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Programming

Programming knowledge cards on KnowBite — curated from specialist publications, updated throughout the day.

  1. Learn Model Context Protocol (MCP) Security

    MCP bridges the gap between your AI agents and your external tools, allowing them to send Discord messages, read your emails, and interact with your environment. But this massive leap in capability co

    freeCodeCamp · 2026-10-23T01:49:44Z

  2. What's new in Swift: September 2026 Edition

    Welcome to “What’s new in Swift,” a curated digest of releases, videos, and discussions in the Swift project and community. The Vapor web framework recently turned ten and celebrated with Vapor Week! We’ve invited one of the authors of Vapor as this month’s guest contributor: Hi, I’m Tim from the Vapor Core Team! 10 years ago, in September, Vapor 1.0 was released, and over the years Vapor has matured into a…

    Swift.org · 2026-10-08T17:00:00Z

  3. What Is Model Distillation? A Guide for Developers

    Over time, knowledge has been passed down in various forms. Before writing was invented in ancient Mesopotamia (modern-day Iraq), laws, history, myths, songs, and other information were all transferre

    freeCodeCamp · 2026-10-21T18:46:22Z

  4. Swift 6.4 Released

    Swift 6.4 is now available. Swift aims to be a great choice across the stack, from apps and servers to systems code, embedded devices, and the browser. This release deepens that support, and makes everyday code easier to write. Highlights include: Swift Build is now the default in Swift Package Manager , so your projects build the same way on Linux, macOS, and Windows. Subprocess reaches 1.0 , a stable…

    Swift.org · 2026-09-15T07:30:00Z

  6. Swift 6.4 Released

    Swift 6.4 is now available. Swift aims to be a great choice across the stack, from apps and servers to systems code, embedded devices, and the browser. This release deepens that support, and makes everyday code easier to write. Highlights include: Swift Build is now the default in Swift Package Manager , so your projects build the same way on Linux, macOS, and Windows. Subprocess reaches 1.0 , a stable…

    Swift.org · 2026-09-15T07:30:00Z

  8. Module Tracking in Swift Debug Info

    When your Swift program hits a breakpoint and stops so you can inspect it, the debugger’s expression evaluator has to find the exact Swift module your code was built from. Until now, that lookup wasn’t always precise. The upcoming Swift 6.4 release will include changes, begun in Swift 6.3, that address this by updating how the Swift compiler references explicitly-built Swift modules in debug info. The majority of…

    Swift.org · 2026-09-11T15:30:00Z

  9. How Neural Networks Work: Why Straight Lines Aren't Enough

    A straight line equation is a good place to start understanding how a neural network works. It's what we explored in my previous article, How Neural Networks Work – Explained Using the Straight Line E

    freeCodeCamp · 2026-10-20T16:36:05Z

  10. Module Tracking in Swift Debug Info

    When your Swift program hits a breakpoint and stops so you can inspect it, the debugger’s expression evaluator has to find the exact Swift module your code was built from. Until now, that lookup wasn’t always precise. The upcoming Swift 6.4 release will include changes, begun in Swift 6.3, that address this by updating how the Swift compiler references explicitly-built Swift modules in debug info. The majority of…

    Swift.org · 2026-09-11T15:30:00Z

  12. What's new in Swift: August 2026 Edition

    Welcome to “What’s new in Swift,” a curated digest of releases, videos, and discussions in the Swift project and community. Here’s an update from guest contributor Simon Leeb on Swift’s progress as a language for web scenarios: Hi, Simon here! I am the creator of the elementary-swift project, a collection of packages born from a simple wish: I want to build web UIs in Swift and ultimately help Swift become a…

    Swift.org · 2026-09-04T16:30:00Z

  13. How to Build an AI Agent Harness from Scratch in TypeScript

    Many AI agent tutorials start with a language model, give it a few tools, and run a loop until it produces an answer. That's enough to demonstrate tool calling, but it leaves the interesting engineeri

    freeCodeCamp · 2026-10-20T09:33:46Z

  14. What's new in Swift: August 2026 Edition

    Welcome to “What’s new in Swift,” a curated digest of releases, videos, and discussions in the Swift project and community. Here’s an update from guest contributor Simon Leeb on Swift’s progress as a language for web scenarios: Hi, Simon here! I am the creator of the elementary-swift project, a collection of packages born from a simple wish: I want to build web UIs in Swift and ultimately help Swift become a…

    Swift.org · 2026-09-04T16:30:00Z

  15. How to Make Your Coding Agent Check Its Work in the Browser

    I got tired of coding agents telling me the frontend work was done when nobody had opened the frontend. You've probably seen the routine. The agent changes some code, runs the formatter, the type chec

    freeCodeCamp · 2026-10-20T09:16:48Z

  16. Embedded Swift Improvements Coming in Swift 6.4

    Embedded Swift is a subset of Swift that’s designed for low resource usage, making it capable of running on constrained environments like microcontrollers. Using a special compilation mode, Embedded Swift produces significantly smaller binaries than regular Swift. While a subset of the full language, the vast majority of the Swift language works exactly the same in Embedded Swift. Additional information is described…

    Swift.org · 2026-08-20T13:45:00Z

  18. Embedded Swift Improvements Coming in Swift 6.4

    Embedded Swift is a subset of Swift that’s designed for low resource usage, making it capable of running on constrained environments like microcontrollers. Using a special compilation mode, Embedded Swift produces significantly smaller binaries than regular Swift. While a subset of the full language, the vast majority of the Swift language works exactly the same in Embedded Swift. Additional information is described…

    Swift.org · 2026-08-20T13:45:00Z

  20. What's new in Swift: July 2026 Edition

    Welcome to “What’s new in Swift,” a curated digest of releases, videos, and discussions in the Swift project and community. Swift is built by contributors working on far more than the language and compiler. Alexander Sandberg reflects on what that kind of contribution looks like, and why there’s a place for you too: Hi, I’m Alex. Four years ago I joined the Swift Website Workgroup to help care for the website you’re…

    Swift.org · 2026-08-07T15:30:00Z

  22. What's new in Swift: July 2026 Edition

    Welcome to “What’s new in Swift,” a curated digest of releases, videos, and discussions in the Swift project and community. Swift is built by contributors working on far more than the language and compiler. Alexander Sandberg reflects on what that kind of contribution looks like, and why there’s a place for you too: Hi, I’m Alex. Four years ago I joined the Swift Website Workgroup to help care for the website you’re…

    Swift.org · 2026-08-07T15:30:00Z

  23. How to Migrate an Application from AWS to GKE [Full Book]

    This guided lab walks you through migrating a small payments app, with a React UI and Express API running on a single AWS EC2 instance, while PostgreSQL stays on AWS. You’ll move the UI and API to Goo

    freeCodeCamp · 2026-10-16T15:40:39Z

  24. What's new in Swift: June 2026 Edition

    Welcome to “What’s new in Swift,” a curated digest of releases, videos, and discussions in the Swift project and community. June was an exciting month for Swift, featuring announcements at WWDC and community events around the globe. We invited the organizers of one of them to share with us: Hey, it’s Mikaela and Adrian. We are organizers of CommunityKit , a community-organized conference that takes place the same…

    Swift.org · 2026-07-02T16:00:00Z

  26. What's new in Swift: June 2026 Edition

    Welcome to “What’s new in Swift,” a curated digest of releases, videos, and discussions in the Swift project and community. June was an exciting month for Swift, featuring announcements at WWDC and community events around the globe. We invited the organizers of one of them to share with us: Hey, it’s Mikaela and Adrian. We are organizers of CommunityKit , a community-organized conference that takes place the same…

    Swift.org · 2026-07-02T16:00:00Z

  27. The Anatomy of an AI Data Center

    Artificial intelligence models like GPT-4 and Claude require massive, highly complex physical infrastructure. We just published a new full-length course on the freeCodeCamp.org YouTube channel that ta

    freeCodeCamp · 2026-10-16T11:56:17Z

  28. Swift Package Index Update

    Since its launch, Swift Package Index has become an essential part of the Swift ecosystem, helping developers discover quality packages, evaluate compatibility, and make informed decisions about dependencies. Started by Dave Verwer and Sven A. Schmidt, the project currently indexes thousands of packages and serves as a central hub for package documentation. Recently, Swift Package Index has grown alongside the Swift…

    Swift.org · 2026-06-23T14:00:00Z

  30. Swift Package Index Update

    Since its launch, Swift Package Index has become an essential part of the Swift ecosystem, helping developers discover quality packages, evaluate compatibility, and make informed decisions about dependencies. Started by Dave Verwer and Sven A. Schmidt, the project currently indexes thousands of packages and serves as a central hub for package documentation. Recently, Swift Package Index has grown alongside the Swift…

    Swift.org · 2026-06-23T14:00:00Z

  32. Swift at Apple: Migrating the TrueType Hinting Interpreter

    TrueType is a widely used vector font standard for rendering text in web pages, PDFs, operating systems, and applications. Familiar fonts like Helvetica, Garamond, and Monaco are all built on TrueType outlines. The format specifies a hinting interpreter intended to help outlines rasterize faithfully on low-resolution displays. Modern high-resolution displays enable beautiful typography from outlines alone, but…

    Swift.org · 2026-06-12T10:00:00Z

  36. How to Stop an AI Agent from Inventing Nigerian Postcodes

    On 1 October 2026, Nigeria's postcode changed from six digits to an 11-character code that identifies a single building, such as EK-01-A03-FK-01. Language models trained before that date still describ

    freeCodeCamp · 2026-10-14T15:32:13Z

  37. How to Keep a File for Minutes, Not Years, on Cloud Run

    A print job, a one-time download, or a support attachment typically only needs to exist until someone finishes with it. But most backends still store it like Google Drive: a named object, no expiry, a

    freeCodeCamp · 2026-10-14T04:08:28Z

  39. What to Do When Your Constants Are Someone Else's Law

    A colleague once asked me why a number in my code had a comment three lines long. The number was 18. The comment said which rule it came from, which section notified it, and that it could change witho

    freeCodeCamp · 2026-10-11T14:05:40Z