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Tackling Dependency Management Challenges in Common Lisp's Metaobject Protocol

2025-03-01

This article details the author's experience tackling dependency management challenges while working on a Common Lisp library utilizing the Metaobject Protocol (MOP). Through a monitored-class example, the author demonstrates how to elegantly leverage CLOS's Dependent Maintenance Protocol to ensure that subclass monitoring functionality remains consistent even when superclasses are redefined. The article thoroughly explains the use of dependency wrappers and update-dependent methods to guarantee subclasses always inherit the latest monitoring capabilities, even after superclass redefinitions. This is a practical case study of efficient interactive development in Common Lisp, showcasing the language's powerful metaprogramming capabilities and its robust support for interactive development.

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(stevelosh.com)
Development Metaobject Protocol

Rust Ring Buffers: A Deep Dive

2025-02-20

While working on a MIDI project, the author needed a way to store recent messages without unbounded memory growth. A ring buffer proved to be the solution. This post explains ring buffers, their functionality, and use cases. It compares Rust's standard library `VecDeque` with third-party libraries like `circular-buffer` and `ringbuffer`. `VecDeque` offers flexibility but resizes dynamically; fixed-size alternatives like `circular-buffer` and `ringbuffer` avoid reallocation overhead but are less flexible. The author concludes that for fixed-size needs, third-party libraries save development time and effort.

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(ntietz.com)
Development Ring Buffer

Don't Roll Your Own Crypto: Why Developers Keep Failing at Encryption

2025-02-01
Don't Roll Your Own Crypto: Why Developers Keep Failing at Encryption

Developers often mistakenly believe that using lower-level cryptography libraries avoids the risks of 'rolling their own crypto.' This article argues that many developers misunderstand cryptography, and even using existing libraries doesn't guarantee security if mistakes are made in protocol design or key management. The author presents real-world examples and stresses the importance of robust key management and the need for developers to deeply understand and have expert review of their cryptographic implementations.

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(soatok.blog)
Development

arXivLabs: Experimenting with Community Collaboration

2025-06-08
arXivLabs: Experimenting with Community Collaboration

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

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(arxiv.org)
Development

Hadrius Hiring Founding UI/UX Designer, Up to $150K

2024-12-18
Hadrius Hiring Founding UI/UX Designer, Up to $150K

Hadrius, a Y Combinator-backed fintech startup, is hiring a Founding UI/UX Designer. They're using AI to automate the back office for financial firms, preventing future financial crises. The role is full-time in New York City, offering $80K-$150K salary and 0.01%-0.15% equity. The ideal candidate is a highly skilled designer with experience at a design-focused tech company, proficient in Figma, and passionate about Hadrius's mission. The team boasts engineers from Google, Chime, and other top companies, and the company is experiencing hyper-growth, doubling revenue every three months.

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(www.ycombinator.com)
Development UI/UX Design

The Secret Language of Movie Poster Colors: A Data-Driven Analysis

2025-09-15
The Secret Language of Movie Poster Colors: A Data-Driven Analysis

An analysis of nearly 60,000 movie posters reveals a fascinating correlation between film genre and color palette. Orange emerges as the most frequently used color, often paired with yellow in comedies, adventures, and family films to evoke warmth and fun. Action, sci-fi, and thrillers utilize the contrast between orange and blue to emphasize spectacle and conflict. Red is prevalent across horror, action, and romance, but its meaning shifts depending on context. Blue frequently represents oceanic or atmospheric settings, while green dominates in animation, family, and adventure films. Purple and pink often signal unconventional films, highlighting their unique style. This research provides data-backed insights for movie poster design, revealing the patterns of color usage across different genres.

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(stephenfollows.com)
Design movie posters color analysis film genre

Germany Rejects Taurus Cruise Missile Delivery to Ukraine

2025-03-25

The German parliament rejected a proposal to supply Ukraine with Taurus cruise missiles. The proposal urged the government to provide missiles, assist in integrating them into Ukrainian aircraft, train Ukrainian soldiers, remove obstacles to information sharing, replenish the Bundeswehr's equipment, increase industrial production capacity, and procure more missiles. The decision likely reflects concerns about escalating the conflict and the potential uses of the missiles.

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(abstimmung.eu)
Tech Ukraine Taurus Cruise Missile

Apple Account Locked: A Nightmare Caused by an Unpaid Apple Card

2025-05-18
Apple Account Locked: A Nightmare Caused by an Unpaid Apple Card

The author's Apple Card autopay failed due to a bank account change, resulting in overdue payments. Apple subsequently locked his App Store, iCloud, Apple Music, and Apple ID accounts. This incident highlights Apple's extreme measures in handling billing issues, lacking communication and transparency, causing significant user frustration. Although accounts were eventually unlocked, the process took days, and customer support failed to effectively resolve the issue, showcasing Apple's shortcomings in customer service.

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(dcurt.is)
Tech Account Security

Ludum Dare Cancels 2025 Events

2025-01-15

Mike, the founder of Ludum Dare, announced the cancellation of all 2025 events due to a confluence of financial, health, and family issues requiring his immediate attention. He needs to focus on finding work and addressing personal matters. This isn't the end of Ludum Dare, but a temporary hiatus. Mike cites difficult circumstances and apologizes for any inconvenience. Updates will be posted on the official Ludum Dare BlueSky account.

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(ludumdare.com)
Game event cancellation

Telegram's Security Flaw: A Russian Network Engineer's Secret Ties to the Kremlin

2025-06-10
Telegram's Security Flaw: A Russian Network Engineer's Secret Ties to the Kremlin

A new investigation reveals a critical vulnerability in Telegram, the wildly popular messaging app. It finds that the maintenance of Telegram's networking equipment and assignment of its IP addresses are controlled by a virtually unknown Russian network engineer, Vladimir Vedeneev. Vedeneev's companies have close ties to Russian security services, having served clients including the FSB. While there's no evidence of direct government data sharing, it raises serious questions about Telegram's claims of security and privacy, especially given its default lack of end-to-end encryption. This discovery highlights how even seemingly secure messaging apps can be vulnerable to exploitation.

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(istories.media)
Tech

Top 100 Software Engineering Talks of 2024

2025-02-12
Top 100 Software Engineering Talks of 2024

This list compiles the 100 most-watched software engineering talks from nearly every major conference worldwide in 2024. Topics range from practical applications of large language models and high-performance techniques in Rust and Java, to best practices in modern web development and reliability engineering. Standout talks include Jodie Burchell's insightful look at LLMs and Martin Thwaites' explanation of OpenTelemetry, both exceeding 130,000 views. This curated list offers a valuable resource for software engineers seeking to expand their knowledge and skills.

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(www.techtalksweekly.io)
Development Tech Talks GOTO Conference

Chrome's New `<permission>` Element: A Declarative Approach to Web Permissions

2025-06-15
Chrome's New `<permission>` Element: A Declarative Approach to Web Permissions

The Chrome permissions team is experimenting with a new declarative HTML `` element to simplify how web apps request powerful features like location access. Traditional imperative methods suffer from permission spam, poor contextualization, and difficulty in revoking permissions. The `` element offers a more secure and user-friendly approach, allowing developers to declaratively request permissions while the browser dynamically updates the element's text based on user interaction and provides clear permission management. Currently in origin trial in Chrome 126, it aims for standardization.

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(developer.chrome.com)
Development Permission Management

Amazon Cloud Chief: Replacing Junior Workers with AI is 'One of the Dumbest Things'

2025-08-20
Amazon Cloud Chief: Replacing Junior Workers with AI is 'One of the Dumbest Things'

Amazon's cloud chief, Matt Garman, warns against replacing junior employees with AI, calling it "one of the dumbest things I've ever heard." He argues that junior employees are the most adept at utilizing AI tools and that cutting them would harm future talent pipelines. Garman advocates for continued hiring of graduates and training them in software development, problem-solving, and best practices. He emphasizes that critical thinking, creativity, and adaptability are more valuable than specialized skills in an AI-driven economy. This contrasts with some who believe AI can replace junior workers; data shows rising unemployment among 20-30 year olds in tech. However, others argue that young engineers offer fresh perspectives and quicker AI adoption.

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(finance.yahoo.com)
Tech

Mr. Beetle's Infidelity and Retribution: A Bug's Life Gone Wrong

2025-04-03
Mr. Beetle's Infidelity and Retribution: A Bug's Life Gone Wrong

Bored with his marriage, Mr. Beetle visits a nightclub and elopes with a beautiful dragonfly dancer. A vengeful grasshopper, however, films their affair and reveals it to Mrs. Beetle, leading to domestic violence and imprisonment. This darkly comedic tale satirizes marital infidelity and the cyclical nature of revenge, ending with a prediction of a less exciting future for the Beetle couple.

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(publicdomainreview.org)
Game dark comedy revenge

Apple's MIE: Unprecedented Memory Safety

2025-09-10
Apple's MIE: Unprecedented Memory Safety

Apple has unveiled Memory Integrity Enforcement (MIE), a five-year culmination of hardware and software advancements. MIE combines Apple silicon's strengths with advanced OS security, delivering always-on memory safety protection across devices without performance compromise. Using Enhanced Memory Tagging Extension (EMTE) in synchronous mode and secure allocators, MIE significantly enhances iOS security, disrupting sophisticated malware attacks and representing a landmark upgrade to consumer OS memory safety.

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(security.apple.com)
Tech

Optimal Image Resolution for Printing: Debunking the 300PPI Myth

2025-07-28

This article delves into the optimal practices for printing image resolution. While the conventional wisdom suggests 300PPI is sufficient, the author argues this overlooks viewing distance and human eye resolution. Using formulas and real-world examples, the article demonstrates how to calculate the appropriate PPI based on viewing distance, highlighting that in the modern era of high-resolution cameras, higher PPI is necessary to fully leverage lens capabilities and achieve optimal print quality. Ultimately, the author encourages readers to experimentally determine their own eye resolution to achieve the best print settings for their individual needs.

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(maurycyz.com)
Design image resolution

Optimizing a Rust AV1 Decoder: Avoiding Unnecessary Zeroing and Optimizing Struct Comparisons

2025-05-22
Optimizing a Rust AV1 Decoder: Avoiding Unnecessary Zeroing and Optimizing Struct Comparisons

By comparing the performance of the Rust-based AV1 decoder rav1d and the C-based dav1d, the author, using a sampling profiler, identified two performance bottlenecks. The first was unnecessary zeroing of a buffer in rav1d on ARM architecture, leading to performance degradation. The second was an inefficient implementation of struct comparisons in rav1d. By using `MaybeUninit` to avoid unnecessary zeroing and optimizing struct comparisons, the author improved rav1d's performance by almost 2%.

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(ohadravid.github.io)
Development AV1 Decoder

C# 14's Null-Conditional Assignment Operator: A Farewell to Redundant `if` Statements

2025-09-18
C# 14's Null-Conditional Assignment Operator: A Farewell to Redundant `if` Statements

C# 14 introduces a game-changing feature: the null-conditional assignment operator. This elegantly solves the long-standing problem of NullReferenceExceptions in C#. Previously requiring multiple `if` statements to check for null values, assignments are now streamlined to a single line, dramatically improving code readability and reducing verbosity. For instance, `config?.Settings?.RetryPolicy = new ExponentialBackoffRetryPolicy();` replaces cumbersome `if` checks. While the operator doesn't support increment/decrement operators and overuse should be avoided, it's a valuable addition in C# 14, worth exploring once .NET 10 is released.

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(blog.ivankahl.com)
Development Null-Conditional Assignment

AI Training Bots Overwhelm Cultural Institutions

2025-06-17
AI Training Bots Overwhelm Cultural Institutions

A surge in bots harvesting data for AI training is overwhelming cultural institutions like museums and archives. A survey of 43 organizations reveals that aggressive bots, often exceeding robots.txt guidelines, are causing website slowdowns and outages. The problem is so severe that it's threatening the accessibility of digital collections. The report calls on AI companies to develop more responsible data acquisition methods, as cultural institutions lack the resources to endlessly fight back against this.

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(www.theregister.com)
Tech

Cannabis Use Quadruples Type 2 Diabetes Risk: Shocking Findings from 4 Million Adult Study

2025-09-14
Cannabis Use Quadruples Type 2 Diabetes Risk: Shocking Findings from 4 Million Adult Study

An analysis of real-world data from over 4 million adults reveals a nearly fourfold increased risk of developing diabetes among cannabis users. The study, presented at the European Association for the Study of Diabetes annual meeting, found cannabis users were almost four times more likely to develop diabetes than non-users. While further research is needed to fully understand the link, the findings highlight the critical need for integrating diabetes risk awareness into substance use disorder treatment and for healthcare professionals to routinely assess cannabis use. Limitations include the retrospective study design and potential reporting biases in electronic health records, but the results remain concerning and underscore the need for more research into the long-term health effects of cannabis.

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(medicalxpress.com)
Tech health risk

Client-Side Bot Detection: A JavaScript Crash Course (That You Shouldn't Use)

2025-05-10
Client-Side Bot Detection: A JavaScript Crash Course (That You Shouldn't Use)

A recently discovered Chromium bug allows a short JavaScript snippet to crash headless browsers like Puppeteer and Playwright. While seemingly ideal for client-side bot detection, this article dissects the vulnerability, explores its weaponization potential, and ultimately argues against production use. Although effective in crashing bots, the method negatively impacts user experience, creates side effects, and is easily circumvented. The authors advocate for quiet, performant, and resilient bot detection strategies.

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(blog.castle.io)
Development browser vulnerability

Drone Delivery: Revolutionizing Logistics with Amazon Prime Air?

2025-08-11
Drone Delivery: Revolutionizing Logistics with Amazon Prime Air?

This article reviews research on drone delivery, focusing on Amazon Prime Air, encompassing technological feasibility, cost-benefit analyses, regulatory frameworks, and environmental impact. Studies suggest drone delivery has the potential to improve efficiency and reduce costs, but challenges remain, including technological limitations, safety concerns, and regulatory hurdles. The article also explores related issues such as urban logistics planning, warehouse location optimization, and the broader societal and environmental implications of drone delivery.

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(etrr.springeropen.com)
Tech

Shocking: Nearly 1 in 10 People Use the Same Four-Digit PIN

2025-01-28
Shocking: Nearly 1 in 10 People Use the Same Four-Digit PIN

Analysis of 29 million PINs reveals that nearly one in ten people use the same four-digit PIN, with '1234' being the most popular. Researchers found people favor birthdays, repeating digits, or sequential numbers on the keypad, making these PINs easily guessable. The findings highlight a widespread security vulnerability in PIN selection, urging users to adopt stronger PINs for enhanced personal data protection.

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(www.abc.net.au)
Tech PIN

Apple and Amazon's AI Miscalculation: A Cultural Quagmire

2025-08-18
Apple and Amazon's AI Miscalculation: A Cultural Quagmire

This article argues that Apple and Amazon's corporate cultures are hindering their progress in the AI revolution. Amazon is betting on AI becoming a commoditized market like cloud computing, while Apple remains overly reliant on the iPhone, neglecting the rapid advancements in AI. This strategy stems from the 'innovator's dilemma,' making it difficult for them to abandon their existing successful businesses and seize the opportunity to become AI leaders. The author contends that changing corporate culture is harder than changing the game, and with Nvidia and OpenAI already holding significant leads, Apple and Amazon face an uphill battle.

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(gmays.com)
Tech Corporate Culture Innovator's Dilemma

Improved Ollama Model Atom Feed Scraper with Gemini 2.5 Pro

2025-03-26

This post details the creation of a GitHub Actions and GitHub Pages powered Atom feed scraping recent model data from Ollama's latest models page. Initially built using Claude to convert HTML to Atom, the script was refined using Google's Gemini 2.5 Pro. The upgrade splits the output into two feeds: one containing all models and another with only the most recent 20, improving efficiency and usability.

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(simonwillison.net)
Development model scraping

Lisp: A Creative Medium for Programmers

2025-06-15

This essay argues that Lisp is not just a programming language, but a creative medium for programmers, akin to writing or art. The author contends that good programming, like writing, involves exploration and discovery, followed by refinement of the presentation. Lisp's dynamic nature makes it ideal for experimentation and iteration, allowing programmers to adjust and improve their code much like a writer revises a manuscript. Using examples like mapmaking and writing, the author illustrates the interplay between discovery and refinement, criticizing the performance-first approach to programming language design as hindering creativity and flexibility. The author advocates for a more flexible and exploratory approach to software development, echoing the spirit of Agile methodologies.

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(www.dreamsongs.com)
Development Programming Paradigm

Software is Eating the World…But at What Cost?

2025-01-06
Software is Eating the World…But at What Cost?

A seasoned software developer with 43 years of experience reflects on Marc Andreessen's famous assertion, "Software is eating the world." Having retired to run two brick-and-mortar businesses, he offers a sobering counterpoint. He details how software companies prioritize profit over user experience, citing examples of exploitative pricing models, poorly designed interfaces, and algorithms designed to create conflict. He argues that the "digital revolution" has become a parasitic force, harming small businesses and eroding human connection, and calls for a re-evaluation of the industry's priorities.

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(medium.com)
Startup software industry digital revolution

Facebook Admits Error in Linux Group Censorship

2025-02-02
Facebook Admits Error in Linux Group Censorship

Facebook has admitted that its heavy-handed censorship of Linux groups and topics was a mistake. Following reports earlier this week about the censorship of DistroWatch, a popular Linux distribution website, Facebook confirmed the error and stated the issue had been resolved. However, inconsistencies remain, with DistroWatch's Facebook page still showing access limitations. The incident highlights Facebook's ongoing struggles with content moderation and raises questions about its new community-based approach.

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(www.tomshardware.com)
Tech

Missile Software's 'Null Garbage Collector': Memory Leaks? Not a Problem!

2025-02-07
Missile Software's 'Null Garbage Collector': Memory Leaks? Not a Problem!

A developer recounts a clever application of a 'null garbage collector' in missile software. Because of the limited flight time and ample hardware memory, memory leaks in the program weren't a concern. Engineers calculated the potential memory leakage during flight and added double that amount of memory to ensure the program wouldn't crash before mission completion. This approach cleverly leveraged the program's runtime constraints, effectively solving the memory leak issue—a kind of 'ultimate garbage collection'.

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(devblogs.microsoft.com)
Development memory leaks garbage collection
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