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

Kars4Kids is a charity notorious for its catchy yet disliked jingle and controversial reputation. While it promotes support for Jewish children and their families, its focus is primarily on a specific religious group rather than broadly helping needy children. The organization mainly operates in New Jersey and has been criticized for not directing funds raised in other states, like Minnesota, back to local communities, despite a significant Jewish population. Most of Kars4Kids' contributions are funneled to another charity, Oorah, which

Published: 2025-06-27 | Origin: /r/ruby

The content discusses the challenges faced by a team working on a Ruby on Rails project for a client, SumIt, which helps families manage their finances. When faced with a request for a highly customizable and interactive feature—specifically a custom reports builder—the team contemplated shifting their tech stack to React but ultimately decided to enhance their existing Ruby on Rails setup using Hotwire. They employed Turbo, Stimulus, and View Components, alongside some third-party JavaScript solutions, to create a sophisticated multi-step form that

Published: 2025-06-27 | Origin: Hacker News

The authors of the study, including Shuangfei Zhai and Ruixiang Zhang, present a novel architecture named TarFlow, which enhances the capabilities of Normalizing Flows (NFs) in modeling and generating images. Despite previous limitations in the field, TarFlow utilizes a Transformer-based design similar to Masked Autoregressive Flows (MAFs) and employs a stack of autoregressive Transformer blocks on image patches with alternating autoregression directions. The architecture is easy to train end-to-end and

Published: 2025-06-27 | Origin: /r/programming

The article discusses the importance of the C++ copy constructor, highlighting its role in value semantics, ownership logic, and the Rule of 3/5/0. It explains that the copy constructor is a special function used to create a new object as a copy of an existing one, emphasizing that this process produces independent objects rather than shared references, which is a fundamental aspect of C++. The piece further notes the complexities involved when copying objects that handle resources, as the default copy constructor performs a shallow

Published: 2025-06-27 | Origin: Hacker News

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Published: 2025-06-27 | Origin: Hacker News

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Published: 2025-06-27 | Origin: /r/programming

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Published: 2025-06-27 | Origin: Hacker News

The content highlights the importance of user feedback and offers a brief overview of the Compositional Differentiable Programming Library known as SymbolicAI. This neuro-symbolic framework integrates classical Python programming with the adaptable nature of large language models (LLMs) while maintaining a natural Python experience. It is designed to be modular, allowing easy customization and extensibility, including writing custom engines and interfacing with various tools. Key concepts of SymbolicAI include "primitives" and "contracts," with Symbol objects

Published: 2025-06-27 | Origin: /r/programming

The blog post discusses how to efficiently compute the Fibonacci sequence using GPU programming with NVIDIA's Thrust library. It focuses on the concept of the "scan" operation, which is fundamental for parallel algorithms. The author references a previous post on implementing scan in CUDA and explains exclusive scans using a default plus operator and a multiplication operator defined by a lambda function. Thrust's flexibility allows for matrix multiplication to be utilized in scans, specifically with a diagonal matrix for powers of 2. This lays the groundwork for

Published: 2025-06-27 | Origin: /r/programming

C23 introduces a new rule for compatibility among structs, unions, and enums across different translation units (TUs), which is now reflected in recent compiler releases, including GCC 15 and upcoming versions of Clang. Previously, each struct definition within a TU was treated as a distinct and incompatible type, but the new rule asserts that they are compatible if they share the same tag and fields. This change enables easier type parameterization through macros, allowing developers to define multiple struct versions without needing to write them

Published: 2025-06-27 | Origin: Hacker News

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Published: 2025-06-27 | Origin: /r/programming

The content discusses the opportunities and challenges in the software engineering profession, highlighting that it has become a highly sought-after and lucrative career over the past 10-15 years, similar to previous high-status jobs like lawyers and Wall Street traders. The author mentions Volv, a news app providing concise tech-related articles, and notes that as companies increasingly adopted software solutions, the demand for engineers surged, often leading to the hiring of less-experienced individuals. Despite this high demand, the author claims that

Published: 2025-06-27 | Origin: /r/ruby

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Published: 2025-06-27 | Origin: /r/programming

Mochi v0.10.5 introduces an efficient and expressive method for querying structured data, with support for various file types like JSON, YAML, and CSV. The new syntax, reminiscent of SQL and LINQ, allows for type-checked queries and the creation of typed collections from defined schemas. It's designed for use in ETL pipelines and data transformations, allowing users to filter and extract data using a readable and concise format. Additionally, users can sort data, manage pagination, and perform joins

Published: 2025-06-27 | Origin: /r/ruby

MRubyCS is a new mruby virtual machine implemented in C#. Initially named MRubyD, it focuses on seamless integration with C# game engines while ensuring high compatibility with Ruby-level APIs. Key features include: - **Implementation**: Built in pure C# to leverage modern language capabilities for high performance. - **Performance**: Utilizes C# features like managed pointers and .NET's GC and JIT compiler for efficiency. - **Ruby Compatibility**: All opcodes are implemented, passing

Published: 2025-06-27 | Origin: /r/programming

The author describes an incident where their ISP lost IPv4 connectivity after a power cut, while IPv6 was still functional but limited access to websites. Despite being able to connect to some services like Google and Meta, numerous other sites were inaccessible. The issue was identified as being related to Carrier Grade NAT (CG-NAT), impacting only IPv4 connections. After learning that a repair from the ISP might take several days, the author decided to utilize their Hetzner VPS, which has both IPv4 and

Published: 2025-06-27 | Origin: Hacker News

Since 2023, the author has served as a First Officer on the Airbus A350 with British Airways, previously flying the Airbus A320 family since 2016. They joined British Airways through a cadet scheme in 2014, completing an Integrated ATPL course in Spain after starting their aviation journey in Canada, where they earned a Glider Pilot License, Instructor Rating, and PPL. The author tracks their flight logs digitally with LogTen Pro, utilizing SQL for queries and creating infographics

Published: 2025-06-27 | Origin: /r/ruby

The content describes a Ruby gem named "msid," which generates a secure, unique fingerprint ID for a machine by collecting various hardware and software identifiers. This fingerprint is useful for licensing, device identification, or reliably identifying a specific machine. The gem combines system information into a SHA-256 hash to produce a unique ID. Users can install the gem via a Gemfile or directly and can enhance security by providing a salt for generating different IDs on the same machine. It is also compatible with Rails applications

Published: 2025-06-27 | Origin: /r/programming

The article discusses the concept of monads in programming, acknowledging that learners often find them challenging despite their simplicity and power. It highlights two common approaches to explaining monads, where the initial strong claim about their significance is often followed by a recognition of their complexity. The article aims to gradually build an understanding of monads, using Haskell for examples while ensuring the information presented is digestible in one read. It also addresses the question of why monads are necessary in functional programming, emphasizing that this programming

Published: 2025-06-27 | Origin: /r/programming

The content emphasizes the importance of user feedback and outlines steps for installing a C networking library called SwiftNet, which utilizes raw sockets. It encourages collaboration and clean coding practices, and mentions that the project is licensed under the Apache License 2.0. For questions or support, users can open an issue or contact the provided email. Additionally, there seems to be a loading error mentioned that advises reloading the page.