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Zellij's Web Terminal: Bringing Your Terminal to the Browser

2025-08-31

Zellij's Web Terminal: Bringing Your Terminal to the Browser

Zellij, a terminal workspace and multiplexer, recently released a built-in web client, allowing users to connect to background terminal sessions via a browser. This post details the construction of the Zellij Web Terminal, including technology choices, architecture design, and challenges faced. It uses a client/server architecture with bidirectional communication via WebSockets between the browser and the Zellij server. Built with Rust and axum, the web server prioritizes security and ease of use. Future plans for Zellij include expanding the web interface to support features like native UI component rendering and the merging of multiple terminal sessions.

(poor.dev)

Development terminal multiplexer web client

Building a Rewrite Rule Database: An Ambitious Project

2025-02-22

This post proposes the creation of a database of rewrite rules encompassing various domains, including integer properties, differentiation, set theory, bitvectors, functional programs, and more. The author lists numerous existing projects and libraries containing rewrite rules and discusses the feasibility and challenges of unifying these rules into a common format. While some rules can be directly proven by existing SMT solvers, the author argues that a well-defined rewrite rule database is crucial for precise rewriting and manipulations in specific application contexts and will be a valuable resource for future research.

(www.philipzucker.com)

Development rewrite rules

beeFormer: Bridging the Semantic and Interaction Gap in Recommender Systems

2025-03-24

beeFormer: Bridging the Semantic and Interaction Gap in Recommender Systems

The beeFormer project introduces a novel approach to recommender systems designed to tackle the cold-start problem. It leverages language models to learn user behavior patterns from interaction data and transfer this knowledge to unseen items. Unlike traditional content-based filtering which relies on item attributes, beeFormer learns user interaction patterns to better recommend items aligned with user interests, even with no prior interaction data. Experiments demonstrate significant performance improvements. The project provides detailed training steps and pre-trained models, supporting datasets such as MovieLens, GoodBooks, and Amazon Books.

(github.com)

AI Recommender Systems Cold-Start Language Models

Broken OBS Studio Flatpak on Fedora: A Third-Party Package Masquerading as Official

2025-02-14

Broken OBS Studio Flatpak on Fedora: A Third-Party Package Masquerading as Official

The unofficial OBS Studio Flatpak package on Fedora is reportedly broken, leading to user complaints directed at the official developers. This isn't an isolated incident; many users express frustration with Fedora's aggressive Flatpak deployment and lack of clear opt-out options. The author requests either removal of the package or clear labeling as third-party, questioning the decision to replace a functional Flatpak with a broken one, thus undermining official efforts.

(gitlab.com)

Development

YC-Backed Fintech Startup Blaze Hiring AI-Driven Software Engineer

2025-06-16

YC-Backed Fintech Startup Blaze Hiring AI-Driven Software Engineer

Blaze, a YC-backed fintech startup in Mexico City, is hiring a Junior Software Engineer. The role involves leveraging AI tools like Cursor to accelerate the development of their payment platform's front-end and back-end. Ideal candidates will possess strong JavaScript, React, and AI development tool knowledge, and a passion for fintech. Blaze offers competitive compensation, equity, and the opportunity to grow in a fast-paced environment.

(www.ycombinator.com)

Development

New Cloud Ransomware Threat: Simulating Attacks, Detection & Prevention

2025-05-07

This article explores a novel cloud ransomware attack targeting Amazon S3 buckets. Attackers leverage S3's server-side encryption (SSE-C) to encrypt objects using the `CopyObject` operation, leaving a ransom note. The author developed an S3 ransomware simulator to test environment vulnerabilities and provides a CloudTrail-based detection and response mechanism, along with preventative measures such as restricting SSE-C usage, CopyObject actions, and utilizing object versioning. The article highlights the importance of enhanced security monitoring and response mechanisms in cloud environments.

(raphabot.com)

Tech

A-MEM: An Agentic Memory System for Enhanced LLM Agents

2025-03-03

A-MEM: An Agentic Memory System for Enhanced LLM Agents

Large Language Model (LLM) agents excel at complex tasks but need sophisticated memory systems to leverage past experiences. A-MEM introduces a novel agentic memory system dynamically organizing memories using Zettelkasten principles. It features intelligent indexing and linking, comprehensive note generation with structured attributes, and continuous memory evolution. Agent-driven decision-making ensures adaptive memory management. Experiments on six foundation models demonstrate superior performance compared to state-of-the-art baselines. This repository provides code to reproduce the results; for application, see the official implementation.

(github.com)

AI Memory Systems

Go 1.24 Memory Leak Investigation: An Unexpected Discovery and the Swiss Tables Surprise

2025-07-20

Go 1.24 Memory Leak Investigation: An Unexpected Discovery and the Swiss Tables Surprise

After the release of Go 1.24, an unexpected memory usage increase was observed in a data processing service. Investigation revealed that a refactoring of a memory allocation function in the Go runtime inadvertently removed an optimization, causing unnecessary zeroing of memory during large object allocation, thereby increasing Resident Set Size (RSS). While Go runtime internal metrics showed no change, system-level metrics revealed a significant increase in memory usage. Collaboration with the Go community helped pinpoint and fix the issue. Surprisingly, Go 1.24's new "Swiss Tables" feature significantly reduced memory usage in high-traffic environments, offsetting the previous regression and even yielding additional memory savings.

(www.datadoghq.com)

Development

Unlocking New Colors: Laser Stimulation of Cone Cells

2025-07-21

Unlocking New Colors: Laser Stimulation of Cone Cells

A study used laser pulses to selectively stimulate cone cells in the retina, claiming to allow people to see unprecedented colors. While the study lacks detailed subject reports, an optical illusion animation seems to produce a similar effect. The animation saturates red cones with a red circle, highlighting green cone activity and producing an intense blue-green. However, due to overlapping cone spectra and screen display limitations, whether this approach reveals colors beyond the normal human color gamut remains questionable.

(dynomight.net)

Tech optical illusion cone cells

Couchers v1 Launch: A Safer, More Active Couchsurfing Community

2025-07-03

Couchers v1 Launch: A Safer, More Active Couchsurfing Community

After five years of development, Couchers is thrilled to announce the launch of version 1.0! This release focuses on creating a safer and more active couchsurfing community. It includes a redesigned landing page, improved core functionality, and exciting new features such as enhanced referencing, a revamped map search, and a notification feed. The Couchers team encourages users to spread the word and help grow the community.

(couchers.org)

Misc Couchsurfing v1 Launch

ts-ssh: A Powerful Tailscale SSH/SCP CLI Tool

2025-06-20

ts-ssh: A Powerful Tailscale SSH/SCP CLI Tool

ts-ssh is a streamlined command-line SSH and SCP client leveraging the Tailscale network. It offers powerful multi-host operations, batch command execution, and true tmux integration—all without requiring the full Tailscale daemon. Perfect for DevOps teams needing fast, reliable SSH access across their Tailscale infrastructure, ts-ssh supports multiple authentication methods, interactive SSH sessions, secure host key verification, and direct SCP transfers. Its advanced multi-host capabilities include batch command execution, concurrent command execution, and multi-host file distribution. Cross-platform compatible and offering multiple language support, ts-ssh is a must-have for efficient network management.

(github.com)

Development

10 Years of Hardware Startup Lessons Condensed into a 300+ Page Book

2025-03-18

An engineer with over a decade of experience across multiple hardware startups has compiled their hard-earned wisdom into a 300+ page guide to electronics design. Covering everything from ideation and component selection to schematic design, PCB layout, cost optimization, manufacturing, testing, lab setup, troubleshooting, demo tips, and recommended companies, this book aims to accelerate your learning and prevent common pitfalls. A free digital copy or a physical copy for $39 is available.

(www.hscott.net)

Hardware electronics engineering startup lessons

WordPress.org Pauses Services for Holiday Break

2024-12-20

To give volunteers a holiday break, WordPress.org is temporarily pausing several free services: new account registrations, new plugin/theme submissions, and new photo directory submissions. Forums and localization remain open. Founder Matt Mullenweg explains that legal battles with WP Engine are consuming significant time and resources, hindering his work on WordPress improvements. He urges support for WordPress.org and suggests using alternative web hosts not involved in the litigation.

(wordpress.org)

Development Holiday Break Legal Battle

AI Image Generation: Ghibli-esque Mimicry Raises Copyright Concerns

2025-04-03

AI Image Generation: Ghibli-esque Mimicry Raises Copyright Concerns

A recent update to GPT image generation allows users to transform any picture into a Studio Ghibli-esque style. This showcases AI's impressive ability to mimic styles, but also raises significant copyright concerns. The author conducts an experiment, demonstrating GPT's ease in generating images strikingly similar to well-known IP characters, even without explicitly mentioning the IP. This is both amazing and alarming, highlighting the potential for AI to facilitate intellectual property theft. While laws allow for mimicking visual styles, the precision of the mimicry pushes the boundaries of copyright law, prompting reflection on the relationship between AI development and copyright protection.

(theaiunderwriter.substack.com)

AI

Heat Accelerates Auto Chip Aging, Raising Safety Concerns

2024-12-18

Heat Accelerates Auto Chip Aging, Raising Safety Concerns

New research shows that automotive chips are aging significantly faster than expected in hot climates, shortening the lifespan of electric vehicles and potentially creating new safety issues. In areas like Phoenix, Arizona, where high temperatures can persist for weeks, cabin temperatures can reach 93°C, severely impacting chip longevity. Studies reveal that for a chip designed for a 30-year lifespan, high temperatures reduce life expectancy by an additional 10% annually. Chipmakers are working to address this, requiring new materials, design redundancy, and active cooling solutions. Increased chip utilization due to autonomous driving exacerbates the problem. Proactive monitoring and predictive failure analysis will become crucial, impacting both vehicle reliability and safety.

(semiengineering.com)

Hardware automotive chips aging high temperatures

Deep Dive into CPS: A Journey into Functional Programming Compilation

2024-12-25

This article delves into Continuation-Passing Style (CPS) and its application in compiling functional programming languages. The author builds a CPS transformer step-by-step for a simple Scheme-like language, explaining optimization strategies and code generation methods. The article details the transformation of integers, variables, function calls, arithmetic operators, lambda expressions, and if expressions into CPS form. It also discusses meta-continuations and optimization techniques such as constant folding and beta reduction. Finally, it outlines several approaches to generating executable code from CPS, including generating C code, using trampolines, and employing a single large switch statement.

(bernsteinbear.com)

Development Functional Programming

RubyBoy: A Game Boy Emulator in Ruby, Now with WebAssembly!

2025-02-08

RubyBoy: A Game Boy Emulator in Ruby, Now with WebAssembly!

The author built a Game Boy emulator called RubyBoy in Ruby and released it as a gem. This article details the development process, covering UI implementation, ROM loading, MBC chip support, CPU and PPU implementation, and performance optimization strategies. To boost performance, the author employed YJIT, avoided unnecessary Hash creation, optimized loop calculations, and leveraged the improvements in Ruby 3.3, resulting in significant speed improvements. Ultimately, RubyBoy successfully runs in the browser thanks to WebAssembly, enabling cross-platform execution.

(sacckey.dev)

Development Game Boy emulator

How Apollo Killed the Rotating Space Station

2025-07-03

How Apollo Killed the Rotating Space Station

This article explores NASA's decision in the 1960s to abandon the development of rotating space stations capable of providing artificial gravity, and the profound impact this decision had on human space exploration. While early designs were viable, the prioritization of the Apollo moon landing program led to funding cuts for artificial gravity research, resulting in humans remaining confined to zero-gravity stations for decades, leading to astronaut health problems like muscle atrophy and bone loss. Today, commercial space companies are revisiting artificial gravity stations, hoping to correct this historical detour and propel humanity towards becoming a spacefaring civilization.

(angadh.com)

Tech Artificial Gravity

BMW's 'Heart of Joy': Redefining Driving Pleasure in the Electric Era

2025-02-17

BMW's 'Heart of Joy': Redefining Driving Pleasure in the Electric Era

BMW is developing a central computing unit called the "Heart of Joy" to revolutionize the electric driving experience. This small, eight-inch black box integrates driving dynamics and powertrain control, powering BMW's upcoming Neue Klasse electric vehicles. Unlike most manufacturers, BMW developed it in-house, enabling finer control over vehicle performance, improved braking efficiency and stability, faster response times, and lower maintenance costs. The Heart of Joy stems from BMW's reimagining of driving pleasure in an electrified future, aiming to differentiate its EVs and reduce reliance on global supply chains.

(www.theverge.com)

Tech BMW Central Computing Unit

arXivLabs: Experimental Projects with Community Collaborators

2025-06-16

arXivLabs is a framework enabling collaborators to develop and share new arXiv features directly on the website. Individuals and organizations involved embrace arXiv's values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only partners with those who share them. Have an idea to enhance the arXiv community? Learn more about arXivLabs.

(arxiv.org)

Development

Mixin: A Powerful Bytecode Weaving Framework for Java

2024-12-28

Mixin: A Powerful Bytecode Weaving Framework for Java

Mixin is a trait/mixin and bytecode weaving framework for Java using ASM, hooking into the runtime classloading process via pluggable services. It supports Mojang's LegacyLauncher (deprecated in favor of the more extensible ModLauncher), and is compatible with Java 8 and later. Mixin offers extensive documentation, Maven repositories, and tooling, including an Annotation Processor for handling obfuscation tasks, and integration with Eclipse and IntelliJ IDEA. Its version history details feature additions and bug fixes, aiding developers in choosing the appropriate version.

(github.com)

Development bytecode Mixin framework

SCCS: The Source Code Motel After 50 Years

2024-12-13

This article retrospectively examines the influence of the Source Code Control System (SCCS) over the past 50 years. Author Larry McVoy details SCCS's unique weave format, which allows for merging by reference, avoiding the inefficiencies of patch-based copying found in other systems. He explains how SCCS leverages this weave to retrieve any file version in constant time and preserves authorship across versions. While acknowledging shortcomings like long-term locks and file-orientation, McVoy highlights the efficiency of the weave format and its preservation of authorship as groundbreaking, laying the groundwork for later systems like BitKeeper.

(www.tuhs.org)

Development Source Code Management

Unthinkable Reconciliation: Rwandan Genocide Survivors Forgive Their Attackers

2025-01-12

Unthinkable Reconciliation: Rwandan Genocide Survivors Forgive Their Attackers

Thirty years after the Rwandan genocide, which claimed half a million lives in 100 days, an extraordinary reconciliation is underway. Survivors and perpetrators, through a community-based sociotherapy program called 'Mvura Nkuvure' (I heal you, you heal me), are forging unlikely friendships. The therapy focuses not on forgiveness, but on helping individuals cope with trauma and rebuild their lives. Through 15 weekly sessions, participants learn trust, care, and respect, ultimately focusing on the future. Many participants describe the therapy as life-changing, fostering connection and hope in a deeply scarred society.

(www.positivenewsus.org)

Misc Rwanda Genocide Reconciliation

hyveOS: Serverless Swarm Orchestration for Drones and Robots

2025-01-17

hyveOS is a decentralized system for coordinating swarms of robots and drones, eliminating the need for internet connection or central servers. Developers can install hyved on various devices (like Raspberry Pis) and use diverse SDKs (including Python, Rust, JavaScript, etc.) to build applications. Its core strength lies in its decentralized architecture, enabling flexible and reliable swarm control adaptable to complex scenarios. Sample applications are provided for easy onboarding.

(docs.p2p.industries)

Development

Npflared: A Free, Self-Hostable Private npm Registry

2024-12-24

Npflared is a free and open-source, self-hostable private npm registry built on Cloudflare's Worker, D1, and R2 services, allowing you to host it for free. Fully compatible with existing npm clients, Npflared provides a secure way for you and your team to manage private npm packages. Get the benefits of a full-fledged private registry with ease and enhance your development workflow.

(npflared.thomas-cogez.fr)

Development private registry

Google Search Now Requires JavaScript: Security or Something Else?

2025-01-17

Google Search Now Requires JavaScript: Security or Something Else?

Google has announced that its search engine now mandates JavaScript for use. The stated reason is to better protect against malicious activity like bots and spam, improving the overall user experience. However, this move may inconvenience users relying on accessibility tools and has sparked speculation about Google's intent to limit third-party search trend analysis tools. While Google claims the affected user percentage is minuscule, the sheer volume of daily Google searches means millions are still impacted, leading to widespread discussion.

(techcrunch.com)

Tech Malicious Activity

HTMX v2.0.4 Release Notes: Bug Fixes and Improvements

2024-12-14

HTMX v2.0.4 Release Notes: Bug Fixes and Improvements

The HTMX v2.0.4 release notes detail numerous bug fixes and improvements. This release focuses on stability and compatibility enhancements, including fixes for nested shadow root issues, improved `hx-boost` behavior on forms, better support for Web Components and Shadow DOM, and updated extensions for improved performance and reliability. Adjustments to the `htmx.ajax` function and optimizations to `hx-trigger` event handling are also included.

(github.com)

Development Release Bug Fixes

FTC Slams GoDaddy for Lax Data Security

2025-01-28

FTC Slams GoDaddy for Lax Data Security

The Federal Trade Commission (FTC) is taking action against GoDaddy for allegedly failing to implement reasonable security measures, leading to multiple data breaches since 2018. The FTC alleges GoDaddy misled customers about its data security protections. The proposed settlement requires GoDaddy to establish a comprehensive data security program and undergo independent security assessments. This action highlights the importance of robust security practices for web hosting providers and underscores the FTC's commitment to protecting consumer data.

(www.ftc.gov)

Tech Data Breach

Data, Not Compute: The Next AI Bottleneck

2025-09-03

Data, Not Compute: The Next AI Bottleneck

For years, we've misinterpreted the Bitter Lesson; it's not about compute, but data. Increasing GPUs requires a 40% data increase, otherwise it's wasted resources. The internet's data is nearing saturation. The future lies in 'alchemists' (high-risk, high-reward data generation) and 'architects' (steadily improving model architecture), not just compute. The article analyzes the pros, cons, and risks of both paths, concluding that solving data scarcity in 2025 will determine AI company survival in 2026.

(obviouslywrong.substack.com)

AI data bottleneck model architecture

The Dopamine Economy: How Tech Giants Manipulate Your Brain

2025-02-01

The Dopamine Economy: How Tech Giants Manipulate Your Brain

This article explores how the 'addiction economy' manipulates the dopamine reward system to influence industries ranging from food to social media. The author argues that many of history's most successful companies rely on addictive mechanisms to create demand and profit, citing examples from tobacco, food, and pharmaceutical industries. The piece analyzes how tech companies, especially social media platforms, utilize algorithms to maximize user engagement, leading to addiction and mental health issues. Ultimately, the author warns that this addictive mechanism, combined with inherent human biases and conflict tendencies, can lead to severe societal consequences, urging caution regarding the risks of technological advancements.

(www.profgalloway.com)

Tech addiction economy dopamine

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