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ooh.directory is an online directory that provides listings and information about out-of-home (OOH) advertising opportunities, including billboards, digital displays, and other outdoor media formats across different geographic regions.

This article explores the process of reverse engineering a sleep mask, focusing on its technical aspects, including the components used, the modifications made, and the insights gained through the reverse engineering process.

I made a chess engine today, and made it fit within 2KB. I used a variant of MinMax called Negamax, with alpha beta pruning. For the board representation I have used a 120-cell "mailbox". I managed to squeeze in checkmate/stalemate in there, after trimming out some edge cases.

I am a great fan of demoscene (computer art subculture) since middle school, and hence it was a ritual i had to perform.

For estimating the Elo, I measured 240 automated games against Stockfish Elo levels (1320 to 1600) under fixed depth-5 and some constrained rules, using equal color distribution.

Then converted pooled win/draw/loss scores to Elo through some standard logistic formula with binomial 95% confidence interval.

The article discusses the upcoming release of Zig 0.10, which will include features such as a new standard library, improved error handling, and better performance. It also covers the language's development roadmap and future plans.

The article explores the artistic technique of halftone, which uses patterns of small dots to create the illusion of continuous tones. It examines how this traditional printing method can be utilized in modern digital design to create visually striking and textured effects.

The article discusses how social media platforms have been accused of helping the Department of Homeland Security (DHS) censor critics of U.S. Immigration and Customs Enforcement (ICE), with advocates saying platforms have 'bent over backward' to assist the government in removing such content.

Hello my name is Ben Ward for the past 3 years I have been remastering the financial game Wall Street Raider created by Michael Jenkins originally on DOS in 1986.

It has been a rough journey but I finally see the light at the end of the tunnel. I just recently redid the website and thought maybe the full story of how this project came to be would interest you all. Thank you for reading.

sql-tap is a transparent proxy that captures SQL queries by parsing the PostgreSQL/MySQL wire protocol and displays them in a terminal UI. You can run EXPLAIN on any captured query. No application code changes needed — just change the port.

The article discusses the online storage platform Code.Storage, which provides developers with a secure and scalable cloud-based storage solution for their projects, enabling seamless collaboration and easy access to files across teams and devices.

The classic science fiction series Babylon 5 is now available to watch for free on YouTube. This move allows fans and new viewers alike to enjoy the acclaimed show without subscription costs.

The article discusses the concept of Schlieffen Plan, a pre-World War I German military strategy, and its potential flaws and ineffectiveness in the face of modern warfare. It explores how the plan's rigid execution and failure to adapt to changing circumstances contributed to the outbreak and prolonged duration of the war.

The article discusses the mathematical principles underlying data compression, exploring how algorithms like Huffman coding and arithmetic coding can reduce the storage and transmission requirements of digital information without losing fidelity. It provides a technical overview of the mathematics and insights into the fundamental limits of compression.

The article explores the use of Persistent Indexed Properties (PIPs) in the C# programming language, which allow for the creation of collections with custom indexers. The authors discuss the benefits of PIPs, such as improved readability and maintenance, and present several use cases where PIPs can be effectively applied.

The article discusses the Mastodon social network, an open-source and decentralized alternative to mainstream social media platforms. It highlights Mastodon's features, such as federated servers, content moderation, and community-driven development, which aim to provide a more ethical and user-friendly social media experience.

The U.S. Department of Homeland Security has reportedly issued hundreds of subpoenas to identify and potentially prosecute individuals who have criticized the Immigration and Customs Enforcement (ICE) agency online, raising concerns about free speech and government overreach.

Hi HN! I'm currently a Master's student at USTC (University of Science and Technology of China). I've been diving deep into Data Engineering, especially in the context of Large Language Models (LLMs).

The Problem: I found that learning resources for modern data engineering are often fragmented and scattered across hundreds of medium articles or disjointed tutorials. It's hard to piece everything together into a coherent system.

The Solution: I decided to open-source my learning notes and build them into a structured book. My goal is to help developers fast-track their learning curve.

Key Features:

LLM-Centric: Focuses on data pipelines specifically designed for LLM training and RAG systems.

Scenario-Based: Instead of just listing tools, I compare different methods/architectures based on specific business scenarios (e.g., "When to use Vector DB vs. Keyword Search").

Hands-on Projects: Includes full code for real-world implementations, not just "Hello World" examples.

This is a work in progress, and I'm treating it as "Book-as-Code". I would love to hear your feedback on the roadmap or any "anti-patterns" I might have included!

Check it out:

Online: https://datascale-ai.github.io/data_engineering_book/

GitHub: https://github.com/datascale-ai/data_engineering_book

The article explores the story behind the creation of the iconic 'Little Guy' animation character, highlighting the challenges and creative process involved in bringing this simple yet endearing figure to life through stop-motion animation.

Cogram, a Y Combinator company, is seeking an ex-technical founder and product engineer to join their team. The successful candidate will play a key role in the company's product development and engineering efforts.

Vim 9.2, the latest version of the popular text editor, has been released, featuring improvements to the Vim script language, better error handling, and expanded completion support.

The article discusses how the development of modern tools and technologies has made it easier to create terminal user interfaces (TUIs) that offer a more interactive and visually appealing experience compared to traditional command-line interfaces. It highlights the advantages of TUIs and the various frameworks and libraries available for building them.

The article discusses new developments in theoretical physics, including progress in understanding the nature of space, time, and the fundamental laws of the universe. It highlights the ongoing efforts of researchers to unify the various theories of physics into a comprehensive framework that can explain the observed phenomena at all scales.

This article delves into the complexities of font rendering on different platforms, discussing the technical differences between raster and vector fonts, the impact of font hinting, and the challenges of maintaining consistent typography across devices.

npmx.dev is a website that provides a comprehensive collection of tools and resources for Node.js developers, including package management, project scaffolding, and development tools, to streamline the development process and enhance productivity.

Backblaze's annual hard drive reliability report for 2025 reveals trends in hard drive failure rates, providing insights into the long-term stability and durability of various drive models and manufacturers for consumers and businesses to consider when making storage decisions.

The article discusses the creation of an open-source YouTube media storage project, which aims to provide a platform for hosting and managing personal YouTube media files, allowing users to easily upload, manage, and stream their content.