Published: 2026-01-04 | Origin: Hacker News

The content emphasizes the importance of user feedback and outlines the features of an automatic differentiation library, referred to as "mytorch," implemented in Python with inspiration from PyTorch. It highlights its extensibility, use of NumPy for computations, and similarities to PyTorch's graph-based reverse-mode autodiff. Mytorch can compute high derivatives for both scalar and non-scalar inputs, supporting functionalities like `torch.autograd.backward` and `torch.autograd.grad`. The text also suggests that extending mytorch to

Published: 2026-01-04 | Origin: Hacker News

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Published: 2026-01-03 | Origin: Hacker News

During a catchup call, the speaker recounted sharing with their friend Nick Wignall about an AI model that was trained to write blog posts in the speaker's style. The creator's goal was to see if the AI could generate complete articles based on the speaker’s previous work by providing headlines and opening paragraphs. However, upon comparing a few AI-generated posts with the originals, the speaker noted that the writing suffered from an "uncanny valley" effect, where it appeared fine initially but felt off

Published: 2026-01-03 | Origin: Hacker News

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Published: 2026-01-03 | Origin: /r/programming

Carquet is a high-performance library written in pure C for reading and writing Apache Parquet files, filling the gap for a production-ready C implementation in contrast to existing libraries in C++, Rust, Java, and Python. It is designed for C-only environments with minimal dependencies, especially beneficial for embedded or constrained systems. While Carquet provides functionality for handling Parquet files, Apache Arrow remains the industry standard for comprehensive feature support and reliability. Carquet supports various platforms (Linux, macOS, Windows

Published: 2026-01-03 | Origin: Hacker News

The blog post discusses computer security, particularly focusing on the Trusted Platform Module (TPM) and its application in creating attestable reports, which can potentially enhance anti-cheat mechanisms in competitive video games. The author, who has not updated the blog in eight months, uses this vacation time to delve into non-AI technologies developed by their team in 2025. They explain the role of the TPM as a security chip that maintains hardware and software integrity by securely storing cryptographic keys and performing operations that

Published: 2026-01-03 | Origin: /r/programming

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Published: 2026-01-03 | Origin: /r/programming

The content emphasizes the importance of user feedback, stating that all feedback is taken seriously. It describes a CLI tool designed to validate business logic specified in YAML files, which can be integrated into continuous integration (CI) systems to prevent pull requests (PRs) that contain invalid or risky logic changes. The tool helps separate business logic from application code, allowing the definition of rules in version-controlled YAML and facilitating testing and review of changes. The output of the tool indicates whether all tests pass or if there are

Published: 2026-01-03 | Origin: /r/programming

Bold is a fast text editor expected to enter public beta around May. The author has worked just over two weeks this month due to taking time off, illness, and holidays. They spent time auditing key classes and utility code, fixing bugs, and working on insert and delete logic for proper highlighting of semantic tokens, which required extensive coding to maintain delta updates without overwriting token information. Additionally, they began implementing a keymap configuration file that supports multiple actions for one shortcut, although it's still a work in

Published: 2026-01-03 | Origin: Hacker News

In his article published on January 2, 2026, Michael Lynch analyzes the most popular Hacker News bloggers from 2025, with Simon Willison retaining his top position for the third consecutive year. Lynch defines a blogger as someone who runs a personal blog rather than a corporate or team platform. Simon stands out due to his genuine approach to blogging about artificial intelligence (AI) — he shares his experiences as a power user without any commercial bias. In a year dominated by AI discussions, Simon

Published: 2026-01-03 | Origin: /r/programming

This article is the first in a series examining low-level memory management in C, C++, and Rust, beginning with the fundamental concept of bytes. It highlights how a 64-bit processor views memory as a flat array of addressable bytes, devoid of inherent meaning regarding data types. Memory abstractions such as effective types in C, object lifetimes in C++, and validity invariants in Rust help compilers optimize code by understanding relationships and constraints on data that the hardware cannot intuit. The article emphasizes that

Published: 2026-01-03 | Origin: /r/programming

The content discusses the capability of building Android apps using Swift, highlighting the Droid framework as a key tool for creating native user interfaces. The framework includes various components like AndroidX, Flexbox, and Material Design, and offers a declarative syntax similar to SwiftUI, simplifying the app development process by abstracting complex Android functionalities. The documentation for this framework is still being developed, and users are encouraged to be patient with any issues they may encounter. Additionally, user preferences are tracked through cookies to improve documentation

Published: 2026-01-03 | Origin: Hacker News

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Published: 2026-01-03 | Origin: /r/programming

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Published: 2026-01-03 | Origin: /r/programming

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Published: 2026-01-03 | Origin: /r/programming

The abstract discusses the challenges maintainers face when assessing code revisions, particularly distinguishing between simple and complex changes of similar size. While lines of code (LOC) is a straightforward method for ranking revisions, it doesn't account for the complexity of changes. Traditional complexity metrics like Halstead’s and McCabe’s are difficult to apply across different programming languages. The authors propose a language-independent method based on the statistical moments of code indentation as a lightweight metric to assess complexity. Their findings indicate that using variance and summation

Published: 2026-01-03 | Origin: /r/programming

In the 4th episode of the "Behind The Screen" series, the author discusses Uber's backend system for managing real-time location events, as detailed in the Uber Engineering Blog. Initially, Uber used a polling mechanism where the mobile app continuously requested location updates from the server, leading to high server resource usage, faster battery drain, and increased cold start times. This inefficient system resulted in 80% of backend requests being related to location polling. To address these issues, Uber developed RAMEN (

Published: 2026-01-03 | Origin: Hacker News

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Published: 2026-01-03 | Origin: Hacker News

The content discusses two main topics: the revival of the Adventure 751 game and the history of the Analog Computer Laboratory at the University of Arizona. 1. **Adventure 751 Game**: A nostalgic reference to the early 80s adventure game, "Adventure 751," associated with the CompuServe service. This game, a variation of Crowther/Woods Adventure, was popular and has been sought after since the 90s when CompuServe shut down its gaming section. Arthur O’

Published: 2026-01-03 | Origin: Hacker News

The article discusses a programming challenge from the /r/dailyprogrammer subreddit, where participants were tasked with writing a program to process a recurrence relation. Given an initial term and a sequence of operations (limited to addition, subtraction, multiplication, and division), the goal was to compute the next terms in the sequence. The author opted to create an x86-64 Just-In-Time (JIT) compiler instead of a traditional interpreter, converting operations into native machine code for direct hardware execution. The update