The hottest Technology Substack posts right now

And their main takeaways
Category
Top Technology Topics

Chương trình làm việc hội thảo VNSECON07

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 01 Aug 07
🕹 Technology Events
  1. The VNSECON07 conference will take place over two days, featuring a total of 20 presentations split between morning and afternoon sessions.
  2. The conference covers topics in both business and technical tracks, with a specific focus on turning web browsers into zombies using Flash Player 9.
  3. Alongside the conference, there will be a Capture the Flag competition for teams to register and participate in.

www.tuoitre.com.vn thay đổi cách thiết kế menu

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 30 Jul 07
🕹 Technology Web Design Usability Security
  1. The menu design change on www.tuoitre.com.vn, making menus unclickable, has caused inconvenience and confusion to users.
  2. The new menu design implies restrictions on readers, limiting access to all news in a topic area and forcing them to navigate through submenus.
  3. There is a connection between usability and security in software and websites, where good usability often correlates with better security measures.

Large Language Model (LLM) Disruption of Chatbots

Cobus Greyling on LLMs, NLU, NLP, chatbots & voicebots • 0 implied HN points • 23 Oct 23
🕹 Technology AI Chatbots Voicebots NLP Data
  1. Large Language Models (LLMs) are changing the way chatbots are built. They can help improve understanding of what users say by grouping similar questions and making designs easier.
  2. Voice technology is becoming more important in customer support, leading to more complex conversations. This includes using voice recognition and speech synthesis to help handle customer queries.
  3. There are ongoing challenges with trust and privacy when using LLMs. Companies need to make sure they protect personal information while also proving they are using the technology responsibly.

Problem 17: Minimum cost of painting N houses up to K different colors.[Facebook]

Technology Made Simple • 0 implied HN points • 22 Dec 21
🕹 Technology Coding Interviews Social media YouTube Finance
  1. The problem involves minimizing the cost of painting N houses with up to K different colors, ensuring no neighboring houses have the same color.
  2. Matrix traversal and cost calculations are key components of solving this problem.
  3. It's essential to consider the cost of building each house with a specific color to determine the minimum overall cost.
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Tấn công DDoS bằng PDF Spam

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 26 Jul 07
🕹 Technology Cybersecurity Networking Email Malware Operating Systems
  1. A client's server faced a DDoS attack through PDF spam, causing FPT Telecom's firewall to freeze due to high traffic.
  2. Investigating the server's services and analyzing log files helped determine the source of the attack - in this case, excessive traffic on SMTP and DNS ports.
  3. Disabling specific troublesome domains temporarily and monitoring traffic helped mitigate the DDoS attack effectively.

Non-profit MMOs Do Make Sense

Sheriff Cranky's Musings • 0 implied HN points • 04 Nov 23
🕹 Technology Gaming Non-profit Development Funding
  1. Developing an MMO is expensive and time-consuming, requiring significant capital and talent.
  2. A non-profit approach to MMOs like Toontown projects fosters a unique community driven by passion and collaboration instead of profit.
  3. Corporate Clash serves as a valuable training ground for emerging talent in a structured, low-risk environment, contributing to both personal growth and charitable missions.

20240203

Curious futures (KGhosh) • 0 implied HN points • 03 Feb 24
🕹 Technology AI Tech Random AI Strategy DIY
  1. Researchers in AI field have varying opinions on the pace of AI development and its impact on humanity.
  2. Tech topics include lobbying for AI regulation and discussions on language and mind connection.
  3. Diverse topics like sand mafias, AI strategy focusing on minimizing risks, and DIY projects like SDR with RP2040 are covered in the post.

Dùng iptables NAT thay thế cho reverse proxy

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jul 07
🕹 Technology Network Security Networking
  1. Consider using iptables NAT as a replacement for reverse proxy to simplify setup and avoid potential issues with complex software like Squid.
  2. Iptables commands like DNAT and SNAT can efficiently redirect traffic between servers based on IP addresses and ports.
  3. Understanding the flow of packets in iptables NAT can help troubleshoot and reroute traffic effectively in case of similar network issues.

Quality Engineering Basics: Types of Testing

QUALITY BOSS • 0 implied HN points • 19 Feb 24
🕹 Technology Software Testing Quality Engineering Automation Development
  1. There are two main types of testing: functional and non-functional. Functional testing checks if the software meets its intended requirements, while non-functional testing looks at things like performance and security.
  2. Testing can also be categorized by the level, such as unit, integration, system, and acceptance testing. Each level focuses on different parts of the software and helps ensure everything works together smoothly.
  3. Finally, there are different ways to test, including manual and automated testing. Manual testing involves humans checking software directly, while automated testing uses tools to run tests automatically. Both are important for delivering a quality product.

Không phải cứ "hàng khủng" là tốt

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jul 07
🕹 Technology Database Management Memory management Software Development
  1. Just because something is big and powerful doesn't always mean it's good - as seen with the struggles faced with a high-performance server.
  2. In troubleshooting complex issues, leveraging resources like Oracle Metalink and collaborating with experts can be crucial for finding solutions.
  3. Understanding and correctly utilizing features like HugePages on 64-bit Linux systems can significantly improve memory management and system performance.

Coming soon

just learning data science • 0 implied HN points • 23 Jan 24
🕹 Technology Data science
  1. A new post about learning data science is coming soon on justlearningdatascience.substack.com.
  2. The post is by Maciej Gruszczyński and will be available on January 23, 2024.
  3. Readers are encouraged to subscribe to stay updated on the upcoming content.

Quality Engineering Basics: Exploratory Testing

QUALITY BOSS • 0 implied HN points • 26 Feb 24
🕹 Technology Software Testing Quality Assurance Product Development User Experience
  1. Exploratory testing is a flexible approach that doesn't need detailed preparation. It lets testers use their skills and creativity to find bugs efficiently.
  2. Using test charters can help focus exploratory testing. You can define what to explore, how to explore it, and what you want to learn.
  3. To improve your testing, think about worst-case scenarios for your product. Coming up with nightmare headlines can help guide your exploratory testing efforts.

Quality Engineering Basics: Risk Analysis

QUALITY BOSS • 0 implied HN points • 04 Mar 24
🕹 Technology Software Engineering Testing Risk Analysis Product Development
  1. Risk analysis helps us focus on the most important bugs to fix. Instead of trying to eliminate all bugs, we prioritize those that could hurt the user experience or company revenue.
  2. To assess risk, we look at the impact of a bug and how likely it is to happen. Using a simple scoring system can help us decide which features to test first.
  3. Risk analysis should include checks on security and user experience, not just how well something works. Understanding all risks helps ensure we can test our products effectively.

Một phương pháp chống DDoS bằng xFlash

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jul 07
🕹 Technology Security Web Programming Servers Networking
  1. The way browsers handle HTML forms with enctype="multipart/form-data" and enctype="application/x-www-form-urlencoded" is different. This difference is key to detecting POST requests from Flash, which cannot send requests in the "multipart/form-data" format.
  2. By automatically setting all HTML forms to enctype="multipart/form-data" through a reverse proxy with an Apache output filter module, one can detect and protect against DDoS attacks from Flash.
  3. While this method can limit the impact of existing xFlash attacks, it may not be a permanent solution. Avoiding Flash altogether or focusing on overall DDoS defense strategies like infrastructure investment and system optimization is crucial.

Giao diện mới của www.tuoitre.com.vn

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jul 07
🕹 Technology Design Website User Experience Visuals Navigation
  1. The new design of tuoitre.com.vn's website features a horizontal navigation bar, which is a refreshing change that separates it from other news websites in Vietnam.
  2. The tab design of the navigation bar is simple, easy to understand, and efficient for users, but there are minor design flaws that could be improved, like highlighting the selected tab more visibly.
  3. One major drawback of the new design is the unnecessary inclusion of a video clip on the homepage, which can be intrusive, outdated, and significantly increases the page load time.

Quality Engineering Basics: Prioritizing Bugs

QUALITY BOSS • 0 implied HN points • 18 Mar 24
🕹 Technology Software Development Quality Assurance Project management Automation
  1. Understanding how to prioritize bugs is key for efficient quality engineering. It's important to have a common agreement on what each priority level means.
  2. Using a matrix to categorize bugs by their scope and impact can help in deciding their priority. This method allows teams to see which bugs are more urgent and need immediate attention.
  3. Automation tools, like GitHub actions, can streamline the bug prioritization process. They can help automatically assign priority based on set parameters, saving time and reducing errors.

WordPress 2.1.1 chứa mã nguy hiểm

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jul 07
🕹 Technology Security Hacking
  1. A hacker managed to infiltrate WordPress' server and alter the source code of version 2.1.1, adding a backdoor to allow remote execution of PHP code.
  2. WordPress immediately took down the website to investigate the altered code in version 2.1.1.
  3. This incident highlights the importance of regularly updating software to protect against security threats and vulnerabilities.

RISC-V Vector Cryptography Extension (2/2)

Fprox’s Substack • 0 implied HN points • 20 Feb 23
🕹 Technology Cryptocurrency Hardware Security Software Encryption
  1. There are new instructions for hash functions like SHA-2 and SM3 in the RISC-V vector cryptography extension.
  2. The Zvkb extension includes instructions for bit manipulation like bit and byte reversal, vector rotations, and carry-less multiplication.
  3. The vector cryptography extensions have specific encodings within the opcode spaces, making them incompatible with certain future extensions.

Ai viết 2.6.20?

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jul 07
🕹 Technology Coding Linux Development
  1. The majority of code contributions to Linux come from developers working for companies like Red Hat, IBM, Google, and Nokia, not solely from Linus Torvalds.
  2. Nearly 2,000 developers contributed at least one patch to the Linux kernel in the last year, showcasing a diverse and well-supported development community.
  3. Contemporary kernel development for Linux is a collaborative effort involving a wide group of paid developers, rather than being reliant on an individual or a small group of contributors.

Managing Your OpenAI Token Use

Cobus Greyling on LLMs, NLU, NLP, chatbots & voicebots • 0 implied HN points • 28 Nov 23
🕹 Technology AI NLP Modeling Cost management Implementation
  1. Managing OpenAI token usage is important for understanding costs. Each interaction you have with the model uses a certain number of tokens, which can add up quickly.
  2. Tokens are calculated differently depending on the model you use. It's essential to know how to convert text to tokens to estimate the cost for your specific needs.
  3. Most current implementations of LLMs focus on experimentation rather than real-time use. This means many users are not fully aware of the cost implications associated with extensive token use in their applications.

The Anatomy Of Chain-Of-Thought Prompting (CoT)

Cobus Greyling on LLMs, NLU, NLP, chatbots & voicebots • 0 implied HN points • 30 Nov 23
🕹 Technology AI Machine Learning Natural Language Data science
  1. Chain-of-Thought (CoT) prompting helps large language models solve problems by breaking them down into smaller steps, just like humans do.
  2. For CoT to work well, the reasoning steps need to be ordered correctly and must be relevant to the question being asked.
  3. Even with incorrect reasoning, CoT can still perform well, showing that the overall method is more important than every single detail being perfect.

Tự làm một distro Linux

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jul 07
🕹 Technology Linux Operating System
  1. It's possible to create a Linux distribution with tools like rBuilder Online which simplifies the process with just a few clicks.
  2. Software appliances, though like distributions, are optimized to run specific software applications, making the operating system transparent to the user.
  3. Software appliances can be used in various ways like installing them as a normal distribution, converting them into hardware appliances, or transforming them into virtual appliances using tools like VMWare and Xen.

ADSL DoS

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jul 07
🕹 Technology Cybersecurity Internet Networking
  1. You can launch a DoS attack on someone using ADSL if you know their MAC address and exploit weakness in the PPPoE protocol.
  2. The vulnerability lies in how PPPoE uses the SESSION_ID and MAC address for connection control, making it possible to disrupt someone's PPPoE connection.
  3. Social engineering can be an effective way to obtain the victim's MAC address for carrying out such attacks, highlighting the importance of safeguarding sensitive information.

Hội hay là thảo?

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jul 07
🕹 Technology Cybersecurity Events Community Hacking Networking
  1. Attending security conferences can provide valuable insights and networking opportunities.
  2. Understanding security concepts like the perimeter of a system and directory harvest attacks is crucial in the field.
  3. Organizing small, focused, and serious security conferences can help local communities connect with the global cybersecurity landscape.

Đòn hi sinh của đám spammer

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jul 07
🕹 Technology Spam Software Cybersecurity Debugging Email
  1. Spammers can go to extreme lengths to disrupt anti-spam systems, such as overwhelming them with strange spam emails.
  2. Technical challenges in dealing with spam, like a spam email causing a crucial software component to crash, require thorough investigation and debugging techniques.
  3. In the ongoing battle against spam, spammers may resort to sacrificial tactics, like using spam emails to specifically target and disable anti-spam software.

Virtual Appliance

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jul 07
🕹 Technology Virtualization Software Hardware Information Technology
  1. Virtual appliances help save time and resources by allowing quick setup of servers for development and testing purposes.
  2. Using virtual appliances eliminates the need for extra physical infrastructure such as racks and data centers, reducing costs significantly.
  3. Virtual appliances offer benefits like isolated applications, simplified management, and easy distribution of software, making them a trend for IT systems worldwide.

Chiêu mới của spammer

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jul 07
🕹 Technology Cybersecurity Email Spam
  1. Spammers are constantly evolving their techniques to bypass anti-spam measures, such as utilizing botnets and image spam, making traditional methods less effective.
  2. Effective anti-spam strategies like Bayesian filtering require regular training, which many end users may not find appealing, highlighting a challenge in maintaining their effectiveness.
  3. Implementing SPF (Sender Policy Framework) alongside Bayesian filtering can enhance spam prevention by verifying the sending server's authenticity, but the adoption of SPF is relatively low despite its potential benefits.

Phân tích obfuscated Javascript

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jul 07
🕹 Technology JavaScript Programming Web Development
  1. When analyzing obfuscated Javascript, splitting long code into shorter commands is essential for understanding the functionality.
  2. Variable names with subtle differences can reveal connections between code segments and help in unraveling the hidden code's purpose.
  3. Different color-coded groups of code may indicate distinct functionalities: blue for regular Javascript, green for encoded Javascript, and red for potentially meaningless or obfuscating code.

Ôi mã nguồn mở của tôi

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jul 07
🕹 Technology Open Source Intellectual Property Web Development Cybersecurity
  1. Advocating for open source software and its benefits is important but many misconceptions exist around selling open source products at a high price.
  2. Using open source software for commercial purposes without proper attribution can lead to ethical and legal issues.
  3. Copyright requirements in open source licenses mainly apply to developers and distributors, not end users.

Hello

just learning data science • 0 implied HN points • 23 Jan 24
🕹 Technology Data science Community Building Writing
  1. Maciej shares his journey from web app development to Data Science and his experiences with projects and job positions
  2. He aims to create a community of Data Scientists who can relate to his experiences and provide constructive criticism
  3. Despite time constraints, Maciej pursues knowledge through writing articles and sharing insights with the public

Coding with LLMs misplaces the understanding

Speculative Inference • 0 implied HN points • 21 Nov 24
🕹 Technology AI Coding Software Engineering Automation
  1. LLM coding can be easy at first, allowing users to operate without deep understanding, similar to driving on autopilot. However, this can lead to mistakes and poor coding practices over time.
  2. Understanding complex systems is hard, and it's often not all written down. People rely on context and shared knowledge, which LLMs can miss out on, making it challenging for them to fully grasp what’s going on.
  3. If you don't understand your project's requirements or the underlying system well, you'll run into problems and make mistakes. Using LLMs requires a critical eye to avoid getting lost in error accumulation.

How to inference-time compute scale your human engineering designs

Speculative Inference • 0 implied HN points • 22 Nov 24
🕹 Technology AI Software Engineering Design Computing
  1. Design problems require more thought and effort compared to straightforward problems. It's about finding the best solution among many options, which is not always easy.
  2. Good designers think ahead about how their work will be used in the future. They prepare solutions that can adapt to changes instead of just solving today's issues.
  3. Scaling compute at inference time helps create better designs. It’s like having someone who combines experience and planning to come up with smarter solutions.

Vàng hay bạc nhái

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jul 07
🕹 Technology Security Networking IT services Web Hosting Cybersecurity
  1. Many IT solution providers are often just resellers of existing solutions from renowned companies, lacking in innovation and technical depth.
  2. A strong first impression is crucial in professional presentations, including being punctual and confident in communication.
  3. When assessing a cybersecurity company, it's important to look beyond certifications and explore their actual research and development, as well as tangible contributions to the field.

Building a Fly.io-like Scheduler Part 2: Resource Requirements and Multi-Region

aspiring.dev • 0 implied HN points • 26 Feb 23
🕹 Technology Software Development Cloud Computing System Architecture Project management Resource Allocation
  1. We can make scheduler systems smarter by adding task requirements like region and resource slots. This means a worker can only take on a task if it has the right resources available.
  2. Workers compare the incoming requests against their available resources. If they can't meet the requirements, they simply ignore the task instead of taking it.
  3. The system can be expanded to include more detailed requirements in the future, such as specific CPU types or GPU support, making it adaptable to different tasks and workloads.