The hottest Programming Substack posts right now

And their main takeaways
Category
Top Technology Topics
Tech Ramblings 39 implied HN points 18 Aug 24
  1. Learning Scala was challenging, and it took a long time for new hires to get comfortable with the language. This made it hard to maintain projects and hire developers.
  2. Switching to Go allowed for faster operational readiness and simpler code, making it easier to deliver products and focus on customer needs.
  3. Go may not be seen as a 'cool' language, but it's practical and widely understood, making it a better choice for most developers compared to niche languages.
Sunday Letters 59 implied HN points 04 Aug 24
  1. Good code comes from genuine passion, not just external rewards. When programmers care deeply, they are more likely to improve their skills and produce better work.
  2. Extrinsic motivations like promotions can lead to just getting by rather than striving for excellence. These motivations don’t usually inspire creativity or deep understanding.
  3. Finding a balance between intrinsic motivation and practical limitations is important. Recognizing your reasons for coding can help you become the person you want to be.
Confessions of a Code Addict 505 implied HN points 18 Nov 24
  1. CPython, the Python programming language's code base, has hidden Easter eggs inspired by the xkcd comic series. One well-known example is the 'import antigravity' joke.
  2. There's a specific piece of unreachable code in CPython that uses humor from xkcd. When this code is hit during debugging, it displays a funny error message about being in an unreachable state.
  3. In the release builds of CPython, the unreachable code is optimized to let the compiler know that this part won't be executed, helping improve performance.
Confessions of a Code Addict 529 implied HN points 09 Nov 24
  1. In Python, you can check if a list is empty by using 'if not mylist' instead of 'if len(mylist) == 0'. This way is faster and is more widely accepted as the Pythonic approach.
  2. Some people find the truthiness method confusing, but it often boils down to bad coding practices, like unclear variable names. Keeping your code clean and well-named can make this style clearer and more readable.
  3. Using 'len()' to check for emptiness isn't wrong, but you should choose based on your situation. The main point is that the Pythonic method isn't ambiguous; it just needs proper context and quality coding.
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HackerPulse Dispatch 13 implied HN points 28 Jan 25
  1. AI tools can sometimes cause more problems than they solve, like in a recent project that turned chaotic when the developer relied too much on them.
  2. The first AI software engineer has a very low success rate, managing to complete only 15% of tasks. This raises doubts about AI's ability to fully replace human engineers.
  3. Overreliance on AI for coding is making new programmers less skilled. They are losing important problem-solving abilities because they are not practicing those skills.
Rings of Saturn 29 implied HN points 11 Jan 25
  1. MDK has hidden cheat codes that many players might not know about, adding more fun to the gameplay.
  2. Some codes need to be unlocked with other specific codes to work, which can change game mechanics and visuals significantly.
  3. Finding these codes involves programming and testing various button combinations, which can be a fun challenge for enthusiasts.
Data Science Weekly Newsletter 79 implied HN points 18 Jul 24
  1. AI research in China is progressing rapidly, but it hasn't received much attention compared to developments in the US. There are many complexities in understanding the implications of this advancement.
  2. There are new methods to improve large language models (LLMs) using production data, which can enhance their performance over time. A structured approach to analyzing data quality can lead to better outcomes.
  3. Evaluating modern machine learning models can be challenging, leading to some questionable research practices. It's important to understand these issues to ensure more accurate and reproducible results.
HackerPulse Dispatch 8 implied HN points 04 Feb 25
  1. Junior developers risk burnout by trying to keep up with many new tools instead of mastering the basics. It's better to understand a few things deeply than to know a little about everything.
  2. The push for full-stack developers often spreads skill sets too thin. Companies might want to save money, but true expertise comes from focusing on specific areas.
  3. JavaScript's new Temporal object is designed to fix the old Date issues. It will help developers manage dates and times more accurately and easily.
Hardcore Software 694 implied HN points 24 Jan 24
  1. The introduction of the Apple Macintosh in 1984 profoundly changed computing and many people's lives
  2. The Macintosh brought empowerment, elegance, and a sense of mastery to users and developers, setting a new standard in the industry
  3. The Macintosh's impact was widespread, transforming document creation, software development, and user experiences on college campuses and beyond
Sunday Letters 19 implied HN points 01 Sep 24
  1. An AI recipe is a mix of code and AI thinking that helps solve problems. It's not just code or just prompts; it's a combination that guides the AI to achieve a goal.
  2. Finding the right balance between structured code and flexible AI is tricky. This balance can feel similar to figuring out what makes a cake a cake.
  3. As AI improves, the aim is to make these recipes work better and help connect human ideas directly to machine actions.
Technically 67 implied HN points 16 Dec 24
  1. An SDK, or Software Development Kit, is like a toolbox for developers, helping them build apps without starting from scratch. It lets them use pieces of code made by others, saving a lot of time.
  2. There are different kinds of tools: libraries are small, focused pieces of code for specific tasks, while SDKs are larger, more comprehensive sets that cover broader tasks like payment processing.
  3. SDKs help developers use APIs easily by providing helpful tools and documentation. They make tasks simpler, so developers can focus on creating great apps instead of writing everything from the ground up.
MOHAMMED JAMAL 204 HN points 12 May 24
  1. Lisp is a programming language known for treating code and data as interchangeable, a concept called homoiconicity, allowing for unique expression within the language.
  2. By translating Lisp expressions into Python constructs like function calls and lists, programmers can maintain the essence of Lisp in a more familiar syntax.
  3. Incorporating features like lambdas in Python, inspired by Lisp, provides the ability to define and call functions recursively, essential for creating Turing complete languages.
Deus In Machina 72 implied HN points 05 Dec 24
  1. Dart is a modern programming language that's great for building mobile and web apps, mainly through Flutter. Many developers find it fast and easy to use, especially for creating user interfaces.
  2. Dart has a lot of useful features, like being very object-oriented, supporting asynchronous programming, and offering good tools for development. However, it can also be a bit complex with many keywords to remember.
  3. Despite its strengths, Dart sometimes faces doubts about its future due to Google's history of canceling projects. Nevertheless, its community is growing, and the language continues to evolve and improve.
Andrew's Substack 83 implied HN points 29 Nov 24
  1. Code coverage alone doesn't indicate whether tests are good or useful. It's more about the quality of the tests than the quantity.
  2. Not all tests are valuable; some can be complex and fail for reasons that don't matter, which can lead to false confidence in the code.
  3. The aim of testing should be to assure that your code works and to catch errors, instead of just trying to raise a coverage percentage.
lcamtuf’s thing 1836 implied HN points 09 Sep 23
  1. Driving a 2.8" 240x320 IPS panel with a Microchip SAM S70 Cortex-M7 MCU can be surprisingly simple.
  2. The steps to set up the ST7789 display controller involve minimal and straightforward commands like hardware reset and configuration for color mode.
  3. Generating image data for the display in 16 bpp RGB565 color mode is achievable through tools like ImageMagick.
Deus In Machina 72 implied HN points 29 Nov 24
  1. Real programmers often rely on their knowledge and skills rather than on tools like AI and autocomplete features to code. It highlights the importance of understanding the code at a fundamental level.
  2. Having face-to-face conversations and collaboration among team members helped boost productivity when technology failed. Working together led to better problem-solving and learning.
  3. Using simple, effective tools that fit your needs can lead to better coding experiences. Sometimes, going back to the basics can spark creativity and innovation.
Tjaart’s Substack 368 HN points 20 Feb 24
  1. A missing period in an email was a perplexing issue that affected only specific customers due to the line length limitations in the Simple Mail Transfer Protocol (SMTP).
  2. The bug was traced back to the SMTP client code and the line length rule, which duplicated periods at the beginning of lines longer than a certain limit, causing them to disappear.
  3. The issue showcased the importance of understanding underlying protocols like SMTP to troubleshoot and fix unexpected problems efficiently.
Confessions of a Code Addict 312 implied HN points 01 Dec 24
  1. The session will involve live coding a simple compiler and virtual machine for a small part of Python. They will focus on features like variables, function calls, and loops.
  2. Participants should know programming well and have some Python experience, especially since recursion will be used a lot in this session.
  3. The session is happening on December 14th and will not be recorded, so attendees should plan to join live for the best experience.
TheSequence 112 implied HN points 13 Feb 25
  1. DeepSeek R1 has found new ways to optimize GPU performance without using NVIDIA's CUDA. This is impressive because CUDA is widely used for GPU programming.
  2. The team utilized PTX programming and NCCL to improve communication efficiency. These lower-level techniques help in overcoming GPU limitations.
  3. These innovations show that there are still creative ways to enhance technology, even against established systems like CUDA. It's exciting to see where this might lead in the future.
lcamtuf’s thing 1428 implied HN points 13 Oct 23
  1. Setting up a Linux toolchain for Cortex-M microcontrollers can be challenging but beneficial.
  2. When setting up the toolchain, ensure to get the Cortex-M cross-compiler, CMSIS library, and Device Family Pack.
  3. Compiling and programming the device requires additional steps like using the newlib C library and flashing the binary onto the chip.
One Useful Thing 1801 implied HN points 15 Jul 23
  1. Increasingly powerful AI systems are being released rapidly without proper user documentation.
  2. The major Large Language Models in use currently are GPT-3.5, GPT-4, Bard, Pi, and Claude 2.
  3. AI can assist with writing, generating images, coming up with ideas, making videos, and working with documents and data, but users must be cautious of biases and ethical concerns.
Rings of Saturn 58 implied HN points 01 Dec 24
  1. There are new cheat codes in Tony Hawk's Pro Skater 2 that have been undiscovered for 24 years. This was found by someone analyzing the game and its cheat code system.
  2. A special Python script was created to discover these cheat codes by attacking the game's hashing system. This method used a combination of known button sequences and permutations.
  3. One of the new cheat codes allows players to turn off shadows in the game. Another doubles the score, which can make gameplay more interesting!
Confessions of a Code Addict 360 implied HN points 30 Oct 24
  1. The next live coding session will focus on creating a bytecode interpreter for Python. It will help participants understand important concepts like how Python code is structured and executed.
  2. In the session, participants will learn about Python's abstract syntax tree and how to traverse it to interpret code. This is a hands-on opportunity to experience coding in a live setting.
  3. There are limited spots available for the session, so early registration is encouraged. The session is free for paid subscribers, and there will be a recording available for those who sign up.
escape the algorithm 399 implied HN points 23 Jan 24
  1. Discover small, niche web tools and libraries that excel at specific tasks, adding personality and uniqueness to your internet experience.
  2. Embrace the simplicity and charm of single-purpose tools that focus on doing one thing well instead of trying to solve everything, celebrating their uniqueness and originality.
  3. Appreciate the creativity and value in combining and utilizing tiny tools and libraries rather than always seeking all-in-one solutions, fostering a culture of innovative use of existing resources.
Bite code! 856 implied HN points 30 Jan 24
  1. A new Python video game, JOY OF PROGRAMMING, is available on Steam for learning programming interactively.
  2. Pyodide, a Webassembly CPython port, now has experimental support from urllib3, enabling Python to run in the browser.
  3. Numpy 2 is set to release soon, with changes that may impact compatibility, so users should prepare by checking and updating dependencies.
Insight Axis 671 implied HN points 22 Oct 23
  1. Creativity is not limited to specific fields like art or music; it is a fundamental aspect of being human, manifested across various domains like science, art, writing, and programming.
  2. The creative process involves daring to create something, followed by refining and improving upon it - a cycle present in science, art, and literature.
  3. In programming and software engineering, creativity is not just about writing code but also about the iterative process of refining, debugging, and deleting code - highlighting the importance of continuous improvement and simplification.
The Chip Letter 2839 implied HN points 16 Apr 23
  1. Gordon Moore's notebooks from Fairchild provide a unique insight into his work and research in the early days of computing.
  2. Assembly language, especially 8-bit, was more popular and necessary in the past compared to modern 64-bit architectures.
  3. Nvidia's survival and success were closely tied to their alignment with Moore's Law in the GPU industry.
Rethinking Software 149 implied HN points 10 Jan 25
  1. Shadow projects are personal work you do on your own time, outside of your usual tasks. They allow you to explore your interests and improve your skills without having to ask for permission.
  2. Working on shadow projects can help you fill gaps that your regular work might overlook. This makes your job more enjoyable while also providing value to your organization.
  3. There is some risk in doing shadow projects, as not all ideas will be accepted. However, they can lead to big opportunities and help you take control of your career.
Rethinking Software 249 implied HN points 10 Nov 24
  1. Working independently can be very rewarding, especially in coding. Some people thrive when they have control over their own projects and can focus deeply.
  2. There are different styles of collaboration in coding. Some prefer to share work with many people, while others like to work alone. Both ways can be valid and effective, depending on the person's preference.
  3. When you feel stuck at work, it's often not just your fault. It shows there might not be enough teamwork or communication. Asking lots of questions can help everyone succeed together.
The Open Source Expert 59 implied HN points 03 Jul 24
  1. Using Alerts in GitHub Markdown helps highlight important information, making it easier for readers to notice. There are different types of alerts like notes, tips, and warnings that you can use.
  2. To create an Alert, you simply need to use specific Markdown code, starting each line with a '>' symbol. This format makes your content stand out more effectively.
  3. It's important not to overuse Alerts, or they might lose their impact. Use them sparingly to ensure readers pay attention to the key points.
The Palindrome 8 implied HN points 29 Jan 25
  1. The book 'Mathematics of Machine Learning' is set to be published soon and will be available in a physical version. You can pre-order it at a discounted price now.
  2. It focuses on important math concepts needed for machine learning, including linear algebra, calculus, and probability theory. Understanding these areas is crucial for building effective models in machine learning.
  3. The author shares a personal journey of creating the book, which was inspired by his experiences in the field. The book aims to bridge the gap between theory and practical applications.
Tech Talks Weekly 59 implied HN points 26 Jul 24
  1. Tech Talks Weekly is a free email newsletter that shares recent talks from dozens of tech conferences. It's a great way to catch up on what you missed!
  2. Readers can participate by filling out a short form to help improve the content. This makes it a community-driven resource.
  3. The newsletter highlights popular talks each week, making it easier for people to discover valuable insights from experts in tech.
Burning the Midnight Coffee 64 implied HN points 17 Nov 24
  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.
Software Design: Tidy First? 287 implied HN points 30 Oct 24
  1. Mixing design with features is important. It's good to experiment with designs while keeping an eye on the overall features.
  2. Timing matters when tidying up your work. It's helpful to tidy design just before implementation to keep things organized.
  3. When working on design changes, you have to decide when to start, continue, or stop. It's about finding the right balance in your workflow.