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Escaping the React Pit: The 'Throwaway Code' Hack

2025-05-09

A programmer struggled with a React side project, spending more time debugging than developing. He described the situation using a Korean proverb, '배보다 배꼽이 더크다' (the belly button is bigger than the belly), highlighting a misplaced priority. After reading 'Pure React', he started writing numerous 'throwaway code' exercises to practice React, rapidly mastering the concepts. He ultimately built a prototype in 30 minutes, impressing a friend. The takeaway: use 'throwaway code' frequently to quickly improve skills and overcome challenges.

(www.sung.codes)

Development quick learning

Shopify's 5-Year React Native Journey: Successes, Lessons, and the Future

2025-01-16

Shopify's 5-Year React Native Journey: Successes, Lessons, and the Future

Shopify shares its five-year experience with React Native. Initially driven by efficiency, talent portability, and faster value delivery, Shopify migrated all its mobile apps to React Native. The transition was successful, resulting in high-performing apps (<500ms screen loads, >99.9% crash-free sessions). They learned about React Native's speed, hot reloading, and how TypeScript improves talent portability. Challenges included debugging complexities, updates requiring effort, and reliance on third-party libraries. Shopify stresses the importance of native development and improved team skills via shared infrastructure and training. They will continue collaborating with Meta to improve React Native.

(shopify.engineering)

Development Mobile Development

Reversible Computing: A Low-Energy Revolution for AI?

2025-06-02

Reversible Computing: A Low-Energy Revolution for AI?

The inherent energy loss in computer computation, like Hansel and Gretel's discarded breadcrumbs, has long been a challenge. Landauer pioneered reversible computing, but it was initially deemed a dead end. Bennett's 'uncomputation' offered a new path, cleverly avoiding data deletion to reduce energy waste, but speed remained an issue. MIT engineers attempted low-loss chip designs, but progress was slow. Recently, as computer circuits approach physical limits and the demand for parallel AI computation rises, reversible computing has gained renewed interest. Earley's research precisely quantifies the energy savings, paving the way for commercial applications. The founding of Vaire Computing marks a milestone in the transition from theory to reality.

(www.quantamagazine.org)

Tech

Cybercriminals Shift to Proxies to Mask Their Activities

2025-06-07

Cybercriminals Shift to Proxies to Mask Their Activities

To evade law enforcement, cybercriminals are increasingly using proxy servers and VPNs to mask their malicious activities. Previously reliant on 'bulletproof' hosting providers, the crackdown on these services has forced a shift. Criminals now leverage residential proxies and other decentralized services, using ordinary consumer IP addresses to obscure their operations, making tracking and identification extremely difficult. This transition presents new challenges to cybersecurity, requiring law enforcement to develop new strategies to combat increasingly sophisticated cybercrime.

(www.wired.com)

Tech proxy servers VPNs

AI Coding Assistants Need More Context: Experiments and Insights

2025-02-10

AI Coding Assistants Need More Context: Experiments and Insights

Traditional AI coding assistants, while proficient in code generation, often lack crucial context about the broader system environment. This leads developers to spend extra time bridging the gap between code and various information sources. This article details experiments integrating operational context (call graphs, metrics, exception reports) into AI assistants to improve debugging accuracy. Results show structured performance data and error reports enhance AI analysis, but efficiently representing vast amounts of context remains a challenge. The future lies in a knowledge graph encompassing production behavior, system metrics, and more, enabling AI assistants to understand system behavior holistically.

(www.nuanced.dev)

Development AI coding assistants context understanding

Atari 2600+ & 7800+: Retro Gaming Reimagined

2025-02-09

Atari 2600+ & 7800+: Retro Gaming Reimagined

Atari's new 2600+ and 7800+ systems bring classic Atari gaming to modern TVs via HDMI. Both boast retro designs and compatibility with original controllers. The 7800+ includes a wireless gamepad, though its quality is questionable. While load times are slow and some game compatibility issues exist, the high-definition visuals and ease of connection to modern displays make them attractive for retro gaming enthusiasts and collectors.

(www.goto10retro.com)

Game

Rust's Slow Compile Times: A Deep Dive

2025-06-12

The slow feedback loop and long compilation times of Rust are frequent complaints. This blog post delves into the Rust compiler team's efforts to improve compilation speed and the challenges they face. While the team makes weekly progress, tackling performance improvements and regressions, and has achieved significant gains (e.g., nearly doubling speed on a specific benchmark in three years), near-instant compilation remains elusive due to technical hurdles and prioritization. These include the compiler's large and complex codebase, the need to balance various trade-offs in optimizations, maintaining stability, adding new features, and the limited time and resources of volunteer contributors. The post concludes by outlining future improvement directions, such as optimizing specific compilation workflows and performing large-scale refactoring of the compiler.

(kobzol.github.io)

Development Compiler Performance

Tech Archaeology: Unearthing Brautigan's Poem

2025-01-09

Tech Archaeology: Unearthing Brautigan's Poem

Blogger John Graham-Cumming shared the complete text of Richard Brautigan's poem, "All Watched Over by Machines of Loving Grace," on his blog. While the poem is somewhat known in tech circles, a complete PDF of the original 1967 publication proved elusive. Interpreting the copyright notice as allowing free republication, Graham-Cumming provides a scan of the entire book, a delightful find for tech and literature enthusiasts.

(blog.jgc.org)

Misc tech history online resources

The Algorithmic Challenge of Efficient Vocabulary Expansion

2025-09-21

Learning a new language efficiently requires expanding vocabulary quickly. This article explores the problem of selecting books to maximize vocabulary learning efficiency. While selecting a single book is relatively straightforward, choosing multiple books to cover more vocabulary becomes an NP-hard problem, meaning the computation time for exact solutions grows exponentially with the number of books. Fortunately, this problem falls under submodular problems, allowing the use of approximation algorithms to find near-optimal solutions within a certain accuracy. The article introduces greedy algorithms and their improvements, and recommends the efficient Python library submodlib.

(www.johndcook.com)

Development vocabulary learning

4th Circuit Rejects Emergency Request in Abrego García Case

2025-04-23

This post provides a line-by-line analysis of the Fourth Circuit's opinion in the case of Kilmar Armando Abrego García, a Salvadoran national deported despite a withholding of removal order. The court denied the government's motion for an emergency stay and writ of mandamus. The judge found the government's actions deprived Abrego García of due process, even with claims he was a terrorist and MS-13 member. The court emphasized that due process must be observed even if accusations are true, noting the government could seek to overturn the withholding of removal order. The ruling highlights the checks and balances between the judicial and executive branches, and the upholding of due process and the rule of law.

(writing.kemitchell.com)

Misc

Cheap AI Enables 'Stupid' Ideas: The Birth of Gongzilla

2025-01-25

Cheap AI Enables 'Stupid' Ideas: The Birth of Gongzilla

The author used ChatGPT's o1 and v0 functionalities to create a small game called Gongzilla in under an hour, without writing a single line of code, through multiple iterations. While the game itself isn't perfect, it showcases the possibilities of rapid prototyping and creative realization in the age of cheap AI. This post explores the ease of AI-assisted creation and the value of exploring 'stupid' ideas at low cost—even if those ideas ultimately aren't perfect, the fun of learning and creating is invaluable.

(everything.intellectronica.net)

Game AI creation low-cost prototyping

Amazing Binz: A West Philly Discount Store's Secret

2025-06-05

Amazing Binz: A West Philly Discount Store's Secret

A discount store called Amazing Binz opened in West Philadelphia, sparking curiosity and controversy among residents. The store sells overstock and returned goods from major retailers at daily decreasing prices, attracting a large customer base but also raising questions about consumerism, excess goods, and neighborhood change. The author, through a week-long observation, reveals the store's operating model, its source of goods, and its impact on the community, showcasing the rise and fall of the reverse logistics industry and the cycle of goods in a consumer society.

(defector.com)

Startup reverse logistics discount store

Cuttle: A Retro Two-Player Card Game That's More Than Just Luck

2025-01-10

Cuttle, a two-player card game emerging in the 1970s, challenges players to reach 21 points first using a standard 52-card deck. Gameplay involves strategic card placement and unpredictable effects. Players deploy point cards to score or 'scuttle' opponent's cards, while one-off and permanent effect cards introduce twists and turns. Aces clear the board, twos counter effects, and kings reduce the winning point requirement. With its blend of strategy and chance, Cuttle offers a unique and engaging retro gaming experience.

(www.pagat.com)

Game card game strategy game

Eliminating Noise in CI Performance Testing: The CodSpeed Macro Runners Breakthrough

2025-08-03

Eliminating Noise in CI Performance Testing: The CodSpeed Macro Runners Breakthrough

Creating performance gates in CI to prevent significant regressions has been a challenge due to noise in hosted runners. This article explores measuring this noise using various benchmarking suites. Results on GitHub Actions showed a 2.66% coefficient of variation, leading to a 45% false positive rate for a 2% performance gate. CodSpeed's Macro Runners, running on bare-metal cloud instances with enhanced stability, drastically reduced this noise. Macro Runners achieved a 0.56% average variance, lowering the false positive rate to 0.04%. This allows for more precise performance gates, catching subtle regressions without overwhelming contributors with false alarms.

(codspeed.io)

Development

Scientists 'Write' New Information into the Human Brain Using MRI

2024-12-19

Scientists 'Write' New Information into the Human Brain Using MRI

Researchers from the University of Rochester, Yale University, and Princeton University have developed a novel technique to induce learning by directly manipulating brain activity patterns. Using real-time brain imaging and neurofeedback, this method bypasses traditional learning processes that require effort and practice. Participants in an fMRI machine were presented with 'wobbling' abstract shapes and instructed to stop the movement using only their minds. A pre-defined brain activity pattern associated with a new visual category was linked to cessation of the wobble. This feedback mechanism effectively 'sculpted' the participants' brain activity, leading them to learn new visual categories without conscious awareness. This groundbreaking technology holds immense potential for applications in education, rehabilitation, and mental health treatments.

(interestingengineering.com)

AI neurofeedback learning

Exploiting a Type Confusion Vulnerability in macOS's coreaudiod Daemon

2025-05-14

Exploiting a Type Confusion Vulnerability in macOS's coreaudiod Daemon

This blog post details the author's journey in discovering and exploiting a high-risk type confusion vulnerability in macOS's coreaudiod system daemon. Using a custom fuzzing harness, dynamic instrumentation, and static analysis, the author, a security engineer at Google Project Zero, uncovered a sandbox escape vulnerability. The research employed a knowledge-driven fuzzing approach, combining automated fuzzing with targeted manual reverse engineering. The vulnerability, CVE-2024-54529, has since been patched by Apple.

(googleprojectzero.blogspot.com)

Development macOS security type confusion

A Funny Bug in Chrome's MV3 Extensions

2025-07-13

Google Chrome's transition from MV2 to MV3 removed the webRequestBlocking permission, breaking many ad blockers. However, the author discovered a quirky bug: due to the use of JavaScript bindings in Chrome extension APIs, manipulating parameters in the `chrome.webRequest` event constructor allowed bypassing permission checks and enabling ad blocking. While this bug didn't pose a security risk, it highlighted potential issues lurking in legacy code and the possibility of achieving unexpected results by cleverly exploiting technical details. The author reported the bug to Google, and it has since been patched.

(0x44.xyz)

Development

SigNoz: Open Source Application Monitoring Dev Advocate Wanted

2025-06-27

SigNoz: Open Source Application Monitoring Dev Advocate Wanted

SigNoz, a global open-source application monitoring project with 21,000+ GitHub stars and 6,000+ Slack community members, is hiring a Developer Advocate. This role involves engaging with the community, creating dev-focused blogs and videos, presenting SigNoz at meetups and conferences, and assisting users with setup and use cases. You'll work on a global dev infra product, engage with the open-source community, and be backed by YC and prominent US VCs. Requires 1+ years of software engineering experience, familiarity with various programming languages and deployment methods (e.g., k8s, Docker), active participation in developer communities, and knowledge of cloud-native ecosystems, Kubernetes, and OpenTelemetry is a plus.

(www.ycombinator.com)

Development developer advocate

In-Browser WASM Performance: DuckDB, Apache Arrow, and Web Workers in Action

2025-04-06

In-Browser WASM Performance: DuckDB, Apache Arrow, and Web Workers in Action

Motif Analytics built a highly interactive in-browser analytics tool using DuckDB WASM, Apache Arrow, and Web Workers, enabling users to experiment without commitment. The article details the upsides and downsides of this tech stack, including DuckDB WASM's performance (slower than native but optimizations help), and schema inconsistencies encountered when parallelizing with Web Workers (e.g., data insertion failures due to schema mismatches). Bugs and limitations are shared, highlighting DuckDB WASM's rapid development and promising future improvements.

(motifanalytics.medium.com)

Development

Alan Yentob: A Legacy of Achievement and Controversy at the BBC

2025-05-25

Alan Yentob: A Legacy of Achievement and Controversy at the BBC

Alan Yentob, a prominent British television executive and presenter, passed away on May 24, 2025, at the age of 78. His career at the BBC spanned decades, marked by significant achievements including revitalizing BBC2 as its controller and holding top positions at BBC1. However, his tenure as chairman of the Kids Company charity was overshadowed by controversy surrounding its collapse in 2015, leading to his resignation as the BBC's creative director. Yentob's life and work represent a complex legacy of both remarkable contributions and significant ethical questions.

(en.wikipedia.org)

Misc

Musk Calls for ISS Deorbiting: A Debate on Science, Diplomacy, and Future Space Exploration

2025-02-23

Musk Calls for ISS Deorbiting: A Debate on Science, Diplomacy, and Future Space Exploration

Elon Musk recently called for the deorbiting of the International Space Station (ISS) as soon as possible. This move sparked controversy, as the station is crucial for scientific research, technology development, STEM education, and international diplomacy. Experts point out that the ISS's microgravity environment allows experiments impossible to replicate on Earth, such as studying the long-term effects of microgravity on the human body and developing new drugs and materials. Furthermore, the ISS fosters international collaboration, symbolizing post-Cold War cooperation in space. While Musk argues the ISS's utility is diminishing, premature deorbiting would halt important research and innovation, negatively impacting future lunar and Martian missions.

(abcnews.go.com)

Tech

Build a Database in 3000 Lines of Go: From Zero Dependencies to SQL Queries

2025-01-19

Build a Database in 3000 Lines of Go: From Zero Dependencies to SQL Queries

This article details the creation of a small database in 3000 lines of Go code, starting from zero dependencies. The author walks through the core concepts, beginning with power-loss atomicity (achieved through append-only logs and checksums) and efficient indexing using data structures like B+trees. The process is explained step-by-step, covering append-only KV store creation, space reclamation, relational database operations (point/range queries, secondary indexes), concurrency control, and a simple SQL-like query language. The entire process is documented in a book, freely available online.

(build-your-own.org)

Development

JS1K Winner: Bouncing Beholder - A 1KB Platformer

2025-02-04

Bouncing Beholder is a JavaScript platform game that fits within the incredibly tight constraints of 1024 bytes. The author achieved this feat through ingenious coding techniques, such as method name abbreviation, minimizing function use, and a highly holistic code design. The game involves navigating a procedurally generated landscape, collecting coins, and avoiding hazardous terrain. The article details the development process and showcases fascinating low-level optimization strategies, offering a unique look into the world of extreme code compression.

(marijnhaverbeke.nl)

Game

Fidget: A High-Performance Rust Library for Large-Scale Math Expressions

2025-01-08

Fidget is a Rust library for representing, compiling, and evaluating large-scale math expressions. Primarily designed for implicit surfaces, its flexibility extends to various applications. Architecturally layered, Fidget comprises a frontend (script-to-bytecode), backend (fast, flexible evaluation), and algorithms (rendering and meshing). Its core innovation combines interval arithmetic and trace simplification for efficient handling of massive expressions, further enhanced by JIT compilation. Offering diverse demos including a web-based GUI, Fidget supports automatic differentiation and interval arithmetic.

(www.mattkeeter.com)

Development Implicit Surfaces JIT Compilation

TigerBeetle's Docs Site Rebuild: Ditching Docusaurus for a Zig-Powered Solution

2025-04-10

TigerBeetle's Docs Site Rebuild: Ditching Docusaurus for a Zig-Powered Solution

TigerBeetle rebuilt its documentation site from scratch, abandoning Docusaurus (Node.js based) in favor of a lightweight, fast, Zig-powered static site generator. Leveraging Zig's build system and Pandoc, they achieved efficient Markdown parsing and HTML generation. The new site boasts improved user experience, a significantly smaller footprint, and even a fun Easter egg game. This rebuild showcases TigerBeetle's commitment to technical excellence and a lean approach.

(tigerbeetle.com)

Development Documentation Site

Model Context Protocol (MCP): The USB-C Moment for AI?

2025-03-26

Model Context Protocol (MCP): The USB-C Moment for AI?

Anthropic's Model Context Protocol (MCP), released in late 2024, is taking the AI world by storm. Think of it as the USB-C of AI integrations: it allows Large Language Models (LLMs) like Claude or ChatGPT to seamlessly communicate with external data sources and tools (Obsidian, Gmail, calendars, etc.) without needing a million custom integrations. MCP uses a three-tier architecture—hosts, clients, and servers—to enable secure and reliable data access and action triggering, significantly simplifying development and spawning innovative applications. Examples include connecting LLMs to personal databases, code repositories, and even real-time stock data. MCP's open-source nature has made it a hot topic in the developer community, integrated into numerous AI apps, and heralds a revolutionary shift in how we interact with AI applications.

(pieces.app)

AI

Ukraine's War: The Shadowy Trade in Internet Addresses

2025-06-06

Since the February 2022 Russian invasion of Ukraine, nearly one-fifth of Ukraine's internet address space has fallen under Russian control or been sold to internet address brokers. A new study reveals that large chunks of Ukrainian IP address space are now in the hands of shadowy proxy and anonymity services nested within major US ISPs. Desperate to stay afloat, Ukrainian ISPs have sold off valuable IPv4 addresses. These addresses have ended up in proxy services globally, many of which are used for cyberattacks against Ukraine and Russia's enemies. Some were even used in DDoS attacks and spear-phishing attempts by Russian state-sponsored hacking groups. AT&T, a major US telecom, has changed its policy to prevent the use of static routes with IPs they don't provide, likely forcing many proxy services to migrate to other providers.

(krebsonsecurity.com)

Tech IPv4 Addresses

Portugal's Rise: Information Deficit and Maritime Expansion

2025-05-25

In the 15th century, the obscure Portugal, through the conquest of Ceuta, launched its expansion towards a maritime empire. This article describes the global landscape on the eve of Portugal's rise, particularly the powerful Mamluk Sultanate and its control over the spice trade. It highlights Portugal's profound lack of knowledge about the East, leading to significant miscalculations in its early voyages. However, by gradually recruiting local agents, the Portuguese eventually established control over the Indian Ocean trade and solidified their position in competition with the Ottoman Empire.

(www.historytoday.com)

History Portuguese history maritime empire spice trade

SimCity Megacity: A Six Million Strong Totalitarian Nightmare

2025-05-03

Vincent Ocasla spent four years building Magnasanti, a totalitarian SimCity 2000 metropolis with a population of six million. Inspired by the Buddhist Wheel of Life, the city reflects a dark commentary on social control and power dynamics. Lacking hospitals, schools, and fire stations, citizens rarely live past 50, existing within a highly regimented environment. Ocasla views Magnasanti not as a mere game, but an artistic expression commenting on the harsh realities of power, oppression, and social control, using the game as a medium to explore these themes.

(www.vice.com)

Game City Planning

Analyzing Lone Wolf Gamebooks with Graph Theory

2025-09-23

The author encoded the Lone Wolf series of gamebooks as directed graph networks and used graph theory algorithms to analyze their properties. The Dawn of the Darklords was excluded from the analysis as it wasn't officially released as a gamebook. The analysis covered 28 books across four series, calculating the shortest path to the ending, the shortest path to death, the path with the most fights, and other statistics for each series. Results showed a decrease in difficulty and an increase in adventure and story focus over time. Technical details like handling disconnected graphs and cycle removal were also discussed.

(notes.atomutek.org)

Game Lone Wolf

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