Hi, I’m Valentin! on vknabel

I have never done anything productive with Kubernetes before.

Iterating over a map in Go is not predictable.

I had completely forgotten about NSDataAsset.

When using auto layout with a UIScrollView, subviews may not attach to the top edge of the scroll view’s parent.

Starting with Swift 5.6 the Swift Package Manager can automatically detect Breaking API changes.

Async tests do not work on Linux, only on macOS.

Cookies in WKWebView are broken.

Sometimes you need your local IP address on the command line to automatically pass it to a script. ifconfig en0 |awk '/inet / {print $2; }'

If the default Table Of Contents / Index Set for iOS does not fit your use cases.

Back in 2019 I wrote an article about how to debug your Swift Package Manager projects in Visual Studio Code.

In case your UINavigationBar has been set to a custom color and the navigation bar is not translucent, you will experience a visual regression when updating to Xcode 13.

Today I learned about asdf, which is a pluggable version manager.

Copying contents from the web often copies weird characters, like the invisible character U+FEFF or “Zero Width No-Break Space”.

I tried to keep my work stuff separate from my personal stuff on the same machine.

A few months ago Swift 5.5 has been released and made async/await available.

UIApplication.shared isn’t available within an iOS app extension.

Converting a simple and small iOS app was far easier than expected.

Nestjs has very great decorators to annotate your routes, dtos and controllers.

XPath is a really powerful tool to query XML documents, if you are forced to.

Using enums in Swift for static Table View Data Sources is really great.

I have never actually seen serious code that’s running in production, that uses base64 encoding for password for over a decade.

I haven’t used SwiftGen for a long time, but wow, it has improved a lot.

Since WWDC21 all iOS apps that provide registration are also required to provide the deletion of those accounts.

Gradle did reject my ssh key due to invalid privatekey.

Nothing especially new here, but a reminder: Firebase might be a good choice if you need realtime updates.

With CSS skew you can simulate a perspective effect.

When using @main on a SwiftUI.App and @UIApplicationDelegateAdaptor(AppDelegate.self) you can still have an AppDelegate without handling SwiftUI manually as without @main.

Now, Android apps require a description for each permission.

Bitrise binary uploads cannot be updated after saving.

Nothing new today, but a quick reminder: Even if you don’t need to explicitly localize String literals for Text manually, you can still need to when passing Strings to UIAlertController or other UIKit classes.

When maintaining multiple locales within your project, try to keep line numbers consistent across all locales.

Localizable.strings doesn’t support unicode \unnnn escapes, but only \Unnnn!

ftp-simple allows opening FTP connections as VS Code workspace!

How to detect a URL in a String using NSDataDetector - free Swift 5.1 example code and tips https://www.hackingwithswift.com/example-code/strings/how-to-detect-a-url-in-a-string-using-nsdatadetector

The Android Studio tooling for Android apps checks and validates all translation keys.

UIImageView image is not animatable.

Wnat your UICollectionViewCell transparent?

When setting the background color randomly in SwiftUI, you will be able to detect every single repaint!

UIView animate does not delay if there are no changes.

This cheat sheet is actually not bad!

An [unowned self] in a Coordinator is okay.

When developing Swift in Visual Studio Code there were a few cases, where I preferred Xcode.

The past few days I created a new server using Vapor and hit vapor new <project> --auth which created a Vapor 3 server.

Editors like Visual Studio Code live from a wide range of extensions and customization.

Running and debugging your targets in Visual Studio Code is not prepared by default.

A simple example implementation of the Redux pattern with multiple reducers and listeners.

Async operators debounce, throttle or delay that functional reactive programming libraries as RxSwift and ReactiveSwift provide are super useful and expressive.

The initial idea behind InferIt was to create some mixture of a constraint solver and a dependency manager: you would just tell it what to install and it would gather as much information as possible to install it.

Archery is about doing something with your project’s metadata.

Today I released the new 2.7.0 update to SDE for VS Code and the companion project sourcekite has been updated, too.