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Taming the Chaos: Centralizing and Structuring Error Handling in Go

2024-12-18
Taming the Chaos: Centralizing and Structuring Error Handling in Go

This article details the author's journey in tackling escalating error handling issues in a growing Go project. Initially, the simple approach to error handling devolved into chaos with confusing logs and untraceable errors. To solve this, a new error handling framework was designed and implemented. This framework employs a centralized, structured system using namespace codes to make errors meaningful and traceable. The core is a centralized declaration of error codes; each service layer returns only its own namespace codes, enriched with context information. The article thoroughly explains the design decisions, implementation, lessons learned, and migration strategy, offering valuable practical experience.

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(olivernguyen.io)
Development Error Handling Software Architecture

Effect Systems: Another Perfectly Executed Mistake?

2025-05-10

This article expresses skepticism towards the current hype surrounding effect systems from a seasoned software engineer's perspective. The author argues that effect systems, much like exceptions, suffer from the inherent flaw of dynamic scoping, leading to maintainability and understanding challenges. Instead, the author advocates for static scoping approaches like dependency injection, managing resources and dependencies through parameter passing to create more testable and maintainable systems. Drawing from personal experience, the author illustrates how eliminating dynamic scoping improved team productivity.

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(kjosib.github.io)
Development effect systems dependency injection

Air Pollution Linked to Increased Dementia Risk: A Meta-Analysis

2025-08-09
Air Pollution Linked to Increased Dementia Risk: A Meta-Analysis

A new study published in The Lancet Planetary Health reveals a significant link between long-term exposure to air pollution (PM2.5, nitrogen dioxide, and soot) and an increased risk of dementia. A meta-analysis of data from over 29 million participants found that for every 10 μg/m³ increase in PM2.5, the relative risk of dementia increased by 17%; for every 10 μg/m³ increase in nitrogen dioxide, the risk increased by 3%; and for each 1 μg/m³ increase in soot, the risk increased by 13%. The research highlights the importance of air pollution control for public health and calls for an interdisciplinary approach involving urban planning, transport policy, and environmental regulation to prevent dementia.

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(www.cam.ac.uk)
Tech

Don't Use Cosine Similarity Carelessly!

2025-01-14
Don't Use Cosine Similarity Carelessly!

This article explores the risks of over-relying on cosine similarity for vector comparisons in data science. The author argues that while computationally simple, cosine similarity often fails to capture semantic similarity and can be easily misled by superficial patterns like writing style and typos. The article uses examples to illustrate this problem and proposes several improved methods, including: directly using LLMs for comparison, fine-tuning or transfer learning to create task-specific embeddings, pre-prompt engineering, and text preprocessing. The author emphasizes the importance of choosing appropriate similarity metrics based on specific needs, rather than blindly using cosine similarity.

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(p.migdal.pl)
AI cosine similarity vector comparison

Dormant Volcanoes Hiding Giant Magma Chambers: A Surprising Discovery

2025-02-13
Dormant Volcanoes Hiding Giant Magma Chambers: A Surprising Discovery

Cornell University research challenges the long-held belief that active volcanoes' magma bodies dissipate after eruptions. Using seismic waves, researchers found persistent, large magma chambers beneath six Cascade Range volcanoes, including dormant ones like Crater Lake. This suggests magma bodies exist throughout a volcano's lifespan, not just during active periods. The discovery has significant implications for volcanic monitoring and prediction, highlighting the need for improved monitoring networks.

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(phys.org)
Tech volcanoes magma chambers seismic waves

IMDb Founder Steps Down After 35 Years

2025-01-22
IMDb Founder Steps Down After 35 Years

Col Needham, founder of the Amazon-owned IMDb database, stepped down as CEO after 35 years at the helm. He's succeeded by Nikki Santoro, the former COO, who becomes the first woman to lead the company. Needham will transition to executive chairman. Santoro, with the company since 2016, has overseen expansion of the database and improvements to IMDbPro. This marks a significant transition for IMDb into a new era.

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(techcrunch.com)
Tech CEO transition Tech Company

Post-WWII Highways: Debunking Myths and Unveiling the Truth

2024-12-17
Post-WWII Highways: Debunking Myths and Unveiling the Truth

This article explores key events and misconceptions surrounding the development of highways after World War II. It clarifies that Germany's Autobahn was not initially designed for military purposes, but rather to stimulate the economy and enhance national prestige. While Allied forces utilized the Autobahn in the later stages of WWII, this wasn't its original intent. The article debunks the myth that the US Interstate system was designed with one mile in five being straight and level for emergency bomber landings, explaining its true purpose was civilian benefit and economic development, although it also served military needs, such as troop movement and industrial production. Finally, the article reviews post-WWII attempts and exercises by various militaries to utilize highways as emergency runways for aircraft, highlighting their limitations and ultimate replacement by dedicated airfields.

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(wwiiafterwwii.wordpress.com)
Tech highways WWII

Hanami Core Team Member Peter Solnica Announces Retirement

2024-12-12
Hanami Core Team Member Peter Solnica Announces Retirement

Peter Solnica, a core developer of the Hanami framework, recently announced his retirement from the core team. After two years of reflection, he decided to dedicate more time to his family and pursue a better work-life balance. Solnica expressed gratitude to numerous individuals and organizations that significantly impacted his career, including Lunar Logic, the DataMapper team, and Hanami team members. He stated that while no longer a core team member, he will continue to support Hanami's development and maintain contact with the community. Solnica's retirement doesn't reflect a loss of faith in Hanami, but rather a personal adjustment in time management and life priorities, shifting his focus to family and Elixir development.

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(solnic.dev)
Development Open Source Retirement

Meta's Community Notes: Copying X, But Claiming Algorithmic Superiority

2025-03-14
Meta's Community Notes: Copying X, But Claiming Algorithmic Superiority

Meta announced it will adopt X's (formerly Twitter) Community Notes feature but won't reduce visibility of misleading posts. They claim their algorithm is manipulation-proof, safeguarding against organized campaigns to influence note publication and content. However, previous research suggested X's Community Notes were easily sabotaged by malicious users. Meta admits imperfection and plans to refine its algorithm. X officially welcomed Meta's use of its system.

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(arstechnica.com)
Tech

YC Backs EU's Digital Markets Act, Challenging Big Tech

2025-03-14
YC Backs EU's Digital Markets Act, Challenging Big Tech

Y Combinator, a prominent startup accelerator, surprisingly publicly endorsed the EU's Digital Markets Act (DMA), a law aimed at curbing Big Tech's monopolistic practices. YC argues the DMA, unlike other criticized EU tech regulations, aligns with values promoting American innovation. They cite examples like Apple's delayed AI voice assistant as evidence of a lack of competitive pressure. While less influential in Washington than a16z, YC's public support, alongside other startups and trade associations, puts pressure on the Trump administration. This advocacy aims to unlock opportunities for smaller American firms in AI, search, and consumer apps.

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(techcrunch.com)
Startup

Website Cookie Policy Explained

2025-03-20
Website Cookie Policy Explained

This website uses cookies to optimize its website and service. Technical storage or access is necessary to enable the use of a specific service explicitly requested by the user, or solely for transmitting communication over an electronic communications network. Cookies are also used to store preferences not requested by the user, for statistical purposes (including anonymous statistics), and to create user profiles for advertising or tracking user activity across websites for similar marketing purposes.

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(9to5linux.com)
Misc

Beyond "Let it Crash": Rethinking Error Handling in Elixir

2025-08-10
Beyond

This article critiques the popular "let it crash" philosophy in Elixir programming. While acknowledging its simplification of error handling, the author argues it overlooks crucial aspects like user experience and resource management. The article emphasizes that gracefully handling errors and providing helpful feedback to users is often more important than simply letting a process crash. A more balanced approach is suggested: crashing only when recovery is impossible, and otherwise implementing robust error handling and state representation for improved application robustness and user experience.

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(www.zachdaniel.dev)
Development

Adding Refinement Types to Rust: A Feasibility Study

2024-12-24

This article explores the feasibility of adding refinement types to the Rust programming language. Drawing on experience with YAIOUOM, a static analyzer that used refinement types to check units of measure, the author examines approaches to implementing refinement types within Rust's type system. Several options are proposed, including modifications to trait resolution, type variable unification, and the introduction of a pluggable keyword mechanism for post-compilation type checking. An optimistic approach—ignoring unit information early in compilation and checking later—is deemed more practical. API design and error message handling are discussed. Future work involves gathering feedback, writing a rustc driver supporting plugins, and implementing several refinement types, potentially including a new version of YAIOUOM and subsets of Flux or Liquid Haskell.

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(yoric.github.io)
Development Refinement Types Type System

Ale, Coal, and the Unexpected Origins of the British Industrial Revolution

2025-02-16
Ale, Coal, and the Unexpected Origins of the British Industrial Revolution

This article unravels a little-known origin story of the British Industrial Revolution: German fuel-saving technology. In the mid-16th century, Germany, facing wood shortages, invented the 'wood-saving art,' an indirect heating process that dramatically reduced fuel consumption. This technology, through a series of patents and technological transfers, eventually reached England. Initially adopted by breweries for its cost-effectiveness, it unexpectedly spurred the large-scale use of coal. London's breweries spearheaded this adoption, leading to a surge in coal demand, which in turn propelled coal mining and related industries, ultimately transforming Britain's energy landscape and laying the groundwork for the Industrial Revolution.

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(www.ageofinvention.xyz)
Tech Industrial Revolution technology transfer energy revolution

Developers in the Age of Reasoning AI: Master or Puppet?

2024-12-23
Developers in the Age of Reasoning AI: Master or Puppet?

OpenAI's o3 launch has sparked an identity crisis among developers. o3's ability to generate algorithms like a human developer challenges the traditional developer advantage of abstract logic. The article explores how users, machine learning, and o3 create logic, concluding that o3 mirrors a developer's thought process. The future presents developers with two paths: actively reviewing and refining AI-generated code (proactive), or delegating business problems directly to AI tools (passive). The author advocates for the proactive approach, emphasizing the need for developers to understand and take responsibility for AI-generated logic, lest human reason be superseded by AI.

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(near.tl)
Development Developers o3 Model

Apple's AI Flubs, TikTok's Fate, and More Tech News

2025-01-20

Apple's new AI-powered notification summaries are causing a stir due to inaccuracies, such as misinterpreting a message about a messy child's room as the husband being messy. Apple acknowledges the issue and plans improvements in a future update. Meanwhile, TikTok faces an impending ban, with its fate uncertain. Sonos replaces its CEO following app issues, and Samsung is set to unveil its Galaxy S25 phones. OpenAI introduces a proactive chat feature for ChatGPT, allowing users to schedule messages.

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(techthings.cmail20.com)
Tech

Failed Startups Leave Employees Vulnerable to Data Breaches via Google Logins

2025-01-20
Failed Startups Leave Employees Vulnerable to Data Breaches via Google Logins

A security researcher discovered a critical vulnerability exposing employees of defunct startups to significant data breaches. By acquiring expired domains, attackers can exploit "Sign in with Google" to access company cloud software, potentially stealing Slack messages, Social Security numbers, and bank account details. While Google's OAuth configuration includes safeguards, improper implementation by some SaaS providers leaves the vulnerability exploitable. Tens of thousands of former employees and millions of SaaS accounts are at risk. Google has updated its documentation, advising companies to properly shut down cloud services, but the issue remains unresolved.

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(techcrunch.com)
Tech startups

WhippyTerm: A Modern Terminal for Embedded Developers

2025-05-06

WhippyTerm is a modern terminal program designed for embedded developers. It boasts a modern UI, runs on Windows and Linux, and offers unique features like bookmarks, built-in hex dumps, plugin extensibility, and native binary protocol support. It supports serial communication (RS232, RS485, RS422, TTL UART), TCP/IP, UDP, and I2C/SPI via plugins. It also handles binary protocols in serial streams and message block protocols like UDP, including support for sending binary or ASCII data blocks.

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(whippyterm.com)
Development embedded development terminal program binary protocols

Breaking the 2GB Barrier: Asynchronous I/O for Large Files in WebAssembly

2025-03-04
Breaking the 2GB Barrier: Asynchronous I/O for Large Files in WebAssembly

The author previously implemented setjmp in WebAssembly, bypassing WASI libc's reliance on the exception handling proposal. However, this approach was limited to files smaller than 2GB. This post details how to use the File API and Blob type to create a memory-based filesystem for handling larger files. Since web I/O is asynchronous while system languages are typically synchronous, Asyncify was used to bridge the paradigms. The author encountered optimization issues with wasm-opt, resolving them by creating a dummy wasm-opt. Finally, by cleverly using a volatile function pointer, they bypassed Asyncify's incorrect assumption about the `asyncjmp_rt_start` function, ultimately achieving asynchronous handling of large files.

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(andrews.substack.com)
Development File Handling

Intel's Modular PC Design: A New Approach to E-Waste?

2025-01-23
Intel's Modular PC Design: A New Approach to E-Waste?

Intel has proposed a modular PC design aimed at reducing e-waste by simplifying repairs and upgrades. Current PC designs are typically monolithic, leading to disposal when a component fails or becomes obsolete. Intel's approach allows for easy component replacement, extending device lifespan. Three designs targeting different market segments are proposed: Premium Modular PC, Entry/Mainstream Modular PC, and Desktop Modular PC. While modular PCs aren't new, Intel's proposal directly addresses the growing e-waste problem and aligns with the right-to-repair movement. However, widespread adoption depends on cost-effectiveness and market acceptance.

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(www.theregister.com)
Hardware Modular PC E-waste Right to Repair

NASA's Dragonfly: Key Development Milestones Achieved

2025-09-14
NASA's Dragonfly: Key Development Milestones Achieved

NASA's Dragonfly mission, a car-sized rotorcraft designed to explore Saturn's moon Titan, is progressing smoothly. Recent tests have included aerodynamic analyses of its rotors, durability trials of its insulation in Titan-like conditions, and key science payload component testing. The Goddard Space Flight Center completed testing of a crucial component of the Dragonfly Mass Spectrometer, while APL engineers completed thermal testing of the lander's insulation and its communications systems. Lockheed Martin also passed key milestones for the aeroshell, ensuring a safe entry into Titan's atmosphere. These tests pave the way for Dragonfly's launch in July 2028, ensuring its ability to withstand Titan's extreme environment and successfully conduct its scientific investigations.

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(science.nasa.gov)
Tech Dragonfly

Deep Dive into Hygienic Macros in Scheme

2025-05-08

Scheme's macro system employs a 'hygiene' mechanism to prevent variable name clashes during macro expansion. This article delves into the concept of identifiers in Scheme, which encompass not only a symbolic name but also a lexical context and a historical context. The predicates `bound-identifier=?` and `free-identifier=?` compare identifier equivalence; the former focuses on the interchangeability of bound identifiers after macro expansion, while the latter focuses on free identifiers. The article uses multiple examples to illustrate the differences between these two equivalence relations and the role of historical context in the hygienic macro mechanism. Ultimately, it explains how Scheme uses the historical information of identifiers to ensure macro hygiene and prevent variable name conflicts.

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(mnieper.github.io)
Development

Hurl: Command-Line HTTP Request Testing Tool

2025-06-20
Hurl: Command-Line HTTP Request Testing Tool

Hurl is a powerful command-line tool that defines and runs HTTP requests using a simple plain text format. It supports request chaining, value capturing, and query evaluation on response headers and bodies, making it suitable for data fetching and testing HTTP sessions across various APIs like REST, SOAP, and GraphQL. Built with Rust and leveraging libcurl, Hurl is lightweight, fast, and integrates seamlessly with CI/CD pipelines through various report formats.

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(github.com)
Development

Tig: A Text-Mode Interface for Git

2024-12-17

Tig is an ncurses-based text-mode interface for Git, primarily functioning as a Git repository browser. It also aids in staging changes for commit at the chunk level and acts as a pager for various Git command outputs. Installation instructions, release notes detailing new features and bug fixes, and resources like the homepage, manual, and Q&A section on Stack Overflow are readily available. Bug reports and feature requests can be submitted through the issue tracker or via email.

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(jonas.github.io)
Development command-line interface version control

Muscle Atrophy as We Climb the Kardashev Scale

2024-12-16

As humanity ascends the Kardashev Scale, a paradox emerges: increased energy access correlates with decreased physical labor. The author outlines three biomechanical stages: pre-industrial, where physical exertion was essential; industrial-modern, where machines reduced manual labor; and post-biological, where humans might remotely control robots via brain-computer interfaces, rendering physical bodies obsolete. This raises questions about the future of humanity's physical form and the complex relationship between technological advancement and human evolution.

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(solmaz.io)
Misc Kardashev Scale Biomechanics Future of Humanity

Self-Taught AI Researcher Emil Wallner: An Extraordinary Journey

2025-02-07
Self-Taught AI Researcher Emil Wallner: An Extraordinary Journey

Emil Wallner, a self-taught AI researcher, has an extraordinary life story. From teaching in a rural village in Africa to becoming a machine learning researcher at Google Art & Culture, his career is full of adventure and challenges. He created the popular open-source project Screenshot-to-code, which translates design mock-ups into HTML/CSS, and was featured in a short film by Google for his work on automated colorization. This interview delves into Emil's AI journey, his advice for aspiring self-taught research scientists, and his insights into the future of AI research. He emphasizes the importance of practical experience and building a strong portfolio to gain recognition in the field.

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(floydhub.ghost.io)
AI self-taught research

Programming Languages and Their Killer Domains

2025-05-18

An article argues that every programming language needs a killer app to succeed. The author proposes a refinement: instead of a 'killer app', it's more accurate to say a 'killer domain'. Examples include C for kernels, C++ and Rust for low-level systems programming, Java for business applications and Android, Python for scientific computing and machine learning, and JavaScript for web frontends. The author's experience shows that using a language outside its area of expertise is significantly harder and often impractical.

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(huijzer.xyz)
Development domains

Nintendo Switch 2: Backward Compatibility, but Not Perfect

2025-01-16
Nintendo Switch 2: Backward Compatibility, but Not Perfect

Nintendo released a first-look trailer for the Switch 2, confirming backward compatibility with most existing Switch games, both physical and digital. However, not all Switch games will be fully compatible; details will be shared later. Nintendo Switch Online membership will continue to work on the Switch 2. A deeper look at the Switch 2 will be revealed in a Nintendo Direct presentation on April 2nd, 2025.

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(www.nintendo.com)
Game Nintendo Switch 2 Backward Compatibility

Reverse Engineering Call of Duty's User-Mode Anti-Cheat

2025-01-21
Reverse Engineering Call of Duty's User-Mode Anti-Cheat

This post details a deep dive into TAC, the user-mode anti-cheat in Call of Duty: Black Ops Cold War. The author meticulously reverse-engineered TAC, revealing its sophisticated techniques. These include runtime API lookups, anti-debugging measures (detecting debug registers and test signing mode), API hook detection, external overlay detection, and innovative encrypted custom syscall stubs. The analysis covers TAC's process termination methods, anti-signature scanning, and other anti-debugging tricks. The integration with Arxan code protection further enhances TAC's robustness. This research provides valuable insights into anti-cheat mechanisms and reverse engineering.

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(ssno.cc)
Game anti-cheat game security
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