Replacement.ai

https://replacement.ai/_astro/hero-section-image-4.CUdyKriX_ZYSd3c.webp
Replacement.AI is building superhuman AI to replace humans in all tasks, citing cost savings and shareholder interests. Their first product, HUMBERT, is a large language model for kids that replaces human interaction and parental responsibilities.

Doing well in your courses: Andrej's advice for success (2013)

Get good grades by studying in advance, attending tutorials, and using effective study habits, but don't overdo it and remember that grades are not the only thing that matters. Focus on gaining real-world experience, getting involved in projects and research, and building a reputation as a driven and motivated individual to increase your chances of success.

OpenAI researcher announced GPT-5 math breakthrough that never happened

https://the-decoder.com/wp-content/uploads/2025/06/ai_maths.png
OpenAI researchers made a major math breakthrough claim on GPT-5 that was later walked back due to criticism from the community. GPT-5 actually proved useful as a research tool for tracking down academic papers, not solving tough open problems.

Novo Nordisk's Canadian Mistake

Richard Saynor, head of Sandoz, discussed the generics industry and its unique challenges, including fierce competition and complex IP issues. Novo's patent for semaglutide lapsed in Canada due to unpaid fees, leaving a huge market open for generics.

Xubuntu.org Might Be Compromised

User needs to register or sign in with developer credentials and ensure a unique User-Agent string to access the application. Alternatively, try resetting to default User-Agent or file a ticket for assistance.

Airliner hit by possible space debris

https://avbrief.com/wp-content/uploads/2025/10/Screenshot-2025-10-18-at-5.07.41-PM-1068x1058.jpg
A United 737 MAX plane over Colorado was possibly hit by space debris or a meteorite, causing damage to the windshield and frame. The plane diverted to Salt Lake City without incident, with passengers continuing their flight on another plane.

US Government Uptime Monitor

Show HN: Duck-UI – Browser-Based SQL IDE for DuckDB

Ask HN: What are people doing to get off of VMware?

Some large industries are prioritizing migration off VMware over adopting genAI. Options for moving off VMware include renegotiating, optimizing, public cloud migration, and using alternative hypervisors like HPE and Nutanix.

Compare Single Board Computers

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Compare single board computers with comprehensive benchmarks, specifications, and real-world performance data. Find the perfect SBC for your project.

Friendship Begins at Home

https://3quarksdaily.com/wp-content/uploads/2020/07/smith_360x450_0.jpg
The text discusses how loving oneself is crucial for forming genuine friendships with others. It highlights the importance of self-awareness, acceptance, and inner harmony in achieving true love and connection with oneself and others.

The case for the return of fine-tuning

https://substackcdn.com/image/fetch/$s_!ucfU!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F220237f8-8aa7-4d59-9024-6a1630e9d5e9_1600x1165.png
Fine-tuning is gaining popularity again due to advancements in GPU-as-a-service platforms and open-weight ecosystems that make it more efficient and accessible. This shift enables organizations to own and control their fine-tuned models, making it a strategic lever for differentiation and embedded intelligence.

Duke Nukem: Zero Hour N64 ROM Reverse-Engineering Project Hits 100%

https://opengraph.githubassets.com/8a6a8495486446efcd77f72aef6d24fc188ac28004dcf99142fa93be68a105fd/Gillou68310/DukeNukemZeroHour
Place the ROM in the repo root, rename it to baserom.us.z64 or baserom.fr.z64, and run make with optional arguments. Add flags like VERSION, NON_MATCHING, and MODERN to customize the build process.

Thieves steal crown jewels in 4 minutes from Louvre Museum

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Thieves stole priceless Napoleonic jewels from the Louvre in a daylight heist, forcing a window and smashing display cases. The stolen items include an imperial crown and a parure, with one object later found broken outside the museum.

Windows 11 25H2 October Update Bug Renders Recovery Environment Unusable

https://tpucdn.com/img/eVE26AT7I8nb5Xs0_thm.jpg
Microsoft's latest Windows 11 update, KB5066835, causes keyboard and mouse issues in the Windows Recovery Environment. Users are unable to access recovery tools until Microsoft releases a solution in the coming days.

Why an abundance of choice is not the same as freedom

https://images.aeonmedia.co/user_image_upload/4482/insert-cruickshank-dance-.jpg?width=3840&quality=75&format=auto
The concept of choice as a proxy for freedom is a relatively recent development, emerging in the 17th and 18th centuries in Western Europe and the US. However, this emphasis on individual choice has led to unintended consequences, including selfish individualism, collective action problems, and the prioritization of personal preferences over communal values.

Abandoned land drives dangerous heat in Houston, study finds

https://stories.tamu.edu/wp-content/uploads/2025/10/Featured-image-template-19-1148x516-c-default.jpg
New research from Texas A&M University shows vacant and abandoned land in Houston neighborhoods can raise land surface temperatures by up to 20 degrees Fahrenheit. Green infrastructure and vegetation can help cool areas, but low-income residents often lack trees and green space, increasing heat-related illness risks.

GNU Octave Meets JupyterLite: Compute Anywhere, Anytime

https://miro.medium.com/v2/resize:fit:1200/1*_Ha5vHmLH66mSH3WFg1fxg.png
Xeus-Octave is a new JupyterLite kernel that allows running GNU Octave code directly in the browser, overcoming challenges like Fortran common symbols and GUI functionalities. The kernel was created by patching LLVM and modifying GNU Octave to target WebAssembly, with contributions from multiple developers and teams.

The Accountability Problem

https://2.media.letscodejavascript.com/www.jamesshore.com/images/accountability-problem/002.jpeg
The speaker discussed accountability in software development, explaining that business partners often misunderstand the process and assume it's about writing code. They proposed a new way of thinking about accountability, focusing on "Product Bets" that aim to improve a company's trajectory.

Dosbian: Boot to DOSBox on Raspberry Pi

https://cmaiolino.wordpress.com/wp-content/uploads/2025/01/db3.jpg?w=1024
Dosbian V3.0 is a donationware distro for Raspberry Pi that boots straight to Dosbox, allowing users to install and run DOS games and software. It supports MMX instructions and is compatible with Raspberry Pi models.

The zipper is getting its first major upgrade in 100 years

https://media.wired.com/photos/68f260af3789ac9aa47d1e81/master/w_2560%2Cc_limit/101725_GEAR-Zipper.jpg
YKK, a Japanese company, has introduced the AiryString zipper, a redesigned mechanism that removes fabric tape for a lighter, sleeker, and more flexible system. This innovation reduces material use and environmental impact, and is being adopted by brands like The North Face and Descente Japan.

RFCs: Blueprints of the Internet

https://ackreq.github.io/assets/media/posts/what-are-rfcs/60s-mainframe.webp
The internet relies on shared rules and standards, known as RFCs, which define how systems interact and communicate. RFCs are official documents that outline internet technologies, protocols, and guidelines, and are maintained by the Internet Engineering Task Force (IETF).

What Happened in 2007?

https://whathappenedin2007.com/imgs/reverse_flynn.webp
The widespread adoption of smartphones since 2007 may be linked to various detrimental trends, including declining mental health, stagnating cognitive performance, and reduced productivity. These trends may be attributed to the constant distraction and decreased face-to-face interaction caused by smartphones.

With deadline looming 4 of 9 universities reject Trumps pact to remake higher ed

https://cdn.arstechnica.net/wp-content/uploads/2025/05/GettyImages-588709290-640x426.jpg
The Trump administration offered nine elite universities a deal to bring in conservatives, agree to certain conditions, and receive federal benefits, but the universities are refusing. The administration is pushing for the deal despite opposition from the universities, states like California, and groups like FIRE, which fear it will undermine academic freedom.

Gleam OTP – Fault Tolerant Multicore Programs with Actors

https://opengraph.githubassets.com/b8bde8ec65ff24600c89db8febcff430a07714ebafe1aa8e56ebf01eee210a5d/gleam-lang/otp
The Gleam library provides an actor abstraction for OTP, handling system messages and enabling debugging and tracing. Actors can be used to create processes, supervise other processes, and restart them if they crash.

Pebble is officially back on iOS and Android

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Could the XZ backdoor been detected with better Git/Deb packaging practices?

https://optimizedbyotto.com/post/xz-backdoor-debian-git-detection/debian-git-magnifier.jpg
A backdoor was discovered in XZ Utils in spring 2024, raising questions about software supply chain security. A Debian Developer audited the xz package to see if better packaging practices could have detected the threat.

A Tower on Billionaires' Row Is Full of Cracks. Who's to Blame?

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Deterministic multithreading is hard (2024)

https://cdn.factorio.com/assets/blog-sync/fff-415-one-huge-network.png
The user fixed several bugs in their game, including a desync issue caused by a threading determinism problem and a bug with auto-paused servers, and implemented improvements to the game's performance. They also optimized the game's construction robot logic to make it faster and more efficient, reducing the time it takes to check if a task is within a logistic network area from O(N) to O(logN).

How to Assemble an Electric Heating Element from Scratch

https://solar.lowtechmagazine.com/2025/10/how-to-build-an-electric-heating-element-from-scratch/images/dithers/p1_Large_dithered.png
To build an electric resistance heating element, calculate the desired resistance value using Ohm's Law and cut a nichrome wire to the correct length, considering the wire's thickness and resistance per meter. The heating element should be connected to a thermal switch and thermal fuse for safety, and then encapsulated in mortar or a heat-resistant material to distribute heat evenly.

Improving PixelMelt's Kindle Web Deobfuscator

https://shkspr.mobi/blog/wp-content/uploads/2019/11/Likebook-Ares.png
PixelMelt published a method to download Amazon books without DRM by spoofing a web browser, reconstructing SVGs, and running OCR on them. The process yields a monochrome PNG with extracted text, but OCR isn't infallible and lacks semantic meaning.

GoFundMe CEO: economy is so bad his customers crowdfund to pay for groceries

https://s.yimg.com/ny/api/res/1.2/0XWQVDFV3tJUXxDK3cNHXA--/YXBwaWQ9aGlnaGxhbmRlcjt3PTEyMDA7aD04MTE-/https://media.zenfs.com/en/fortune_175/8b77f1a14084a1ebefd83278630e6bad
GoFundMe's CEO says more Americans are crowdfunding groceries due to economic challenges. This shift highlights the widening gap between household budgets and basic needs, with many relying on strangers for everyday survival.

I wish SSDs gave you CPU performance style metrics about their activity

The user is blocked due to using an old browser version or being identified as a suspicious crawler. They can contact the author to resolve the issue or use archive.org for a better behaved archival crawler.

Bible and Quran apps flagged NSFW by F-Droid

https://forum.f-droid.org/uploads/default/original/2X/d/de38ce2591907c20e3498abd04f61276cf2cdb37.png
Your Bible Feed app was mistakenly tagged as NSFW on F-Droid due to unknown metadata. The source of the metadata is unclear, but it may have been added by F-Droid or another user.

The macOS LC_COLLATE hunt: Or why does sort order differently on macOS and Linux (2020)

The user discovered that macOS and Linux sort package names differently due to locale settings, with macOS using a 20-year-old FreeBSD collation rule that compares byte values one by one. This rule is stored in a compiled binary on macOS, but the source code can be found in an old version of the adv_cmds package, which was synchronized with FreeBSD 5.0.0.

Uber will offer gig work like AI data labeling to drivers while not on the road

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Uber is launching a pilot program allowing drivers to complete small online jobs through its app, such as uploading photos or recording audio. Drivers can choose tasks based on pay and estimated time to completion.

Original C64 Lode Runner Source Code

https://opengraph.githubassets.com/0a49173b4208165de281598d5b783efd9ff60466235574c02894c8eeb103f020/Piddewitt/Loderunner
Original C64 Lode Runner Source Code. Contribute to Piddewitt/Loderunner development by creating an account on GitHub.

Show HN: Pyversity – Fast Result Diversification for Retrieval and RAG

https://raw.githubusercontent.com/Pringled/pyversity/main/assets/images/pyversity_logo.png
Pyversity is a lightweight library that efficiently re-ranks retrieval results to encourage diversity while maintaining relevance. It implements popular diversification strategies like MMR, MSD, DPP, and Cover with a unified API.

The White House is already one of the most blocked accounts on Bluesky

https://techcrunch.com/wp-content/uploads/2020/05/GettyImages-1157480995.jpg?w=1024
The White House and other government agencies created new Bluesky accounts to post messages attacking Democrats over the government shutdown. The accounts were widely blocked by users, with the White House account being blocked by around 91,000 accounts.

Scheme Reports at Fifty

https://crumbles.blog/images/scheme-at-fifty.png
The Scheme community is divided over the language's size and dynamic/static nature, making it hard to agree on a future report. A unified report like R7RS is needed to keep Scheme as a coherent language and allow sharing of libraries and code.

Space junk falls on Western Australian minesite

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A suspected space debris crashed near a WA mine site, with authorities ruling out a commercial aircraft origin. Further assessment by the Australian Space Agency is underway to identify the object's nature and source.

Judge says body cameras for Chicago officers "was not a suggestion"

https://assets1.cbsnewsstatic.com/hub/i/2025/04/10/c5cc0c56-5dc4-4b78-bf60-df1da57c98c2/social-seofeatured-chicago.jpg
A US judge ordered federal agents in Chicago to wear body cameras during operations due to violent clashes with the public. The judge modified a temporary restraining order to include body-worn cameras, calling it a requirement not a suggestion.

QuickDrawViewer: A Mac OS X utility to visualise QuickDraw (PICT) files

https://raw.githubusercontent.com/wiesmann/QuickDrawViewer/main/QuickDrawViewer/Assets.xcassets/AppIcon.appiconset/Icon128.png
User rewrote Java QuickDraw code in Swift to decode and display QuickDraw image files, releasing it for the 40th Macintosh anniversary. The program translates QuickDraw instructions to Core Graphics, supporting various image formats and exporting to PDF.

Websites Are for Humans

https://marcus-obst.de/me.jpg
The author predicts people will abandon commercial social media due to AI-generated content and decision fatigue. They propose a return to personal websites and smaller platforms, with a focus on human touch and control over content.

Using Pegs in Janet

Janet is a Lisp-like language that supports parser expression grammars (PEGs) instead of regular expressions. PEGs allow rules to refer to other rules and run arbitrary functions, making them powerful for parsing data.

ISP Blocking of No-IP's Dynamic DNS Enters Week 2

https://torrentfreak.com/images/dns-block-soccer-ball1.png
In Spain, ISPs block hundreds of websites using Cloudflare's services without warning or transparency, affecting innocent customers. This collective punishment is unprecedented and has caused significant disruption to services like ddns.net, affecting thousands of users.

The AI bubble is 17 times bigger than the dot-com bust

https://media.cnn.com/api/v1/images/stellar/prod/ap25286455384176.jpg?c=original&q=w_1041,c_fill
Julien Garran claims the AI industry is in the biggest bubble ever, with a misallocation of capital 17 times bigger than the dot-com bubble. He believes AI's limitations and unsustainable funding model will eventually lead to a collapse.

The Trinary Dream Endures

https://www.robinsloan.com/img/moonbound-top-crop-v2.jpg
TriΒ­nary computing offers a "yes", "no", and "maybe" approach, making it philosophically appealing. It may have its day, especially with efficient language models using -1, 0, and 1 weights.

Feed me up, Scotty – custom RSS feed generation using CSS selectors

https://feed-me-up-scotty.vincenttunru.com/assets/images/funfacts-demo-6c6260ae57a9a2f242c9a057928b3cd6.png
The configuration file is used to set up Wikipedia and Wikivoyage feeds with specific selectors for entries and links. It allows for automatic feed generation using GitHub or GitLab.

LoC Is a Dumb Metric for Functions

https://theaxolot.wordpress.com/wp-content/uploads/2024/05/cropped-1677184869904.jpg?w=200
The article argues that breaking down functions into smaller ones based on line count is not always the best approach and that other factors like cognitive complexity, locality, and context overhead should be considered. It suggests that before refactoring, one should simplify the function's logic, use comments and good variable names, and consider the Single Source of Truth and Rule of Three ...

Show HN: Notepad.exe – macOS editor for Swift and Python (now Linux runtime)

https://notepadexe.com/img/gallery/img2.png
Notepad.exe is a lightweight Swift and Python code editor for macOS with features like code completion and iOS simulator integration. It's a fast and low-friction environment for experimenting with code snippets without the complexity of full IDEs.

Police Break Up Lego Theft Ring, Recovering Hundreds of Beheaded Figurines

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Show HN: A better Hacker News front end

A server error has occurred INTERNAL_FUNCTION_INVOCATION_FAILED cle1::xvrnx-1760948892424-c9ac68dc8bb5

The traffickers are winning the war on drugs

Peru's anti-narcotics police discovered 9 tonnes of chemically masked cocaine in a shipment to Belgium. The traffickers planned to extract the cocaine once it reached its final destination to avoid detection.

Did Space Debris Hit A United Flight Over The Rockies Thursday?

https://viewfromthewing.com/wp-content/uploads/2015/04/vftw.png
A United flight from Denver to LA diverted to Salt Lake City due to a cracked windshield. The cause is likely a windshield heat system arcing causing scorch marks, not space debris.

Why We Need Arabic Language Models

https://www.natureasia.com/en/nmiddleeast/figures/6436/7f433ff2-031b-472d-b9f9-aca96026930a.jfif
Developing Arabic language models is crucial for the Arab world's AI advancement and cultural sovereignty. The region needs sustained investment and collaboration to build robust models that reflect local values and needs.

The Spherical Cows of Programming

https://substackcdn.com/image/fetch/$s_!FrWJ!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F17cd2d27-cb9d-4ac4-8e3b-5ab594f4db44_267x134.heic
The "spherical cow" technique simplifies complex problems by ignoring design variables, but using a single approach can lead to workarounds and increased complexity. Different notations and views, like asynchronous dataflow, can be used to solve problems, and combining multiple approaches can be more effective than relying on a single "spherical cow".

Show HN: 18yo first iOS app: blocks distracting apps and unlocks with QR/barcode

https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/18/20/75/182075a7-d8eb-dc1b-a6b5-e787f138c51e/AppIcon-0-0-1x_U007ephone-0-1-85-220.png/1200x630wa.png
The user built Recode to help people stop endless scrolling and regain focus by blocking distracting apps with a QR or barcode scan. Recode provides accountability and physical resistance to help users stay on track and achieve real results.

How Senior Engineers Lose Trust

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The article discusses how behaviors celebrated in junior engineers are often penalized in senior engineers, creating a disconnect between what's valued and what's expected. It emphasizes the need for emotional intelligence and system thinking in leadership roles.

Ask HN: Those who applied to the OpenAI Grove program, did you ever hear back?

I applied to the Grove program but never received a confirmation or rejection email. The program's ambiguous requirements and wide net cast made me skeptical of getting accepted.

Designing EventQL, an Event Query Language

https://docs.eventsourcingdb.io/images/blog/golo-roden.jpg
EventSourcingDB created EventQL to query event streams efficiently, filling a gap between recurring and ad-hoc queries. EventQL is a purpose-built language with a clear syntax, type safety, and a focus on simplicity, designed for event streams and not relational databases.

When Pollution Spikes in Southeast Asia, Rainfall Shifts from Land to Sea

https://yale-threesixty.transforms.svdcdn.com/production/Kuala-Lumpur-Smog_Wikipedia.jpg?w=400&auto=compress%2Cformat&fit=clip&dm=1760691513&s=d0c6706694e87abe61be55486d546e9e
Heavy pollution in Southeast Asia suppresses rainfall over land while intensifying it over the ocean due to aerosols blocking sunlight. This leads to heavier downpours over the ocean and delayed overnight rainfall over land.

Replua.nvim – an Emacs-style scratch buffer for executing Lua

https://opengraph.githubassets.com/91d04e4d18fe6a771eb20c37a757c3fae9ca998996685c85721ac906aa363253/mghaight/replua.nvim
replua.nvim is a Neovim plugin for executing Lua code in a scratch buffer. It allows for custom configuration and provides a clean slate for each buffer, with results printed inline.

What Unix pipelines got right and how we can do better

https://substackcdn.com/image/fetch/$s_!eSyZ!,w_320,h_213,c_fill,f_auto,q_auto:good,fl_progressive:steep,g_auto/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9d69eba9-d5d3-4387-a046-9b881b00bd45_131x131.png
UNIX pipelines demonstrated fundamental principles of software composition, enabling true concurrent composition and isolation of processes through explicit data streams. They showed that great software architecture comes from getting the separation of concerns exactly right, with isolation enabling composition and explicit data flows being easier to reason about than hidden function call graphs.
https://avatars.githubusercontent.com/u/241138?v=4
The text describes various AI-powered tools and projects including a dropdown popup spinner, AI assistant, Wireguard VPN, and video subtitle editing component, among others. These projects cover areas such as AI, machine learning, cybersecurity, and software development, with some being open-source and customizable.

Using Emacs as a TUI

The user had issues with Emacs key bindings in the terminal and found a solution using the Kitty Keyboard Protocol. They also set up systemd services to start an Emacs daemon and created a .desktop file to interact with the system.

I ended my relationship because AI told me to

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People are increasingly relying on AI chatbots for advice and decision-making, often sharing personal issues and relationships with them. This trend raises concerns about the potential for biased echo chambers and the loss of human judgment in decision-making.