a42z — knowledge hub

Trending & Newsworthy (5 stories) 5

▼

Single ATC controller was managing LaGuardia Airport at time of Air Canada crash [video]

notRobot2026-03-24↑ 130 comments

Critical aviation safety incident raises questions about ATC staffing and automation in critical infrastructure.

BIO – The Bao I/O Co-Processor

hasheddan2026-03-21↑ 396 comments

Novel hardware co-processor for I/O could impact edge computing and embedded systems design.

Ripgrep is faster than {grep, ag, Git grep, ucg, pt, sift}

jxmorris122026-03-24↑ 114 comments

Ripgrep remains essential infrastructure; performance benchmarks matter for large-scale code search and developer tooling.

Starlette 1.0.0

tosh2026-03-24↑ 50 comments

Starlette 1.0.0 marks stability milestone for popular Python ASGI framework used in production APIs.

Liquid Glass Is Permanent

imaq2026-03-24↑ 40 comments

Apple's Liquid Glass design system signals significant UI paradigm shift affecting macOS/iOS development.

AI Agents and Companions 3

▼

Best agent configurator? Soul + ID files etc

u/aaronhs2026-03-24r/artificial

I'm running a couple of OC installs, one light weight with cloud models on a proxmox cluster and another directly on my new M5 mbp with 128gb ram running local models. As we know SOUL and IDENTITY f

ELI5 wtf is an AI agent?

u/No-Difference-73272026-03-23r/artificial

Is it something that i have to code?

Everyone is looking for friend here, just curious do you guys talk you chatgpt or claude like they are your friend or it's just me ?

u/Short_Locksmith_98662026-03-23r/artificial

Im 24 m,and I really can't carry the conversation in real, so I find myself talking to chatgpt or claude I even tried to make myself ai companion but it's not that great ,just curious do you guys do l

Cybersecurity Industry Challenges 6

▼

I’m a cybersecurity practitioner with 24 years of experience, Blackhat speaker and trainer. AMA about careers, building a security business, and where AI is breaking everything.

u/AnswerPositive65982026-03-23r/cybersecurity

I’m KK — CEO and Co-Founder of Network Intelligence, Co-Founder of Transilience AI, and a cybersecurity practitioner since 2001. I hold CISSP and CISA certifications and have spent my career across p

MCP Security Testing

u/Hour-Preparation-8512026-03-24r/cybersecurity

I'm looking for some guide on how Penetration testing is performed on MCP Servers. I'm aware we need to try calling different tools with prompt injection based, check the MCP endpoint for data leakage

SOC Analyst technical interview questions

u/WTFitsD2026-03-23r/cybersecurity

Hi all! I have a 3rd round technical interview with a panel of 3-4 interviewers and since I've never had an interview like this I was wondering if anyone on here had good resources to practice for, it

CRTP or OSED after OSCP?

u/Aloiid2026-03-24r/cybersecurity

Hey, I’ve got OSCP and I’m not sure what to do next: CRTP or OSED. I’m aiming for red team long term, maybe research later. I like low-level stuff, but I also want something useful in real-world job

How many of you use different firewall vendors for north/south vs. east/west traffic.

u/tcDPT2026-03-23r/cybersecurity

I hadn’t seen a recent iteration of this question. Just curious about how this looks in the real world. If you care to share details about org size or other variables that influences this decision fee

What tools do you use for vulnerability management and CVE remediation?

u/NewZealandTemp2026-03-23r/cybersecurity

Genuine question. With the volume of CVEs and the constant noise around critical findings, I’m interested in what people actually use for vulnerability management and CVE remediation and what’s worked

Open Source Tool Monetization 2

▼

Scratched our own itch, built a tool, open-sourced it. Now figuring out if $299 one-time installs is a real business.

u/cwakare2026-03-24r/Entrepreneur

The problem: our team couldn't find answers in our own documentation. Not because the docs didn't exist - they did. Keyword search just fails when you don't remember the exact words used. What we bui

I spent 3 days trying to list my product on directories. Why do listing directories still work like it's 2012? I will not promote.

u/techieram7_2026-03-24r/startups

Built a product for small dev teams. Went to list it on Product Hunt, BetaList, TinyLaunch and a few others. Most of them want you to: * Pay to get featured * Wait days for approval * Manually fill

Web Development Workflow Evolution 3

▼

DAE work with a marketing department that is hell bent on overly using animations, sliders, and etc. for no real good reason?

u/cleatusvandamme2026-03-24r/webdev

For various reasons, I'm close to my breaking point with my current employer. My current work organization is my employer is under a parent company. The parent company is trying to making everything

Does the sheer thought of touching grass shake you to your core? If so, we'd be a perfect fit.

u/PabloKaskobar2026-03-23r/webdev

https://preview.redd.it/r40u2uxbtsqg1.png?width=1201&format=png&auto=webp&s=5986c1024eb57d8f034a74601eb8097784a68236 "10x developer" was bad enough, and now we have "AI-powered 10x develo

I asked Google Stitch to generate me a quiz web page and it gave me this

u/Shikitsumi-chan2026-03-24r/webdev

https://preview.redd.it/gn4i6wsctyqg1.png?width=948&format=png&auto=webp&s=6da784a792765c2233695c804a56e1a3bfbe4c98

ML Research and Review Culture 2

▼

[D] ICML 2026 Review Discussion

u/Afraid_Difference6972026-03-24r/MachineLearning

ICML 2026 reviews will release today (24-March AoE), This thread is open to discuss about reviews and importantly celebrate successful reviews. Let us all remember that review system is noisy and we

[D] Decoding backchannel info: Is a PI being "aggressive in research" a massive red flag? (C1 vs Siemens AI Lab)

u/AstroDnerd2026-03-24r/MachineLearning

Hey everyone, 4th year Physics PhD here doing applied ML (surrogate models for fluid dynamics). I’m trying to finalize my summer 2026 internship and I'm totally torn between two offers, mostly because

Startup Validation and Early Traction 2

▼

I just booked a major meeting with a potential client ( I will not promote)

u/Dazzling_Hand61702026-03-23r/startups

This morning I got up and saw the booking. I couldn't believe it to be honest. I got a meeting with a potential client so huge that if he signed the contract this money would literally be life-changin

I’m building a tool to help small businesses collect & display testimonials validating before I build (I will not promote just need validation). Would you use this?

u/rgwalani982026-03-23r/startups

Hey, I’m a solo dev validating an idea before building. The problem I’m solving: Small businesses know they need testimonials on their site, but getting them is awkward (WhatsApp DMs, Google Form

No-Code and Low-Barrier Web Presence 2

▼

What's the best way to build a website for my business when I have zero technical skills and no budget for an agency?

u/Significant_Pen_36422026-03-23r/webdev

Just started a home cleaning business six months ago and I've been getting by on referrals and a Facebook page. Starting to feel the pressure to have an actual website for services something that lo

QR Code help

u/Fantastic-Ad-91002026-03-23r/webdev

Hi. I used [many.bio](http://many.bio) (similar to linktree) to make a landing page. They give you your own url name like many.bio/myname. So I made a static qr code for this link and put it in the ba

Other 5

▼

Do small agencies actually standardize on one tech stack or is everyone just winging it per project

u/theideamakeragency2026-03-24r/webdev

Running a small agency. Clients are mostly local service businesses - cleaners, contractors, consultants. Budgets anywhere from $500 to $1,500. Every project feels like starting the stack conversatio

Launching a redesigned website, switching from old to new - how do you make sure everything goes smoothly?

u/blchava2026-03-24r/webdev

When you redesign a big site with hundreds or thousands of daily visitors - how do you switch from old to new website and make sure it will be working properly without a downtime, etc? Do you have a

Sneaky Header Blocker Trick

u/feross2026-03-23r/webdev

First my work, now my client... New company is trying to get rid of me

u/AtlasSEOGuy2026-03-24r/Entrepreneur

A few months ago, my client hired a new paid ads company, which actually came from my own recommendations, as I'm an SEO guy and I told him that organic things take time, and because of this, he shoul

Looking to make a small circle of eCommerce founders

u/Tephra99772026-03-24r/Entrepreneur

I’m getting into ecommerce myself and starting my first brand. Looking for others in a similar position to form a small group, have regular calls, share resources and just help each other along the w

No sections.

Last week 17

▼

Thermodynamics: The New Frontier of AI Infrastructure – Issue #22

Mayfield FundMayfield Fund2026-03-21vc

Charts of the Week: Learning to Weld

Andreessen HorowitzAndreessen Horowitz2026-03-20vc

How Founders Can Apply Zapier’s AI Playbook

Madrona Venture GroupMadrona Venture Group2026-03-20vc

Copper One: The World's Only Autonomy-First Mine & Refinery

Andreessen HorowitzAndreessen Horowitz2026-03-19vc

Investing in Deeptune

Andreessen HorowitzAndreessen Horowitz2026-03-19vc

OpenClaw is Emerging as Linux for Agents

Mayfield FundMayfield Fund2026-03-19vc

Agents for Security: The Tipping Point for Offensive AI

Menlo VenturesMenlo Ventures2026-03-19vc

From Scotland to Sydney: Andy Watt on Leading Nearmap’s Global Growth

Thoma BravoThoma Bravo2026-03-19vcdate-unverified

The internet ruined customer service. AI could save it.

Andreessen HorowitzAndreessen Horowitz2026-03-18vc

Disruption vs. Durability: Three Takeaways from the 2026 Montgomery Summit

Madrona Venture GroupMadrona Venture Group2026-03-18vc

Twitter’s Ex-CEO: The Web Was Built for Humans — Let’s Make it Work for AI Agents

Madrona Venture GroupMadrona Venture Group2026-03-18vc

Partnering with Edra: Context for Agents at Scale

Sequoia CapitalSequoia Capital2026-03-18vc

Your product won’t sell itself

Andreessen HorowitzAndreessen Horowitz2026-03-17vc

Significance > Success

Collaborative FundCollaborative Fund2026-03-17vc

The Agent era may be the end of single-step thinking

Insight PartnersInsight Partners2026-03-17vc

Why Thermodynamics is the New Frontier of AI Infrastructure

Mayfield FundMayfield Fund2026-03-17vc

The AI Leadership Reckoning is Here

Radical VenturesRadical Ventures2026-03-17vc

Last month 30

▼

Why the World Still Runs on SAP

Andreessen HorowitzAndreessen Horowitz2026-03-16vc

AI’s Oppenheimer Moment

Andreessen HorowitzAndreessen Horowitz2026-03-16vc

Congratulations to Juno on Joining Ramp

Madrona Venture GroupMadrona Venture Group2026-03-16vc

The Next Generation of Engineering Innovators Is Already Solving Real Problems

Madrona Venture GroupMadrona Venture Group2026-03-16vc

Labor as a Service: The $30T Market for Work – Issue #21

Mayfield FundMayfield Fund2026-03-14vc

Charts of the Week: Monitoring the Situation in Hormuz

Andreessen HorowitzAndreessen Horowitz2026-03-13vc

Agent-led growth: The next GTM motion is already here

Insight PartnersInsight Partners2026-03-13vc

History Rhymes?

Union Square VenturesUnion Square Ventures2026-03-13vc

Institutional AI vs Individual AI

Andreessen HorowitzAndreessen Horowitz2026-03-12vc

Wonderful Raises $150M Series B to Accelerate Enterprise AI Adoption in 30+ Markets

Insight PartnersInsight Partners2026-03-12vc

Using AI to augment, automate, even anticipate: Introducing the 3A framework

Insight PartnersInsight Partners2026-03-12vc

Axiom Math and the Founders Who Work at the Frontier

Madrona Venture GroupMadrona Venture Group2026-03-12vc

AI Will Write All the Code. Mathematics Will Prove It Works.

Menlo VenturesMenlo Ventures2026-03-12vc

Nearmap: Building a Global Property Intelligence Platform

Thoma BravoThoma Bravo2026-03-12vcdate-unverified

Investing in Mind Robotics

Andreessen HorowitzAndreessen Horowitz2026-03-11vc

The world needs an AI lab — for Data

Andreessen HorowitzAndreessen Horowitz2026-03-11vc

Investing in Nexthop AI

Andreessen HorowitzAndreessen Horowitz2026-03-10vc

Your Data Agents Need Context

Andreessen HorowitzAndreessen Horowitz2026-03-10vc

March 10, 2023: When SVB fell, "Founder-Friendly" was put on trial

Khosla VenturesKhosla Ventures2026-03-10vc

Armadin: The Ultimate Attacker

Kleiner PerkinsKleiner Perkins2026-03-10vc

Training Clinical Agents Like Doctors: Why We Invested in Amigo

Madrona Venture GroupMadrona Venture Group2026-03-10vc

People First Leadership

Mayfield FundMayfield Fund2026-03-10vc

Why We Backed Rhoda AI: The $30 Trillion Physical AI Market

Mayfield FundMayfield Fund2026-03-10vc

The Legal AI Inflection Point: Our Investment in Legora

Menlo VenturesMenlo Ventures2026-03-10vc

Partnering with Scanner: Every Log Tells a Story—If You Can Find It Fast Enough

Sequoia CapitalSequoia Capital2026-03-10vc

Top 100 Gen AI Consumer Apps: March 2026

Andreessen HorowitzAndreessen Horowitz2026-03-09vc

How Optain Health is transforming disease detection through the eye

Insight PartnersInsight Partners2026-03-09vc

Welcoming Matt Carbonara to the Mayfield Team

Mayfield FundMayfield Fund2026-03-09vc

In Defence of Vertical Software

Radical VenturesRadical Ventures2026-03-09vc

People-First Leadership – Issue #20

Mayfield FundMayfield Fund2026-03-07vc

Older 74

▼

Benchmarks Are Broken: 5 Operator Metrics Every AI Exec Should Track

Accel - Seed to ScaleAccel - Seed to Scalevcdate-unverified

The AI Browser Shift: What Founders Should Build Next

Accel - Seed to ScaleAccel - Seed to Scalevcdate-unverified

How to Build an Enduring Startup? Insights from Gokul Rajaram

Accel - Seed to ScaleAccel - Seed to Scalevcdate-unverified

Insights By Accel

Accel - Seed to ScaleAccel - Seed to Scalevcdate-unverified

SaaS Playbook: Learning from the Practitioners and Building a Community

Accel - Seed to ScaleAccel - Seed to Scalevcdate-unverified

All Insights

Bain Capital VenturesBain Capital Venturesvcdate-unverified

Inside MaintainX's $150M Series D

Bain Capital VenturesBain Capital Venturesvcdate-unverified

Celebrating Moveworks + ServiceNow on their agreement to be acquired

Bain Capital VenturesBain Capital Venturesvcdate-unverified

Crusoe’s Climb: Betting on Power Before AI Was Cool

Bain Capital VenturesBain Capital Venturesvcdate-unverified

Legora raises Series D to build the world's first collaborative AI for lawyers.

Bain Capital VenturesBain Capital Venturesvcdate-unverified

Research