node js use cases

('/home/user/lib/cat') to load modules. NodeJS finds the position of the entry module based on package. json in the package directory. Articles you may be interested in: How to Use npm to publish the Node. JS package When node. js uses npm to install the plug-in, it prom

This article mainly introduces node. use q. js implements api promise. promise is a standard that describes the returned results of asynchronous calls, including correct returned results and error handling, need a friend can refer to what is promise and promise solution is what problem, please experience node callback

testing. (By The Way, please look forward to the upcoming articles about the load testing by Lloyd) After two days of hard work, he finally found the culprit in the Node kernel: The Event listener in http. ClientRequest was not released. (The patch that finally fixes this problem has only two but crucial letters ). This painful experience prompted Lloyd to write a tool that can help find memory leaks. Memory Leak locating Tool There are already many

testing. (By the way, please look forward to the upcoming articles about the load testing by Lloyd) After two days of hard work, he finally found the culprit in the Node Kernel: The event listener in http. ClientRequest was not released. (The patch that finally fixes this problem has only two but crucial letters ). This painful experience prompted Lloyd to write a tool that can help find memory leaks. Memory leak locating tool There are already many

user environment variables and system environment respectively.Development Tools WebStorm I downloaded a 7.0 file. It seems that many of them are used. WebStorm: http://www.jetbrains.com/webstorm/ Do. for NET development, you can select WebMatrix3. Download and install it directly. The operation is very convenient and you can directly create a Nodejs project after a while without much explanation. If it is only developed in a Windows environment, we recommend that you

My path to Node. js Learning (1) and the path to node. js Learning 1. Introduction to node. jsI have a lot of information on the Internet. 1. What is node. js?At the core,

step will go to github to download npm files and progress, and the fourth step is to install npm to node. js will copy several cmd files and the mode_modules folder to the nodejs directory. In this way, npm is configured. If you need to install any modules, enter npm install ***. If there is no npm or windows users can use github to download socket. io and put i

This article focuses on the method of creating the first application for node. js, as well as the introduction of five different scenarios. So that everyone can learn something, learn this, and then let's come and see this article. First, let's try to create the first application: Before we create the first "Hello, world!" app for node.

attributes: 1,error.message-Error message 2,error.stack -Error stack tracing information In addition to the attributes of the Error instance, you can also customize some Error attributes. For example, to customize an attribute status that indicates the status: Var error = new Error ('the page you accessed does not exist'); error. status = 404; 2.2 System Error System Error: JavaScript ErrorErrorAn extension of the object, which indicates the operation errors that the program can handle. These e

the function header. All functions are defined before use. Name constructors and callback functions as much as possible, so that you can see a clearer call stack during debugging. Try to define all member functions in the constructor through the prototype, define the attributes in the constructor, and then use the new keyword to create an object for the constructor. Avoid complex inheritance. If you wa

Objective:Recently looking at node. js and looking at it for a while and thinking about implementing a node. JS has now been realized ( mostly imitating others , But to realize it once and basically understand the principle of node. js