bleeckerj

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bleeckerj

//
//  NSData.swift
//  Pods
//
//  Created by Tanner Nelson on 9/15/15.
//
//

import Foundation

bleeckerj

do {
    let count = 1 // number of UInt32s
    let stride = MemoryLayout<UInt32>.stride
    let alignment = MemoryLayout<UInt32>.alignment
    let byteCount = count * stride
    
    var bytes : [UInt8] = [0x0D, 0x0C, 0x0B, 0x0A] // little-endian LSB -> MSB
    var data : Data = Data.init(bytes: bytes)
    
    print("---------------- 1 ------------------")

bleeckerj

        let bytes : [UInt8] = [0xF1, 0xE1, 0xD1, 0xC1, 0xB1, 0xA1, 0x91] // little-endian LSB -> MSB
        let data : Data = Data.init(bytes: bytes)
        
        let result = convert(from: data, to:UInt32.self, at:3)
        print("\(String(format: "0x%8X",result!))")
        print(result!)

    
    
       func convert<T>(from data: Data, to: T.Type, at offset:Int) -> T? {

bleeckerj

//
//  NSData+Convert.swift
//  rxbt-test
//
//  Created by Julian Bleecker on 2/6/17.
//  Copyright © 2017 OMATA. All rights reserved.
//

import Foundation

bleeckerj

       @IBOutlet weak var usernameOutlet: UITextField!
       @IBOutlet weak var switchOutlet: UISwitch!

       let t = Observable<Int>.interval(1, scheduler: MainScheduler.instance).take(4)
        let trueOrFalse = t.mapWithIndex{ $0 }.map{ $1 % 2 == 0 }
        _ = trueOrFalse.bindTo(switchOutlet.rx.isOn)
        _ = trueOrFalse.bindTo(usernameOutlet.rx.isEnabled)
        
        
        _ = trueOrFalse.subscribe(onNext: {

bleeckerj

        let a : [Int] = [1,2,3,4]
        let n = Observable<Int>.from(a).mapWithIndex{ $0 }
            .filter {$1 % n == 0 }
            .map{ $0.0 }
        
        _ = n.subscribe(onNext: {
            print("every nth \($0)")
        })

bleeckerj

        let a : [Int] = [1,2,3,4,5,6,7,8,9,10]
        
        Observable<Int>.interval(1, scheduler: MainScheduler.instance)
        
        
        Observable<Int>.interval(2, scheduler: MainScheduler.instance).mapWithIndex{ $0 }.filter { ($1 % 2 == 0 && $1 < a.endIndex)}.map{ a[$0.0]}.subscribe(onNext: {
            print("every 2nd \($0)")
        })

bleeckerj

Creating a Happy Git Environment on OS X

Step 1: Install Git

brew install git bash-completion

Configure things:

git config --global user.name "Your Name"

git config --global user.email "you@example.com"

bleeckerj

import PlaygroundSupport
PlaygroundPage.current.needsIndefiniteExecution = true
import UIKit
import RxSwift
import RxCocoa
import RxOptional
import Foundation

let letters = ["A","B","C","D","E","F"]