The (not so) Weekly Fitz

Thoughts, stories and ideas.

The (not so) Weekly Fitz

Latest

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

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.

Everybody's doing it (a Stable Diffusion test post)

Everybody's doing it (a Stable Diffusion test post)

From a base64 API Key to a json file, in bash, on macOS

From a base64 API Key to a json file, in bash, on macOS

We aren’t that remarkable

We aren’t that remarkable

Escape a newline in bash on macOS

Escape a newline in bash on macOS

Build OpenCV Contrib as a .xcframework, for iOS, on a M1

Build OpenCV Contrib as a .xcframework, for iOS, on a M1

Work is a market

Work is a market

Serverless

Separate concerns and optimize client performances with CQRS using Firestore & Firebase Cloud Functions

Separate concerns and optimize client performances with CQRS using Firestore & Firebase Cloud Functions

Optimize your mobile app's performances and run "big" and "complex" queries in NoSQL, using CQRS & Serverless! (in our case, Firestore & Firebase Cloud Functions)

Add an Apple App Site Association (AASA) to your Wix, Squarespace or whatever website, using Cloudflare Workers

Add an Apple App Site Association (AASA) to your Wix, Squarespace or whatever website, using Cloudflare Workers

Dynamize (aka variablize) your AWS deployment account using the Serverless framework

Dynamize (aka variablize) your AWS deployment account using the Serverless framework

Setup CORS in Serverless AWS

Setup CORS in Serverless AWS

Dynamize (aka "variabilize") your serverless resources' parameters with the Serverless Framework!

Dynamize (aka "variabilize") your serverless resources' parameters with the Serverless Framework!

Use Cognito Federated Identities to authorize API Gateway access... and test it without an SDK!

Use Cognito Federated Identities to authorize API Gateway access... and test it without an SDK!

Don't think twice: Caching AWS Lambda behind a custom domain with CloudFront

Don't think twice: Caching AWS Lambda behind a custom domain with CloudFront

Swift Programming

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

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.

Build OpenCV Contrib as a .xcframework, for iOS, on a M1

Build OpenCV Contrib as a .xcframework, for iOS, on a M1

Add a height-flexible placeholder to your UITextView

Add a height-flexible placeholder to your UITextView

Make your UIButtons come to life

Make your UIButtons come to life

Getting the last two values from an RxSwift Observable

Getting the last two values from an RxSwift Observable

Solve most of your Xcode problems through Cargo Cult

Solve most of your Xcode problems through Cargo Cult

Add a bottom divider to your SwiftUI view!

Add a bottom divider to your SwiftUI view!

Thoughts

Everybody's doing it (a Stable Diffusion test post)

Everybody's doing it (a Stable Diffusion test post)

A few years back, in February 2019, I, like quite a handful of people, heard for the first time of OpenAI's GPT-2. And while it sure was impressive, it only gave us a glimpse of what GPT-3 would be able to do a year later. Impressive wouldn't start to describe

We aren’t that remarkable

We aren’t that remarkable

Work is a market

Work is a market

It comes down to people buy-in

It comes down to people buy-in

Everything to be said has already been said…

Everything to be said has already been said…

The dog and the dragon

The dog and the dragon

On blanks and "hum"s…

On blanks and "hum"s…

User Interface

Add a height-flexible placeholder to your UITextView

Add a height-flexible placeholder to your UITextView

Once you have tasted SwiftUI, this kind of UIKit lacking makes you wish you could refactor a client's whole codebase at a snap from your fingers. At least the UI side of it. But, alas, there is no magic spell for that. Yet. What kind of lacking? UITextView doesn't have

Make your UIButtons come to life

Make your UIButtons come to life

Add a bottom divider to your SwiftUI view!

Add a bottom divider to your SwiftUI view!

Give your UIViews and UIButtons some rounded edges and a shadow!

Give your UIViews and UIButtons some rounded edges and a shadow!

Localize your push notifications in Node.js

Localize your push notifications in Node.js

Typescript

Prevent TypeORM from eating up all your memory

Complex-ish SQL queries in Typescript using TypeORM

Print class-validator validation errors in NestJS

Validate a nested array of objects GET query parameter using a DTO & class-validator in NestJS

How to retrieve a nested relationship using TypeORM

Testing

Using rewire with Jest in Typescript

macOS

From a base64 API Key to a json file, in bash, on macOS

Build OpenCV Contrib as a .xcframework, for iOS, on a M1

Failing to install Windows on your Mac, after Bootcamp let you down, part 1

How to export one of those pesky weird PDF forms as a regular PDF

Solve most of your Xcode problems through Cargo Cult

AWS

Everybody's doing it (a Stable Diffusion test post)

No space left on your Cloud9 environment? Here's how to solve that

Dynamize (aka variablize) your AWS deployment account using the Serverless framework

Setup CORS in Serverless AWS

Dynamize (aka "variabilize") your serverless resources' parameters with the Serverless Framework!

Firebase

Separate concerns and optimize client performances with CQRS using Firestore & Firebase Cloud Functions

Make your Firebase Storage files available on upload

Upload a remote file to Firebase Storage (in Node.js)

Cloudflare

Add an Apple App Site Association (AASA) to your Wix, Squarespace or whatever website, using Cloudflare Workers

Programming

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

From a base64 API Key to a json file, in bash, on macOS

Escape a newline in bash on macOS

Build OpenCV Contrib as a .xcframework, for iOS, on a M1

Add a height-flexible placeholder to your UITextView

Backend Development

Prevent TypeORM from eating up all your memory

Fixing the "this cannot include CR/LF" error when doing Basic auth in Ruby

Complex-ish SQL queries in Typescript using TypeORM

Print class-validator validation errors in NestJS

Validate a nested array of objects GET query parameter using a DTO & class-validator in NestJS