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Dave McCollough

@davemccollough.com

I do cloud and security things | Build indie apps | Hiker, climber and mountain biker Denver CO I don’t always blog, but when I do it’s at davemccollough.com

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24.04.2023
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Latest posts by Dave McCollough @davemccollough.com

Chain React is back! Want to give a talk, but don't know where to start. Start here! Submit your idea or even post in our community slack for more help.

24.02.2026 18:51 👍 2 🔁 1 💬 0 📌 0
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13.02.2026 08:30 👍 93 🔁 55 💬 1 📌 4
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Develop apps for Apple platforms | Apple Developer Documentation Learn the basics of Xcode, SwiftUI, and UIKit to create compelling apps.

16+ free hours of training from Apple on the basics of Xcode, SwiftUI, and UIKit

developer.apple.com/tutorials/ap...

08.02.2026 07:45 👍 1 🔁 0 💬 0 📌 0

The @swift.org team is demonstrating a level of consistency that makes me believe they really want to see the Swift programming language thrive outside of the Apple ecosystem.

26.01.2026 22:23 👍 94 🔁 12 💬 3 📌 0

The Rust Book
doc.rust-lang.org/book/

Rustlings
rustlings.rust-lang.org

20.01.2026 05:11 👍 2 🔁 0 💬 0 📌 0
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2025 was a standout year for Kotlin Multiplatform — now powering apps for millions worldwide.

📈 Adoption in top apps doubled YoY
🎨 81% of devs use Compose Multiplatform
🧰 Solid tooling on macOS, Windows & Linux
✅ Used in production at Google, Duolingo & Douyin

Thread 🧵👇

16.01.2026 12:17 👍 15 🔁 3 💬 1 📌 0

I’ve really been enjoying Swift!

12.01.2026 17:42 👍 1 🔁 0 💬 0 📌 0

Congrats to you and your family!

12.01.2026 14:18 👍 1 🔁 0 💬 1 📌 0

The struggle is real.. life is short, order the pizza!

09.01.2026 02:53 👍 0 🔁 0 💬 0 📌 0
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tarting off the new year by registering for a little 40 mile mountain bike race with 6,800′ of elevation gain.

02.01.2026 02:49 👍 1 🔁 0 💬 0 📌 0

Always good to hear from @tdesseyn.bsky.social about the hiring landscape. Don’t miss it!

12.12.2025 23:03 👍 7 🔁 3 💬 0 📌 1
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Day 11 - Advent Calendar 2025 - Galaxies.dev Day 11 of the React Native Advent Calendar 2025. This content will unlock on December 11, 2025.

🎄 Day 11 of the React Native Advent Calendar!
Behind today’s door: DevTools 🧑‍💻

Did you know about these tools to debug your React Native app?

Open the door 👇
galaxies.dev/calendar/20...

11.12.2025 14:56 👍 1 🔁 1 💬 0 📌 0
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🎄 Day 1 of the React Native Advent Calendar!
Behind today’s door: 5 Essential Features of Expo Router 🚀

If you’re building with @Expo.dev in 2025, these routing features will make every app a joy to work with 😍

Start here 👇
galaxies.dev/calendar/20...

01.12.2025 14:01 👍 7 🔁 2 💬 1 📌 0

We just shipped text recognition for React Native MLKit!

25.11.2025 18:05 👍 7 🔁 2 💬 0 📌 0
Black Friday promotional banner advertising 30% off Natalia Panferova's books: SwiftUI Fundamentals, Swift Gems and Integrating SwiftUI into UIKit apps

Black Friday promotional banner advertising 30% off Natalia Panferova's books: SwiftUI Fundamentals, Swift Gems and Integrating SwiftUI into UIKit apps

My Black Friday book sale has started! All of my Swift and SwiftUI books are now 30% off!

Find out more: books.nilcoalescing.com

#iOSDev #SwiftUI #SwiftLang

19.11.2025 09:13 👍 15 🔁 10 💬 0 📌 2
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CSS Grid by intergalacticspacehighway · Pull Request #1865 · facebook/yoga Why? CSS grid provides us more control to position children in a two-dimensional layout system. It works as a complimemtary system to Flexbox. Official spec for more details/usage. There are a few...

🆕 This PR from @nishan.dev adds CSS grid support to react native 🙌

It's not possible to overstate how massive this is for all of us. Future generations will celebrate Nishan Bende Day 🐐

github.com/facebook/yog...

17.11.2025 20:23 👍 66 🔁 10 💬 2 📌 1
React Native Godot Games 👀
React Native Godot Games 👀 WATCH LIVE: https://www.twitch.tv/thesimongrimmLearn React Native FAST: https://galaxies.devIf you enjoyed the video don't forget to like, subscribe, & share...

After a 2 year break I'm finally jumping on a livestream again!

Catch me tomorrow and let's build a React Native Game together 🤝

Get notified when the stream starts 🤝
www.youtube.com/watch?v=eDc...

12.11.2025 15:02 👍 5 🔁 1 💬 0 📌 0
Deadmau5

Deadmau5

Deadmau5

Deadmau5

Time for Day of the Deadmau5!

09.11.2025 01:21 👍 2 🔁 0 💬 0 📌 0

Looking forward to this!

07.11.2025 16:14 👍 2 🔁 0 💬 0 📌 0
Getting started with Meta Horizon Development using Expo
Getting started with Meta Horizon Development using Expo YouTube video by Expo

Great video on how to get started building apps for Horizon OS with React Native and @expo.dev

www.youtube.com/watch?v=24G2...

07.11.2025 01:51 👍 2 🔁 0 💬 0 📌 0

Creating a "Recommended RN Libraries" video - what's your go-to stack and the essential React Native libraries you can't live without?

03.11.2025 17:00 👍 6 🔁 1 💬 2 📌 0
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GitHub - hyochan/react-native-iap: In App Purchase module for React Native that confirms OpenIAP In App Purchase module for React Native that confirms OpenIAP - hyochan/react-native-iap

Anyone interested in a video about the new React Native IAP package?

Looks solid to me, although I'm usually a big fan of using RevenueCat

This is the package btw
github.com/hyochan/rea...

30.10.2025 15:04 👍 5 🔁 2 💬 2 📌 0
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Building a MIDI-over-Bluetooth app using Expo Modules Learn how to build custom native functionality using Expo Modules, including adding MIDI-over-Bluetooth support for real-world hardware integration.

Very cool use case for Expo Modules

expo.dev/blog/buildin...

31.10.2025 09:09 👍 0 🔁 0 💬 0 📌 0

Want to integrate on-device AI features into your React Native apps?

Good news! The talk that our very own @gantlaborde.com and @mazenchami.dev recently gave at @cascadiajs.com is now on YouTube!

Don't miss it 👇

21.10.2025 22:43 👍 11 🔁 4 💬 0 📌 0
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Become an AI-native developer with the Expo MCP server The Expo MCP Server preview connects your AI coding assistants to your Expo projects so they can access docs, automate workflows, and verify your app visually.

ATTN Developers: your AI assistant just got smarter.

The new 𝝠 Expo MCP Server connects it directly to your Expo project so it can learn your SDK, fetch docs, automate installs, and test your app visually.

Available now for all EAS paid plans (SDK 54+).

✍️ @kudochien.dev: expo.dev/blog/become-...

21.10.2025 13:27 👍 9 🔁 1 💬 0 📌 1
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From Files to Buffers: Building Real-Time Audio Pipelines in React Native Learn how to move beyond file-based audio APIs and work directly with in-memory PCM data in React Native. This guide shows how to construct WAV buffers, use JSI for zero-copy transfers, and enable rea...

Great breakdown on building real-time audio in React Native — moving from file-based audio to in-memory buffers with JSI for low-latency processing. Super useful for apps with live effects or streaming.

www.callstack.com/blog/from-fi...

19.10.2025 03:11 👍 1 🔁 0 💬 0 📌 0
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React Native Radio - RNR 346 - Shopify's Transition to the (new) Architecture In this episode, Mazen Chami sits down with Mustafa Ali (Director of Engineering and Head of Mobile at Shopify) and Thiago Magalhães (Staff Software Developer at Shopify) to dive deep into Shopify’s t...

🖤❤️ RNR 346 ❤️🖤

How was Shopify's transition to the New Architecture?

This week: Mustafa Ali and Thiago Magalhães from Shopify do a deep dive into the company's transition to the new architecture with @mazenchami.dev!

Don't miss it! 🎧
infinite.red/react-native...

17.10.2025 22:06 👍 11 🔁 8 💬 0 📌 1

TIL about npm run reset-project.. removes all the boilerplate from a Expo project.

15.10.2025 23:44 👍 1 🔁 0 💬 0 📌 0
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Release v0.1.10 · coolsoftwaretyler/cool-pdf Release v0.1.10 Version 0.1.10 has 89% props parity with react-native-pdf. If you're looking for a replacement, it should be in a state where you can experiment with it, although it's not quite pro...

Cool PDF v0.1.10 has 89% parity with react-native-pdf! Still heavily AI generated. I'll be doing some code auditing and documentation to get it production ready. But it should be in a state where you can evaluate if it'll work for you: github.com/coolsoftware...

06.10.2025 01:52 👍 8 🔁 1 💬 2 📌 0
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🎉 Introducing React Native Harness - a lightweight framework for testing native modules directly on device or emulator.

Write tests in a Jest-like syntax, run them in a real React Native runtime, and verify native behavior without mocks.

15.10.2025 13:59 👍 14 🔁 6 💬 2 📌 0