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@funmia
funmia / ios-interview-resources.md
Last active September 2, 2023 07:29
General iOS, CS questions and interview prep resources.
import Foundation
public protocol ValueTransforming: NSSecureCoding {
static var valueTransformerName: NSValueTransformerName { get }
}
public class NSSecureCodingValueTransformer<T: NSObject & ValueTransforming>: ValueTransformer {
public override class func transformedValueClass() -> AnyClass { T.self }
public override class func allowsReverseTransformation() -> Bool { true }
@atomicbird
atomicbird / logMilestone.swift
Last active August 22, 2023 03:41
Sometimes you just want to print a message that tells you a line of code was executed. Inspired by a tweet from Paige Sun: https://twitter.com/_PaigeSun/status/1161132108875796480
/// Log the current filename and function, with an optional extra message. Call this with no arguments to simply print the current file and function. Log messages will include an Emoji selected from a list in the function, based on the hash of the filename, to make it easier to see which file a message comes from.
/// - Parameter message: Optional message to include
/// - file: Don't use; Swift will fill in the file name
/// - function: Don't use, Swift will fill in the function name
/// - line: Don't use, Swift will fill in the line number
func logMilestone(_ message: String? = nil, file: String = #file, function: String = #function, line: Int = #line) -> Void {
#if DEBUG
// Feel free to change the list of Emojis, but don't make it shorter, because a longer list is better.
let logEmojis = ["😀","😎","😱","😈","👺","👽","👾","🤖","🎃","👍","👁","🧠","🎒","🧤","🐶","🐱","🐭","🐹","🦊","🐻","🐨","🐵","🦄","🦋","🌈","🔥","💥","⭐️","🍉","🥝","🌽","🍔","🍿","🎹","🎁","❤️","🧡","💛","💚","💙","💜","🔔"]
let logEmoji = logEmojis[abs(