Published: 2025-07-21 | Origin: /r/programming

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Published: 2025-07-21 | Origin: Hacker News

The blog post reflects on the author's experience working in Java optimizations for a large-scale distributed data processing platform, where even minor performance improvements could have significant financial implications. The author describes the highly optimized nature of the Java codebase, where most simple optimizations had already been implemented, leading to the need for more complex "heroic optimizations." Through extensive profiling, the author identified data serialization, particularly VarInt encoding (specifically ULEB128), as a promising area for optimization. Var

Published: 2025-07-21 | Origin: /r/programming

The author is exploring a ROM hack for The King of Fighters 99, a more complex Neo Geo game compared to their previous hacks of earlier titles. Their focus is currently on understanding the game's encryption and how it poses challenges for hacking. Neo Geo games consist of various ROM types, and both the P ROMs (program data) and C ROMs (sprite data) for KOF99 are encrypted, though the author will concentrate on P ROM encryption for now. The encryption methods used by SNK

Published: 2025-07-21 | Origin: /r/programming

The article discusses the immense popularity of the YouTube video "Baby Shark Dance," which has over 16 billion views, making it one of the most-watched videos globally. It prompts readers to consider how YouTube accurately tracks and displays such view counts, pointing out that it's not merely a straightforward addition process. Instead, the system faces complexities in managing billions of views daily and handling traffic spikes while ensuring accuracy. The article aims to build a view-counting system from the ground up, examining various approaches

Published: 2025-07-21 | Origin: Hacker News

The content discusses an open-source project involving an ESP32-based module designed to control Daikin air conditioning units. It highlights the limitations of Daikin's current cloud-based WiFi control, particularly its reliance on internet connectivity and slow performance. The new module allows for local control through a web interface, MQTT, and integration with HomeAssistant, providing a more efficient alternative without cloud dependence. The project includes available PCB designs for purchase and contributions are welcomed under the same GPL license. However, restrictions are in place

Published: 2025-07-21 | Origin: /r/programming

The author began using Docker in 2018 to run TensorFlow on an old computer and found it a useful way to execute Linux utilities on Windows. Intrigued by different virtualization strategies, especially Docker's containerization, the author compiled a blog detailing these learnings from a foundational perspective, starting from low-level components involved in container execution. The blog explains that containers implement OS-level virtualization by encapsulating applications and their dependencies, ensuring consistent execution across environments with minimal overhead. The distinction between images (static

Published: 2025-07-21 | Origin: /r/programming

RudderStack has launched Snowflake Streaming, a feature that enables faster integration of customer data into Snowflake. The company shares insights from their experience of using PostgreSQL as a streaming engine and queuing system instead of alternatives like Apache Kafka. This decision was based on PostgreSQL's flexibility, reliability, and ease of debugging. Over six years, they successfully scaled their system to handle 100,000 events per second by addressing challenges such as table bloat and index bottlenecks. The post provides

Published: 2025-07-21 | Origin: Hacker News

The topic of logging in software engineering is complex, with various valid perspectives depending on the situation. The author advocates for time-based logging—logging every X seconds—over count-based logging, which logs every X messages. Time-based logging ensures a consistent log emission rate, regardless of the application's message processing speed, which can vary significantly between production and testing environments. The author emphasizes that while logging too much can be problematic, not logging enough can lead to missed insights, making time-based logging a more effective default

Published: 2025-07-21 | Origin: Hacker News

This spring, XBOW developed a novel approach that significantly improved the performance of its vulnerability detection agents, increasing success rates from 25% to 55% on fixed benchmarks with limited iterations. XBOW functions as an autonomous penetration tester (pentester) that finds vulnerabilities in websites without ongoing human intervention after initial setup. The pentesting process involves creating and updating a mental model of the website's structure and potential attack points. A particular focus of the development was a subagent dedicated to identifying specific vulnerabilities,

Published: 2025-07-21 | Origin: Hacker News

Connmap is an X11 desktop widget that displays the real-time locations of your current network peers on a world map, and it also works on Wayland. Feedback from users is acknowledged and appreciated. To set up connmap, you need to clone its repository from GitHub, install dependencies, and compile it using the provided commands. It can be run in a terminal or as a background process. The installation process creates a configuration file at `~/.config/connmap/connmap

Published: 2025-07-20 | Origin: /r/programming

Of course! Please provide the content you'd like me to summarize, and I'll be happy to help.

Published: 2025-07-20 | Origin: /r/programming

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Published: 2025-07-20 | Origin: Hacker News

DeepSeek, a relatively unknown Chinese AI company, launched a chatbot called R1, claiming it rivals outputs from well-known AI firms while significantly reducing computational costs. This announcement led to a notable drop in stock prices for major Western tech companies, especially Nvidia. There were allegations that DeepSeek may have used knowledge distillation to obtain insights from OpenAI's proprietary model without permission, sparking shock within the industry. However, distillation is a common technique in AI development, well-established in the research community

Published: 2025-07-20 | Origin: Hacker News

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Published: 2025-07-20 | Origin: Hacker News

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Published: 2025-07-20 | Origin: /r/programming

Dennis Ritchie was a pivotal figure in the development of modern computing, known primarily for creating the C programming language and significantly contributing to the UNIX operating system. In the early 1970s, programming was cumbersome due to the reliance on machine-level assembly language. Working at Bell Labs, Ritchie sought to create a more efficient programming language to assist in building UNIX. He improved upon an earlier language called B, ultimately developing C, which offered speed, efficiency, and the ability to easily port UNIX across

Published: 2025-07-20 | Origin: /r/programming

It seems like there might have been a misunderstanding, as I am unable to view or access uploaded content directly. If you could provide the text or main points from the content that you would like summarized, I would be happy to help!

Published: 2025-07-20 | Origin: Hacker News

Jon Udell discusses the evolution of software development from the mid-1990s, highlighting the ease of creating applications using tools like Visual Basic, which enabled non-coders to build functional apps using a rich ecosystem of components. He introduces XMLUI, a new project that adapts this approach to the modern web with a React-based component system. XMLUI allows users to create reactive, themed applications using simple XML markup without needing in-depth knowledge of React or CSS. Udell emphasizes the potential of XML

Published: 2025-07-20 | Origin: /r/programming

The author, a programmer with a passion for Emacs and a fondness for parentheses, reflects on their unexpected return to .NET after a 15-year break. Previously, they had chosen Java for its portability over .NET, despite some advantages in the latter. Recently, their interest in OCaml led them to discover F#, a functional programming language developed by Microsoft for .NET. F# aims to enable writing concise, robust, and performant code while keeping the focus on problem-solving rather than programming

Published: 2025-07-20 | Origin: /r/ruby

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