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#node.js#udp#client#server#socketHow create UDP server and client on Node.js#Here is a quick tutorial on setting up a UDP server and client in Node.js. For all things UDP in Node.js, you will need to use the dgram library, so read it up well and good. UDP Server#Here is a simple example of a UDP server. var PORT = 33333; var HOST = '127.0.0.1'; var dgram = require('dgram'); var server = dgram.crea
#child_process#exec#spawnWhat is the difference between spawn and exec methodd of child_process?#The Node.js child_process module has two methods spawn() and exec(), using which we can start a child process to execute other programs on the system. Those new to child_process may wonder why there are two functions to do the same thing, and which one they should use. I'll explain the differences betw
Looking for a good tutorial on Express.js to help you get quickly productive in it? You have come to the right place. This tutorial is for Express 3, the current version is Express 4. Unless you want to use Express 3, consider the tutorial outdated. In this tutorial I will run you through the process setting up an Express.js app and making it do what a basic website might do. You will learn the ba
Posted on February 16th, 2012 under Express.js, Node.js Tags: Express.js, logging, logs, node.js How to log access and errors in Express.js web server For someone new to Express.js, something that might not come up immediately is how logging works in Express. Even worse, tutorials rarely mention of logging in Express. In Apache you have access.log and error.log, what is the equivalent in Express?
Then execute the file using node. You should see an output which looks something like this: $ node run.js Module { id: '.', exports: {}, parent: null, filename: '/Users/yaapa/projects/hacksparrow.com/run.js', loaded: false, children: [], paths: [ '/Users/yaapa/projects/hacksparrow.com/node_modules', '/Users/yaapa/projects/node_modules', '/Users/yaapa/node_modules', '/Users/node_modules', '/node_mo
The URL: http://localhost:5000/upload.html On line number 6, we are defining the storage engine for multer, of the type multer.diskStorage. One may wonder, "Shouldn't handling file uploads be just about defining a path for the uploaded files? Why do we need to define a storage? Isn't this obvious over-engineering?" Contrary to what many may think about file uploads, handling file uploads is not a
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