The hottest Technology Substack posts right now

And their main takeaways
Category
Top Technology Topics

GroupBy #10: Netflix's Psyberg, Parquet format, SQL is not Designed for Analytics

VuTrinh. • 0 implied HN points • 21 Nov 23
🕹 Technology Data Engineering Distributed Systems Data Formats
  1. Netflix's Psyberg is a new way for processing data that helps manage membership information better. It uses innovative methods to make data processing more efficient.
  2. The Parquet format is great for storing data because it organizes information in a smart way. It can improve how quickly and easily data is accessed and processed.
  3. SQL isn't the best tool for doing analytics because it was designed a long time ago. There are newer tools that fit analytics needs much better.

Interesting things in robotics this week

Robots & Startups • 0 implied HN points • 15 Jun 21
🕹 Technology Robotics AI Jobs
  1. Humans expect AI to be trustworthy but are unwilling to cooperate and compromise with machines. They might even exploit them.
  2. There are many new robotics job listings at svrobo.org/robojobs, including opportunities at Optimus Ride, TRI, Caterpillar, and smaller startups.
  3. To access the full post archives and read more about robotics, a 7-day free trial subscription is available for Robots & Startups.

An algebraic curiosity

Minimal Modeling • 0 implied HN points • 18 Nov 23
🕹 Technology Database
  1. There is always one non-1NF relation in every real-world database.
  2. The relation discussed is undeniably not in the first normal form.
  3. This construction exists in every WordPress installation, among other databases.

What people you know starred on GitHub

GitTrends • 0 implied HN points • 26 May 24
🕹 Technology GitHub Email
  1. Get a weekly email with the latest GitHub stars from people you follow by signing up on GitTrends.
  2. Have a personalized report created and emailed to you regarding GitHub stars by signing up through a provided link.
  3. For any questions or comments, find the content creator on Twitter at the specified handle.
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Seminar giới thiệu nhóm nghiên cứu Kernel ĐH Bách Khoa

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 22 Mar 07
🕹 Technology Operating Systems Open Source Networking Security
  1. Seminar introducing OS Group and Linux kernel research aims to attract students to participate and learn.
  2. The seminar covers topics like Linux kernel architecture, filesystems, processes, security, and building a Linux distro in just 10 minutes.
  3. The event promotes open participation and aims to bring open-source knowledge closer to students.

Why I love working on NLP, CX Agents and Automation

domsteil • 0 implied HN points • 29 Jan 24
🕹 Technology NLP Automation Agents AI Software Development
  1. Computational linguistics involves applying computer science techniques to language analysis and synthesis.
  2. Developing AI agents in platforms like Salesforce and Shopify can streamline operations and improve customer interactions.
  3. Advancements in AI technology have enabled the creation of sophisticated AI agents with generative models and deterministic workflows.

Sucked dry by the economics of the infinite scroll

Links I Would Gchat You If We Were Friends • 0 implied HN points • 05 Sep 14
🕹 Technology Internet Social media Privacy Innovation
  1. The Internet has become a failure due to the overuse of the infinite scroll and lack of innovation.
  2. Twitter may be moving away from being a platform for public conversation towards focusing on money and negativity.
  3. It's surprising to see a 33-year-old man with a cocaine habit running a forum to share stolen nudes.

Who are these new AI tech founders anyway?

Machine Learning Everything • 0 implied HN points • 17 Jun 25
🕹 Technology AI Innovation Tech Ethics Entrepreneurship Data Privacy
  1. Meta's recent deal to invest in Scale AI was really about hiring its CEO, Alexandr Wang, at a huge cost. This shows how valuable tech talent is right now.
  2. Alex Wang has unusual ideas about using brain-computer interfaces, like Neuralink, for his future kids, but he seems to overlook the serious risks involved.
  3. Many older tech leaders, like Steve Jobs and Bill Gates, were cautious about technology and its effects on children. The new generation seems less skeptical about the potential dangers.

Yet More On Decoupling, Part 2: ring the changes, change the rings

filterwizard • 0 implied HN points • 07 Sep 24
🕹 Technology Electronics Engineering Audio Simulation Design
  1. Using high-ESR capacitors helps control unwanted signals in power supplies, making circuits work better at high frequencies.
  2. Smaller decoupling capacitors can cause bigger voltage spikes when the load changes, which can affect circuit performance.
  3. In audio circuits, having a bump in regulator impedance can affect sound quality, and simply adding larger capacitors may not fix the issue.

Yet More On Decoupling, Part 3 – Some gain, some pain

filterwizard • 0 implied HN points • 08 Sep 24
🕹 Technology Engineering Electronics Design Simulation
  1. Op-amps can't perfectly reject power supply noise because their output always depends on the voltage at their power pins. If the supply voltage changes, the output will too.
  2. Unlike some other components, op-amps don't have a ground connection, meaning their performance can be affected by how the power supply is treated in circuit designs.
  3. It's important to understand that variations in supply voltage will be reflected at the op-amp's output, contrary to what some datasheets might imply.

Advisory: security issues in AWS KMS and AWS Encryption SDKs

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 25 Sep 20
🕹 Technology Security Encryption Vulnerabilities
  1. Security vulnerabilities in AWS KMS and AWS Encryption SDKs included information leakage, ciphertext forgery, and robustness issues.
  2. The vulnerabilities required the release of a new version, 2.0.0, for fixes, highlighting the importance of regularly updating software for security measures.
  3. The vulnerabilities exposed potential attacks related to ciphertext decryption, key replacement, and non-committing property issues, emphasizing the critical need for secure encryption practices.

Fainting in Coils

filterwizard • 0 implied HN points • 11 Sep 24
🕹 Technology Engineering Electronics Design Innovation Software
  1. Sometimes, a passive filter design can outperform active ones, especially when power constraints are tight. Using simpler components might lead to better results without requiring advanced technology.
  2. It's important to match expectations with available resources when designing systems. If you need high performance but have a low budget, you'll have to find creative solutions.
  3. Inductors, often overlooked in modern designs, can be valuable in filter circuits. They might be larger and more expensive initially, but they can save power and meet specific design needs.

New Ubiquity Setup

laserllama's blog • 0 implied HN points • 24 Jan 25
🕹 Technology Networking Devices Apps Home Automation
  1. Ubiquity equipment is easy to set up and offers a great mesh networking experience. Even if you're not tech-savvy, it's still manageable with just a little patience.
  2. The app used for managing the network is excellent, providing clear stats on device connections and signal strength. This makes troubleshooting and monitoring your setup much simpler.
  3. Make sure to know that the U7 devices need Power over Ethernet (PoE), as the main Cloud Gateway doesn't supply it. But overall, the system offers good coverage and performance.

Section 230: the sword and armor of the Internet

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 27 Aug 20
🕹 Technology Internet Policy Law Social media Government
  1. The Internet, especially through Section 230 in the US, has enabled freedom of expression, diverse perspectives, and economic growth in the online world.
  2. Section 230 of the US Communication Decency Act provides a legal foundation for Internet companies to thrive by allowing them not to be held liable for content posted by users, while still enabling content moderation.
  3. Vietnam's approach to Internet regulation differs significantly from the US, and studying the principles behind Section 230 could potentially benefit the country's digital industry by empowering businesses and markets.

Autonomous Vehicles and Culture

The Digital Anthropologist • 0 implied HN points • 05 Feb 24
🕹 Technology Transportation Urban Design Infrastructure
  1. Autonomous Vehicles (AVs) face cultural challenges due to the deep-rooted connection between cars/trucks and human culture worldwide. This may impact adoption despite technological advancements.
  2. The adoption of AVs requires significant societal changes beyond just the vehicle technology, such as redesigning cities and shifting away from fossil fuels.
  3. Despite challenges, advancements in infrastructure, manufacturing, and materials hint at a future where AVs could play a vital role in transportation systems, sparking innovative urban planning ideas.

Bằng chứng máy chủ Bluezone có thể âm thầm lấy dữ liệu của người dùng

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 08 Aug 20
🕹 Technology Data Privacy Cybersecurity Software Development
  1. The Bluezone server can quietly retrieve user data without consent, potentially accessing all users' contact history.
  2. The server has full authority to take data anytime without needing user permission, raising concerns about transparency and accountability.
  3. The lack of assurances or details on server operations raises questions about how users can verify their data is handled securely.

Trả lời phỏng vấn BBC Việt Ngữ về Bluezone

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 07 Aug 20
🕹 Technology Security Privacy Contact Tracing Mobile Applications
  1. Bluezone is a mobile app that helps with contact tracing for COVID-19 in Vietnam by using Bluetooth Low Energy technology.
  2. The privacy of Bluezone users has been a concern, but recent versions have addressed some security vulnerabilities.
  3. It is important for the government and developers of data-tracking apps like Bluezone to ensure data is only used for pandemic control purposes and establish independent oversight.

Aerially Separated Nuclear Aircraft

Tapa’s Substack • 0 implied HN points • 06 Jul 24
🕹 Technology Aerospace Nuclear Engineering Innovation Safety
  1. Nuclear aircraft need heavy shielding, which can make them less efficient. The idea is to separate the nuclear reactor from the passenger plane using a drone.
  2. The drone would beam power to the airplane using lasers, which could reduce the need for heavy shielding and keep passengers safer.
  3. This concept suggests that enough laser power can be delivered to make flying possible, but it's still just an idea and might not work out.

A smaller, cuddlier Internet

Links I Would Gchat You If We Were Friends • 0 implied HN points • 28 Oct 14
🕹 Technology Social media Smartphones Online Dating Internet culture Online Communities
  1. Nostalgia for a simpler, cozier Internet on platforms like Ello reflects a desire to reclaim past online experiences.
  2. Smartphone addiction isn't officially classified in the psychiatric field, even if phone use can be disruptive.
  3. Insight into the inner workings of Tinder reveals it may have more nerds and money than actual hook-ups happening.

Cập nhật về Bluezone

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 03 Aug 20
🕹 Technology Security Government Data Privacy Software Development Mobile Applications
  1. Bluezone app has made important security improvements by automatically changing the user ID and stopping collection of Bluetooth Classic addresses.
  2. Only Bluezone developers and the Vietnamese government can gather user information now, ensuring better privacy for users.
  3. It's advised for end users to install Bluezone if they trust the developers and government, while developers should commit to deleting data post-pandemic and enhance data protection measures.

Alternatives to Arduino IDE Serial plotter

Barn Lab • 0 implied HN points • 17 Mar 23
🕹 Technology Tools Programming Data Visualization UI Design Protocols
  1. Serial graphers are tools for data visualization and analysis using data from a serial port.
  2. Alternatives to Arduino IDE Serial plotter include Serial Port Plotter, Processing Grapher, and SerialTest, offering different features and capabilities.
  3. SerialTest stands out for its versatility, allowing sending and receiving data over various protocols, customizable UI, and dark theme.

Project Tempest

Barn Lab • 0 implied HN points • 11 Apr 23
🕹 Technology Security Software Hardware Data Privacy Electronics
  1. Project Tempest originated during the Cold War for protecting electronic equipment from eavesdropping and intercepting enemy electromagnetic emissions.
  2. The concept has evolved into current-day Air-Gap Attacks, where data is transported from secure locations without network use.
  3. Through tools like TempestSDR, capturing unintentionally emitted RF signals can allow eavesdropping on computer screens.

DeOldify.NET

Barn Lab • 0 implied HN points • 07 Jun 23
🕹 Technology Neural Networks Image Processing
  1. Colorization of black-and-white images involves using color spaces like Lab to represent colors digitally
  2. Neural networks have been trained on colorized image datasets to aid in the colorization process
  3. DeOldify.NET offers a user-friendly way to colorize old images using AI without needing complex tools or specialized websites

Rethinking Comp Levels in Tech

Pursuits • 0 implied HN points • 29 May 23
🕹 Technology Tech industry Salary Negotiation Job Market Innovation
  1. Compensation ranges in job postings can affect salary discussions and create market noise, potentially driving down wages.
  2. Expressing salaries in bits, rather than decimal numbers, can provide clearer, non-linear growth trajectories for roles and privacy for negotiations.
  3. Using a bitwise system for compensation negotiation may offer a new approach to address the complexities and challenges in determining fair wages.

Phân tích Web-Attacker

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jul 07
🕹 Technology Security
  1. Web-Attacker is a Perl CGI script that can exploit website visitors to execute code on their local computers and is available for purchase.
  2. The script targets vulnerabilities in Internet Explorer and Mozilla Firefox to install programs on visitors' computers once it's installed.
  3. The Web-Attacker script is sold with a base price of $300 and can be upgraded for $25.

Reminder về buổi hỏi đáp sử dụng Internet an toàn

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jul 20
🕹 Technology Internet Safety Livestream Cybersecurity Online behavior
  1. The online session will cover basic knowledge like common hacking reasons, misconceptions, and behavior principles for reducing risks, along with practical tips to protect devices and accounts.
  2. The event features an open Q&A with cybersecurity expert Nguyen Dang Phuong, including a special gift for those who ask good questions and provide their email addresses.
  3. The livestream event is scheduled for July 19, 2020, at 10:00 AM GMT+7, providing valuable insights into cybersecurity and safe internet usage.

VietBay Sharing: Hỏi đáp về sử dụng Internet an toàn

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 10 Jul 20
🕹 Technology Internet Safety Livestream Cybersecurity Online Communication Information Security
  1. Workshops on internet safety can face unexpected challenges like power outages or security concerns.
  2. Basic internet safety includes understanding common hacking reasons, dispelling misconceptions, and following risk-reducing behaviors.
  3. Engaging with experts in Q&A sessions can provide valuable insights on protecting devices and accounts from cyber threats.

Slow your roll, naysayers

Links I Would Gchat You If We Were Friends • 0 implied HN points • 13 Nov 14
🕹 Technology Internet Social media Media Online Dating Space Exploration
  1. Social networks struggle to shut down online abusers like Mateus Prado Sousa, despite evidence of their harm.
  2. Modern media focuses on diving deep with newsletters, podcasts, and explainers rather than traditional journalism.
  3. Online dating now starts offline, changing the approach to connecting with potential partners outside real-life social circles.

How To Create HuggingFace🤗 Custom AI Models Using autoTRAIN

Cobus Greyling on LLMs, NLU, NLP, chatbots & voicebots • 0 implied HN points • 09 Feb 23
🕹 Technology AI Models Data science Machine Learning Software Development Web applications
  1. autoTRAIN lets you build custom AI models without needing to code. It's user-friendly and has both free and paid options.
  2. You can easily upload your data in different formats like CSV, TSV, or JSON. The platform keeps your data private and secure.
  3. As your model trains, you can see real-time results about its accuracy. This helps you understand how well it's performing and make necessary adjustments.

Foundation Conversational AI Technologies

Cobus Greyling on LLMs, NLU, NLP, chatbots & voicebots • 0 implied HN points • 10 Feb 23
🕹 Technology AI NLP Voicebots Chatbots Data Management
  1. Conversational AI (CAI) technologies are grouped by their areas, but sometimes it's tricky to fit them into just one category. Many technologies overlap.
  2. The focus is mainly on foundational technologies instead of specific products or solutions, which are too numerous to cover in detail.
  3. Feedback and suggestions for improvement are encouraged to make future versions better.

The Large Language Model Landscape

Cobus Greyling on LLMs, NLU, NLP, chatbots & voicebots • 0 implied HN points • 13 Feb 23
🕹 Technology AI Machine Learning Natural Language Software Development Data science
  1. There are now many companies making large language models (LLMs) for different language tasks, giving users lots of choices.
  2. The main functions of LLMs include answering questions, translating, generating text, generating responses, and classifying information.
  3. While classification is very important for businesses, text generation is one of the most impressive and flexible uses of LLMs.