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Working in JAVA JAKARTA

Cristian Buitrago Elshaman

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Working in JAVA JAKARTA
  • SENA(Servicio Nacional de Aprendizaje), Colombia
  • Bogotá, D.C
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@Elshaman
Elshaman / index.js
Created June 19, 2023 00:44
Ejemplo Rxjs con teclas
import { fromEvent } from "rxjs";
const onKeyDown$ = fromEvent(document , "keydown")
const observadorMouse = {
next: (event) =>{
console.log(event.key)
}
}
@Elshaman
Elshaman / index.js
Created June 19, 2023 00:31
RxJS Primer Ejemplo
import { Observable } from 'rxjs'
//desclaracion del observable
//parametro: un suscriptor
const observableAlfa$ = new Observable(subscriber => {
//el observable emite una información al suscriptor
subscriber.next(1)
subscriber.next(2)
// con complete, se da por completado el flujo de informacion y a partir de aqui no se emite mas
@Elshaman
Elshaman / Array.ts
Created April 8, 2023 19:59
Array of objects in typescript
let myArray: Array<Post> = [{
id: 1,
text: "Carlos"
},
{
id: 2,
text: "Zarta"
}
];
@Elshaman
Elshaman / first_version.js
Created April 8, 2023 19:44
Conditionals in React
function App() {
const title:string = "Blog post";
const loading: boolean = false;
const showComments: boolean = true;
let myArray: Array<Post> = [{
id: 1,
text: "Carlos"
},
package org.example.util;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
public class ConexionSingleton {
private static String url = "jdbc:mysql://localhost:3306/java_curso";
private static String username="root";
private static String password="";
@Elshaman
Elshaman / execution in command line
Created January 5, 2023 20:27
Object composition over inheritance in Golang: example
go build -o structura_inherit main. Go
./structura_inherit
@Elshaman
Elshaman / Execution
Last active January 2, 2023 16:16
Golang: update attributes in struct using * operator
go build -o structura path/to/main.go
@Elshaman
Elshaman / execution_in_command_line
Created October 18, 2022 21:48
Golang: find a key in a map; key passed via command line
o run main.go 204
const juegos = ['Assasins Creed ', 'GTA', 'Streets of Rage', 'AOE', 'BattleField'];
export default juegos;
@Elshaman
Elshaman / arreglo.js
Created October 5, 2021 18:32
Modern Javascript looping through content: for .. of loop
const juegos = ['Assasins Creed ', 'GTA', 'Streets of Rage', 'AOE', 'BattleField'];
export default juegos;