mocha nodejs

Install node environment today, encountered the problem of installation, prompt error roll back,because of a Error.node.js Setup wizard ended prematurely; finally found the bottom of this article, a good solution to my problem.Article Source: http://caibaojian.com/nodejs-roll-back.htmlOriginal link: http://caibaojian.com/nodejs-roll-back.htmlInstallationNodejsThe answer is found here: Install in Windows, br

This article will study the principle and essence of Nodejs from the source code, discuss the application scenarios of Nodejs and the practical guide of high performance development.Directory:Section First: Compiling node. jsSection II: Source Code AnalysisEnter the topic: The following is done under Win7 64, other platform compilation, please see the official website.first section: compiling node. js, the

The cause is this, for some reason, recently in the Write Nodejs C + + module, and then called in JS here. Network communication is naturally inseparable from SSL, so need to link to OpenSSL library. Our original expectation was that the user would be required to install a OpenSSL runtime, and then our C + + module would dynamically link to OpenSSL's so library to run. At first everything looked good until we found that the OpenSSL function was not

Each language has its own advantages, the combination of each to take the director of the program to execute more efficient or to say which implementation is simpler to use which, Nodejs is the use of child processes to invoke system commands or files, documents see Http://nodejs.org/api/child_ The Process.html,nodejs sub-process provides an important interface for interacting with the system, and its main

This article describes the Ubuntu 12.04 Server installation Nodejs as well as the upgrade method, Ubuntu installation Nodejs, and the upgraded instance tutorials, need a friend reference under. Because of the recent intention to study the next Nodejs, the results found that there is no suitable for first in the Nodejs

() Close:server.close () Error the practice of TCP Services (ii) Connection Events Data: One end executes write () and the other end triggers the event End: Disconnect at either end to trigger the event Connect: This event is used by the client to trigger when the socket server connection succeeds Drain: When the Write () is triggered at either end, the event is triggered by the current end Error: This event is triggered when an except

Install the latest version of Nodejs update Ubuntu software sourcesudo apt-get updatesudoinstall -y python-software-properties software-properties-Commonsudo add-apt-repository ppa:chris-lea/node. jssudo Apt-get UpdateInstalling Nodejssudo Install Nodejs sudo Install nodejs-legacysudoinstall NPMUpdate NPM's package image source for quick and easy downloadsudo npm

First, the preface Nodejs used some days, recently reviewed its API, the use of new features, in order to have a higher level of mastery, the summary of the API is different from the simple English version of the Chinese, will do more to expand and their own understanding, hoping to help everyone, first from the core of events began Nodejs's events implement an observer pattern that supports the core mechanism of

configuration files. In the terminal, enter the following command to replace Sudoapt-get--purge Remove Uninstall the program only. If you remove the program but leave the configuration file, enter the following command:Sudoapt-get Remove Solve the problem of the VI in Ubuntu can not use the arrow keys and BACKSPACEProgramme one:Problem:Ubuntu VI in the editing state of the arrow keys can not be used, as well as the grid key can not be deleted and so we are accustomed to some of the keys can not

Turn from: Https://segmentfault.com/a/1190000002741935#articleHeader3 This article will answer some questions for beginners of Nodejs: When should I throw an exception in a function I write, when should I pass it to callback, when it triggers eventemitter, and so on. What assumptions my function makes about the parameters. Should I check for more specific constraints? For example, whether the parameter is Non-null, is greater than 0, it looks like an

Nodejs receive POST request parametersHow the 1.1-browser sends POST request parameters 1.2-How the service side receives the POST request parameters POST request parameters are not spliced directly in the URL path, but are sent to the server request in the body of the request three elements: the request line, the request header, the request body 1.1-The way the browser sends the POST request parameters Post request parameters cannot be spliced direc

Nodejs internally provides a debug mechanism that allows the program to go into debug mode for developers to analyze code discovery problems step-by-step. a total of 3 boot parameters allow the program to enter debug mode, assuming that we want to debug the app.js. node Debug app.js node--debug app.js node--debug-brk app.js 3 modes have a certain difference in the form of debugging. Node Debug App.js 1. This way to start the pro

If you want to install the Nodejs not installed can go to download: http://nodejs.org/ 1, open cmd execute the following command: ①, we will first configure NPM's global module storage path and cache path, for example, I would like to put the above two folders in the Nodejs's home directory, under the Nodejs set up "Node_global" and "Node_cache" two folder. ②, start cmd, input: npm config set prefix "C:\P

is looking for a lightweight embedded database above node, as the representative of the embedded database, SQLite is undoubtedly an ideal choice. There are two--sqlite3 and realms in the library that integrates SQLite on NPM. Realm is an ideal option, originally designed for mobile apps and can be run on node, but not in Windows. Sqlite3 is a nodejs designed for the Nodejs, which is ecologically

A.nodejs Installation The installation of Nodejs has nothing to say about the default installation. Download the installation package website:Nodejs official websiteI am using the window's installation package Node-v4.2.6-x64.msiOpen command line after installation completes view install node version with node-v command, there is a version number showing that the installation was successful.　　You need to create a folder as a

1.NodeJS Installation1.windows under the Nodejs installation is more convenient, only need to login official website (http://nodejs.org/), directly click the Download button.2. The installation process is basically direct "NEXT" (the installation MSI file of Windows will add the system variable of path directly in the process, the variable value is your installation path, for example "C:\Program Files\

1 Download Sublime Text 2http://www.sublimetext.com/2 download Nodejs plugin, download Zip packageHttps://github.com/tanepiper/SublimeText-Nodejs3 Unzip the zip and rename it to Nodejs4 Copy the Nodejs to the C:\Users\Administrator\AppData\Roaming\Sublime Text 2\packages directory5 Restart Sublime Text 2->tools-->build System-->nodejs6 Configure the Nodejs path P

node. JS is a platform built on the chrome JavaScript runtime to easily build fast, easy-to-scale Web applications · With event-driven, node. js, the non-blocking I/O model becomes lightweight and efficient, making it ideal for data-intensive, real-time applications running on distributed devices.Baidu Experience: jingyan.baidu.comMethod/Step 1Go to nodejs official website download software (nodejs.org), 2When the download is complete, double-cl

Nodejs Exception Handling Uncaughtexception articleWang Yu-april 08, 2015Many NodeJS developers complain about the trouble of handling the exception, and we'll comb through some of the columns to sort out the usual exception handling methods in NodeJS.As with most programming languages, you can throw throw an exception in NodeJS: throw new Error(‘Catch m

This article describes how to use multi-thread programming in nodejs. in this article, nodejsaddon is used to expand nodejs multi-thread programming with cc ++, for more information about Node. js, see the previous blog post. in implementing sleep in Node. js, I will introduce the usage of Node. js addon. Today's topic is addon. continue to explore the capabilities of c/c ++ to make up for Node. js weakness