romyilano

// nice quick and dirty webserver 

const http = require('http')
const port = process.env.PORT || 3000

const server = http.createServer((req, res) => {
  res.writeHead(200, { 'Content-Type': 'text/plain '})
  res.end('Hello world! this is a noob server')
})

romyilano

swift

cielavenir

let inputInt = Int(readline()!)!

let arrayInt = readlin()!.characters.split { $0== " " }.map { Int(String($0))! }

romyilano

import Foundation
// async swift playground
import PlaygroundSupport

// https://min-api.cryptocompare.com/data/all/coinlist


let allCoinsPath = "/data/all/coinlist"

class CryptoApi {

romyilano

// brushing up on url components
// 

class CryptoApi {
    static let host = "min-api.cryptocompare.com"
    static let allCoinsPath = "/data/all/coinlist"
    var allCoinsUrl: URL? = {
        var urlComponents = URLComponents()
        urlComponents.scheme = "https"
        urlComponents.host = CryptoApi.host

romyilano

// brushing up on url components
// 

class CryptoApi {
    static let host = "min-api.cryptocompare.com"
    static let allCoinsPath = "/data/all/coinlist"
    var allCoinsUrl: URL? = {
        var urlComponents = URLComponents()
        urlComponents.scheme = "https"
        urlComponents.host = CryptoApi.host

romyilano

// https://stackoverflow.com/questions/23806751/strong-reference-to-a-weak-references-inside-blocks
__weak typeof(self) weakSelf = self;
void (^someBlock)(id) = ^(id data){
    if (weakSelf != nil) {
       // last remaining strong reference released by another thread. 
       // weakSelf is now set to nil.
       [myArray addObject:weakSelf];
    }
});

romyilano

// https://developer.apple.com/library/archive/documentation/Cocoa/Conceptual/ProgrammingWithObjectiveC/WorkingwithBlocks/WorkingwithBlocks.html#//apple_ref/doc/uid/TP40011210-CH8-SW16

@interface XYZBlockKeeper : NSObject
@property (copy) void (^block)(void);
@end

@implementation XYZBlockKeeper
- (void)configureBlock {
    self.block = ^{
        [self doSomething];    // capturing a strong reference to self

romyilano

protocol RowPresentable {
    var string: String { get }
    // it conforms to both protocol + class
    var rowVC: UIViewController & PanModalPresentable { get }
}

romyilano

// thanks dude
// https://medium.com/@dushyant_db/setting-up-a-container-view-using-interface-builder-and-via-code-7ac1a7f0a0d6 

override func viewDidLoad() {
    super.viewDidLoad()
    
    guard let childVC = self.storyboard?.instantiateViewController(withIdentifier: "ChildViewController") as? ChildViewController else {
      return
    }
addChildViewController(childVC)

romyilano

// thanks dude
// https://medium.com/@dushyant_db/setting-up-a-container-view-using-interface-builder-and-via-code-7ac1a7f0a0d6 

override func viewDidLoad() {
    super.viewDidLoad()
    
    guard let childVC = self.storyboard?.instantiateViewController(withIdentifier: "ChildViewController") as? ChildViewController else {
      return
    }
addChildViewController(childVC)