postgres-Docker Hub The following command allows you to set up postgres11 on the local 5432 port and log in as a user named kabigon. (password Read more

Here's a sample of how to switch screens using TabView. It's pretty easy to write about, isn't it? TabView - SwiftUI | Apple Developer Documentation Read more

It was a bit of a hassle to transition from one ListView to another like the configuration screen. I feel like there's a better way to do it. Read more

This is a way of tapping お天気Webサービス（Livedoor Read more

This was avoided by regenerating the id with onDisappear. If there is no change in @State, does that mean that you use the cache? I'm going to learn more about it! Read more

Here's how to display a list in SwiftUI. Since this is the screen after the screen transition, there is a NavigationBar.

I put together a list of words I looked up when I started studying infrastructure and didn't understand them. Consolidated Billing A bulk billing feature, Read more

I needed a local mock server, so I made a simple one in PHP. Register a user at signup.php, show a list of users at list. Read more

How to send push notifications to iOS devices with the curl command. Create a PEM file that includes both the certificate and the private key. Read more

How to retrieve a certificate and private key from a .p12 file. I needed it when I was writing AWS SNS with Terraform. $ openssl Read more