Published: 2024-12-23 | Origin: /r/ruby

The article discusses memoization, a technique used to enhance code performance by storing the outcomes of expensive function calls to avoid redundant computations. The author reflects on their experience creating a Ruby gem for memoization named ddmemoize, which has since been surpassed by better options. The implementation revealed that memoization is more complex than simply using Ruby’s ||= operator; it involves considerations like memory management and thread safety. The article uses examples to illustrate how local variables can store results and how the ||= operator can be utilized

Published: 2024-12-23 | Origin: /r/programming

Pre-trained large language models (LLMs) are highly effective due to their extensive training on vast internet data, but they often need to be fine-tuned for specialized tasks in real-world applications. Fine-tuning customizes these models for specific domains, enhancing their performance and efficiency. Traditionally, fine-tuning involves modifying the top layers of a neural network while keeping the lower layers fixed, as task-specific label spaces and loss functions may differ from the original model. However, this method retains a large number

Published: 2024-12-23 | Origin: Hacker News

The discussion revolves around developers who do not utilize certain tools for coding, specifically how they navigate codebases and find function definitions. One developer mentions they rely on the "go-to-definition" feature provided by language servers, while others suggest using methods like learning the language, consulting documentation, or using command-line tools like grep to locate definitions in different files. A response highlights the importance of understanding project organization and documentation, emphasizing that familiarity with reference materials improves productivity more than typing speed. It refutes the idea

Published: 2024-12-23 | Origin: Hacker News

The document outlines various agricultural topics, including bird flu, cottage food, fertilizer product databases, food and feed recalls, insect pests, laws and regulations, organic agriculture, pesticide licensing, exotic animals, and unmanned aerial systems. Notably, it announces that after three years without confirmed cases, the Washington State Department of Agriculture (WSDA) and the USDA have successfully declared the northern giant hornet eradicated from Washington and the United States. WSDA director Derek Sandison praised the efforts of his team

Published: 2024-12-23 | Origin: /r/programming

El contenido aborda los requisitos iniciales para considerar a Erlang como un buen lenguaje para aplicaciones de telecomunicaciones, destacando su escalabilidad y alta confiabilidad. Para escalar eficientemente, Erlang utiliza procesos ligeros que reaccionan a eventos, permitiendo un inicio y destrucción rápida, así como cambios de estado velozes. Se enfatiza que el sistema debería evitar la compartición de memoria entre procesos para mantener la consistencia y fiabilidad, lo que es crucial en aplicaciones que requieren

Published: 2024-12-23 | Origin: /r/programming

The content discusses the ESP32 MFA Authenticator, a personal project designed to generate MFA TOTP codes without needing to use a phone. Users can flash their ESP32-CYD board with the latest build from a designated site, and they are encouraged to verify the build against the repository's source codes. The project relies on certain prerequisites, such as installing drivers to recognize the ESP32, and requires Node and npm for development tools. Additional tips include links to purchase the board and accessories, and a reminder

Published: 2024-12-23 | Origin: /r/programming

The content discusses the use of Markwon, a library for rendering Markdown in Android applications. It highlights that Markwon allows developers to transform Markdown documents into Android's UI elements, specifically Views and Composables. The tutorial aims to create a Markdown rendering app that updates in real-time based on user input. To implement this, developers need to add Markwon and its required dependencies in the build.gradle.kts file, while ensuring to exclude certain dependencies to avoid errors. Although Markwon does not n

Published: 2024-12-22 | Origin: Hacker News

The discussion on the scanning capabilities of the CAPTOR radar in the War Thunder forums led to a user posting restricted material to support their argument. War Thunder, an online combat game launched in 2012 by Gaijin Entertainment, has faced repeated issues with sensitive information leaks, prompting a community manager to remind users not to share unverified classified information. Despite a prior warning, the user shared the documents, which were swiftly removed, and they were subsequently suspended. The Italian Ministry of Defence noted that certain manuals

Published: 2024-12-22 | Origin: Hacker News

The document discusses the concept of cognitive load in software development, emphasizing its significance in reducing confusion for developers. Confusion leads to wasted time and money and is primarily caused by high cognitive load, which refers to the mental effort required to complete tasks, especially when reading and understanding code. The author notes that developers often spend more time reading than writing code and highlights the importance of managing cognitive load to enhance comprehension. Cognitive load is categorized into two types: intrinsic load, which cannot be reduced and is inherent

Published: 2024-12-22 | Origin: Hacker News

Release v1.3.2-dev introduces the documentation for twtxt, a decentralized and minimalist microblogging service for hackers. The documentation is organized into several sections, starting with Installation and a Quickstart guide for newcomers. An Introduction section is recommended for those unfamiliar with twtxt. Additionally, there is a detailed Usage section covering command line interface (CLI) usage, and an API chapter that documents the internals of twtxt, including modules, classes, and functions. Contributions to the project are

Published: 2024-12-22 | Origin: Hacker News

The arXiv Privacy Policy has been updated, and by using arxiv.org, users consent to this policy. arXivLabs is a platform for developing and sharing new features on the website, emphasizing values such as openness, community, excellence, and user data privacy. arXiv collaborates only with partners who share these values. Users are encouraged to propose projects that would benefit the arXiv community through arXivLabs. Additionally, there is an option to receive notifications regarding arX

Published: 2024-12-22 | Origin: Hacker News

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Published: 2024-12-22 | Origin: /r/programming

The author reflects on the festive season and shares their thoughts on programming, specifically mentioning JBang, a tool that allows for straightforward execution of Java, Kotlin, or Groovy programs with a single command. Although JRuby isn't officially supported, the author, a former Ruby developer, expresses enthusiasm for its ability to combine JVM performance with the ease of Ruby development. However, they find JRuby's integration with Java dependency management tools like Gradle and Maven cumbersome, which discourages them from using Java libraries with

Published: 2024-12-22 | Origin: Hacker News

Bert Hubert reflects on the Dutch Electoral Board's open-source Abacus vote tabulation software, emphasizing the distinction between software typically deployed as a service—characterized by continuous development and automated testing—and critical software used in high-stakes environments like elections, power plants, and machinery. These sectors favor stability and well-documented changes over frequent updates, which can introduce the risk of malfunctions. Hubert's presentation included insights from his followers on Mastodon about long-term software development, underscoring the importance

Published: 2024-12-22 | Origin: /r/ruby

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Published: 2024-12-22 | Origin: /r/programming

The third edition of "Security Engineering" is now available as an e-book for $44 from Wiley and Amazon, with physical copies purchasable from Amazon in the USA and UK. Free downloads of individual chapters and a complete PDF of the book are accessible. The book has received positive endorsements, including praise for being the best in its field. Accompanying the book are fifteen teaching videos created for a security engineering class at Edinburgh University. The author expresses gratitude for feedback on errors and has provided err

Published: 2024-12-22 | Origin: Hacker News

The summary discusses a study on improving the speed of SQLite for analytical queries by leveraging Bloom filters, making it up to ten times faster. SQLite, a B-tree structured, row-based storage database, primarily excels in OLTP (Online Transaction Processing) workloads but was found to lag behind DuckDB in handling analytical queries, specifically those adhering to the Star Schema Benchmark (SSB), which includes complex joins between large fact tables and smaller dimension tables. Researchers discovered that SQLite's performance issues stemmed from certain op

Published: 2024-12-22 | Origin: /r/programming

The content discusses how researchers enhanced SQLite's performance for analytical queries by implementing Bloom filters, making it 10 times faster. It summarizes the findings from the paper "SQLite: Past, Present, and Future" (2022) and provides an overview of SQLite's architecture, which uses a B-tree on disk for row-based storage and a virtual machine (VDBE) to execute queries. Although SQLite generally excels in Online Transaction Processing (OLTP) workloads, a study from Buffalo University in 201

Published: 2024-12-22 | Origin: /r/programming

The author discusses the N+1 query problem, which occurs when a single database query is followed by multiple additional queries for associated records as each object is processed. This is a prevalent issue in web applications, often leading to performance degradations. The author illustrates this with an example involving a Product model that lazily loads associated data, resulting in a series of database queries (1 initial query plus N lazy loads). They emphasize the commonality of this issue, noting its prevalence second only to forgotten indexes in

Published: 2024-12-22 | Origin: Hacker News

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