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The Programming Hub

Languages, tooling, and shipping code that actually works — new releases, compiler rewrites, and the decisions behind them.

31

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30 Jul

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What's Live

The 6 most recent programming posts. Featured ones are flagged.

JDK 27 New Features Explained: What Actually Changes

JDK 27 New Features Explained: What Actually Changes

JDK 27 ships nine JEPs, but only a few actually change your code today. What's default now, what's still preview, and what to do about each one now.

Microsoft Bought GitHub for $7.5 Billion and Has Been Slowly Wrecking It Ever Since

Microsoft Bought GitHub for $7.5 Billion and Has Been Slowly Wrecking It Ever Since

Linus built Git in 10 days. GitHub became where open source lives. Then Microsoft paid $7.5B, killed Atom, trained Copilot on your code, corrupted main branches with a merge queue bug, and folded the whole thing into CoreAI. Here's the full story.

Build Your Own AI Coding Assistant With Access to Your Entire Codebase (2026)

Artificial intelligence Featured

Build Your Own AI Coding Assistant With Access to Your Entire Codebase (2026)

GitHub Copilot charges $19/month and sends your entire codebase to Microsoft's servers. You can build something better — one that knows your whole project, costs $0/month after hardware, and never phones home.

Python's frozendict Is Finally Happening — And It's More Important Than You Think

Python's frozendict Is Finally Happening — And It's More Important Than You Think

Python 3.15 ships a built-in frozendict — hashable, O(1) lookups, order-preserving, thread-safe by design. Here's the full technical picture: the 14-year history, how hashing works, what it unlocks for lru_cache and free-threaded Python, and every sharp edge you need to know before you use it.

r/programming Just Banned LLM Discussions. I Understand Why. I Still Disagree with it.

Programming Featured

r/programming Just Banned LLM Discussions. I Understand Why. I Still Disagree with it.

The largest programming community on Reddit banned all LLM content for April. The frustration behind the decision is real. The decision itself is a mistake. Here's the full picture: what the ban covers, why it happened, what the data says, and where I actually land on AI as a coding tool.

PEP 816: Python Finally Gets Serious About WebAssembly

PEP 816: Python Finally Gets Serious About WebAssembly

CPython has had informal WebAssembly support since Python 3.11. PEP 816 changes that. Brett Cannon just locked down exactly which WASI and SDK versions each Python release will target — and why SDK versions 26 and 27 got blacklisted entirely.

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Everything Else

FeaturedImplementing Your Own Garbage Collector in Java: Memory Allocation, Reference Tracking, and GC Algorithms 29 Apr 2023 · 18 min read Intuitive Method of Finding the Inverse of a Matrix 02 Feb 2023 · 3 min read Getting started with Embedded C 15 Dec 2022 · 7 min read FeaturedRSA in Python Part 3: Timing Attacks and Their Fixes 08 Apr 2022 · 17 min read FeaturedRSA in Python Part 2: Prime Generation and Encryption 21 Aug 2021 · 14 min read FeaturedRSA in Python From Scratch: Math, Keys, and Real Code 19 Aug 2021 · 17 min read