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Toolbar

NSToolbar (Mac API) UIWindowScene.titlebar.toolbar — access

func scene(_ scene: UIScene,
			willConnectTo session: UISceneSession,
			options connectionOptions: 				UIScene.ConnectionOptions) {
		// setup the window

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Print global NSUserDefaults:

defaults read -g

Write a date via Terminal:

defaults write [com.myapp] [theKey] -date [2019-07-08T17:08:48Z] Writes 8th of July, 2019, 17:08:48 for theKey for domain com.myapp

Nil & NSUserDefaults

Not friends. Even with NSNull. To remove a key-value pair, call removeObject:forKey:

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List of paths, protected by Full Disk Access, on 10.14.5 (Mojave):

/.Spotlight-V100
/Library/Application Support/com.apple.TCC
~/Library/Application Support/MobileSync
~Library/Application Support/CallHistoryTransactions
~Library/Application Support/com.apple.TCC
~Library/Application Support/AddressBook
~Library/Application Support/CallHistoryDB

aronskaya

Personal Development Plan

Duration: 3 months

Long-term Professional Goal

Anticipate upcoming iOS and macOS platforms converging.

Short-term Professional Goal

Master development for a new platform: macOS.

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namespace Constants
{

    // actual global variables

    extern const double pi(3.14159);

    extern const double avogadro(6.0221413e23);

    extern const double my_gravity(9.2); // m/s^2 -- gravity is light on this planet

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#include <cmath>
// return true if the difference between a and b is less than absEpsilon (a very small number, e.g. 1e-12), or within relEpsilon percent of the larger of a and b
bool approximatelyEqualAbsRel(double a, double b, double absEpsilon, double relEpsilon)
{
    // Check if the numbers are really close -- needed when comparing numbers near zero.
    double diff = fabs(a - b);
    if (diff <= absEpsilon)
        return true;
 
    // Otherwise fall back to Knuth's algorithm

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extension TISInputSource {

    var id: String {
		let unsafeID = TISGetInputSourceProperty(self, kTISPropertyInputSourceID).assumingMemoryBound(to: CFString.self)
		let name = Unmanaged<CFString>.fromOpaque(unsafeID).takeUnretainedValue()

		return name as String
	}
    
    var type: String {

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extension String {
/// Remove all whitespaces from the string
	mutating func withoutWhitespaces() {
		let array = components(separatedBy: .whitespaces)
		self = array.joined()
	}

/// Check if a string consists only of characters from a specified ChatacterSet
	func hasOnly(charsFrom charSet: CharacterSet) -> Bool {
		for char in unicodeScalars {