The hottest Substack posts right now

according to Hacker News
Category

Understanding the CAP theorem [Math Mondays]

Technology Made Simple • 99 implied HN points • 10 Jan 23
🕹 Technology Consistency Tradeoffs Systems
  1. The CAP theorem states that in a distributed system, you can only guarantee 2 out of 3 desirable traits: Consistency, Availability, and Partition Tolerance.
  2. Consistency in the CAP theorem ensures that all nodes in a network have the same data at the same time.
  3. Availability means that every read or write request will either succeed or receive an error message, with every node responding in a reasonable time.

The Three Tenets for AI Security and How to Audit Activity Logs

Rod’s Blog • 59 implied HN points • 10 Nov 23
🕹 Technology Access AI Security Data
  1. AI security involves three main tenets: secure code, secure data, and secure access. It is crucial for security professionals to ensure AI systems are designed, developed, and maintained following these principles.
  2. To achieve secure code, monitor and update AI systems regularly, validate and verify their performance, and adhere to secure development practices and tools.
  3. When auditing activity logs, focus on detecting cyberthreats, troubleshooting and resolving issues, and optimizing performance. It involves collecting, analyzing, visualizing, and reporting on the activities within the AI system.

DALL·E 2 Decoded

Gradient Flow • 219 implied HN points • 21 Jul 22
🕹 Technology Events Books AI Data Podcasts
  1. A guide to data annotation and synthetic data generation helps navigate the variety of tools available in the machine learning and artificial intelligence landscape.
  2. The Data Exchange podcast features conversations on DALL�E, scalable machine learning, and orchestration tools for data scientists.
  3. Book recommendations offer a diverse selection including finance, the Metaverse, rogues, and visionary figures like John von Neumann.

TAO - Meta's Scalable architecture powering world's largest social graph

Engineering At Scale • 120 implied HN points • 09 Nov 24
🕹 Technology Data Engineering Software Architecture Systems
  1. Meta created TAO to handle the huge amount of data and user interactions on its platform. This system helps generate personalized content for over 2 billion users very quickly.
  2. TAO uses a layered architecture that includes caching and data storage to improve performance. This design helps distribute the load and maintain fast responses even when many users are active.
  3. TAO prioritizes high availability over strict data consistency. This means it can sometimes show slightly out-of-date information, but it still works well for users, especially during busy times.
Get a weekly roundup of the best Substack posts, by hacker news affinity:

Weekly Dose of Optimism #121

Not Boring by Packy McCormick • 113 implied HN points • 22 Nov 24
🕹 Technology Quantum Crypto Medicine AI Space
  1. SpaceX successfully launched its Starship rocket, showing impressive advancements in reusable spacecraft technology. This progress is critical for potential lunar and Mars missions in the future.
  2. Javier Milei, the President of Argentina, has implemented significant economic reforms that have led to positive results like reducing inflation and achieving a fiscal surplus. His methods may influence similar government efficiency efforts in other countries.
  3. A breakthrough in quantum technology introduced a new type of qubit using mechanical vibrations. This can help improve quantum computing and create advanced technologies for various industries.

Maine Micdrop: Auto Right to Repair Wins 84% Support At Polls

Fight to Repair • 59 implied HN points • 10 Nov 23
🕹 Technology Policy Data Privacy Repairability Ecosystem Sustainability
  1. Maine voters strongly support the right to repair automotive vehicles, mirroring efforts in other states. Voting yes on Question 4 allows car owners to choose where they get their vehicles repaired.
  2. Denver's Waste No More initiative promotes deconstruction over demolition to recycle and reuse construction materials, reducing landfill waste and lowering carbon footprint. Transitioning to deconstruction on a large scale faces challenges.
  3. Recognizing the environmental impact of construction waste, Denver residents passed the Waste No More ballot initiative. The ordinance requires the separation and recycling of several materials in construction and demolition activities.

The Future of Finance: Substack’s Market Forecast Summit

Substack Blog • 93 implied HN points • 15 Jan 25
💰 Finance Economics Investment Financial Independence Market Trends
  1. Finance and business experts are increasingly sharing knowledge independently, as trust in traditional media decreases. This helps them build real connections with their audience.
  2. The Substack Market Forecast Summit will happen on January 31, where top finance minds will discuss investment strategies and economic trends for 2025.
  3. More finance professionals are using Substack to share their insights directly with subscribers, which offers investors better access to valuable information.

Decoding Carbon Offset Markets for Tech: Basics, Trends and Challenges

Growing Products Newsletter • 39 implied HN points • 18 Jan 24
🕹 Technology Challenges Sustainability Blockchain Market Trends
  1. Carbon offsetting involves compensating for greenhouse gas emissions using carbon credits or offsets.
  2. The carbon market includes Compliance Carbon Market (CCM) and Voluntary Carbon Market (VCM), each with its unique regulations and trading systems.
  3. Challenges in carbon offsetting include issues like exaggerated emission reductions, indigenous rights violations, and neocolonialism concerns.

The 3 top mistakes of managers under 30

Leading Developers • 103 implied HN points • 17 Dec 24
💼 Business Workplace culture Professional Growth Management Leadership Career development
  1. Young managers often worry about their age and try too hard to prove themselves. It's better to ignore age and focus on maturity and confidence.
  2. Trying too hard to be liked can backfire. It's important to give honest feedback and set clear expectations without being overly apologetic.
  3. Making quick decisions can be risky. It's wise to consult team members, especially those with more experience, before deciding on important matters.

Metaphors And Analogies

Teaching computers how to talk • 115 implied HN points • 24 Nov 24
🕹 Technology Metaphors Machine Learning Human-computer interaction Language processing Artificial Intelligence
  1. Metaphors and analogies are a big part of how we talk about AI. They can help us understand things but sometimes make it harder to see what's really going on.
  2. Many people see AI as having human-like qualities, which can lead to overestimating its abilities. We should remember that AI is just a tool and not something with a mind.
  3. It's important to rethink how we view AI and use better descriptions. AI should help us improve our thinking and creativity, not replace them.

Faster computers afford dumber solutions

Wednesday Wisdom • 104 implied HN points • 18 Dec 24
🕹 Technology Software Development Machine Learning Data Management Systems Architecture
  1. Faster computers let us use simpler solutions instead of complicated ones. This means we can solve problems more easily, without all the stress of complex systems.
  2. In the past, computers were so slow that we had to be very clever to get things done. Now, with stronger machines, we can just get the job done without excessive tweaking.
  3. Sometimes, when faced with a problem, it's worth it to think about simpler approaches. These 'dumb' solutions can often work just as well for many situations.

Must Learn AI Security Compendium 14: Securing On-prem LLMs

Rod’s Blog • 59 implied HN points • 09 Nov 23
🕹 Technology Machine Learning AI Privacy Security
  1. On-prem LLMs offer privacy benefits by keeping data and texts secure from unauthorized access or leaks.
  2. On-prem LLMs enhance security by reducing cyber attack risks due to not relying on external components or services.
  3. On-prem LLMs improve performance by utilizing an organization's own hardware and software resources for efficient language generation.

Build Your Own SMTP Server in Go

Valyent's newsletter • 4 HN points • 27 Jul 24
🕹 Technology Web Development Software Development Programming Open Source
  1. Building your own SMTP server helps you understand how emails are sent and received. It allows you to learn the important protocols like SMTP, IMAP, and POP3.
  2. Authentication methods like DKIM, SPF, and DMARC are crucial for ensuring that your emails are delivered successfully and trusted by recipients. They help prevent spam and email spoofing.
  3. Using Go to create your SMTP server involves setting up commands that handle email transactions. You will learn how to manage sender and recipient details, authenticate users, and send emails efficiently.

Reader Mailbag: Struggling to do it all

Tech and Tea • 246 implied HN points • 09 Mar 24
🕹 Technology Work-life balance Career development Personal Growth Technical Skills
  1. Struggling with work-life balance, technical up-skilling, and finding identity outside of work is common among many engineers and professionals. It's important to prioritize what aligns with personal values and well-being.
  2. Careers in the tech industry can take diverse paths, and it's okay to explore different roles or take breaks to pursue other interests. Embracing change and personal growth is a natural part of a long career.
  3. Building expertise, whether technical or in other areas, is valuable and transferable across different domains. Prioritizing personal growth and balancing work with other life aspects is essential in navigating career challenges.

Under the microscope: Batman Begins (PlayStation 2, GameCube, Xbox)

Rings of Saturn • 43 implied HN points • 14 Jun 25
🕹 Technology Retro Gaming Video Games Software Cheat Codes Game design
  1. Batman Begins, the old video game, has a cheat code that lets you unlock everything. You can access all bonus content just by entering a special button sequence.
  2. The cheat codes for the game are different for each console, like PlayStation 2 and Xbox. This means you need to follow the right button combo for the version you're playing.
  3. Finding cheat codes can be fun and remind you that it's never too late to explore old games. Who knows what other secrets are hidden in games from the past?

The inside story of Amplitude’s new self-service plan

Kyle Poyar’s Growth Unhinged • 252 implied HN points • 06 Mar 24
💼 Business Marketing Revenue Growth Product Development Sales
  1. Launching a self-service plan can lead to significant improvements in conversion rates, even if initial numbers are low
  2. It's important to involve the sales team in the self-serve journey to avoid cannibalization and maintain a healthy balance between self-service and enterprise sales
  3. Revisiting pricing and packaging is crucial for the success of a self-service model, including conducting user interviews, analyzing features, and monitoring competitors

✅ Notes on the UK public relations agency market

Wadds Inc. newsletter • 119 implied HN points • 26 Apr 23
💼 Business Corporate strategy Public Relations Economy Investment Consumer behavior
  1. The UK public relations market is facing a slowdown, making it harder for agencies to hit their business targets. Clients are being cautious, leading to delays in contracts and payments.
  2. There’s a shift in the relationship between agency employers and employees, with hiring freezes replacing discussions about pay increases. Many agencies are holding back on new hires except for key roles.
  3. Despite challenges, areas like health, DE&I, and AI are still seen as important. Agencies are encouraged to focus on their fundamentals and prepare for future opportunities as the market stabilizes.

How to practice isometric software development

Bad Software Advice • 247 implied HN points • 11 Mar 24
🕹 Technology Software Development Company dynamics Ownership
  1. Transition from offense to defense in a company means focusing on predictability and consistency rather than rapid growth.
  2. Operate within constraints by aligning your project with the company's current theme to open doors and ease scrutiny.
  3. Find ways to expedite approvals, deflect ownership, and handle criticism strategically to navigate a defensive organizational culture.

4 Reasons Why Now Is The Perfect Time To Create A Substack Newsletter

Kristina God's Online Writing Club • 179 implied HN points • 16 Nov 22
💼 Business Entrepreneurship Marketing Writing Digital Media
  1. Email newsletters can give a great return on investment, making it a smart tool for marketing. For every dollar spent, you can expect to make about $44.
  2. Your email list gets more valuable over time, helping you connect with your audience better. It's a way to build a real relationship, unlike social media interactions.
  3. Having your own newsletter means you own your audience and can reach them anytime, no matter what happens to other platforms like Medium or Twitter.

Ambition's Gravity

Not Boring by Packy McCormick • 245 implied HN points • 06 Mar 24
🕹 Technology Innovation Inspiration AI Space Tools
  1. There are three main approaches to thinking about AI: fear of job loss, fear of missing out on AI skills, and using AI as a tool to achieve personal goals.
  2. Decide to do big things, determine the most ambitious goal for your life, and leverage the incredible tools available to make it happen faster.
  3. Ambition is contagious, empowering, and crucial in shaping the reality you want; name your ambition, set big goals, and watch the world contribute to making them a reality.

BIWEEKLY BRIEFLY NOTED: For 2024-12-05 Th

Brad DeLong's Grasping Reality • 107 implied HN points • 05 Dec 24
🕹 Technology AI Economics Cybersecurity Hardware Fintech
  1. Intel has faced a lot of trouble due to poor decisions made years ago. The issues they are now trying to fix are rooted in choices that stretch back more than a decade.
  2. Spending on AI is growing, but it's still far below what many companies expected. Big tech firms are investing heavily in AI to protect themselves from competition, even though they don't see immediate profits.
  3. China is now the main driver of global warming, and other countries have significantly cut their CO2 emissions. Tackling climate change is increasingly seen as a challenge that China needs to address.

Tariff Engineering, Explained

SatPost by Trung Phan • 84 implied HN points • 07 Feb 25
💼 Business Tariffs International Trade Product Design E-commerce Market Competition
  1. Tariff engineering is when companies change their products slightly to pay less in import taxes. This can involve using different materials or designs that fit into cheaper tariff categories.
  2. Some well-known brands, like Converse and Subaru, have used tariff engineering to give their products lower duty rates. This practice can lead to legal debates but is generally accepted as long as rules are followed.
  3. Recent changes in tariff rules, especially related to low-value imports, can affect companies like SHEIN and Temu significantly, potentially leveling the playing field for U.S. businesses and impacting the prices consumers pay.

RTO mandates tend to follow poor results

Make Work Better • 125 implied HN points • 21 Oct 24
💼 Business Remote work Workplace culture Mental health Employee Rights
  1. Return-to-office rules often happen after companies see bad results. This suggests that there might be a link between poor performance and the push for employees to return to the office.
  2. Many people are facing burnout in their jobs, which can lead to serious thoughts about life. It's important to talk about mental health and the pressures of work.
  3. Companies are starting to pay more for jobs that require workers to be in the office, with some salaries increasing by around 20%. This shows a shift in how businesses value in-person work.

Good brittle

The Uncertainty Mindset (soon to become tbd) • 99 implied HN points • 28 Jun 23
🕹 Technology Adaptation User Experience AI Software Design
  1. Situated software is made for specific needs in small groups. It may lack polish but works well for those it helps.
  2. Good brittleness means being tailored to a specific situation and easily adapting when things change. This makes systems and products more responsive.
  3. We should focus on building things that are both suited to situations and able to change easily, rather than just aiming for large, flawless systems.

Wealth, Trauma, Splendor - Introduction

Inland Nobody • 80 implied HN points • 09 Feb 25
📖 Philosophy Meaning Values Humanity Ethics Happiness
  1. Happiness is the ultimate goal in life, and it takes many paths to achieve it. Finding what brings you joy is a personal journey.
  2. Wealth is important, not just as money, but as having enough resources to help others and improve lives. The more resources we have, the more good we can do.
  3. Decreasing trauma and increasing joy in life, or 'splendor', are key to personal and societal happiness. Every small effort counts in making the world a better place.

FHFA Announces Baseline Conforming Loan Limit Will Increase to $832,750 in 2026

CalculatedRisk Newsletter • 9 implied HN points • 25 Nov 25
💰 Finance Economics Real Estate Housing Market Loans Investments
  1. The baseline conforming loan limit for most of the U.S. will rise to $832,750 in 2026, increasing by $26,250 from the previous year.
  2. In high-cost areas like Los Angeles, the loan limit will be even higher, reaching $1,249,125 for one-unit properties.
  3. Different areas have different loan limits, and they depend on both location and the number of units in a property.

Amazon is the new robotics champion

Robots & Startups • 19 implied HN points • 14 Apr 24
🕹 Technology Events Innovation Startups AI Robotics
  1. It took Amazon only 10 years to reach nearly 1 million robot deployments, showing rapid growth in the robotics industry.
  2. Amazon is investing heavily in robotics and AI technologies, with over €700 million allocated for advancements across Europe.
  3. Upcoming robotics events include RoboGames, Robotics Summit & Expo, and the Robotics Investment Summit, offering diverse opportunities for engagement and learning.

How to improve an earnings call

Klement on Investing • 1 implied HN point • 12 Feb 26
💼 Business Corporate Finance Earnings Calls Investor Relations Corporate Communication
  1. Earnings calls that get more people to actively listen lead to higher trading volume and a better immediate share-price reaction.
  2. People tune in more when calls aren’t scheduled against other events, include slide decks and clear forward-looking numbers, and when presenters speak at a measured pace, vary loudness a bit, and avoid frequent speaker changes.
  3. Don’t try to dazzle or overload listeners; keep the content moderately complex, minimize disruptions, and help investors get into a flow state.

Top Questions ahead of Eagle Alpha’s Next Level Alternative Data Conference

The Data Score • 39 implied HN points • 16 Jan 24
💼 Business Alternative Data Asset management Generative AI
  1. The future of the alternative data industry and how smart asset managers are preparing for it is a key theme in the upcoming conference.
  2. The use of generative AI in financial markets, its applications, constraints, and implications are important topics to be explored.
  3. Corporate data strategy including use cases, monetization challenges, and blockers will be a focal point of discussion at the conference.

Asking Rents Mostly Unchanged Year-over-year

CalculatedRisk Newsletter • 38 implied HN points • 02 Jul 25
💰 Finance Economic Policy Supply & Demand Real Estate Housing Market
  1. Asking rents have mostly stayed the same over the past year. While there have been slight month-to-month increases, overall rent growth has slowed down.
  2. Different sources report varying trends in rents, with some noting recent decreases while others show modest increases. This suggests that the rental market is a bit mixed right now.
  3. Factors like increased supply of rental units and changing immigration policies are affecting rents. These influences may continue to shape the rental landscape throughout the year.

How to Monitor the Microsoft Sentinel Trial Period

Rod’s Blog • 59 implied HN points • 07 Nov 23
🕹 Technology Data Management Software Microsoft Cloud Computing
  1. For Microsoft Sentinel customers, a 31-day trial period is available by enabling Microsoft Sentinel on a Log Analytics workspace.
  2. To monitor the trial period, look under the 'News & Guides' blade and access the 'Free Trial' tab to see how many days are left.
  3. In the past, the 31-day trial could be enabled unlimited times on new workspaces, but now it's limited to 20 times per Azure subscription.

Best of Brand & Advertising this week - Emmy's, Gen-Z Stare, Publicis vs Omnicom, Timothée Chalamet + Canada

The Social Juice • 34 implied HN points • 19 Jul 25
💼 Business Advertising Branding Marketing Media Finance
  1. Publicis Groupe improved its growth forecast to 5% due to recent business wins. This shows that successful marketing can really impact company performance.
  2. Gen Z is increasingly engaging with brands through social media and is known for its notable 'stare' at brands. Marketers need to understand this audience's behavior for effective outreach.
  3. The Emmy Awards highlighted several impressive commercial nominees. Brands are recognizing the importance of creative advertising to connect with audiences.