learning express view engine function const express = require('express'); const app = express(); app.set('views','./views'); app.set('view engine', 'pug'); app.get('/', function(req, res){ res.render('index',{title: 'hey', message: 'hello panzidong u…

learning express error handle code: const express = require('express'); const app = express(); const fs = require('fs'); app.get('/', function (req, res, next){ fs.readFile('file', function (err, data) { if(err){ next(err) }else{ res.send(data); } })…

when develop expree meet some errors, we show how to solve Error: No default engine was specified and no extension was provided. How to solve: app.set('view engine','ejs'); Error: Cannot find module 'ejs' How to solve: C:\Users\admin\WebstormProjects…

learning express error handle code: const express = require('express'); const app = express(); app.get('/', function (req, res){ throw new Error("BROKEN"); }); app.listen(); result:…

learning express.Router() code: const express = require('express'); const app = express(); var router = express.Router(); var cookieParser = require('cookie-parser'); app.use(cookieParser()); router.use(function (req, res, next) { //if (!req.headers[…

learning  express  middleware var express = require('express'); var app = express(); var myLogger = function (req, res, next) { log++; console.log('var log =', log); next(); }; app.use(myLogger); app.get('/', function(req, res){ res.send("hello world…

learning express route function const express = require('express'); const app = express(); app.get('/', function (req, res) { res.send('root'); }); app.get('/about', function (req, res) { res.send('about'); }); app.get('/random.txt',function (req, re…

install express-generator C:\Users\admin\WebstormProjects\learning-express-step2>npm install express-generator -g C:\Users\admin\AppData\Roaming\npm\express -> C:\Users\admin\AppData\Roaming\npm\node_modules\express-generator\bin\express-cli.js + ex…

前言: 当采用无监督的方法分层预训练深度网络的权值时,为了学习到较鲁棒的特征,可以在网络的可视层(即数据的输入层)引入随机噪声,这种方法称为Denoise Autoencoder(简称dAE),由Bengio在08年提出,见其文章Extracting and composing robust features with denoising autoencoders.使用dAE时,可以用被破坏的输入数据重构出原始的数据(指没被破坏的数据),所以它训练出来的特征会更鲁棒.本篇博文主要是根据Benig…

router-level middleware works in the same way as application-level middleware, except it is bound to an instance of  express.Router(). code: var express = require('express'); var app = express(); var router = express.Router(); // a middleware functio…