The hottest Programming Substack posts right now

And their main takeaways
Category
Top Technology Topics

Society's Technical Debt and Software's Gutenberg Moment

Irregular Ideas with Paul Kedrosky & Eric Norlin of SKV • 63 HN points • 21 Mar 23
🕹 Technology Programming
  1. Every wave of technological innovation is triggered by something once costly becoming cheap enough to waste.
  2. Software production has been too complex and costly, leading to society-wide technical debt.
  3. The cost and complexity of software production are collapsing, leading to a dramatic wave of innovation with AI playing a significant role in reshaping the software industry.

Disassembling Crossroads, part 2

Dan’s MEGA65 Digest • 11 implied HN points • 01 Feb 25
🕹 Technology Programming
  1. Disassembling retro games like _Crossroads_ helps us understand how they work. Tools like Ghidra make it easier to translate complex machine code into more readable assembly language.
  2. The process of disassembly involves examining machine code and turning it into something we can understand. With tools, we can learn how programs manipulate memory and control hardware.
  3. Using Ghidra can reveal important insights into game design and programming techniques used in the past. It shows how similar concepts apply to modern programming on systems like the MEGA65.

Why and How Does Python Use Bloom Filters in String Processing?

Confessions of a Code Addict • 46 HN points • 14 Sep 23
🕹 Technology Programming
  1. Python uses Bloom filters in its string data structure to speed up certain string processing functions like strip and splitlines.
  2. The unique Bloom filter implementation in CPython uses an unsigned long type to represent the bit vector, making storing and querying items more efficient.
  3. CPython determines the position in the bit vector for adding and querying characters by using the lower n-bits of the character, avoiding costly hash computations.

Why types in programming languages matter

On Engineering • 44 implied HN points • 11 Sep 23
🕹 Technology Programming
  1. Using types in programming languages can help prevent bugs and potential catastrophic failures.
  2. Loosely typed programming languages can lead to dangerous assumptions by programmers.
  3. Strongly typed systems are tools that help programmers build systems more safely and effectively.
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Fun with PaddleOCR

rtnF • 5 HN points • 08 Jan 24
🕹 Technology Programming
  1. Use AI tools like PaddleOCR for text extraction from images
  2. You can streamline translations by combining AI and manual correction
  3. Explore historical texts through AI technology for an engaging learning experience

What's new in Svelte: April 2023

The (Unofficial) Svelte JS Newsletter • 19 implied HN points • 01 Apr 23
🕹 Technology Programming
  1. Loads of new features in the Svelte compiler like support for 'svelte-ignore' and improvements in inputs and transitions
  2. Updates in SvelteKit include new features like 'cookies.getAll' and enhancements in managing form submission status
  3. Community showcase highlights various apps, sites built with Svelte, learning resources, and libraries/tools/components

Interviewing my mother, a mainframe COBOL programmer

kelsey’s Substack • 319 implied HN points • 09 Jul 16
🕹 Technology Programming
  1. Mainframe COBOL programming is a crucial and irreplaceable aspect of the banking world, despite its less popular status compared to modern languages like Java.
  2. Banks running on mainframes face challenges like aging programmers, maintaining legacy systems, and transitioning to more modern technology.
  3. Working as a mainframe COBOL programmer for a bank involves dealing with large amounts of transaction data, intricate databases, and complex IDE like ISPF.

An Intro to Finite State Machines[Math Monday]

Technology Made Simple • 19 implied HN points • 08 Aug 22
🕹 Technology Programming
  1. Finite State Machines (FSMs) are like directed graphs that help in understanding the flow of a program. Nodes represent states and edges show reachable states.
  2. FSMs are useful for filtering input based on rules and when a system is defined by a set of conditions, like in Regex applications.
  3. Mastering FSMs involves patience, practice, and hands-on coding of theoretical concepts to understand and implement them effectively.

Episode 28: Burkhard on Qt Embedded Systems

burkhardstubert • 39 implied HN points • 04 Apr 22
🕹 Technology Programming
  1. Burkhard is switching from a newsletter format to a blog for sharing his thoughts on Qt Embedded Systems. He believes this will help him attract more readers and focus better on his writing.
  2. There are different levels of architecture diagrams for Qt embedded systems, such as context and container levels. These diagrams help in understanding system interactions and can guide the organization of development teams.
  3. Spotify uses a unique structure for its teams, like squads and tribes, to encourage communication and collaboration. This approach helps address dependencies between teams and enhances productivity.

Pascal: The language that almost took over the world part 2

Deus In Machina • 36 implied HN points • 16 Nov 23
🕹 Technology Programming
  1. Pascal programs have a structured format with specific sections for constants, types, and variables.
  2. Free Pascal supports multiple dialects which can be specified using mode directives like OBJFPC and DELPHI.
  3. In Pascal, functions and procedures are declared with keywords like constructor, function, and procedure, and variables are prefixed with T and F.

Issue #103

Infra Weekly Newsletter • 9 implied HN points • 20 Feb 25
🕹 Technology Programming
  1. Hashitalks 2025 event is happening now, and you can check it out for the latest in technology.
  2. You no longer need a DynamoDB table for remote state locking in Terraform when using S3, which simplifies the process.
  3. The Infra Weekly Newsletter covers infrastructure and programming topics, providing useful updates and tutorials each week.

Any Cables Monthly #1

AnyCable Broadcasts • 19 implied HN points • 05 Aug 22
🕹 Technology Programming
  1. The first issue of Any Cables Monthly covers news from the AnyCable ecosystem and real-time projects since the beginning of summer 2022.
  2. The issue includes highlights such as celebrations of AnyCable Pro's first anniversary and insights from RailsConf 2022 videos.
  3. Articles and releases featured in the newsletter discuss topics like scaling Rails web sockets, introducing Action Cable command callbacks, and new versions of various tools like AnyCable Client and Turbo.

Christopher Strachey and the Dawn of Interactive Text

50 Years of Text Games • 49 HN points • 16 May 23
🕹 Technology Programming
  1. Computers evolved quickly in their early years, with innovations being made and lost before becoming standardized.
  2. Computer games with text came before those with graphics, highlighting the initial challenge of dealing with language.
  3. Christopher Strachey, an early computer programmer, paved the way for text-based computer games and made significant contributions to the field of computer science.

CQ4DS - Python project from scratch with poetry, black, ruff, pytest, pre-commit-hooks and GitHub Actions in 15 minute tops

Laszlo’s Newsletter • 43 implied HN points • 03 Aug 23
🕹 Technology Programming
  1. Data scientists benefit from automating project setup for better workflow convenience.
  2. Tools like Poetry, Black, Ruff, pytest, pre-commit-hooks, and GitHub Actions can be set up in just 15 minutes for long-term project benefits.
  3. Setting up version control, testing, automation, and remote deployment are crucial for a well-structured Python project.

[Solution]Problem 44: Longest Substring Without Repeating Characters (Meta / Facebook)

Technology Made Simple • 19 implied HN points • 01 Jul 22
🕹 Technology Programming
  1. The problem discussed is about finding the length of the longest substring without repeating characters.
  2. Approaching a coding problem by carefully considering the data structures to use, like dictionaries and sets, can be crucial in developing an efficient solution.
  3. Building a clear path to figure out the start and end points of the substring can lead to a more organized and effective algorithm implementation.

An intro to Functions [Math Mondays]

Technology Made Simple • 19 implied HN points • 21 Jun 22
🚌 Education Programming
  1. Understanding functions in math helps in becoming a better programmer by teaching how to frame problems as inputs and equations.
  2. Mastering math functions translates well to coding, as both domains involve transformations on inputs to get desired outputs.
  3. To get better at functions, focus on topics like Linear Programming and Precalculus, which can sharpen problem-solving and understanding of transformations.

Transposing a Matrix using RISC-V Vector

Fprox’s Substack • 27 HN points • 09 Jan 24
🕹 Technology Programming
  1. Transposing a matrix in linear algebra is a common operation to switch row-major and column-major layouts to optimize computations.
  2. Different techniques like strided vector operations and in-register methods can be used to efficiently transpose matrices using RISC-V Vector instructions.
  3. Implementations with segmented memory variants and vector strided operations can be more efficient in terms of retired instructions compared to in-register methods for matrix transpose.

Fast AI course- Lesson 0 - FAI0

Arkid’s Newsletter • 44 implied HN points • 06 May 23
🕹 Technology Programming
  1. Fast AI courses are great for learning computer science basics like programming and linear algebra
  2. Social pressure can be a helpful motivator to keep learning and progressing in courses
  3. Joining forums like Fast AI forums can provide valuable support and solutions when encountering difficulties

Disassembling Crossroads, part 1

Dan’s MEGA65 Digest • 11 implied HN points • 15 Nov 24
🕹 Technology Programming
  1. The game Crossroads is a fast-paced maze shoot'em up where players collect items and battle various enemies. It's a classic Commodore 64 game that invokes nostalgia for many fans.
  2. Reverse engineering games like Crossroads can help understand how they work, especially their graphics and sound mechanics. Using modern tools, you can inspect the game’s code and see how it produces effects.
  3. New features for gaming boards, like high score tables for MEGA65 games, enhance competitive play. These tools suggest an active community looking to improve gaming experiences on older hardware.

The “Perks” of Being a Full-Stack Dev, Junior Devs’ Burnout, & JavaScript’s Temporal

HackerPulse Dispatch • 8 implied HN points • 04 Feb 25
🕹 Technology Programming
  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.

Extending Object Definitions With OpenAPI's allOf

The API Changelog • 3 implied HN points • 25 Jul 25
🕹 Technology Programming
  1. OpenAPI allows you to define object inheritance using a feature called 'allOf'. This makes your API structure cleaner and easier to manage.
  2. Using 'allOf' helps reduce duplication by allowing you to create a base object that various other objects can extend. This means you only need to define shared fields once.
  3. By organizing your OpenAPI documents with 'allOf', you can make changes more safely. Updating shared fields in one place avoids mistakes and keeps everything consistent.

GitTrends - June 2 2024

GitTrends • 1 HN point • 02 Jun 24
🕹 Technology Programming
  1. Highly popular GitHub projects include ChatTTS, SickoMenu, and YOLOv10 showcasing innovation in speech, gaming, and object detection technologies.
  2. Significant week-to-week growth was observed in projects related to software architecture, AI applications in finance, and search engine libraries, indicating a surge in interest and development in these areas.
  3. Emerging trends include projects like MusicGPT, Rope, and LookOnceToHear, highlighting advancements in music generation, GUI interaction, and real-time speech extraction technologies, contributing to diverse GitHub contributions.

🌸 Newsletter #30: A new HTTP status, manage difficult colleagues, finally understand the DNS...

Women On Rails Newsletter - International Version • 19 implied HN points • 26 Apr 22
🕹 Technology Programming
  1. The newsletter covers a new HTTP status code and updates on frameworks like Astro and Redwood.
  2. Tips on building relationships with difficult colleagues, recruiting juniors effectively, and balancing coding as a manager.
  3. Exploring resources for better coding practices like semantic HTML and a DNS playground.

Mathematics of Machine Learning official release announcement!

The Palindrome • 8 implied HN points • 29 Jan 25
🕹 Technology Programming
  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.

Beware programmer traps!

Sunday Letters • 39 implied HN points • 21 Nov 21
🕹 Technology Programming
  1. It's hard for people in tech to explain ideas to non-technical folks. What seems clear to a programmer can be confusing to others.
  2. Designing products based on complex models can lead to failure if they don’t connect with everyday users. Sometimes, simpler products that reflect real user needs work better.
  3. Being aware of different perspectives is key. User testing helps ensure ideas make sense to everyone, not just those with technical backgrounds.

Data Science Weekly - Issue 467

Data Science Weekly Newsletter • 19 implied HN points • 03 Nov 22
🕹 Technology Programming
  1. User experience (UX) is really important for startups using large language models. Many struggle because they focus on the wrong things instead of improving UX and product design.
  2. Data science notebooks have evolved a lot since they were first introduced. They are now essential tools in data science, and there’s an exciting future ahead for their development.
  3. OpenAI is financially supporting AI startups with a significant investment. They're offering early access to their systems to help these startups grow.

The JavaScript ecosystem in 2024

Optimism (for the web) • 11 implied HN points • 30 Oct 24
🕹 Technology Programming
  1. Svelte and React are evolving together, pushing boundaries with compiler-based approaches. This means developers can write better optimized code more easily.
  2. Remix and Next.js are improving the way we fetch data in React apps. These frameworks are making it easier to manage data and layouts, creating a better experience for developers.
  3. Prisma is raising the standard for using databases in the JavaScript ecosystem. Its strong TypeScript support is being adopted more widely, encouraging better communication between different platforms.

GPU GUI: Table Of Contents

Hasen Judi • 35 implied HN points • 15 Jul 23
🕹 Technology Programming
  1. The article series covers topics like Signed Distance Fields, creating complex shapes, and GPU draw commands.
  2. The project involves using languages like Odin, SDL2, Metal, and OpenGL for implementation.
  3. Readers can learn about GPU UI design and implementation by following the series on the website provided.

Problem 36: Container with Most Water[Two Sigma]

Technology Made Simple • 19 implied HN points • 05 May 22
🕹 Technology Programming
  1. Finance industry can offer high-paying jobs in Software Development due to substantial investments, but acquiring these jobs requires excelling in challenging interviews.
  2. Problem-solving questions like finding the container with the most water, such as Leetcode 11, are popular in interviews, emphasizing critical thinking and coding skills.
  3. Engaging with platforms like Substack can be beneficial for sharing knowledge and building a community by inviting feedback and participation from readers.

October recap

The Palindrome • 1 implied HN point • 09 Nov 25
🕹 Technology Programming
  1. In October, several new articles were published on machine learning topics, including how to measure information and understanding computational graphs. These resources are helpful for anyone looking to learn about these subjects.
  2. The Palindrome hosted live events, including 'Office Hours' and interviews with experts. These sessions offered a chance for members to engage and learn more directly from knowledgeable guests.
  3. The community is growing with over 540 machine learning practitioners joining the membership, making it a great place for networking and learning together.

#97 — OAI will have the best coder by year end, Society-as-a-service and DOM's native state preserving move API and more

The Nibble • 7 implied HN points • 13 Feb 25
🕹 Technology Programming
  1. OpenAI is working hard to develop a coding model that's expected to be the best by year end, potentially transforming how coding tasks are approached.
  2. There is a new trend emerging called 'Society-as-a-service,' which could change how communities are built and managed.
  3. A new feature in web development allows elements to be moved in a document without losing their state, making user interactions smoother.

Problem 35: 3 Sum[Netflix]

Technology Made Simple • 19 implied HN points • 28 Apr 22
🕹 Technology Programming
  1. Understanding the 3 Sum problem is crucial for coding interviews, as it's a common question with useful problem-solving tricks.
  2. The 3 Sum problem involves finding triplets in an integer array that sum up to zero, while ensuring no duplicates in the solution set.
  3. It's important to have prior experience or knowledge to tackle the 3 Sum problem effectively during interviews.