rafaelcrz

Múltiplas chaves SSH para GitHub e GitLab

1. Gerar Chaves SSH

ssh-keygen -t rsa -C "user@email.com" -b 4096 -f ~/.ssh/id_rsa_github
ssh-keygen -t rsa -C "user@email.com" -b 4096 -f ~/.ssh/id_rsa_gitlab

2. Copiar chaves para GitHub e GitLab

rafaelcrz

extension Font {
    static func rounded(_ style: Font.TextStyle = .body, weight: Font.Weight = .semibold) -> Font {
        return .system(size: style.size, weight: weight, design: .rounded)
    }
}

extension Font.TextStyle {
    var size: CGFloat {
        switch self {
        case .largeTitle: return 60

rafaelcrz

CKContainer.default().requestApplicationPermission(.userDiscoverability) { status, error in
    guard status == .granted, error == nil else {
        // error handling voodoo
        return
    }

    CKContainer.default().discoverUserIdentity(withUserRecordID: recordID) { identity, error in
        guard let components = identity?.nameComponents, error == nil else {
            // more error handling magic
            return

rafaelcrz

/*
  Joseph Weizenbaum's classic ELIZA chat bot in Swift.

  Based on the IBM PC BASIC program from CREATIVE COMPUTING by Patricia
  Danielson and Paul Hashfield, and the Java adaptation by Jesper Juul.
  
  Run this script from Terminal:
  $ swift eliza.swift
  
  Press Ctrl-C or Ctrl-D to quit. (Or type "shut up".)

rafaelcrz

Para um serviço que precisa ser executado em um intervalo de tempo
Timer.scheduledTimer

rafaelcrz

extension UITextField {
    func addDoneButtonOnKeyboard(actionBefore: Selector, actionNext: Selector, actionDone: Selector) {
        guard let windowFrame = UIApplication.shared.keyWindow?.frame else {
            return
        }
        let keyToolbar = UIToolbar(frame: CGRect(origin: .zero, size: CGSize(width: windowFrame.width, height: 45)))
        keyToolbar.barStyle = .default
        let flexSpace = UIBarButtonItem(barButtonSystemItem: .flexibleSpace, target: nil, action: nil)
        let next = UIBarButtonItem(title: "próximo", style: .plain, target: nil, action: actionNext)
        let before = UIBarButtonItem(title: "anterior", style: .plain, target: nil, action: actionBefore)