hackrio1

# A block is stored as a tuple of
# (parent_hash, transactions, hash_itself)

def get_parent_hash(block):
    return block[0]


def get_transactions(block):
    return block[1]

hackrio1

genesis_block[1] = "Y paid $100 to X"
genesis_block_hash = get_hash_itself(genesis_block)

print "genesis_block_hash:", genesis_block_hash
print "block1_parent_hash:", get_parent_hash(block1)

hackrio1

genesis_block_hash: 3495953456182427352
block1_hash: -554281952046316805
genesis_block_hash: 3220110016770526666
block1_parent_hash: 3495953456182427352

hackrio1

#include <stdio.h>

union PersonUnion {
  int height;
  double weight;
};

struct PersonStruct {
  int height;
  double weight;

hackrio1

Details of Union

Height of person1_union: 1700

Weight of person2_union: 74.230000

Size of person1_union object: 8

Size of person2_union object: 8

hackrio1

import { Component, OnInit } from '@angular/core';

@Component({
  selector: 'app-demo',
  templateUrl: './demo.component.html',
  styleUrls: './demo.component.scss'
})

export class DemoComponent implements OnInit {
  message: string,

hackrio1

<h1>{{ message }}</h1>
<form>
  <div>
    <label for="message">essage: </label>
    <input type="text" [(ngModel)]="message" name="message">
  </div>
</form>

hackrio1

<app-demo></app-demo>

hackrio1

import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { FormsModule } from '@angular/forms';
import { AppModule } from './app/component';
import { DemoComponent } from './components/demo/demo.component';

@NgModule({
  declarations: [
    AppComponent,
    DemoComponent

hackrio1

import React, { Component } from 'react';
import './App.css';
    
  class Hello extends Component {
    render() {
      return (
        <h3>Hello World!</h3>
      ); 
    } 
  }