GC 程式屋: 7月 2016

lesson 1,2

2016/7/14, 2016/7/15
(10hours)

Github : https://github.com/jicianho/XCode-Tutorial

//: Playground - noun: a place where people can play

import UIKit

var str = "Hello, playground"

var question:Int = 23 ; var q1:Int = 4

var emotion:String = " 😂"
//Edit -> emoji
var name:String = "James"
Int.max
print("people \(name) \(question) emotion is \(emotion) ")

if emotion.isEmpty{
print (" the string was emptied")
}else{
print (emotion+name)
}

//str can addtion by "+" or ".write"
name.write("ho")

// String of SWIFT is value type
var newStr:String = name
newStr.write("Hello")

if name.hasPrefix("Ja"){
print("yes")
}

// uppercased let String uppercase, is a new memory space(orginal string still here)
name.uppercased()

name.characters.count

//Constant, Tuple, Optional
//常數多樣數可能沒有數

//"let" will let var be constant
let month = 12

var number = 1
let fab = number*2

var strQuestion = "23"
//Int? is mean maybe Int, so it's type Int?, not Int ,if "strQuestion" isn't int, pulse nil
var intques:Int? = Int(strQuestion)
// after Int? , should use "!", ! is warpped

if intques != nil{
var ques:Int = intques!
}
// as same as
if let value = intques{
var ques = value
}

// ? is convert, ! is convert "by force"
var name2:String? = " Bucky "
name2?.write("roberts")

var name3:String? = " Bucky "
name3!.write("roberts")

// all name4 is name4!
var name4:String! = " Bucky "
name4.write("roberts")

//-- Tuple --

var person:(String, Int) = ("Jane", 23)
person.0
person.1

var car:(vendor:String, year:Int) = ("Honda",1999)
car.vendor
car.year

var (x,y):(Int, Int) = (100,20)
x
y

var numa4r:Int? = Int(arc4random_uniform(33445555))

var intNuma4r:Int = numa4r!

if (intNuma4r % 11 == 0) && (intNuma4r % 13 == 0) {
print("Find it!")
}

//-- function --

func abGame(fguess:Int ) -> (fa:Int,fb:Int) {
let fquestion:Int = 23
let fq1:Int = fquestion / 10 ; let fq2:Int = fquestion % 10
let fg1:Int = fguess / 10
let fg2:Int = fguess % 10
var fa:Int = 0 ; if fq1 == fg1 {
fa=fa+1
}
if fq2 == fg2 {
fa=fa+1 }
var fb:Int = 0

if fq1 == fg2 {
fb+=1 }

if fq2 == fg1 {
fb+=1
}
print("\(fa) A \(fb) B")
return (fa,fb)
}

var r = abGame(fguess:23)
abGame(fguess:02)
r.0
r.1

func sum(x1:Int, x2:Int) -> Int{
return x1+x2
}

var sum_num = sum(x1:10,x2:20)

func test(arg:Int){
"Test Int"
}
func test(arg:Float){
"Test Float 123"
}
func test(arg:Double){
"Test Double 123"
}

//test(6.0) // which function is called

var count = 6
while count > 0{
print("**")
count -= 1
}

//"for-in" new write method
for index in 1..<6 {
print("*\(index)*")
}

//same as "do-while"
repeat {
print("*****")
count = count - 1
} while count>0

var input: String = "4321"
for char:Character in input.characters {
var str = "\(char)"
var num = Int(str)!
print("\(num*2)")
}

func password_check(pasw:String){
var num_exist:Bool = false
var upcase_exist:Bool = false
var lowcase_exist:Bool = false
var over_count:Int = 0

for char:Character in pasw.characters {
let str = "\(char)"
let num:Int? = Int(str)

if num != nil {
num_exist = true
}

if str.uppercased() == str {
upcase_exist = true
}

if str.lowercased() == str {
lowcase_exist = true
}

over_count += 1
}
if !num_exist || !upcase_exist || !lowcase_exist || over_count >= 8 {
print("failure")
}else{
print("OK!")
}
}

password_check(pasw: "s")

//-- collecttion --
// is value type

var names_1:[String] = ["Michael", "James", "Robert"]
var names_2:Array<String> = ["Michael", "James", "Robert"]

names_1.count
if names_1.isEmpty {
"Empty"
}else {
"Not empty"
}

names_1[1] = "Allen"
names_1

names_2[0..<2] = ["Scent","Scent"]
names_2

names_2 += ["Bucky"]

names_2.insert("Tom", at: 1)
names_2.remove(at: 2)

var cars:[String] = ["Toyota","BMW"]

cars[1] = "Mercedes"

var vars2 = cars

for (index, object) in cars.enumerated() {
print("index \(index) is \(object)")
}

var ages = Array<Double>(repeating:2.0, count:3)

var name2_sum = 0
for (index, object) in names_2.enumerated() {
name2_sum += object.characters.count
print("\(name2_sum)")
}
print("\(name2_sum)")

var addressBook:Dictionary<String, String> = ["Michael":"0912345678","James":"0988776655", "Robert":"0922334455" ]

//var addressBook:[String:String] = ["Michael":"0912345678","James":"0988776655", "Robert":"0922334455" ]

addressBook.count

addressBook.updateValue("0912345678", forKey: "Michael")
addressBook
addressBook.updateValue("0912345678", forKey: "Bucky")
addressBook.keys
addressBook.values

var dict:[String:Int] = ["Michael": Int(arc4random_uniform(30)),
"James":Int(arc4random_uniform(30)),
"Bucky":Int(arc4random_uniform(30)),
"Jeanifer":Int(arc4random_uniform(30)),
"Yuma":Int(arc4random_uniform(30))]

//array has many dictionry
//watch out type define of array1 and array2
var newArray:[[String:Int]] = []
var newArray2:[(String,Int)] = []

for (name,age) in dict {
if age < 18 {
newArray2.append((name,age))
newArray.append([name:age])
print("\(name),\(age)")
}
}

print("\(newArray)")
print("\(newArray2)")

//--- nsarray ----
var address:[String] = ["1","2"]
//NSMutableArray is immutable array
var nsaddress:NSMutableArray = NSMutableArray()
nsaddress.add("Michael")
print("\(nsaddress)")

var nsAddress2 = nsaddress

nsAddress2.add("James")

print("\(address)")
print("\(nsAddress2)")

//--- struct ---
struct PlayGround {
var question = 23
func randomQuestion(){
}
func abGame(guess:Int) -> (a:Int, b:Int) {
return (0,0)
}
}

var play:PlayGround = PlayGround()
// if var question is has not inital, must give it
//var play:PlayGround = PlayGround(question:9)
//or play.question = 45

//let play2:PlayGround = PlayGround()
//play2.question = 33

// --- lottery picking balls ---
//mutating <--> self (like "this")
struct PlayGround_mutating {
var question:Int
//init is SWIFT's Constructor, like func but without word "func"
init(){
question = 23
randomQuestion()
}
mutating func randomQuestion(){

let num = 2
var balls:[Int] = [Int](repeating: 9, count: 10 )
for index in 0..<balls.count {
balls[index] = index
}

var questions = [Int](repeating: 10, count: num )
for count:Int in 0..<num {
let uValue = UInt32(count)
//every times sub one ball
let selectedIndex:UInt32 = arc4random_uniform(10 - uValue)
let intIndex:Int = Int(selectedIndex)
questions[count] = balls[intIndex]
balls.remove(at:intIndex)
print(questions)
}
self.question = questions[0] * 10 + questions[1]
}
}

//Three define method of array
//var names:[String] = Array<String> or () or [String]

var playg:PlayGround_mutating = PlayGround_mutating()
playg.randomQuestion()

//Struct is value type
//all value will be copied when assignment
var play1:PlayGround = PlayGround()
play1.question = 67
var play2:PlayGround = play1
play2.question = 23

play1.question
play2.question

//--- Object ---
var components:NSURLComponents? = NSURLComponents(string:"https:www.google.com.tw")

components?.scheme = "http"
components?.scheme
//instance is means it's have memory spaces

var newURL = NSURL(string: "http://www.apple.com")
newURL!

var formatter:DateFormatter = DateFormatter()
var date = NSDate()
formatter.dateFormat = "YYYY-MMM-dd GGG hh:mm:ss"
formatter.string(from:date as Date)

//--- Custom Class ---
//(use class complier)

//--- Inheritance ---
//(use class complier)

JavaScript 理解

JavaScript 一種可以崁入在HTML的語言

和PHP不同的是JavaScript 是明碼

2016/7/11使用方法幾乎完全等於JAVAif-esle, switch, for等等都相同
- 參數設定 var xxx = "abc" or 123;
- 輸出部分變成 document.write , 記得使用""來做網頁字串輸出

學習網址
https://www.youtube.com/playlist?list=PL46F0A159EC02DF82

影片數量 : 40部

預計學習時間 : 10小時

開始時間 : 2016/7/6
結束時間 : 2016/7/18

Github : https://github.com/jicianho/JavaScript-Tutorial-

1 - Introduction to JavaScript
2 - Comments and Statements

3 - Variables

4 - Different Types of Variables

5 - Using Variables with Strings

6 - Functions

7 - Using Parameters with Functions

8 - Functions with Multiple Parameters

9 - The return Statement

10 - Calling a Function From Another Function

11 - Global & Local Variables
12 - Math Operators
13 - Assignment Operators
14 - if Statement
15 - if/else Statement
16 - Nesting and Fridays!
17 - Complex Conditions
18 - switch
19 - for Loop
20 - while Loop
21 - do while
22 - Event Handlers
23 - onMouseOver & onLoad
24 - Objects
25 - Creating Our Own Objects
26 - Object Initializers
27 - Adding Methods to Our Objects
28 - Arrays

29 - Other Ways to Create Arrays
30 - Array Properties and Methods
31 - join and pop
32 - reverse, push, sort
33 - Add Array Elements Using a Loop
34 - Cool Technique to Print Array
35 - Associative Arrays
36 - Math Objects
37 - Date Objects
38 - Accessing Forms
39 - Accessing Form Elements
40 - Simple Form Validation

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