simrandotdev

func boundsAndCenter() {
        // Do any additional setup after loading the view.
        let v1 = UIView(frame: CGRect(x: 110, y: 110, width: 130, height: 200))
        v1.backgroundColor = .green
        
        let v2 = UIView(frame: v1.bounds.insetBy(dx: 10, dy: 10))
        v2.backgroundColor = .red
        
        view.addSubview(v1)
        v1.addSubview(v2)

simrandotdev

func boundsAndCenter() {
        // Do any additional setup after loading the view.
        let v1 = UIView(frame: CGRect(x: 110, y: 110, width: 130, height: 200))
        v1.backgroundColor = .green
        
        let v2 = UIView(frame: v1.bounds.insetBy(dx: 10, dy: 10))
        v2.backgroundColor = .red
        
        view.addSubview(v1)
        v1.addSubview(v2)

simrandotdev

func settingViewsFrames() {
        let v1 = UIView(frame: CGRect(x: 113, y: 111, width: 132, height: 194))
        v1.backgroundColor = UIColor(red: 1, green: 0.4, blue: 1, alpha: 1)
        v1.clipsToBounds = true
        
        let v2 = UIView(frame: CGRect(x: 10, y: 10, width: 112, height: 174))
        v2.backgroundColor = UIColor(red: 0.5, green: 1, blue: 0, alpha: 1)
        
        let v3 = UIView(frame: CGRect(x: 43, y: 197, width: 160, height: 230))
        v3.backgroundColor = UIColor(red: 1, green: 0, blue: 0, alpha: 1)

simrandotdev

func basicsOfViews() {
        let v = UIView(frame: CGRect(x: 100, y: 100, width: 150, height: 150))
        v.backgroundColor = .red
        self.view.addSubview(v)
        v.layer.masksToBounds = true
        
        let v2 = UIView(frame: CGRect(x: 130, y: 140, width: 150, height: 150))
        v2.backgroundColor = .yellow
        self.view.addSubview(v2)
        

simrandotdev

Android Manifest

android:screenOrientation="portrait"

This property is used in AndroidManifest file inside the activity tag to fix the orientation of the activity at all times.

android:theme="@style/AppTheme.NoActionBar"

This property will set a custom theme to the app or the Activity it is applied to.

android:windowSoftInputMode="adjustResize"

This will adjust the window size when the keyboard appears.

simrandotdev

if let fileURL = Bundle.main.url(forResource: "filename", withExtension: "txt") { 
  if let fileContents = try? String(contentsOf: fileURL) { 
    // we loaded the file into a string! 
  } 
}

simrandotdev

function Shape(){

    let shape = [];
    //shape.totalVolume = totalVolume;
  
    /* Added the function add the shape in the 'shape' array. */
    shape.addShape = function (newShape) {
        shape.push(newShape);
    }

simrandotdev

Django Deployment to Ubuntu 18.04

In this guide I will go through all the steps to create a VPS, secure it and deploy a Django application. This is a summarized document from this digital ocean doc

Any commands with "$" at the beginning run on your local machine and any "#" run when logged into the server

Create A Digital Ocean Droplet

Use this link and get $10 free. Just select the $5 plan unless this a production app.

simrandotdev

void main() {
	final square = Square(side: 10.0);
  print(square.area());
}

abstract class Shape {
  double area();
}

class Square implements Shape {

simrandotdev

void main() {
  String name = 'Simran';
  int age = 28;
  final double height = 1.84; // You cannot change this variable as it is declared final
  var occupation = "Mobile App Developer";
  dynamic weight = 90;
  
  describe(name, age, height, occupation, weight);
  describe("Jassi", 29, 1.9, "Software Engineer");