Kevin Johnson kevin49999
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| func levelSafe(ints: [Int]) -> Bool { | |
| let increasing: Bool | |
| let diff = ints[1] - ints[0] | |
| if diff > 0 && diff <= 3 { | |
| increasing = true | |
| } else if diff < 0 && diff >= -3 { | |
| increasing = false | |
| } else { | |
| return false | |
| } |
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| const functions = require('firebase-functions'); | |
| const admin = require('firebase-admin'); | |
| admin.initializeApp(functions.config().firebase); | |
| // Update thread after messages | |
| exports.updateThreadAfterMessage = functions.database.ref('/thread_messages/{threadId}/{messageId}') | |
| .onCreate((snapshot, context) => { | |
| const messageData = snapshot.val(); | |
| console.log('New message for thread:', context.params.threadId, 'Message:', messageData.text); |
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| extension Date { | |
| func midnight(calendar: Calendar = .autoupdatingCurrent) -> Date { | |
| let todayComponents = calendar.dateComponents( | |
| [.month, .day, .year], | |
| from: self | |
| ) | |
| var components = DateComponents() | |
| components.year = todayComponents.year | |
| components.month = todayComponents.month | |
| components.day = todayComponents.day |
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| import SwiftUI | |
| struct ContentView: View { | |
| @State var showImagePicker: Bool = false | |
| @State var image: Image? = nil | |
| var body: some View { | |
| ZStack { | |
| VStack { | |
| Button(action: { |
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| import UIKit | |
| extension UIImage { | |
| func resizedImage(for size: CGSize) -> UIImage? { | |
| let renderer = UIGraphicsImageRenderer(size: size) | |
| return renderer.image { (context) in | |
| self.draw(in: CGRect(origin: .zero, size: size)) | |
| } | |
| } | |
| } |
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| extension String { | |
| subscript(_ index: Int) -> Character { | |
| return self[String.Index(utf16Offset: index, in: self)] | |
| } | |
| } | |
| extension String { | |
| func sub(_ l: Int, _ r: Int) -> String { | |
| let leftIndex = String.Index(utf16Offset: l, in: self) | |
| let rightIndex = String.Index(utf16Offset: r, in: self) |
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| func isLeapYear(_ year: Int) -> Bool { | |
| assert(year >= 0) | |
| if year % 4 == 0 { | |
| return year % 100 != 0 || year % 400 == 0 | |
| } | |
| return false | |
| } | |
| func daysInYear(_ year: Int) -> Int { |
kevin49999
/ NotificationCenter+TypeSafe.swift
Created
June 11, 2018 19:58
Type Safe Notification Extension
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| import UIKit | |
| import PlaygroundSupport | |
| PlaygroundPage.current.needsIndefiniteExecution = true | |
| // Extension | |
| extension NotificationCenter { | |
| func post<T>(name: String, object: T, userInfo: [AnyHashable: Any]?) { | |
| post(name: NSNotification.Name(name), object: object, userInfo: userInfo) |
kevin49999
/ PerformantButton.swift
Last active
July 11, 2017 16:38
Fixes performance issues (ex: color blended layers) caused by setting layer.cornerRadius to achieve rounded corners
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| // Dictionary | |
| let nhlDict : [String : String] = [ | |
| "COL" : "Avalanche", | |
| "CHI" : "Blackhawks", | |
| "CBJ" : "Blue Jackets", | |
| "STL" : "Blues", | |
| "BOS" : "Bruins", | |
| "MTL" : "Canadiens", |
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