The hottest Substack posts right now

according to Hacker News
Category

Borrow Checking from Scratch

Burning the Midnight Coffee • 64 implied HN points • 17 Nov 24
🕹 Technology Compilers Systems Programming Software Memory management
  1. The concept of 'borrow checking' helps programmers ensure their code is memory safe. This means the code won't allow unsafe practices like using memory that has already been freed.
  2. Implementing a simple, C-like language called Cnile can introduce memory safety by adding rules that check for issues during compilation rather than at runtime. This involves stopping problems like double-free and use-after-free situations.
  3. Using single-use types ensures resources can only be used once, which helps prevent memory leaks and makes it safer to manage dynamic data structures in programming.

I made 1+1=0 in DuckDB

VuTrinh. • 19 implied HN points • 03 Feb 24
🕹 Technology Programming Software Development Analytics Databases Data Engineering
  1. DuckDB is easy to use because it works like SQLite, running directly inside applications without needing a separate server. This makes it simpler to manage.
  2. It processes data in batches through vectorization, which means it can handle multiple records at once, making operations faster than traditional row-by-row processing.
  3. DuckDB supports ACID transactions, ensuring that data remains safe and reliable, which is important in data analytics and shared environments.

The scope of the data modeling book

Minimal Modeling • 202 implied HN points • 07 Sep 23
🕹 Technology Data Modeling Database Design
  1. Data modeling involves layers like actual business domain, logical model, physical model, and database storage optimization.
  2. Focus primarily on the logical model and how it maps to the physical model for practical advice on table structures.
  3. Key areas within the scope of data modeling include basic logical model, handling either/or/or data, modeling polymorphic data, template repetitions, basic physical model, and secondary data.

Links for 2024-02-03

Axis of Ordinary • 19 implied HN points • 03 Feb 24
🕹 Technology AI AR
  1. AI model can detect high-risk pancreatic cancer patients 18 months early
  2. Efficient tool use with chain-of-abstraction reasoning by Meta
  3. France increases military budget by 40% for 2024-2030 period
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Thayer Method

Fish Food for Thought • 21 implied HN points • 02 Jul 25
💼 Business Workplace Collaboration Meetings Leadership Education
  1. Many meetings today still follow an old format where one person speaks and everyone else listens. This makes it hard for everyone to share their ideas and really engage in the discussion.
  2. The Thayer Method encourages preparation and active participation from everyone involved. This way, meetings become more about solving problems together rather than just receiving information.
  3. Alternatives to traditional meetings, like sending materials ahead of time and letting people reflect before discussions, can lead to deeper conversations and better decision-making.

3rd Look at Local Housing Markets in June

CalculatedRisk Newsletter • 19 implied HN points • 16 Jul 25
💼 Business Market Trends Sales Data Inventory Management Economic Indicators Real Estate
  1. In June, home sales were up 4.7% compared to last year, marking a recovery from the previous month's drop. More working days in June helped boost these numbers.
  2. New listings have increased by 5.0% year-over-year, but they are still lower than levels from June 2019. This indicates a mixed trend in the market.
  3. Inventory levels rose by 26.2% compared to last year, suggesting that more homes are becoming available. This change is happening more than usually expected for this time of year.

Breaking Into Tech

Jake [Building in NYC] • 19 implied HN points • 03 Feb 24
🕹 Technology Technical Skills Soft skills Job Market Career Advice Software Development
  1. To get a job in software engineering, you need to learn key technical skills like React, Typescript, and some backend basics. Focus on building small projects to practice what you've learned.
  2. Having good communication, flexibility, and grit is just as important as technical skills. Being open to learning and asking questions can really help you succeed in your first job.
  3. Networking and finding a mentor can make a big difference in breaking into tech. Building relationships and getting support from experienced people is key to finding job opportunities.

Jobs and Opps at Channel 4, Dazed Digital, ITV, Big Issue, and Many, Many More 📦

Journo Resources - The Opportunities • 99 implied HN points • 14 Feb 23
💼 Business Communication Job Opportunities Journalism Media Marketing
  1. Various job opportunities available in journalism from companies like Channel 4, ITV, and Big Issue.
  2. Different journalism training programs and internship opportunities to consider, like those at The Daily Mail and Dazed Digital.
  3. A variety of freelance and full-time journalism roles are being advertised at different companies and publications.

What I wish somebody told me during my first year as a manager

Leading Developers • 59 implied HN points • 03 Dec 24
💼 Business Team Dynamics Career development Leadership Management Productivity
  1. Don’t try to control everything in your team. It’s important to let your team members take on responsibilities and grow.
  2. Stop complaining about others without taking action. It’s more effective to give direct feedback to those who need it instead of gossiping.
  3. Remember to take a step back and appreciate the progress you and your team are making. Self-reflection can help you see how far you've come.

New Beginnings

New World Same Humans • 58 implied HN points • 11 Dec 24
🕹 Technology Research Innovation Society AI Trends
  1. Starting in 2025, there will be weekly notes sharing thoughts on technology and society. These will help us understand the ongoing tech changes and their impact on our lives.
  2. Community engagement is being reintroduced through monthly discussions where readers can share their thoughts on the topics addressed. This is a space for conversation and connection.
  3. An exciting new project called Chief AI Officer will launch, focusing on how AI affects businesses and professionals. This community aims to provide knowledge and strategies for navigating the AI revolution.

Some Speculation on Future Computational Physics

Bzogramming • 61 implied HN points • 27 Nov 24
🕹 Technology AI Algorithms Physics Computing
  1. There are two main ways to tackle physics problems: symbolic methods that involve working with symbols directly, and numerical methods that use simpler calculations. Both have their pros and cons.
  2. Quantum mechanical problems can be very tough to solve and require immense computational power, often beyond what we currently have. Even with advancements, some problems could remain very hard for a long time.
  3. As computing develops, we should explore combining the best parts of symbolic and numerical physics. We might discover new tools and methods that make it easier to solve complex problems in the future.

Arm's 2025 Q3 Financial Results

More Than Moore • 46 implied HN points • 06 Feb 25
💼 Business Finance Market Trends Growth Licensing Revenue
  1. Arm's recent financial results show a big increase in revenue, largely thanks to the growing demand for AI and new technology. They set records in both total and royalty revenues this quarter.
  2. The company is heavily investing in research and development, increasing their spending and hiring more engineers to stay competitive. This is helping them innovate and improve their products.
  3. Arm faces competition from other chip designers and ecosystems like RISC-V, so they must navigate these challenges carefully to maintain their market share and continue growing.

India’s Operations Revolution: Lessons from Zepto, Rebel Foods, and the Dabbawalas

Gad’s Newsletter • 50 implied HN points • 20 Jan 25
💼 Business Logistics Innovation Startups E-commerce Operations
  1. Zepto has transformed grocery delivery in India with its promise of delivering products within 10 minutes. This model responds to customer demand for fast service, using small warehouses to ensure quick order fulfillment.
  2. Rebel Foods leads the cloud kitchen market by creating multiple food brands under one roof. This strategy maximizes kitchen use and caters to different tastes, enabling rapid growth in a competitive environment.
  3. The Dabbawalas have a long history of reliably delivering home-cooked meals in Mumbai. Their simple, synchronized system shows how effective human coordination can be, even as newer tech-driven services emerge.

AI & Experience Design Conference

AI and Experience Design • 19 implied HN points • 02 Feb 24
🕹 Technology AI Design Conference Generative AI Experience
  1. The AI & Experience Design Conference brought together creative minds from AI, art, design, and technology to explore the impact of Generative AI on designing meaningful experiences.
  2. The conference was a space for dynamic discussions, collaboration, and hands-on workshops on various topics like emotional design, AI in UI/UX, and assistive technologies for visually impaired users.
  3. The event highlighted the importance of AI in design, not just as a support tool, but as a collaborator in the creative process, reshaping the future of art and design in the digital era.

Problem 80: Unique Paths[Google]

Technology Made Simple • 39 implied HN points • 23 Mar 23
🕹 Technology Coding Recursion Dynamic Programming
  1. The problem discussed in the post is about finding unique paths in a grid using dynamic programming and recursion.
  2. The example solutions provided in the post illustrate how a robot can navigate from the top-left corner to the bottom-right corner in different grid sizes.
  3. The author also shares personal information about being a university student seeking work post-graduation and invites readers to check out their resume and LinkedIn profile.

Links #7

Splitting Infinity • 19 implied HN points • 02 Feb 24
🕹 Technology Blockchain Scientific research Community AI Language Models
  1. In a post-scarcity society, communities of hobbyists can lead to significant innovations driven by leisure time and interest rather than necessity.
  2. Drug discovery challenges stem from a lack of understanding of diseases and biology, proposing an alternative approach focusing on experimental drug use and patient data collection.
  3. Language models are scaling down for efficient inference, suggesting that combinations of smaller models may outperform training larger ones.

Flex your color

Wednesday Wisdom • 66 implied HN points • 06 Nov 24
💼 Business Leadership Team Dynamics Personal Development Management Psychology
  1. Understanding different personality types can help improve teamwork. People have different working styles, and recognizing these can enhance collaboration.
  2. The True Colors personality model categorizes people into four colors based on their traits. Each color represents different strengths and weaknesses, which can help individuals understand themselves and others better.
  3. Being aware of your default behavior allows you to adapt to different situations. Flexing your personality traits based on the needs of the moment can lead to better leadership and decision-making.

Adding Noise Improves RAG Performance

Cobus Greyling on LLMs, NLU, NLP, chatbots & voicebots • 19 implied HN points • 02 Feb 24
🕹 Technology Machine Learning AI Research Information Retrieval Language Models Data Analysis
  1. Adding irrelevant documents can actually improve accuracy in Retrieval-Augmented Generation systems. This goes against the common belief that only relevant documents are useful.
  2. In some cases, having unrelated information can help the model find the right answer, even better than using only related documents.
  3. It's important to carefully place both relevant and irrelevant documents when building RAG systems to make them work more effectively.

Klarna's going public, and I'm excited as hell

Alex's Personal Blog • 65 implied HN points • 13 Nov 24
💼 Business IPO Market Trends Fintech Investment Financial Analysis
  1. Klarna is planning to go public, which is exciting news for the fintech industry. Their recent financial improvements and a strong market for BNPL companies are driving this move.
  2. Klarna's growth has been mixed, with rapid increases followed by significant losses in previous years. However, they have managed to reduce losses and improve revenue in the last year.
  3. The current market favors companies like Klarna due to rising stock prices in the fintech sector. This suggests that investors believe there will be less strict regulations on their lending practices.

Fragmentation of the self.

Default Wisdom • 236 implied HN points • 08 Jun 23
📖 Philosophy Materialism Individualism Communication Critical Theory Language
  1. Fragmentation of self is influenced by historical shifts like the intensification of division of labor starting in the 17th century.
  2. Language, communication, and individualism are interconnected as seen through McLuhan's views on the power of language in shaping individuality.
  3. Material advancements like the printing press and the telegraph have played a significant role in shaping societal fragmentation and the way we perceive the world.

Inside the Private Equity Options Factory

Lewis Enterprises • 19 implied HN points • 02 Feb 24
💰 Finance Institutional Investors Investment Returns Financialization Private Equity Asset management
  1. GP Stakes investing is a late-cycle phenomenon that uses structures to enhance private equity outcomes.
  2. Financial transactions are often abstractions used for hedging, speculating, or leveraging capital.
  3. Private equity has evolved to create exotic forms of leverage and financial assets, impacting capital allocation.

The Summary Problem, or why AI in search is attractive

The End(s) of Argument • 39 implied HN points • 17 May 23
🕹 Technology Search AI Information Platforms
  1. AI in search can help provide concise answers to specific queries, reducing cognitive load for users
  2. Platforms and users find AI attractive in search due to the potential of turning articles into direct answers, addressing user frustration and error
  3. Improving the user experience in search results, such as through summaries, snippets, and direct answers, remains a known but persistent challenge which AI aims to tackle

Under the microscope: Mobile Suit Gundam

Rings of Saturn • 43 implied HN points • 20 Feb 25
🕹 Technology Translation Gaming Software Game design Cheats
  1. A new translation patch for the 1995 game Mobile Suit Gundam has been released, making it easier for players to enjoy the game in English.
  2. There’s a cheat menu in the game that includes useful options like invincibility, stage selection, and movie skipping.
  3. Entering cheat codes in the game can be tricky, but the provided patch simplifies the process and makes it more accessible.

Klaviyo S-1 breakdown

Tanay’s Newsletter • 201 implied HN points • 29 Aug 23
💼 Business Technology Finance Entrepreneurship Ecommerce Marketing
  1. Klaviyo is a marketing automation platform that helps retail and eCommerce businesses drive revenue growth through digital channels like email and SMS.
  2. Klaviyo has strong financial metrics, with $585M in revenue over 12 months, impressive retention rates, and profitability with 76% gross margins.
  3. The efficient growth model of Klaviyo, its ability to resonate with eCommerce businesses, and reliance on partnerships like Shopify have contributed to its success.

The Swiss Foundation is dead. Long live the Swiss Association - now onchain on OtoCo!

The Otonomist • 79 implied HN points • 27 Apr 23
💼 Business Foundations
  1. OtoCo now allows users to create Swiss Associations natively on blockchain, decentralizing governance.
  2. Swiss Associations offer benefits like limited liability, tax efficiency, and ease of operation for decentralized projects.
  3. Creating a Swiss Association on OtoCo is affordable and simple, requiring only two initial members to start.

02/01/24 - The fact that you need a scientist to get better technology for you doesn’t mean you can’t also treat him like shit.

Moly’s Substack • 19 implied HN points • 02 Feb 24
🌐 International China Careers Justice Society Culture
  1. Valuing and treating scientists poorly despite their importance in technological advancements.
  2. Observing the impact of societal pressures and expectations on children's mental health.
  3. The disparities in treatment and recognition of skilled artisans in modern China.

The Path Ahead For Homeland

The Lunacian • 138 implied HN points • 29 Feb 24
🕹 Technology Feedback Innovation Development Gaming Community
  1. Return to foundational Axie building principles: focus on iterative development, community involvement, social features, and cross-platform accessibility.
  2. Revamp Homeland gameplay by emphasizing social strategy, quicker gameplay, and reducing clicking for better user experience.
  3. Introduce combat elements, avatar axies for social interaction, AXP integration, and restructured Moonfall quests to enhance the player experience in Homeland.

Frankly Speaking - Cloudflare is the most underrated security company

Frankly Speaking • 254 implied HN points • 18 Apr 23
🕹 Technology Security Sales Infrastructure Networking Market Analysis
  1. Cloudflare is considered an underrated security company in the industry, focusing on SASE and zero-trust solutions.
  2. Cloudflare's infrastructure is seen as a strong advantage and moat, making it valuable and defendable against competition.
  3. Cloudflare is making a bet on the future by targeting DevOps and security engineers for their products, showing a shift in the market towards software being purchased by technical personnel.

A Measure of Excellence

Jake [Building in NYC] • 19 implied HN points • 02 Feb 24
📖 Philosophy Aesthetics Virtue ethics Art Theory Creativity Existentialism
  1. Excellence comes from creating and pursuing what is good and beautiful in life. The more you create, the more you grow in excellence.
  2. Artifacts, or creations like art, writing, and projects, show evidence of our existence and impact on the world. The more artifacts you have, the more impact you likely have.
  3. To become excellent, keep creating and don't be afraid to start. Just like any skill, practice helps you improve and get closer to your goals.

The 21 GTM Channels to grow your SaaS

Startup Business Tips 🚀 • 56 implied HN points • 15 Dec 24
💼 Business Marketing SaaS Growth Sales Startups
  1. There are 21 different channels to grow your SaaS business. Some channels focus on direct interactions, while others rely on partnerships and external platforms.
  2. When choosing a channel, consider your product's complexity, market maturity, and your team's skills. Not every channel works for every product.
  3. It's important to engage with your customers through valuable content and be visible on social media to attract and retain them.

People.

The Future Does Not Fit In The Containers Of The Past • 60 implied HN points • 24 Nov 24
💼 Business Workforce Strategy Transformation Leadership Technology
  1. Companies can make plans for change, but it's really the people who need to adapt for those changes to happen. If the changes aren't good for people, they won't work.
  2. While technology like AI is important, it's the people using it that will truly make a difference in a business. Great talent and leadership can help a company reimagine itself successfully.
  3. Transforming a company takes time because people change slowly. Companies need to start preparing early for any big shifts in their industry.

Catechizing the Bots, Part 1: Foundation Models and Fine-Tuning

jonstokes.com • 237 implied HN points • 28 May 23
🕹 Technology AI Ethics Models Training Text
  1. Foundation models for large language models go through fine-tuning phases to make them more user-friendly.
  2. Humans play a critical role in shaping the values and behaviors of these models during the fine-tuning process.
  3. Supervised fine-tuning involves exposing the model to smaller sets of carefully selected examples to anchor its output and establish dominant language structures.

The Age of Incumbents

Investing 101 • 133 implied HN points • 02 Mar 24
🕹 Technology Data Software Competition Market AI
  1. Technology as an asset class is relatively new in the stock market, with tech companies now dominating market capitalization.
  2. The age of dynamic dinosaurs is here, with established tech companies evolving and becoming more challenging to displace.
  3. Big markets attract big attention, but distribution is key for success in tech, as seen with companies like Microsoft leveraging built-in distribution for products like Teams.