been removed, such as: - Passing arrays of strings to `ActiveSupport::Deprecation#warn`. - Setting the `attr_internal_naming_format` with a `@` prefix. - The `ActiveSupport::ProxyObject`. 3. The i18n watcher will

Published: 2024-11-07 | Origin: /r/programming

The post introduces the 🦉 Owl Store, a solution designed to manage environment variables (ENV vars) efficiently, addressing common issues faced by developers when using platforms like GitHub and GitLab. The Owl Store provides a type system to specify, resolve, and verify the correctness of environments. It can be used with minimal setup, utilizing Dagger, and is documented within Runme's repository. The post highlights the challenges of maintaining consistent environments in software development, especially considering the complexities of Docker, lock

Published: 2024-11-07 | Origin: Hacker News

The content discusses the importance of web standards, their development, and adoption by various groups, particularly the World Wide Web Consortium (W3C), which focuses on core technology, industry, and societal needs. It emphasizes mastering web fundamentals, using developer tools, and community contributions. A key announcement is the formation of the Sustainable Web Interest Group (SWIG), aimed at enhancing digital sustainability. The group highlights that the digital industry significantly contributes to global emissions and environmental impact, prompting the need for sustainability guidelines.

Published: 2024-11-07 | Origin: /r/programming

The blog post discusses Just-In-Time (JIT) compilation, specifically its application in ClickHouse and its implementation using the LLVM infrastructure. It summarizes the author's presentations from various conferences where JIT compilation in ClickHouse was a primary focus. JIT compilation allows for dynamic generation and execution of machine code at runtime, with examples including JVM Hotspot and V8. The post also includes a practical example of a sum function coded in C++, detailing how the function is compiled and how to analyze its assembly output

Published: 2024-11-07 | Origin: /r/programming

The article discusses how databases typically manage their write operations using direct and buffered I/O techniques. Most databases open their Write-Ahead Logging (WAL) and data files with the `O_DIRECT` flag for unbuffered I/O, allowing them to maintain their own page cache and directly interface with disk without involving the kernel's page cache. This method gives databases more control over data management and improves durability through functions like `fdatasync()`. The piece notes that while `O_DIRECT` is generally

Published: 2024-11-07 | Origin: Hacker News

Codebuff streamlines code editing by allowing users to type their requests directly into the terminal, after which it searches the entire codebase to make the necessary edits, manage tests, type-check, or install packages. The idea originated during a hackathon when the creator experimented with Sonnet 3.5, initially creating a flawed script that required multiple steps for code modification. However, by reflecting on the errors and providing more context about the codebase through a manually written guide, the script's performance improved

Published: 2024-11-07 | Origin: /r/programming

The author is developing a static analysis tool for SQL, specifically for SQLite, called sqleibniz. The tool aims to perform syntax checks, verify the existence of tables, columns, and functions, and enhance the development experience by incorporating an embedded SQLite runtime for condition assertions. The goal is to provide users with high-quality error messages that offer context, explanations, and options to mute diagnostics. The analysis process includes lexical analysis/tokenization, SQL parsing based on SQLite documentation, and evaluating the resulting constructs

Published: 2024-11-07 | Origin: /r/programming

The content discusses ANIL (A Nice Intermediate Language), a programming language inspired by Python and C++ that transpiles to C and can be embedded in C source files. It highlights various components of the ANIL project, including: - A comparison of functions written in C and ANIL, such as the implementation of the `__contains__` method. - The process of generating C code from ANIL. - Directory structure and files associated with the ANIL compiler, including the implementation of the compiler

Published: 2024-11-07 | Origin: /r/programming

The content explains the distinctions between four key attributes of system design: resilience, fault-tolerance, robustness, and reliability. 1. **Resilience** refers to a system's ability to recover after a disruption, likened to a rubber band that returns to its shape after being stretched. An example is Apache Cassandra's mechanism to recover missing data after a node failure. 2. **Fault-tolerance** is the capacity of a system to continue functioning properly despite one or more component failures, represented by

Published: 2024-11-07 | Origin: Hacker News

The Plasma Control Group addresses the challenges of understanding complex non-linear systems in plasma physics using a novel machine learning approach. Traditional diagnostics provide limited views of these systems, often losing crucial information. By identifying hidden inter-correlations among different diagnostics, the group proposes a multimodal methodology that produces super-resolution data, allowing for detailed observation of plasma dynamics and structure previously deemed unobservable. This approach is particularly significant for analyzing Edge Localized Modes (ELMs), which can damage fusion reactor walls. The new super-resolution

Published: 2024-11-07 | Origin: Hacker News

In this edition, a reverse engineering analysis of "Ecco the Dolphin: Defender of the Future," a Dreamcast game, reveals unrecognized cheat features associated with specific save file names. Using tools like Ghidra and Python, the author decoded the game’s encoding scheme to uncover various names that unlock features like "immortality" and a debug display. The known cheat involves entering the initials "GYU" twice followed by any three letters, which allows players to access all stages of the

Published: 2024-11-07 | Origin: /r/programming

The content discusses the concept of ASCII control codes, particularly focusing on their use in terminal environments, especially on Mac OS. There are 33 ASCII control characters, which include codes associated with the letters A to Z, plus a few additional symbols. The author notes that these control codes are somewhat randomly categorized due to their organic development over time. Key points include: - The 33 control codes can limit the assignment of shortcuts since many combinations (like Ctrl-1) do not carry distinct functions and often

Published: 2024-11-07 | Origin: Hacker News

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Published: 2024-11-07 | Origin: /r/programming

The content discusses the phenomenon of career plateaus, which often occur in engineering and other fields as professionals lose motivation and fulfillment over time. Initially driven by enthusiasm and high expectations, individuals may eventually find it challenging to see tangible impacts from their work, leading to a sense of stagnation. This state, termed "active boredom," involves being busy with tasks yet feeling unfulfilled due to repetitive duties, a lack of challenges, or misalignment with personal values. Active boredom manifests as going through the motions,

Published: 2024-11-07 | Origin: Hacker News

The author is preparing to introduce new productized services to their operations group and believes this is a good opportunity to share their insights on internal delegation, drawing from their leadership and consulting experience. They highlight that both programmers and marketers often face difficulties transitioning from individual contributors to team leaders when it comes to delegation. Successful delegation involves assigning both tasks and accountability, whereas unsuccessful delegation only assigns tasks while retaining accountability. The author suggests that while certain forms of delegation, including detailed documentation commonly used by individual contributors, can

Published: 2024-11-07 | Origin: /r/programming

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Published: 2024-11-07 | Origin: /r/programming

Elixir utiliza un modelo de concurrencia basado en procesos ligeros y aislados que se comunican mediante mensajes, lo que minimiza riesgos de condiciones de carrera al evitar el uso compartido de memoria. Para mantener la estabilidad de las aplicaciones, Elixir cuenta con supervisores, procesos que gestionan y reinician otros procesos en caso de fallo. Se pueden usar módulos como Supervisor y Task.Supervisor para gestionar eficientemente estos procesos. En el contenido se presenta un ejemplo de cómo definir un proceso Worker

Published: 2024-11-07 | Origin: /r/programming

The author participated in the IMC Prosperity 2 trading competition, sharing insights from their first experience in such an event. The competition involved trading virtual assets through multiple rounds with varying rules and goals, primarily aimed at maximizing profit. Different trading methods were employed, namely algorithmic trading, which uses programmed trading strategies, and manual trading, where trades are executed based on real-time data. In one example, the team used a stable asset called amethyst and an unstable asset named starfruit,

Published: 2024-11-07 | Origin: /r/programming

The author recounts their experience as a first-time participant in Battlecode 2024, a contest where participants code teams of robots to accomplish objectives—in this case, a duck-themed capture the flag game. The objective is to capture all three opponent flags while managing actions based on a limited number of bytecode each round. The gameplay involves strategic use of actions with cooldowns and currency called "crumbs," which can be collected from the map or by defeating enemy ducks. Teams must write versatile code to

Published: 2024-11-07 | Origin: Hacker News

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