All Topics

The cluster focuses on discussions of gravitational lensing, where massive objects like black holes bend light from distant galaxies, enabling views of ancient light and phenomena like seeing Earth's past.

The cluster centers on commenters recommending browsers' built-in 'print to PDF' feature as a simple, native solution for saving or exporting web pages, often critiquing proposed alternatives for redundancy.

Comments primarily recommend Qubes OS as a secure Linux operating system using virtualization for compartmentalization and isolation to enhance security. Discussions highlight its features, comparisons, and usability for isolating applications and protecting against threats.

The cluster centers on discussions about the global helium shortage, its non-renewable nature, and debates over wasteful uses like party balloons versus essential applications in cryogenics, medicine, and science.

The cluster focuses on discussions about the impact and success of online petitions, with widespread skepticism on whether they lead to real change, suggestions to start or sign them, and references to specific examples.

The cluster focuses on discussions about intellectual property ownership, sales, transfers, and rights in contexts like company bankruptcies, acquisitions, shutdowns, and settlements, including implications for open-sourcing and legal claims.

Users frequently suggest, inquire about, or discuss using Amazon Mechanical Turk for crowdsourcing microtasks like data entry, labeling, research participation, and other manual work in tech projects.

The cluster consists of repeated references to the adage 'If you're not paying for the product, you are the product,' discussing its application to free services where users' data becomes the monetized commodity instead of customers.

HN users discuss discovering their websites, often WordPress-based, have been compromised via vulnerabilities, leading to malware injection, defacements, and Google Safe Browsing flags.

Discussions center on Distributed Hash Tables (DHTs), especially BitTorrent's DHT for decentralized peer discovery in P2P networks, covering bootstrapping, security risks like poisoning, and comparisons to protocols like Kademlia or Chord.

The cluster debates the proper use of assert macros, especially in C, questioning whether they should be enabled in production builds for invariant checks or limited to debug mode, versus using regular runtime checks for errors.

The cluster debates whether public libraries removing or not stocking certain books constitutes censorship or banning, versus legitimate curation decisions, amid discussions of political attacks on libraries and comparisons to book sales.

The cluster discusses personal experiences and anecdotes about VHS tapes, including issues like tapes getting chewed by VCRs, rewinding annoyances, Betamax vs VHS format wars, and nostalgia for retro video technology.

Cluster focuses on Medicaid eligibility, coverage for low-income and unemployed individuals, state variations especially ACA expansion refusals, and what services it provides like drugs and preventive care.

Discussions center on native SQLite support in web browsers, the deprecation of WebSQL in favor of IndexedDB, and alternatives like WASM-based SQLite implementations for client-side persistence.

Discussions center on the skin color, ancestry, and racial composition of ancient populations like Europeans, Britons (Cheddar Man), and Egyptians, debating claims they were black and implications for modern race concepts and racism.

The cluster focuses on discussions advocating for Rust's Result type (and equivalents like Haskell's Either or Swift's Result) as superior for error handling compared to exceptions, tuples, or other methods, emphasizing compiler-enforced handling and practical examples.

The cluster focuses on discussions of corrupt or biased judges, abuse of judicial power, and systemic issues in the legal system, including elected judges and their perverse incentives.

This cluster revolves around comments that are deleted by users or moderators, including notices of deletion, reasons for deletion like mistakes or moderation, and references to deleted content.

The cluster revolves around commenters challenging assumptions that treat families as small (e.g., one or two children), emphasizing that many families have multiple children and highlighting implications for housing, vehicles, costs, and lifestyle.

Comments debate whether a visualization or graph uses a logarithmic scale versus linear, advocating log scales for better representation of exponential data or wide ranges.

The cluster focuses on discussions of social engineering as a form of hacking or security threat, debating its legitimacy compared to technical exploits and sharing examples of its effectiveness.

Users troubleshoot monitor connection problems like flickering, EDID failures, and resolution glitches, frequently recommending switching from HDMI to DisplayPort cables or adapters for reliability.

The cluster centers on criticisms of politicians and lawmakers lacking technical knowledge, particularly in technology and science, when legislating on those topics, and debates whether they should delegate to experts, aides, or face issues like lobbyist influence and corruption.

The cluster focuses on India's Unified Payments Interface (UPI), praising its revolutionary instant, free, and widespread digital payment system that enables P2P and merchant transactions via QR codes or phone numbers, often contrasting it with slower, costlier US systems like Venmo or ACH.

Comments discuss celiac disease, non-celiac gluten sensitivity, personal experiences with gluten intolerance symptoms, and debates over whether gluten-free diets are medically necessary or a fad.

Comments reference historical military figures like Smedley Butler, Eisenhower, McNamara, and Rumsfeld, critiquing war profiteering, the military-industrial complex, and defense policy mistakes.

The cluster centers on debates about race-swapping, diverse casting, and accusations of 'woke' changes in media adaptations like Lord of the Rings, Hunger Games, Doctor Who, and others, including discussions on historical accuracy, stereotypes, and forced representation.

This cluster consists of comments pointing out that a statement was intended as sarcasm but forgot the '/s' indicator, with users hoping it was not meant seriously.

Cluster focuses on the challenges of counting and handling Unicode strings correctly, debating grapheme clusters versus code points or bytes for accurate character length in programming languages like Swift, JavaScript, and Python.

The cluster centers on debates over whether a specific joke perpetuates racial stereotypes or is merely satirical humor targeting racists and stereotypes. Commenters argue about the boundaries between ironic racism, offensive content, and acceptable comedy.

Commenters frequently reference Vietnam as an example of rapid economic development, effective COVID-19 response despite bordering China, and internet challenges, often countering negative assumptions about developing countries.

Discussions center on redefining SI base units like the meter, second, and kilogram using fundamental physical constants such as the speed of light and Planck's constant, including debates on arbitrariness, historical definitions, and implications for measurement.

Commenters use pizza delivery as a humorous or illustrative analogy for the discussed technology, comparing it to services like Domino's, drone delivery, and innovative logistics models.

Comments primarily recommend books like Gary Taubes' 'Good Calories, Bad Calories', Peter Attia's podcasts and blogs, and other resources on low-carb diets, metabolic health, fasting, and critiques of mainstream calorie-focused nutrition advice.

Comments debate the mechanics, fairness, and reform of the US cash bail system, highlighting wealth disparities, flight risks, and pretrial detention issues, often referencing SBF's case.

Comments discuss webhook implementations, support in products and APIs, challenges like reliability and retries, and promotions for specialized services such as Svix, Hookdeck, and webhook.site.

The cluster debates the extent of genetic differences between racial and ethnic groups versus within-group variation, including discussions on face recognition across races, human genetic homogeneity, and implications for group distinctions.

The cluster primarily consists of repetitions and variations of the adage 'In theory, there's no difference between theory and practice. In practice, there is,' emphasizing the gap between theoretical ideals and real-world application. Sample comments extend this to discussions on scientific theories, hypotheses, and practical implementation in fields like programming and academia.

The cluster centers on debates about Marissa Mayer's tenure as Yahoo CEO, including her Google background, hiring to revive the company, criticisms of her decisions like ending remote work and acquisitions, defenses of her performance amid Yahoo's decline, and stock valuation changes.

Discussions center on company expense accounts, what items like travel and meals can be expensed or reimbursed, reimbursement processes, policies, and potential for abuse.

Users share personal naming conventions for computers, servers, and devices, ranging from fun themes like fictional characters, Star Wars planets, rivers, and Pokemon to functional role-based or sequential names, debating cute vs. practical approaches.

The cluster centers on discussions about feature flags (or toggles), including their uses for gradual rollouts, A/B testing, and continuous delivery, recommended tools like LaunchDarkly and Unleash, and debates on implementation, alternatives, and best practices.

The cluster focuses on discussions about Cross-Site Request Forgery (CSRF) attacks, including the use of CSRF tokens, SameSite cookies, and comparisons to CORS and other mitigations.

Discussions debate whether social interactions, experiences, or activities discussed in the parent post can be effectively replicated online or require in-person, offline equivalents.

Cluster focuses on recommendations, links, and discussions about detailed manuals and documentation for CPU architectures like Intel's SDM, ARM, and others, including requests for low-level hardware specs and architecture references.

Comments primarily ask about the technology stack used in the discussed project or article, with some expressing frustration or sarcasm about the repetitive focus on stacks.

The cluster focuses on comparisons between peer-to-peer betting exchanges like Betfair, where the platform takes a commission regardless of outcomes, and traditional sportsbooks that adjust odds, ban winning bettors, or limit stakes to ensure profitability.

Discussions explore hypothetical scenarios of rebuilding modern computers, manufacturing tools, and civilization from raw materials if existing infrastructure vanished, emphasizing supply chain complexities and required knowledge.

The cluster focuses on historical examples of scientists, particularly women like Rosalind Franklin, Jocelyn Bell, and Donna Strickland, who made key contributions to major discoveries but received little or no recognition, often in Nobel prizes or publications.

Comments discuss the misconception that rare earth elements are scarce, emphasizing their abundance but challenges in mining and refining due to high costs, pollution, and regulations, with China dominating production.

Comments debate the stability of Linux's kernel ABI, which is intentionally stable by design according to Linus Torvalds' policy, contrasted with unstable userland ABIs and comparisons to other OSes like Windows, BSD, and macOS where stability priorities differ.

Discussions center on TLA+ as a formal specification language, its practical usefulness for verifying system designs especially in distributed systems, user experiences, limitations, and comparisons to tools like Coq, TLC, and PlusCal.

The cluster discusses the violent history of labor disputes in the US, including company goon squads, Pinkertons, and events like the Ludlow Massacre and Homestead Strike that led to modern labor laws.

Comments primarily suggest using official Wikipedia database dumps, Wikidata, DBPedia, and tools like Kiwix for offline access instead of scraping Wikipedia.

This cluster features posts from experienced Android developers advertising their skills in Java, Kotlin, and related technologies, seeking remote, freelance, or full-time opportunities, often with resumes and locations provided.

Discussions center on citation counts, h-index, impact factors, and similar metrics for evaluating academic papers and researchers, including issues like gaming, citation rings, and proposals for alternatives such as PageRank-like systems.

Comments discuss experiences, comparisons, and migrations between AWS Elasticsearch/OpenSearch, Elastic.co's managed service, self-hosting, focusing on performance, support, costs, maintenance challenges, and licensing issues.

The cluster discusses the differences between the OSI 7-layer model and the TCP/IP model, confusions in mapping protocols across layers, and criticisms of using OSI terminology for internet networking stacks.

The cluster focuses on discussions about Effective Altruism (EA), including its principles of maximizing charitable impact, criticisms of it as scammy or misguided, defenses of its concepts, and links to related organizations.

Users debate the meaning, validity, and application of postmodernism in response to a comment or article, frequently questioning definitions, critiquing its use as a rhetorical tool, and relating it to broader philosophical or cultural contexts.

Discussions revolve around Anthropic's AI capabilities, business practices, reliability issues like usage limits and downtime, and direct comparisons to OpenAI and other competitors.

This cluster revolves around users' preferences and experiences with accelerating video and audio playback speeds (e.g., 1.5x or 2x) on YouTube and other platforms to save time, handle slow speech, and maintain attention.

This cluster discusses Pixar's origins as a hardware company, its pivot to animation under Steve Jobs, technological innovations like RenderMan and USD, and its influence on the animation and VFX industry alongside studios like Disney and ILM.

The cluster focuses on discussions about Bitcoin and crypto futures trading on regulated exchanges like CME and CBOE, including shorting strategies, cash settlement, price impact on spot markets, and comparisons to direct Bitcoin trading.

Comments in this cluster repeatedly label airport and TSA security measures as 'security theater', criticizing them for creating a false sense of security without meaningfully improving safety.

The cluster centers on discussions about RethinkDB's viability, user experiences in production, its perceived status as 'dead' or underrated, and hopes for continued development or revival.

The cluster discusses EU regulations like Protected Designation of Origin (PDO) that tie product names such as Champagne, Feta, and Parmesan to specific regions and traditional methods, contrasting with laxer US practices and debating protectionism versus quality assurance for consumers.

The cluster focuses on discussions about mandatory or forced binding arbitration clauses in consumer contracts, terms of service, and their implications for lawsuits, class actions, opt-out options, and Supreme Court rulings.

Discussions revolve around Drupal's strengths and weaknesses as a CMS/framework, including its codebase quality, developer experience, complexity, scalability, and comparisons to WordPress and other platforms like Joomla.

Cluster focuses on Windows' support for forward slashes (/) as path separators alongside backslashes (\), cross-platform compatibility, and recommendations to use forward slashes for better portability across Windows and Unix-like systems.

Discussions compare individual contributor (IC) and management roles in tech careers, focusing on transitions between them, required skills, compensation, stress levels, and scaling impact.

The cluster focuses on discussions of various methods to compute Fibonacci numbers efficiently, including matrix exponentiation for O(log n) time, closed-form Binet's formula, memoization, dynamic programming, and critiques of naive recursive implementations with exponential complexity.

The cluster centers on discussions about Turkey's official request to use 'Türkiye' instead of 'Turkey' in English, including jokes confusing it with the bird, opinions on compliance, and links to Wikipedia and news sources.

This cluster centers on discussions clarifying Qt's licensing model, debating whether a commercial license is needed for proprietary or closed-source applications, and explaining LGPLv3 terms allowing free commercial use with conditions like dynamic linking and source availability for modifications.

Discussions center on whether 'just following orders' or 'superior orders' is a valid legal or moral excuse for unethical or illegal actions, frequently referencing Nuremberg trials, military law, and historical precedents.

The cluster centers on discussions of the extremely high conviction rates (often 95-99%) in the US criminal justice system, particularly federal prosecutions, attributing them to selective case pursuit by prosecutors and widespread plea bargains, while debating implications for fairness, innocence, and systemic issues.

Comments primarily recommend 'The Dawn of Everything' by David Graeber and David Wengrow as a nuanced alternative to popular human history books like Sapiens by Harari and Guns, Germs, and Steel by Diamond, challenging conventional narratives on societal development.

Discussions center on swatting, the act of making false emergency calls to trigger SWAT or heavy police responses at a target's home, debating its dangers, police overreactions, low thresholds for SWAT deployments, and broader US policing issues.

Discussions center on parents purchasing expensive toys, gadgets, and games like Game Boys, Tamagotchis, LEGO kits, and Roblox cards for their children, with nostalgic stories about childhood desires, affordability, and parental decisions.

The cluster focuses on discussions about whether AI, particularly LLMs, can achieve recursive self-improvement by suggesting and implementing enhancements to itself, with debates on its feasibility, implications for AGI, and potential risks like rapid intelligence explosion.

This cluster centers on comparisons between SQLAlchemy and Django's ORM, with users frequently recommending SQLAlchemy as a more powerful and flexible alternative for complex database queries in Python applications.

The cluster revolves around debates on fraud in government welfare, unemployment, and social benefits systems, including trade-offs between preventing abuse and ensuring access for legitimate claimants, with frequent mentions of means-testing pitfalls and universal basic income as a solution.

The cluster debates the role of elite university backgrounds (e.g., Harvard, Stanford, MIT) in securing YC acceptance and VC funding for startup founders, questioning biases toward pedigree versus merit and traction.

The cluster focuses on the US tax rule of step-up in basis at death, which allows heirs to inherit appreciated assets at current market value, avoiding capital gains taxes on lifetime gains, often discussed in contexts of borrowing against stocks, estate debts, and inheritance strategies.

The cluster discusses the Toyota Production System (TPS), lean manufacturing principles such as Kaizen, Kanban, and autonomation, their roots in Deming's quality methods, and applications to manufacturing quality control and sometimes software processes.

This cluster centers on discussions recommending PostGIS and PostgreSQL for geospatial data storage and queries, with comparisons to alternatives like SQLite and DuckDB, and questions about spatial support in various tools.

Discussions affirm the reality of the Y2K bug and the massive efforts to fix it, while highlighting the upcoming Year 2038 problem as a similar time_t overflow issue in 32-bit systems.

This cluster debates the health benefits and superiority of breastfeeding over formula for infants, including maternal challenges, situations where breastfeeding isn't feasible, and societal pressures around infant feeding choices.

The cluster centers on debates about ligatures in monospace programming fonts, discussing whether they enhance code readability for operators like != or >=, or cause confusion and editing issues.

Discussions center on shell tools like zoxide, z, and autojump for fuzzy directory jumping based on usage history, along with bash/zsh features like pushd/popd, cd -, and CDPATH for efficient navigation.

Discussions center on Tetris implementations, clones, variants like Not Tetris and TGM, the Tetris effect, competitions, and related gaming experiences in response to a post featuring a Tetris-like game.

Cluster centers on debates about Ruby on Rails' ActiveRecord ORM, questioning if it's an anti-pattern, praising its ease for simple cases, criticizing it for complex queries, and comparing to alternatives like Ecto or raw SQL.

Commenters compare a personality assessment tool or dating app feature to astrology, dismissing it as pseudoscientific nonsense akin to horoscopes and zodiac signs.

This cluster centers on recommendations for web application security, with users repeatedly suggesting the OWASP Top 10 list, cheatsheets, and related resources as key starting points for developers.

Discussions center on affordable oscilloscopes, logic analyzers, and related test equipment for hobbyists and electronics enthusiasts, with recommendations for models like Rigol DS1054Z, Digilent Analog Discovery, and Picoscope.

Discussions center on US interest in purchasing or annexing Greenland from Denmark, including threats of invasion, NATO implications, Greenlanders' opposition, and geopolitical motivations like resources and Arctic strategy.

Comments focus on the feasibility, current status, and examples of artificial self-replicating machines like robots, von Neumann probes, and nanomachines, drawing parallels to biology and discussing technological challenges.

The cluster discusses debates over interpreting the US Constitution, contrasting originalism and textualism with living document approaches, and the Supreme Court's role in defining its meaning through precedents rather than literal text.

This cluster features repetitive spam comments advertising illegal hacking services, primarily for spying on cheating spouses, changing school grades, clearing criminal records, and accessing emails or social media.