Jose Emilio Labra Gayo labra
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| let marcela = { | |
| "nombre": "Marcela", | |
| "edad": 25 } ; | |
| console.log(marcela); | |
| console.log("Edad de marcela " + marcela.edad); | |
| console.log("El año que viene tendrá " + (marcela["edad"] + 1)); |
labra
/ leeDirectorios.js
Created
October 20, 2016 18:52
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| var fs = require('fs'); | |
| fs.readdir("listados/", function(err, filenames) { | |
| if (err) throw err; | |
| filenames.forEach(function(filename) { | |
| fs.readFile("listados/" + filename, 'utf-8', function(err, content) { | |
| if (err) throw err; | |
| console.log("Fichero: " + filename) | |
| console.log(content) | |
| }); |
labra
/ formularios.js
Last active
October 9, 2017 11:14
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| const http = require('http'), | |
| fs = require('fs'), | |
| url = require('url'), | |
| qs = require('querystring'); | |
| const server = http.createServer((req, res) => { | |
| switch (req.method) { | |
| case 'POST': | |
| var body = ''; | |
| req.on('data', data => { body += data; |
labra
/ verPersonas.js
Last active
October 20, 2016 16:26
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| const http = require('http'); | |
| const fs = require('fs'); | |
| var personas; | |
| fs.readFile("personas.json",'utf8', (err,datos) => { | |
| if (err) throw err; | |
| json = JSON.parse(datos); | |
| console.log("Total personas:" + json.total); | |
| personas = json.personas; |
labra
/ fileForm.js
Last active
October 20, 2016 14:53
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| const formidable = require('formidable'), fs = require('fs'), http = require('http') | |
| http.createServer((req, resp ) => { | |
| switch (req.method) { | |
| case 'GET': pideFichero(req,resp); break; | |
| case 'POST': procesaFichero(req,resp); break; | |
| }}).listen(3000); | |
| function procesaFichero(req,resp) { | |
| var form = new formidable.IncomingForm(); |
labra
/ procesaFicheros.php
Created
October 18, 2016 18:48
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| <html><head><title>Formulario</title></head> | |
| <body> | |
| <h1>Procesa ficheros</h1> | |
| <?php if ($_SERVER['REQUEST_METHOD'] == 'GET') : ?> | |
| <form action="<?php echo $_SERVER['PHP_SELF'] ?>" | |
| method="POST" | |
| enctype="multipart/form-data"> | |
| <label>Nombre: | |
| <input name="cliente"></label><br> | |
| <label>Dame un fichero: |
labra
/ local.scala
Last active
September 1, 2016 08:13
Example of monad transformer stack...question on how to lift local
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| package examples | |
| import cats._, data._ | |
| import cats.implicits._ | |
| object local { | |
| type Env = Map[String,Int] | |
| type MyState = List[Int] | |
| type S[A] = EitherT[StateT[WriterT[Kleisli[List,Env,?],String,?],MyState,?], String, A] | |
labra
/ Implicitscats.scala
Created
August 25, 2016 08:54
Example comparing behaviour of WriterT and StateT to find implicits
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| package example | |
| import cats._, data._ | |
| import cats.implicits._ | |
| abstract class CheckerWriter { | |
| type Config | |
| type Err | |
| type Log | |
| implicit val logMonoid: Monoid[Log] |
labra
/ Implicits.scala
Created
August 25, 2016 05:25
Example that generates Null Pointer Exception trying to find implicits
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| package example | |
| import cats._, data._ | |
| import cats.implicits._ | |
| abstract class Checker { | |
| type Config | |
| type Err | |
| type Log | |
| implicit val logMonoid: Monoid[Log] |
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| package examples | |
| import cats._, data._ | |
| import cats.implicits._ | |
| object writerTExample { | |
| type Env = Int | |
| type Err = String | |
| type V[A] = Either[Err,A] | |
| type ReaderV[A] = Kleisli[V,Env,A] |