Web page annoyances that I don't inflict on you

The user's website does not use JavaScript, cookies, or tracking scripts, and it does not load external content or use third-party services to collect data. The website loads pages fully and does not use animations, popups, or other distracting elements, and it provides clear and transparent information about its content and functionality.

I made $100K from a dick joke

https://s.imgur.com/images/accolades/best.png
You came up with the idea of sending Dick Candy with a message in 2015 after a bachelorette party's over-the-top decorations. This idea was inspired by existing anonymous prank sites but with a harmless twist using edible Dick Candy.

In my life, I've witnessed three elite salespeople at work

https://compote.slate.com/images/36d44bde-cd01-4d9a-8995-762c7bc755a8.jpeg?crop=1440%2C960%2Cx0%2Cy0&width=1560
The author reflects on their past experience as a telemarketer, learning the art of sales from a top performer and realizing that people buy based on how they feel, not what they need. The author's success in sales was short-lived due to a combination of factors, including the company's bankruptcy and their own inability to adapt to changing circumstances.

Extracting AI models from mobile apps

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The Microsoft Seeing AI app's currency detection feature was analyzed, revealing an encrypted model that was successfully dumped using Frida and Objection tools. The extracted model can be used to bypass the app's proprietary AI, but requires permission from the owner due to intellectual property concerns.

Remote code execution via MIDI messages

https://psi3.ru/blog/swl01u/images/thumb/virgin_dmlcd.jpg
The user reverse engineered a Yamaha PSR-E433 synthesizer's main chip, a custom YAMAHA SWL01U chip, and discovered it contains a 64 KiByte ROM and a 16 MiByte flash chip, with the ROM transferring control to the flash upon startup. The user successfully exploited the synthesizer's MIDI interface to execute custom code and display custom graphics on the LCD, and even managed to play video at a ...

A messy experiment that changed how I think about AI code analysis

We were teaching AI to read code like a junior dev, not a senior one, by dumping files and expecting analysis. Changing prompts to provide context helped AI catch connections and think like a senior dev.

How NAT Traversal Works (2020)

https://cdn.sanity.io/images/w77i7m8x/production/50eafc1638d93b9637dcee0d55967a8fa09e05c7-1700x800.png
Tailscale uses a combination of techniques to traverse NATs and stateful firewalls, including STUN, simultaneous packet sending, and relays, to establish peer-to-peer connections between devices. The protocol also uses port mapping protocols like UPnP, NAT-PMP, and PCP to make NATs more friendly to peers, and can handle double-NAT and carrier-grade NAT scenarios.

Researchers design wearable tech that can sense glucose levels more accurately

https://uwaterloo.ca/news/sites/ca.news/files/resize/styles/feature_small/public/george_shaker_23-06-13_0853_1-350x233.jpg?itok=mvnnwrr9
University of Waterloo engineers have developed a non-invasive glucose monitoring system using radar technology that fits inside a smart watch. The system uses a radar chip, meta-surface, and artificial intelligence algorithms to accurately detect glucose levels without skin penetration.

Akamai to shut down its CDN operations in China

Akamai is ending China CDN services on June 30, 2026, and will automatically serve content from neighboring countries unless a partner solution is activated. Akamai is partnering with Tencent and Wangsu to offer high-performance content delivery and security solutions within mainland China.

Show HN: Struggle with CSS Flexbox? This Playground Is for You

Interactive CSS Flexbox Playground - Experiment with flex properties in real-time and learn CSS layout through hands-on practice. Perfect for web developers of all levels.

Guten: A Tiny Newspaper Printer

https://amanvir.com/_app/immutable/assets/guten_printer.33003aef.png
User has a customized printer called Guten that prints a daily newspaper with schedule, poem, and news. User wants to know if others would be interested in purchasing and using Guten.

Back to basics: Why we chose long-polling over websockets

The user's team used HTTP long polling with Postgres to handle real-time updates at scale, avoiding the complexity of WebSockets and achieving efficient resource usage. This approach allowed them to keep their existing observability stack, security patterns, and infrastructure configurations unchanged, while also providing full control over their message delivery mechanism.

A story on home server security

https://raniseth.com/img/posts/2025-01-04-Home-Server-Security/container-log.png
User's server was infected with Kinsing malware through an exposed Docker container. User secured their home network and learned to take precautions when exposing devices to the internet.

Ads chew through half of mobile data

https://fs.npstatic.com/userfiles/6727621/image/2016/HeroS-random/AndroidPIT-living-without-smartphone-1-2-w810h462.jpg
Online advertising consumes a significant portion of mobile data, with ads accounting for 18-79% of data transferred. Adblock services can reduce data consumption, but may harm website revenue.

Ask HN: Favorite blog in 2024?

Simon Willison's blog is impressive due to his productivity. WEB CURIOS by Matt Muir is another notable blog.

Human study on AI spear phishing campaigns

https://res.cloudinary.com/lesswrong-2-0/image/upload/f_auto,q_auto/v1/mirroredImages/GCHyDKfPXa5qsG2cP/zihrxmduql07fedjthpg
Researchers used AI models to conduct personalized phishing attacks, achieving a 50%+ click-through rate and reducing costs by up to 50 times. AI models are highly capable of gathering open-source intelligence and creating accurate profiles, but current safety guardrails are ineffective against AI-generated phishing emails.

Hacker gains access to the RP2350 OTP secret by glitching the RISC-V cores

https://cdn.mos.cms.futurecdn.net/ibXQxW6autxYfKtTJxaTQG-320-80.jpg
Engineer Aedan Cullen found a way to hack the Raspberry Pi RP2350 microcontroller by injecting a voltage glitch on pin 53, enabling him to read the secret. The hack may win the $20,000 RP2350 Hacking Challenge, but the official winner will be announced on January 14.

Republishing my Simpsons fan site, twenty years later

https://www.bingeclock.com/blog/img/simpsonszip-screen.jpg
Bingeclock Engineering Blog

Nearly half Dell's US workforce has rejected RTO. Rather WFH than get promoted (2024)

https://img-s-msn-com.akamaized.net/tenant/amp/entityid/BB1oBwdY.img?w=534&h=356&m=4&q=81
The remote-work rebellion continues at Dell after the tech giant implemented a strict return-to-office mandate earlier this year.

SrsRAN: Open-Source 4G/5G

https://raw.githubusercontent.com/srsran/.github/main/images/srsran_banner.png
srsRAN is an open-source software suite for 4G and 5G radio applications implemented in C++. It runs on Linux with off-the-shelf hardware.

Collusion through Common Leadership [pdf]

Common leadership between firms increases the probability of collusion by 12 percentage points. This effect is driven by common leadership involving an executive rather than an independent board director.

Reverse Engineering the Constants in the Pentium FPU

https://static.righto.com/images/pentium-fp-rom/pentium-labeled-w600.jpg
The Pentium processor uses polynomials to approximate transcendental functions such as sine, cosine, and logarithm, which are stored in a ROM (read-only memory) with 304 constants. These constants are optimized using the Remez algorithm to minimize the maximum error across the range, resulting in more accurate calculations than traditional Taylor series polynomials.

How to Debounce a Contact (2014)

https://www.ganssle.com/images/debswitches.jpg
The article discusses debouncing, a process to remove bouncing in mechanical switches, and presents experimental results showing varying bounce times and behaviors in different switches. The study found that bounce times can range from under 1 microsecond to over 157 milliseconds, and that fast actuations can increase bounce times, but the results should be taken with a grain of salt due to ...

Ask HN: Politics Blog Cloudflare Subpoena

A UK blogger is being threatened with exposure after a former Councillor obtained a subpoena against Cloudflare, which may reveal the blogger's identity. The blogger is appealing to Matthew Prince, Cloudflare's CEO, for help to protect their anonymity and safety.

The Rise of the French Fry Cartel

https://images.jacobinmag.com/wp-content/uploads/2025/01/02135358/GettyImages-1237064772.jpg
A group of four major frozen potato companies are accused of price-fixing and operating as a cartel, driving up the cost of french fries and Tater Tots. The companies allegedly use a third-party data analytics platform to share confidential business information and coordinate prices.

My Favorite Book on AI

https://images.gatesnotes.com/12514eb8-7b51-008e-41a9-512542cf683b/7ac14eb9-25d6-469f-a2ae-0fcd53c0ef17/20241126-The_Coming_Wave-vNext-2400x1500-001.png?w=1400&h=900&fit=clip&fm=jpg&q=75
The author recommends "The Coming Wave" by Mustafa Suleyman, a book that offers a clear-eyed view of AI's opportunities and risks. The book highlights the need for containment to limit the dangers of AI and biotechnology while harnessing their benefits.

Olympians turn to OnlyFans to fund dreams due to 'broken' finance system (2024)

https://i.cbc.ca/1.7290960.1723245672!/fileImage/httpImage/image.jpg_gen/derivatives/16x9_1180/jack-laugher.jpg?im=Resize%3D780
Olympic athletes are turning to OnlyFans to make ends meet due to a broken funding system that leaves most athletes struggling to pay rent. The International Olympic Committee has not expressed concern about the situation.

Social media distorts perceptions of norms (2024)

https://osf.io/ember_osf_web/engines-dist/registries/assets/img/osf-sharing-a2718fe80f1ec0591fe7a3886dc671e6.png
Social media creates a distorted view of social norms due to interactions between technology and human psychology. This distortion can lead to increased pluralistic ignorance and false polarization.

No-hole surgery: no keyhole, yet surgeons can now still operate under your skin (2023)

https://www.nibib.nih.gov/sites/default/files/inline-images/Yao-panels-840x340.jpg
Researchers are developing a method to 3D print biocompatible structures through skin and organs using focused ultrasound and a novel ink. This technique could enable minimally invasive surgeries, reducing risks associated with traditional procedures.

A video tour of the Standard Model (2021)

https://www.quantamagazine.org/wp-content/uploads/2021/07/standardmodel_1920x1080_VC.jpg
Physicists use the Standard Model to describe the universe's fundamental particles and forces, but it has limitations and can't explain gravity, dark matter, and dark energy. Mathematicians are working to develop a fresh perspective on quantum field theory to resolve open questions in physics.

Learn New Skills

https://www.attejuvonen.fi/static/92eb0beb02adda69075fbbba8cd1504c/14b42/openai_library.jpg
A collection of learning materials covers various skills including software development, music composition, machine learning, and more. Each resource is praised for its clarity, practical approach, and entertaining style, making it suitable for learning new skills.

How Do You Like What You've Built?

A colleague asked for a code review on complex UI changes, but after a brief delay, they returned with improved results and a more critical approach to their solution. Asking engineers about their own work can prompt them to reflect and improve it.

Duolicious – Open-source dating app

https://avatars.githubusercontent.com/u/134650848?s=280&v=4
Duolicious is a free, open-source dating app with over 2000 unique questions to help users find authentic matches. It encourages genuine connections through messaging and checks for originality in first messages.

Game dev in Rust: a year later

https://us1.discourse-cdn.com/flex019/uploads/rust_lang/original/3X/1/6/164564abf1e54ded47686b0637e20442a8368551.png
Rust game development is still challenging due to ownership restrictions and slow compile times, with several major projects abandoning it in 2024. The user has maintained and updated their own project, rend3-hp, but notes that Rust rendering lacks a spatial component and crate churn remains a problem.

The Evolution of Tunnel Boring Machines (2023)

https://substackcdn.com/image/fetch/w_520,h_272,c_fill,f_auto,q_auto:good,fl_progressive:steep,g_auto/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F98bc34f6-3311-46fe-b066-044b0f59fa49_1093x1151.png
Tunnel boring machines have evolved significantly over time, with early machines using manual labor and later ones using mechanized excavation equipment. Today, TBMs can tunnel through a wide variety of ground conditions and achieve high speeds.

AI-assisted coding will change software engineering: hard truths

https://substackcdn.com/image/fetch/w_520,h_272,c_fill,f_auto,q_auto:good,fl_progressive:steep,g_auto/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8575c977-9cda-4208-8320-62ddda130f24_1424x964.png
Addy Osmani, a software engineer and engineering leader at Google, shares his observations and predictions on the role of GenAI in software engineering, highlighting its potential to accelerate development but also its limitations and the need for human expertise. He emphasizes that AI tools are not a replacement for good software practices and that the goal is to build better software, not ...

Ask HN: Spending Tracking Tools

User is looking for a budgeting system that provides daily/weekly spending notifications and has tried several options including Plaid integrations. They are considering building their own system but are open to off-the-shelf solutions.

Reliable system call interception

Seccomp user notify allows intercepting system calls with minimal performance impact, making it a useful tool for tasks like file replacement in applications. It uses BPF filters to decide which system calls to intercept and injects file descriptors directly into the target process to make replacements transparent.

Blur Busters Open Source Display Initiative – Refresh Cycle Shaders

https://blurbusters.com/wp-content/uploads/2025/01/Display51-718x404.png
Blur Busters announced a breakthrough in simulating CRT displays with their real-time electron beam simulation, which reduces motion blur at any refresh rate, and plans to release a plasma display simulation shader later in 2025. The company is working on a specification for a refresh cycle shader system that can be implemented in operating systems, GPU drivers, and display manufacturers to ...

Size Optimization Tricks (2022)

https://worker.jart.workers.dev/sizetricks/shinmyoumaru-ltr.png
The author discusses their project Cosmopolitan, a codebase that aims to create small, portable executables using x86 assembly, and shares various techniques for size optimization, including run-length encoding, decentralized sections, and struct packing. The author also highlights the importance of making software development more fun and efficient, and how their project is designed to cater ...

Refurb Weekend: Atari Stacy

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiYopxsEEsZbOIImGlliYcl7gZ6z2VGcuJSxYjCEUHUILWO60q_y2nFuOXN5DYZSKorguGpdxpRWcmAzLuyHfd7FHCA9jDVAsb_5xMSt3eaRmPWga96YX0BZ91-FF9hm8k7bcLDQ_FMXuqTh6TmSKXXUMIrtsQ91_HZATkvyDFKr6UKTmSsOtGavd5Fatg/s320/PXL_20241130_220257531.jpg
The Atari Stacy is a portable ST system with a backlit monochrome LCD, keyboard, and trackball, but it's difficult to work on due to its design and lack of keyed connectors. The user upgraded a 1MB Stacy to 4MB of RAM, but it required significant modifications and adjustments to the screw depth to get the full 4MB of memory.

The world of 1930s public health posters

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The US government used art to promote public health and education during the 1930s through the Works Progress Administration, creating visually striking posters about diseases like syphilis and cancer. These posters not only raised awareness about serious health issues but also marked a new era in graphic design and advertising.

Do It in Jeans First

https://www.gkogan.co/content/images/size/w1200/2025/01/IMG_1606-1.jpeg
The author learned that sometimes simple solutions work best, like wearing jeans while hiking, and applied this to business where complex solutions aren't always necessary. They advise against overcomplicating problems and instead suggest starting with simple, low-cost methods.

Minimum bipartite matching via Riemann optimization (2023)

https://ocramz.github.io/images/assign_movie_iter-1000_n-10_lr-0.02_1735984842.gif
The user explores turning a combinatorial optimization problem into a differentiable one using the Birkhoff theorem and manifold optimization. They implement Riemann SGD on the manifold of doubly-stochastic matrices to solve the assignment problem with good convergence results.
United Airlines will introduce Starlink in-flight Wi-Fi in spring 2025, initially testing on Embraer E-175 aircraft. The airline plans to equip its entire regional fleet and 1,000 mainline planes with Starlink Wi-Fi by the end of 2025.

Expressive Vector Engine – SIMD in C++

https://raw.githubusercontent.com/jfalcou/eve/main/doc/logo.png
EVE is a C++20 library providing a type-based wrapper around SIMD extensions for various architectures. It's a research project aiming to show how C++20 can be used for high-performance libraries.

OCRing Music from YouTube with Common Lisp

https://nickfa.ro/w/images/thumb/Article1.png/400px-Article1.png
User tried to extract note data from a YouTube video of a chiptune song called Supersquatting using OCR, but Tesseract and GPT-4 failed. User then used a pixel diff method with Lisp and ImageMagick to successfully extract the note data.

Parallel-hashmap: drop-in replacement for unordered_map, unordered_set

https://raw.githubusercontent.com/greg7mdp/parallel-hashmap/master/html/img/phash.png
This repository provides a set of hash map implementations and btree containers with characteristics such as header-only, easy forward declaration, and dump/load features. The containers are designed to be fast, memory-efficient, and thread-safe, with support for various hash functions and serialization.

Understanding ReplicaSet vs. StatefulSet vs. DaemonSet vs. Deployments

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Kubernetes controllers manage resources like pods and services, with ReplicaSets scaling instances, Deployments providing rolling updates and rollback, StatefulSets managing stateful apps, and DaemonSets running one pod per node. Each controller solves a unique use case, and understanding their differences is crucial for choosing the right one for a specific scenario.

GPON FTTH networks (in)security (2016)

https://pierrekim.github.io/blog/images/2016-ftth-article1-pon-wikipedia.png
GPON FTTH networks have security vulnerabilities, including RCE and anonymous high-speed internet access, due to weak physical protection and authentication issues. Researchers have found 0day exploits and plan to publish more information on how to exploit GPON FTTH networks.

2024: A Record-Breaking Year for the Ocean Cleanup

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The Ocean Cleanup removed 11.5 million kilos of plastic from oceans and rivers in 2024, surpassing previous years combined. They expanded river cleanup efforts globally and refined their System 03 for efficiency and safety.

Do Kwon pleads not guilty to US fraud charges in $40B crypto collapse

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ESET recommends Linux if your unsupported Windows 11 PC can't update from 10

https://cdn.neowin.com/news/images/uploaded/2023/04/1682618797_windows_10_shutting_down_story.jpg
ESET Germany warns that 65% of German PCs, around 32 million, will be vulnerable to security risks when Windows 10 support ends. The firm recommends upgrading to Windows 11 immediately or using Linux on older hardware to avoid cyber attacks and data loss.

The Adrian Dittmann Story

https://maia.crimew.gay/img/posts/adrian-dittmann/cover.jpg
A freelance journalist, Jackie Sweet, was hired to write an article about Adrian Dittmann, who was suspected of being Elon Musk, but the article was poorly presented and failed to give credit to the original investigators. The investigators, maia and ryan, were left without credit and their social media accounts were suspended after they shared their story about the article's shortcomings.

Battle Scenes depicted in moving pictures before CGI

https://battlefieldanomalies.com/wp-content/uploads/2020/06/Griffith-battlefield-2.jpg
Film directors like Griffith, Gance, and Bondarchuk attempted to accurately portray historical battles in their films, but often compromised on details for the sake of spectacle. Their use of extras, camera angles, and special effects created the illusion of mass action, but sometimes lacked historical accuracy and narrative coherence.

CTO / cofounder exit deal after 1.5y at 600k revenue without SHA

You're exiting a deeptech company in France due to personal reasons and a breakdown in cofounder relationship. Your co-founder offered to buy 48% of your shares for €60k, allowing you to retain 1%.

How is my Browser blocking RWX execution?

https://rwxstoned.github.io/assets/img/5/mj.png
A popular browser has a security feature that acts like an EDR, hooking BaseThreadInitThunk to check thread creation at runtime. This feature checks if the target memory address is executable and if not, overwrites the thread start point with a sinkhole to prevent execution.

Waymo robotaxis safer than any human-driven cars

https://cleantechnica.com/wp-content/uploads/2025/01/Screenshot-2025-01-02-at-2.02.14%E2%80%AFPM.png
Swiss Re analyzed data and found Waymo's robotaxis safer than human drivers and new cars with advanced driver assistance systems. Waymo's 25.3 million miles logged 9 property damage and 2 bodily injury claims, compared to 78 and 26 expected for human drivers.

Edwin Cohn and the Harvard Blood Factory

https://substackcdn.com/image/fetch/w_520,h_272,c_fill,f_auto,q_auto:good,fl_progressive:steep,g_auto/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd6fbc3ce-6b45-4d39-a4e1-3c9d7440cbe6_1200x800.png
Edwin Cohn, a protein chemist at Harvard University, transformed his lab to develop medical products from blood proteins to treat shock and blood loss in soldiers during World War II, leading to the creation of albumin products that saved millions of lives. Cohn's success was remarkable, given his initial reluctance to engage in applied research, and his ability to manage technical talent, ...

AI's next leap requires intimate access to your digital life

True crime stories are influencing the real-life justice system

True crime storytelling has led to increased scrutiny of the criminal justice system, exposing flaws and influencing how professionals approach cases. However, it also raises concerns about public distrust and voyeuristic fascination with tragedy.

FCC net neutrality rules dead again as appeals court sides with Big Telco

https://regmedia.co.uk/2021/02/24/neutrality.jpg
The US 6th Circuit Court of Appeals struck down the FCC's net neutrality regulations, ruling the agency lacks authority to impose the rules. The decision effectively kills the regulations, which were reinstated in April 2024, and may return the internet to a pre-regulation state.

The largest hydroelectric dam in the world has been approved

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China approved a massive hydropower dam complex on the Yarlung Zangbo River in Tibet, set to become the world's largest. The project will produce nearly three times as much power as the current record-holder, the Three Gorges Dam.

Washington Post cartoonist resigns after cartoon satirising Jeff Bezos rejected

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Pulitzer Prize-winning cartoonist Ann Telnaes resigned from the Washington Post after her satirical sketch of Jeff Bezos bowing to Donald Trump was rejected. The newspaper cited repetition as the reason, but Telnaes claimed it was due to the point of view in the cartoon.
Microsoft plans to release Windows 365 Link, a cloud-only device with no local control, in April. It will be a dumb terminal with a monthly fee, likely between $28 and $315, giving users little control over their experience.

Coinage and the Tyranny of Fantasy 'Gold'

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The author discusses how ancient and medieval currency systems worked, highlighting the impracticality of using gold coins for everyday transactions. They argue that fantasy settings should use more realistic currency systems, such as silver or copper, to better reflect the economic realities of pre-industrial societies.

Ask HN: Is it a bad idea to make an email domain with an uncommon TLD?

Using a non-.com domain like .party can cause issues with web forms and people may add .com when telling your email address. It may also lead to emails being flagged as spam or blocked.

After Layoffs, Why Do Tech Firms Still Claim Talent Shortages?

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Job seekers in the tech industry are facing challenges despite having degrees and experience. Corporate priorities and labor dynamics may be shifting, leading to a mismatch between job seekers and available positions.

Discotool: USB Arduino type boards discovery library and tool

https://raw.githubusercontent.com/Neradoc/discotool/main/docs/list_tiny_nano_esp32.png
Discotool is a command line program for Python 3 that manages CircuitPython boards, allowing users to connect, eject, and backup drives. It supports various commands, filters, and environment variables for customization and can be installed via pip.

Boy, 7, found alive five days after going missing in 'lion-infested' game park

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A seven-year-old boy in Zimbabwe survived five days in a lion-infested game park by eating wild fruits and sleeping on a rocky perch. He was found 49km from his village after a search operation and is recovering in a local clinic.

Instant Graphics and Sound

Show HN: I built a tool to rank cities based on purchasing power for SWEs

https://utfs.io/f/RToAe7ImOjGaKSVxE3xcUXoNmzBZMuidxqGvascj3DFE2w91
Ranking the best cities for software engineers based on local salaries, tax rates, and cost of living. Find out how much more you could be making by moving to another city.

Magna: Embedding similarity search tool for searching within large documents

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Magna uses Embedding Similarity Search to retrieve semantically relevant text results. It supports multiple document retrieval and offers customization options for user needs.

How to decode METAR and TAF reports

METAR and SPECI messages report airfield weather conditions, while TAFs provide terminal forecasts. Automated weather observation systems like ASOS/AWOS report weather parameters, but may not be used in certain situations.

Being a career-obsessed engineer wasn't the optimal way to be fulfilled

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To achieve career growth and life fulfillment, focus on intentional action, reflection, and prioritizing life areas. Identify your current life stage and align your actions with your values to maximize results.

Myth of Meritocracy

The myth of meritocracy suggests that achieving upward social mobility through individual merit is not widely attainable in capitalist societies due to inherent contradictions. Wealth disparity and limited class mobility remain widespread, despite the promotion of meritocracy as an open and accessible method of achieving upward class mobility.

There are different sorts of WireGuard setups with different difficulties

The user has categorized WireGuard setups from easiest to most challenging based on routing complexity and IP address overlap. The most difficult setup is a true VPN configuration where some endpoints are reachable both inside and outside WireGuard, requiring additional setup like fwmark and policy-based routing rules.