Room-Inspired Local Persistence in Swift: A Production GRDB Architecture
Introduction If you've built Android apps with Room, you already think in a layered persistence model: entities define your schema, DAOs handle querie…
Testing & QA
⚑ Report a ProblemLatest Testing & QA news from Tech News
All topics
agents
ai
api
architecture
automation
aws
beginners
career
claude
cybersecurity
database
devchallenge
devops
discuss
javascript
llm
machinelearning
mcp
opensource
performance
productivity
programming
python
security
showdev
softwareengineering
testing
tutorial
typescript
webdev
I shipped my first iOS app, got rejected twice, and built a tool so it never happens again
The code was never the hard part. The App Store review was. I shipped my first iOS app — a small baby tracker — and got rejected twice. Not for bugs. …
Weekly Dev Log 2026-W09
🗓️ This Week Completed the SwiftUI app development tutorial and tested the app I built on a real iPhone🦾 Learned the overall flow of building an iOS a…
WWDC 2026 - Xcode 27 Ships With Apple's Own Agent Skills: What They Are and How to Use Them
At WWDC 2026, Apple did something specific and easy to miss in the flood of Siri AI headlines: Xcode 27 now ships with a set of agent skills that Appl…
Swift Ternary Operator — Making Quick Decisions in One Line ⚡
We've covered if , else if , else , and switch — all great ways to make decisions in Swift. But there's one more tool in the toolkit that's much more …
Migrating a Real App to Swift 6: Data Races, a Dependency I Had to Evict, and the Compiler That Wouldn't Let Me Lie
Let me start with a confession: I have been writing concurrent code since the only tool in the box was a mutex and a prayer. After a decade of Swift I…
Building a Native macOS Menu Bar Widget with SwiftUI and Glassmorphism
I recently open-sourced SysMonitor, a native macOS menu bar app for tracking system resources like CPU, RAM, Disk I/O, and Network speeds. I built it …
Building an unofficial Dumpert client for Apple TV with Swift 6 and SwiftUI
Dumpert is a Dutch video site I've watched for years, but there's never been an Apple TV app, so I built one. DumpertTV is an unofficial, open-source …
Weekly Dev Log 2026-W08
🗓️ This Week Completed one section of the SwiftUI tutorial 🦾 Since I want to continue through the tutorial until I can build the app for testing and r…
Improving Your iOS Development Workflow with AI Skills
AI coding assistants have quickly become part of many developers' daily workflows. Whether it's generating boilerplate code, reviewing pull requests, …
Keep Spaghetti in the Kitchen, Not in Your Swift Code: Mastering SOLID 🍝
Hey iOS Devs! 👋 Don't get me wrong, I love a good plate of Spaghetti Carbonara. But when it comes to iOS development, spaghetti belongs in the kitchen…
Живые обои на Mac своими руками: Metal, окна на уровне рабочего стола и немного математики
Я сделал приложение NeonDrift — живые обои для macOS на основе Metal-шейдеров. Для базовой работы не нужны сторонние библиотеки, Screen Recording или …
How iOS developers actually get paid: a practical guide to Apple's fiscal calendar
You ship your app. Sales start showing up in App Store Connect. And then you wait. The money doesn't arrive on the first of the month like a paycheck,…
Weekly Dev Log 2026-W06
🗓️ This Week Made a little more progress in the SwiftUI tutorial🦾 Started the journey of building my future portfolio site✈️ First, I created the proj…
I built GhostType: inline AI text completion for every app on macOS
Writing the same kind of sentences over and over — meeting replies, status updates, polite refusals — eats a surprising amount of the day. LLMs can fi…
I built my daughter a geography app. It took 67 days and zero dependencies.
Two months ago, I started building an iOS app for my daughter. This week, I shipped it. MapSprout is a US geography app for kids — they learn the 50 s…
Weekly Dev Log 2026-W04
🗓️ This Week I had a long holiday during Golden Week in Japan and really enjoyed the break! Because of that, I didn't have as much learning time compa…
Your parity gate must enforce the number you publish: a testing methodology for porting ML models across runtimes
You ship an ML model port from Python to another runtime — Swift, C++, ONNX, whatever. The build succeeds. The model loads. You feed it the canonical …
How I rebuilt the Codable migration pattern across 4 iOS apps in 2 hours
I was adding a single new feature to DaysUntil: yearly-recurring events. Twenty lines of product code. But underneath, the data layer needed a pattern…
Rejourney Session Replay Now Open Beta for Swift
After nearly 3 months of battle testing our React Native package, and recording over 1.5 million session replays from users all over the world, we now…
За два месяца вместо года: как мы переписали 97 тысяч строк кода с Objective-C на Swift
Миграция большого iOS-проекта с Objective-C на Swift кажется понятной задачей ровно до тех пор, пока не начинаешь считать объём. В нашем случае это бы…