DeepSeek-R1

https://raw.githubusercontent.com/deepseek-ai/DeepSeek-R1/main/figures/benchmark.jpg
We introduce DeepSeek-R1-Zero and DeepSeek-R1, two reasoning models that demonstrate remarkable performance through reinforcement learning. DeepSeek-R1 achieves comparable performance to OpenAI-o1 across math, code, and reasoning tasks.

I Met Paul Graham Once

The author is worried that people who once supported them will turn against them due to a desire to conform to prevailing winds, fearing they will be discriminated against for being non-binary trans femme. They feel anxious after Mark Zuckerberg's announcement to increase hate speech against people like them.

Mixxx: GPL DJ Software

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Mixxx is free open-source DJ software that supports various mixing techniques and hardware. It's developed by a community of DJs and programmers who contribute to its development and improvement.

I am (not) a failure: Lessons learned from six failed startup attempts

The user shares their story of numerous failures in their life, including failed academic and entrepreneurial pursuits, but ultimately ending up in a good place. They learned valuable lessons from their failures, such as the importance of execution, being careful with partners, and not underestimating the capacity of the banking industry to stifle innovation.

Reverse Engineering Bambu Connect

Bambu Connect uses Electron App with Security through Obscurity, making it inherently insecure. Extracting the private key requires unpacking the app, using Ghidra and asarfix, and decrypting the main.js file.

Reverse engineering Call of Duty anti-cheat

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The user-mode anti-cheat in Black Ops Cold War, called TAC, uses various techniques to prevent cheating, including runtime API lookups, hook detection, and encrypted syscall stubs to fake syscall origins. TAC also relies on Arxan, a powerful obfuscation tool, to protect the game executable and prevent static analysis, and has its own anti-debug techniques built-in to detect and prevent cheating.

Using eSIMs with devices that only have a physical SIM slot via a 9eSIM SIM car

https://neilzone.co.uk/content/images/2024-10-17_neil.jpg
A user received a physical SIM card that can provision eSIMs, which they tested using Android and Linux. They successfully downloaded and activated an eSIM on the SIM card, allowing them to browse the internet on a laptop running Debian.

Master the Art of the Product Manager 'No'

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Keep your meetings smooth and your priorities on track!

I'm Peter Roberts, immigration attorney, who does work for YC and startups. AMA

You'll be available for 3 hours now and 3 hours at 4 pm EST to discuss U.S. immigration law and policy under the new administration. You'll provide factual information and cannot offer legal advice due to liability reasons.

I'll think twice before using GitHub Actions again

The user has 15 engineers constantly pushing to the main branch in a monorepo setup, but finds GitHub Actions to be limiting and difficult to manage, particularly with required checks and workflow reuse. The user is considering alternative CI/CD tools like Gitlab, Jenkins, TeamCity, and Dagger due to GitHub's lack of improvement and motivation to address existing issues.

Moving on from React, a year later

https://kellysutton-blog.imgix.net/images/scholarly-loc-2025.png?ixlib=jekyll-4.3.2&w=5120
Scholarly, an HR platform for universities, has seen significant growth and achieved SOC 2 Type II compliance. They've chosen a server-rendered approach with Rails, Stimulus, and Turbo, finding it delivers a faster and more reliable experience.

Interview with Jeff Atwood, Co-Founder of Stack Overflow

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Jeff Atwood, co-founder of Stack Overflow, plans to donate over half his wealth to philanthropy within five years. He aims to address wealth concentration and unequal opportunities in the US, echoing The Giving Pledge campaign.

Official DeepSeek R1 Now on Ollama

https://ollama.com/public/ollama.png
DeepSeek’s first-generation reasoning models, achieving performance comparable to OpenAI-o1 across math, code, and reasoning tasks.

Celestial Navigation for Drones

https://pub.mdpi-res.com/drones/drones-08-00652/article_deploy/html/images/drones-08-00652-g001-550.jpg?1731385040
Researchers developed a low-cost, lightweight strapdown celestial navigation system for Uncrewed Aerial Vehicles (UAVs) to estimate position in GPS-denied environments. The system uses a camera to track stars and averages position estimates over an orbit to achieve accuracy within 4 km.

Ask HN: Is anyone making money selling traditional downloadable software?

The market for one-time payment desktop software is niche, with success stories in financial services and industrial applications, but SaaS is generally preferred for its ease of updates and support. A user has a side project making $40k/year with a traditional downloadable Windows application, but notes the challenges of support and updates.

ROCm Device Support Wishlist

https://opengraph.githubassets.com/17d1db620202ee9ebd34323f6252689c7e5171629d1bc933f5c2ce709be3ad9c/ROCm/ROCm/discussions/4276
We would like to hear from the community what other cards you would like to see ROCm support for. Currently compatibility matrix for Linux is at https://rocm.docs.amd.com/projects/install-on-linux/...

Zork: The Great Inner Workings (2020)

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The user studied the source code of the classic text-based adventure game Zork, which was originally developed in the 1970s, and explained its architecture and mechanisms, including the parser, game objects, and syntax. The user found interesting aspects of the source code, such as easter eggs, trolling logic, and comments, and even started porting the game into a modern programming language, Golang.

What does "supports DRM and may not be fully accessible" mean for SATA SDDs?

https://cdn.sstatic.net/Sites/unix/Img/apple-touch-icon@2.png?v=32fb07f7ce26
The user is running kernel 6.12.10 and found new messages in the dmesg log related to DRM, which stands for Direct Rendering Manager, not digital rights management. The messages are about a new extension to the ATA protocol that allows SSDs to reply differently based on a trusted platform module signature.

TypeScript enums: use cases and alternatives

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TypeScript enums define two things: an object mapping member keys to values and a type containing only member values, but they have limitations such as not being able to enumerate members and having performance issues with string values. Alternative solutions include using object literals, union of string literal types, and enum classes to achieve similar functionality with varying degrees of ...

Parinfer: Simpler Lisp Editing

https://shaunlebron.github.io/parinfer/img/parinfer-org-logo-144x108.png
Parinfer is a tool that simplifies Lisp editing by automatically adjusting parentheses and indentation, making it easier for newcomers and experts alike to write Lisp code. It formally defines the relationship between parentheses and indentation, allowing users to choose the degree of freedom they want while relinquishing some control to Parinfer.

Authors seek Meta's torrent client logs and seeding data in AI piracy probe

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Authors including Richard Kadrey and Sarah Silverman filed a class action lawsuit against Meta, accusing the company of using their work without permission. Meta admitted to using pirated content but denied copyright infringement, citing a fair use defense.

Where do those undergraduate divisibility problems come from?

https://grossack.site/assets/images/undergrad-divisibility-problems/off-by-rotation.png
The user discusses how to create polynomials that always output multiples of a given number using Pólya-Redfield counting, a combinatorial technique. They provide examples of how to use this method to create polynomials that are always divisible by 6 and 8.

Show HN: Personalized Duolingo (kind of) for vocabulary building

https://raw.githubusercontent.com/baturyilmaz/wordpecker-app/main/docs/assets/createlist-addword.gif
The user wants to create a language-learning app that combines personalized lessons with flashcard efficiency, allowing users to learn from their own curated vocabulary lists. The app will automatically provide word meanings and track progress, making learning more effective and convenient.

Taking a Look at Compression Algorithms

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The user implemented a Kafka Broker called MonKafka and delved into compression algorithms, learning about Huffman trees, lossless and lossy compression, and various techniques such as Run-Length Encoding and Lempel-Ziv. The user explored specific compression schemes like GZIP, Snappy, LZ4, and ZSTD, analyzing their implementations, trade-offs, and performance characteristics, and found ZSTD ...

Lonely sunfish in Japan gets cardboard human friends

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A sunfish at Japan's Kaikyokan aquarium was comforted by photos of human faces attached to uniforms after it stopped eating and became stressed due to a temporary closure. The unusual method worked, and the sunfish's health improved, with staff noting it was waving its fins in the tank.

Reverse engineering my #1 Hacker News article

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The author's article on Hacker News went viral after they stumbled upon a unique technique for spotting differences in images by crossing their eyes. They wrote about their experience, adding a personal touch and making it engaging and relatable.

Matt Mullenweg, Automattic's CEO, Seems Bound and Determined to Wreck WordPress

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Automattic CEO Matt Mullenweg is at the center of a contentious dispute with WP Engine, a managed WordPress hosting company, over licensing and contributions to the WordPress open-source project. The conflict has led to a legal battle, internal strife at Automattic, and a decline in Mullenweg's support within the WordPress community.

I got a heat pump and my energy bill went up

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You installed a multi-zone mini split heat pump system replacing a single floor furnace, improving comfort and safety, but also concerned about cost savings. Heat pumps are efficient but their cost-effectiveness can be complicated due to various factors.

Kronotop: Redis-compatible, transactional document store backed by FoundationDB

https://opengraph.githubassets.com/80726b66e00d07037b6bff7f9041f08fe2bc0346eadf02b4d999c2c7569c7b7f/kronotop/kronotop
Kronotop is a document database with MQL-like query language, ACID transactions, and on-disk storage engine. It uses FoundationDB as a metadata store and has partial support for Redis data structures.

The Selma March (1965)

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Thirty thousand marchers, led by Dr. Martin Luther King, embarked on a five-day journey from Selma to Montgomery, Alabama, to advocate for voting rights. Along the way, they faced hostility, intimidation, and violence, but continued to march in pursuit of their goal.

A Proper x86 Assembler in Haskell Using the Escardó-Oliva Functional

An assembler can be written using the Escardó-Oliva functional to minimize code size by choosing optimal jump encodings. This approach is applied to a single-player game where moves are jump encodings and the outcome is the total code size.

The quiet rebellion of a little life

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The author questions societal expectations of success and worth, suggesting that a life of quiet contentment can be just as valuable as one of grand achievement. They argue that true fulfillment comes from living authentically and valuing presence over productivity.

Two Hard Things (2009)

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The saying "there are only two hard problems in computer science" has various versions, including cache invalidation, naming things, and off-by-1 errors, and exactly-once delivery and guaranteed order of messages in distributed systems. The phrase originated around 1996-7 and has many variations, suggesting programming may not be as easy as thought.

YC X25, the spring 2025 batch

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Y Combinator now runs four batches per year: Winter, Spring, Summer, and Fall. Applications for the Spring batch, X25, are open until February 11 with a demo day in April to June.

Bambu Connect's Authentication X.509 Certificate and Private Key Extracted

https://hackaday.com/wp-content/uploads/2025/01/bambu_connect_extracted_certificate_key_source.jpg?w=800
A hacker extracted Bambu Lab's X1-series 3D printer certificate and private key from the Bambu Connect app. This could allow third-party software to communicate with Bambu Lab printers, forcing the company to reevaluate its security approach.

The Making of Community Notes (2024)

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The idea for Community Notes came from the observation that people wanted accurate information on social media but struggled with speed, scale, and trust issues, leading to the concept of crowdsourcing fact-checking through a community-driven approach. Through a lengthy prototyping phase and a pilot launch in 2021, the team developed a system that uses a bridging algorithm to surface notes ...

Frustration Tolerance: An Essential for Surviving Large Orgs

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Leaders with high frustration tolerance navigate organizational complexities without losing sight of objectives, while those with low frustration tolerance may create tense work environments and struggle with productivity. Developing high frustration tolerance is crucial for effective leadership and requires recognizing and accepting the reality of organizational friction.

Bambu Lab - Setting the Record Straight About Our Security Update

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Bambu Lab addresses security concerns and misinformation about their X-series printers, clarifying that LAN mode will require no internet access or user account. They're implementing an optional LAN mode feature and working with third-party developers to ensure seamless integration and security.

How to solve computational science problems with AI: PINNs

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Physics-Informed Neural Networks (PINNs) are used to solve complex partial differential equations (PDEs) by integrating physical laws into neural network training, ensuring physical consistency and efficient computation. PINNs offer advantages such as accurate generalization, good performance with limited data, and less computational power, making them a powerful tool for various fields ...

CFRS[] Community Demos: Patterns drawn with turtle graphics with 6 commands

The document contains CFRS[] demos, a minimal drawing language with six commands, and invites community members to share their 64-byte demos. It categorizes demos into dynamic and static based on the use of the S command for animation.

Ask HN: Seeking an IPL-V Interpreter

A team is reanimating symbolic heuristic programs from the 1950s built by Newell and co at RAND. They need access to IPL-V interpreters for various vintage machines to run original code.
https://abs.twimg.com/responsive-web/client-web/icon-ios.77d25eba.png
Developers, please be careful when installing Homebrew. Google is serving sponsored links to a Homebrew site clone that has a cURL command to malware. The URL for this site is one letter different than the official site.

The testing pyramid is an outdated economic model

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The test pyramid is an outdated economic model that hides complexity and was created for a time when computers were slower and testing tools were rudimentary. Modern testing strategies prioritize broad, fast tests through public APIs and mocking, allowing for safer refactors and more efficient problem-solving.

Falcon 9 Rocket Launch Scrubbed After Delta Air Flies into Restricted Airspace

https://www.paddleyourownkanoo.com/wp-content/uploads/2025/01/shutterstock_2204121171-1600x1068.jpg
A Delta Air Lines plane flew into restricted airspace near a SpaceX launch site at Vandenburg Space Force Base, forcing a Falcon 9 rocket launch to be delayed. The FAA will investigate how air traffic controllers instructed the plane to fly through the restricted area.

Unconventional Adventures

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The era of adventure travel is making a comeback, with people seeking unconventional experiences like walking in a straight line or playing tag across Europe. This shift is driven by a desire for unique experiences that go beyond the typical tourist itinerary.

I wrote a commercial game in C in 2025

https://www.cowleyforniastudios.com/static/ironroads/gallery/1-cover-1080p.png
The developer chose C for Iron Roads due to its portability, simplicity, and clarity, despite its downsides, to create a 2D train simulation game that is accessible to a wide range of players. The game's codebase is a mix of C and Lua, with C handling the lower-level code and Lua handling the higher-level game logic, resulting in a successful but challenging development process.

The real motivation behind systemd (2018)

The user expresses concerns about the increasing corporate influence in the Linux world, particularly with Microsoft's takeover of open source infrastructure and Red Hat's control over systemd, which has become a Trojan horse for corporate interests. The user argues that systemd has become a monolith with deep integration into many open source projects, making it a hard dependency and ...

The deeper under the Earth's surface, the more species you can find

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Scientists have discovered diverse microbial communities thriving in the Earth's subsurface, rivaling those in rainforests and coral reefs. These microbes have adapted to survive in low-energy environments, with some species found in extreme depths and conditions.

2,100-year-old Alexander the Great mosaic analyzed for restoration

https://scx1.b-cdn.net/csz/news/800a/2025/echoing-in-eternity-a-2.jpg
Researchers from the University of Naples Federico II analyzed the 2,100-year-old Alexander Mosaic using non-invasive techniques to assess its preservation and construction materials. The study found evidence of past restorations, surface degradation, and thermal instability, providing insights for future restoration efforts.

The forgotten brilliance of Hélène de Beauvoir, sister of Simone

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Hélène de Beauvoir, Simone's lesser-known sister, was a radical and prolific feminist painter whose work was praised by Picasso. A new exhibition at the Amar Gallery in London aims to rectify her overlooked status.

An astronomical view of Ancient Egyptian star clocks (2021)

The author explores ancient Egyptian diagonal star tables, which may have been based on observations of the night sky, and uses Python code to visualize decanal motions. The code, called decanOpy, calculates star positions and returns them in a format suitable for plotting and mapping.

Viagra-laced 'erectile honey' is flooding into France, officials warn

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US president-elect wants to claim Arctic island for international security, citing Denmark's costs. Pontiff criticizes planned US immigration crackdown as an ineffective solution.

DeepSeek-R1-Distill-Qwen-1.5B Surpasses GPT-4o in certain benchmarks

https://huggingface.co/deepseek-ai/DeepSeek-R1-Distill-Qwen-1.5B/resolve/main/figures/benchmark.jpg
We introduce DeepSeek-R1-Zero and DeepSeek-R1, two reasoning models that demonstrate remarkable performance through reinforcement learning. DeepSeek-R1 achieves comparable performance to OpenAI-o1 across math, code, and reasoning tasks.

Flag drawing with Turtle

https://jtanx.github.io/public/img/2018-12-28-flag-of-wales.png
The user took Java and Python programming units at UWA, where they implemented a flag drawing exercise using a limited set of drawing commands. They later developed a parser to interpret SVG as Turtle drawing commands, successfully drawing complex flags like the Flag of Hong Kong.

After Authenticity (2018)

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The concept of authenticity has evolved over the past two decades, shifting from a value system that rejected commercialization to one that celebrates it, with the rise of hipster culture and the commodification of authenticity. As a result, the notion of authenticity has become obsolete, and people are now seeking to create their own identities and meanings through shared participation in ...

Don't use Session – Round 2

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The user wrote a follow-up blog post to address concerns and clarify their previous claims about Session's security design, specifically regarding the use of Pollard's rho method to attack Session's 128-bit seeds. The user also criticized Session's response to their original blog post, pointing out several flaws in their protocol design, including the removal of forward secrecy and the use of ...

Doom ported to Microsoft Word document

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A Word document from the latest GitHub release contains a VBA macro that extracts and loads a Doom game, reading keyboard input and updating the document with each frame. The document's contents can be converted to VBA macros using a Python script, allowing the game to be run within the Word document.

Malicious extensions circumvent Google's remote code ban

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Google's Chrome browser has been exploited by malicious extensions that download code from web servers, evading security restrictions. These extensions, often associated with companies like Phoenix Invicta Inc and Technosense Media Pvt. Ltd, can inject ads, spy on users, and perform affiliate fraud.

Do any languages specify package requirements in import / include statements?

The user suggests a design where import statements specify versions, and a standard installation process downloads dependencies, but notes potential downsides like conflicting versions in different files. They ask if any languages have standard installers that download dependencies based on import or include statements.

Show HN: CFRS[] Community Demos: Patterns with turtle graphics using 6 commands

User introduced CFRS, a minimalist drawing language with turtle graphics, and received creative patterns and animations from its community. User shares interesting creations and invites others to share their demos using CFRS.

Show HN: I wrote a book about running great SaaS technical sales calls

Author turned technical sales expert shares book "SaaS Demos That Sell" for $15, offering insights on creating effective demos and presentations. Book targets first-time founders and sales team members, with free copies available upon request.

Show HN: Race Timing with Integrated Replay

This demo showcases a race navigation system with keyboard and mouse controls, allowing for easier video following and driver tracking. It's a showcase of ongoing work using IMSA WeatherTech Championship data and video from the 2024 ROLEX 24.

What is there left to believe in?

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The Biden administration made a bizarre mistake by declaring the Equal Rights Amendment a law, which was refused by the National Archivist. Meanwhile, Trump launched a cryptocurrency and attempted to save TikTok, raising concerns about his administration's potential for corruption.

But let us cultivate our garden (2018)

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The author reflects on the significance of gardening as a metaphor for life, drawing inspiration from Voltaire's novella Candide and the experiences of other gardeners like Diane Ackerman and Virginia Woolf. Through gardening, the author found purpose, happiness, and a sense of order in chaos, and has applied these lessons to cultivating a "literary garden" in their writing career.

The Missing Mentoring Pillar

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The ACM SRC is being refocused to provide high-quality feedback from experts in the programming languages community, making it a more effective forum for junior researchers to improve their presentation skills. Changes include a larger program committee, archival extended abstracts, and increased visibility for winners, aiming to maximize the effectiveness of the SRC in building up the ...

Show HN: SupGen, an model-free program synthesizer by examples / dependent types

F-Droid Security Issues (2022)

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F-Droid, a popular alternative app repository for Android, has several security issues, including outdated tools, slow updates, and a flawed permission model, which can lead to security vulnerabilities and compromised user data. Users are recommended to stick with the Play Store, which emphasizes modern security standards and encourages better privacy practices, or consider alternative app ...

Calling Strangers Uncle and Auntie

https://solmaz.io/img/calling-strangers-uncle-and-auntie/tweet1.png
People in many cultures use "uncle" or "auntie" to address older strangers as a sign of respect, but this practice varies widely across cultures. This phenomenon is not well-studied and has been named "ommerism" by the author.

A sprawling megacity of multi-level madness

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Chongqing is a vertically sprawling city in China with impossible mountainsides and valleys, making maps almost useless. Its multi-level madness features elevated roads, metro lines, and residential skyscrapers, making navigation an exhilarating and surreal experience.

US safety regulators expand Ford hands-free driving tech investigation

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NHTSA upgraded its probe into Ford BlueCruise after two fatal crashes involving stationary vehicles. The agency will investigate BlueCruise's limitations, including false stationary object detection and poor visibility issues.