cat
• cat • green
1
1.¿Porqué dice que el método componentWillMount se ejecuta en el servidor?
2.¿A que se refiere con que un método debe ser puro?
2
import React from 'react';

/**** Helpers ****/
const tipoMoneda = {
d:'Dolar',
p:'Peso'
}

const cotizDolar = {
d:31,
p:1
}

const toDolar = (pesos) => {
return pesos / this.cotizDolar.d;
}

const toPeso = (dolares) => {
return dolares * this.cotizDolar.p;
}

const tryConvert = (valor, convertir) => {
const input = parseFloat( valor );
const output = convertir(input);
}
/**** Helpers ****/

//componente mensaje. Stateless
function Mensaje(props){
if (props.peso > 100000){
return

Mandalo a la cueva

;
}
else{
return

Cambiale en la calle

;
}
}

class ValorInput extends React.Component{

constructor(props){
super(props);
this.handleChange = this.handleChange.bind(this);
}

handleChange(e){
this.props.onValorChange(e.target.value);
}

render(){
const valor = this.props.valor;
const moneda = this.props.moneda;

return(

Ingrese un valor en {tipoMoneda[moneda]}


)
}
}

class Calculadora extends React.Component{

constructor(props){
super(props);
this.handlePesoChange = this.handlePesoChange.bind(this);
this.handleDolarChange = this.handleDolarChange.bind(this);
this.state = {valor:'',moneda:'p'};
}

handlePesoChange(valor){
this.setState({moneda:'p', valor})
}

handleDolarChange(valor){
this.setState({moneda:'d', valor})
}

render(){
return(





)
}
}

export default Calculadora;
3
Fqdn : 255
Account operators
ou
Forest
Un Controlador de dominio (mínimo) en cada dominio
Esquema: objetos válidos -> atributos
Multimaster
Sid (security id) wid + rid


Singlemaster -> fsmo (operation master roles)
Readmaster [dominio]
PDC emulator (primary domain controller) [dominio]
Infrastructor master (membership de los usuarios) [dominio]
Domain naming master [forest]
Esquema master [forest]


Global catalog
Recomendación: que todos los controladores de dominio tengan global catalog
Kerberos [standard de protocolo de encripción]
LAN manager (ntlm) [El primero que uso microsoft en DOS]
ntlm2 : fue vulnerado


Kerberos V5 : el mas seguro para usuario y contraseña
Ticket: lifetime [def 20 min]
Key distribution center (KDC de kerberos) [puerto 88 UDP]

4
Read only domain controller
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