Swift Programming

Preserve your images' transparency when saving and sharing them, in Swift

Loosing your rounded corners or transparent background when saving an image to the user's photo library or sharing it with UIActivityViewController? It's because it's be turned into a JPEG. Here's how to solve that.

Photo by Bud Helisson / Unsplash

Let's say we are making an app. A chat app, a social media where the main medium are pictures, an image generation app using the latest GAN models machine learning has to offer, whatever. It's an iOS app, written in Swift, it shows images, and users can save those locally and re-share them through other apps, without losing the alpha (the transparency).

Unwrapping Any, in Swift

If Any is not nil, except when it is, how do we check it and unwrap the underlying?

Reset a whole range of commits, at once, in a single commit, while preserving your Git history

Oh no! This shouldn't have been released! We were supposed to x, y, and z first! But it's been merged, and pushed to main. And you can't force push; you'd have to let everyone else know, so they can handle their local

Recover from (nearly) anything, using Git

Ever faced a disaster with git rebase or reset --hard? Don't panic! Today, you'll learn how to undo most mistakes and recover from nearly anything. Perfect for any developer!Turn Git nightmares into success stories!

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