Update dictionary Array

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@IBAction func doSomething()
@IBAction func doSomething(sender: UIButton)
@IBAction func doSomething(sender: UIButton, forEvent event: UIEvent)

[[NSProcessInfo processInfo] operatingSystemVersion]

import 'package:flutter/material.dart';

void main() {
  runApp(
    new MaterialApp(
      title: 'Hello World App',
      home: new myApp(),
    )
  );
}

class myApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      appBar: new AppBar(
        title: new Text('Hello World App'),
      ),
      body: new Center(
        child: new Text(
          'Hello, world!'
        ),
      ),
    );
  }
}

keys, values)) # {'a': 2, 'c': 4, 'b': 3}
 
 
#make a function: def is the keyword for the function:
def to_dictionary(keys, values):
 
 
#return is the keyword that tells program that function has to return value   
return dict(zip(keys, values))
 
  
 
# keys and values are the lists:
 
keys = ["a", "b", "c"]   
 
values = [2, 3, 4]
                                
                                

 
def merge_two_dicts(a, b):
 
 
   c = a.copy()   # make a copy of a
 
   c.update(b)    # modify keys and values of a with the ones from b
 
   return c
 
 
 
 
 
a = { 'x': 1, 'y': 2}
 
b = { 'y': 3, 'z': 4}
 
 
print(merge_two_dicts(a, b)) # {'y': 3, 'x': 1, 'z': 4}
 
 

override func viewDidLoad() {
    super.viewDidLoad()
    // Swift block syntax (iOS 10+)
    let timer = Timer(timeInterval: 0.4, repeats: true) { _ in print("Done!") }
    // Swift >=3 selector syntax
    let timer = Timer.scheduledTimer(timeInterval: 0.4, target: self, selector: #selector(self.update), userInfo: nil, repeats: true)
    // Swift 2.2 selector syntax
    let timer = NSTimer.scheduledTimerWithTimeInterval(0.4, target: self, selector: #selector(MyClass.update), userInfo: nil, repeats: true)
    // Swift <2.2 selector syntax
    let timer = NSTimer.scheduledTimerWithTimeInterval(0.4, target: self, selector: "update", userInfo: nil, repeats: true)
}

// must be internal or public. 
@objc func update() {
    // Something cool
}

itemList.stream()
          .filter(item -> item.getPropertyList()
                         .stream().anyMatch(property -> property.getKey().equals("Test")))
           .collect(Collectors.toList());

for (int i = 0; i < n; i++)
{
    if (valCount.ContainsKey(x))
        valCount[x]++;
    else
        valCount[x] = 1;
}

 const arr = ["This", "Little", "Piggy"];
const first = arr.slice(0, 1);
const the_rest = arr.slice(1);console.log(first); // ["This"]
console.log(the_rest); // ["Little", "Piggy"]                               
                                

$oneDimensionalArray = array_map('current', $twoDimensionalArray);

/*
current() function returns the value of the current element in an array. for ex : $fruits = array("banana", "apple", "orange"); echo current($fruits) //will return "banana" since current pointer is on index 0 which is banana
*/

function isEqual(arr1,arr2){
  let x = arr1.length;
  let y = arr2.lenght;
  
  //if lenght of array are not equal means array are not equal 
  if(x !=  y) return false;
  
  //sorting both array
  x.sort();
  y.sort();
  
  // Linearly compare elements
  for(let i=0;i<x;i++){
    if(x[i] != y[i]) return false
  }
  // If all elements were same.
    return true
}

let arrayOne = [3, 5, 2, 5, 2]
let arrayTwo = [2, 3, 5, 5, 2]

isEqual(arrayOne,arrayTwo) ? console.log("Matched") : console.log("Not Match")

const arr = ["Apple",45,"","google",null],,,,"facebook","",69]

const removeEle = arr.filter((el)=> return el !=null && el != "")

const arr = [333,1,2,11,22,3,4]
console.log(arr.sort())

arr.sort((a,b)=>a-b)

console.log(arr)

let items = [1,25,"JavaScript",69,"css","34","keep coding","html"];
console.log(items)

//shuffle array
function shuffle(arr){
  for(let i =arr.length-1;i>0;i--){
    const j = Math.floor(Math.random() * (i+1));
    [arr[i],arr[j]] = [arr[j],arr[i]];
  }
  return arr
}
console.log(shuffle(items))

//shuffle selected index 
const  itemToShuffle = items.slice(3,7);
console.log(shuffle(itemToShuffle))

//items after shuffling item from index 3 to 7
items = [items[0],items[1],items[2],...itemToShuffle,items[7]]
console.log(items)