Tutorial by Examples: sim

$a = 5; $b = 10; $a <=> $a; // 0, because $a == $a $a <=> $b; // -1, because $a < $b $b <=> $a; // 1, because $b > $a

class InitialsImageFactory: NSObject { class func imageWith(name: String?) -> UIImage? { let frame = CGRect(x: 0, y: 0, width: 50, height: 50) let nameLabel = UILabel(frame: frame) nameLabel.textAlignment = .center nameLabel.backgroundColor = .lightGray nameLabel.textColor = .white nam...

import { Injectable } from '@angular/core'; import { HttpEvent, HttpHandler, HttpInterceptor, HttpRequest } from '@angular/common/http'; import { UserService } from '../services/user.service'; import { Observable } from 'rxjs/Observable'; @Injectable() export class AuthHeaderInterceptor imple...

simple.action.ts import { Action } from '@ngrx/store'; export enum simpleActionTpye { add = "simpleAction_Add", add_Success = "simpleAction_Add_Success" } export class simpleAction { type: simpleActionTpye constructor(public payload: number) { } } ...

In the example below, the calculateShippingPrice method calculates shipping cost, which takes some processing time. In a real world example, this would e.g. be contacting another server which returns the price based on the weight of the product and the shipping method. By modeling this in an async ...

mView.afterMeasured { // inside this block the view is completely drawn // you can get view's height/width, it.height / it.width } Under the hood inline fun View.afterMeasured(crossinline f: View.() -> Unit) { viewTreeObserver.addOnGlobalLayoutListener(object : ViewTreeObserver.OnGlob...

(from official doc) fun main(args: Array<String>) { launch(CommonPool) { // create new coroutine in common thread pool delay(1000L) // non-blocking delay for 1 second (default time unit is ms) println("World!") // print after delay } println("He...

Automatic routing for the DRF, can be achieved for the ViewSet classes. Assume that the ViewSet class goes by the name of MyViewSet for this example. To generate the routing of MyViewSet, the SimpleRouter will be utilized. On myapp/urls.py: from rest_framework import routers router = ...

First, Lets create a dummy dataframe We assume that a customer can have n orders, an order can have m items, and items can be ordered more multiple times orders_df = pd.DataFrame() orders_df['customer_id'] = [1,1,1,1,1,2,2,3,3,3,3,3] orders_df['order_id'] = [1,1,1,2,2,3,3,4,5,6,6,6] orders_df['...

#include "cuda_runtime.h" #include "device_launch_parameters.h" #include "cuda.h" #include <device_functions.h> #include <cuda_runtime_api.h> #include<stdio.h> #include <cmath> #include<stdlib.h> #include<iostream> #include...