zhihuitang

Sometimes we need to open Setting's Preferences not of our app, but of the iPhone itself. What should we do to acomplish this?

[UPDATE: Added Wallet And Apple Pay below]

[UPDATE: Changed prefs for Bluetooth]

zhihuitang

exec > /tmp/${PROJECT_NAME}_archive.log 2>&1

UNIVERSAL_OUTPUTFOLDER=${BUILD_DIR}/${CONFIGURATION}-universal

if [ "true" == ${ALREADYINVOKED:-false} ]
then
echo "RECURSION: Detected, stopping"
else
export ALREADYINVOKED="true"

zhihuitang

// To check if a number is between a range, don't do
if number >=0 && number <= 100 {

}
// Use range and news operators instead :
if 0...100 ~= number {

}

zhihuitang

import Foundation

/// An abstract class that makes building simple asynchronous operations easy.
/// Subclasses must implement `execute()` to perform any work and call
/// `finish()` when they are done. All `NSOperation` work will be handled
/// automatically.
open class AsynchronousOperation: Operation {

    // MARK: - Properties

zhihuitang

extension Optional where Wrapped: Collection {
    var isNilOrEmpty: Bool {
        return self?.isEmpty ?? true
    }
}

zhihuitang

/// Copyright (c) 2019 Razeware LLC
///
/// Permission is hereby granted, free of charge, to any person obtaining a copy
/// of this software and associated documentation files (the "Software"), to deal
/// in the Software without restriction, including without limitation the rights
/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
/// copies of the Software, and to permit persons to whom the Software is
/// furnished to do so, subject to the following conditions:
///
/// The above copyright notice and this permission notice shall be included in

zhihuitang

import UIKit
import CoreGraphics

extension UIView {
  func createRoundedRectPath(for rect: CGRect, radius: CGFloat) -> CGMutablePath {
    let path = CGMutablePath()
    
    let midTopPoint = CGPoint(x: rect.midX, y: rect.minY)
    path.move(to: midTopPoint)
    

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class Observable<Value> {
    private var value: Value
    private var observations = [UUID : (Value) -> Void]()

    init(value: Value) {
        self.value = value
    }

    func update(with value: Value) {
        self.value = value

zhihuitang

struct Identifier: Hashable {
    let string: String
}

extension Identifier: ExpressibleByStringLiteral {
    init(stringLiteral value: String) {
        string = value
    }
}

zhihuitang

Python3 Virtualenv Setup

Requirements

• Python 3
• Pip 3

$ brew install python3