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Is PHP the best language ?! 99.9% is false. If wordpress can use php 5.3 to refactor the code, we should be thankful. What about nodejs.
Learn to use. Looking for a half-day node. JS under the RABBITMQ Library, looks not to take the hand, until finally found the AMQP library, it looks good, according to the example, wrote the first RABBITMQ client.First, install the NODE-AMQP library using NPM install AMQP--save, although he recommends
automatically take SessionID like a browser, Then the user name and password must be submitted to the server, get to SessionID, after the subsequent request with SessionID to request other pages, to obtain the borrowing information, the approximate process is as follows:The concrete implementation in 3.node.jsI used the request package in node. js to simplify the requests, of course, there is no problem wi
(3000); 6, in the cmd input "" Run in the browser input http://localhost:3000/, enter the display run successfully!. 7. Next we try to connect to the database using node. js, first start the MongoDB service (note: another cmd window): Mongod--dbpath D:\ProgramFiles\mongodb-v3.4\data\db: 8. Modify the code of the Test.js file: var express = Require ("Express
In the previous article using the RABBITMQ Series in node. js a Hello world I used a task queue, but the scene at the time was to send a message to a consumer, and in this article I'll discuss scenarios with multiple consumers.In fact, the problem with the core of the task queue is to avoid dealing with time-consuming tasks immediately, that is, the synchronous p
Tags: log data div cmd cal enc mod slash dependLast lesson learned how to use node. js to connect to a database, and this lesson we learned how to insert data. 1, using node. js to connect MongoDB data successfully, want to write data in the database, but show that db.collec
500ms} led.state=0;}//led.close ();//Process.exit (); //Exit ProgramThere is also a component cur.jsvarHTTP = require ("http");//Utility function that downloads a URL and invokes//callback with the data.function Download (URL, callback) {http.Get(URL, function (res) {vardata =""; Res.on ('Data', function (chunk) {data+=Chunk; }); Res.on ("End", function () {callback (data); }); }). On ("Error", function () {Callback (NULL); });} Exports.download= download;Copy 3 files to a self-built
MongoDB is a general-purpose nosql that has been widely used in many places. Next we look at how to use the MongoDB database in node. js.1. Environment installationFirst from the MongoDB official website download, install, configure the environment variables, to ensure that the Mongod command can be successfully started. The MongoDB module is then installed using
Source: Https://github.com/creationix/nvm#install-scriptBrew Install NVMSOURCE ...echo "..." >> ~/.profileNVM Install stable # installs the latest node. jsNVM Install IOJS # installs the latest io.jsNode Version ManagerUsage:NVM help Show this messageNVM--version Print out the latest released version of NVMNVM install [-S] NVM Uninstall NVM use NVM run NVM current Display currently activated versionNVM LS List installed versionsNVM ls NVM ls-remote Li
Objectivenode. js itself can be used as a Web server, but what if you want to open multiple node. JS applications on a single machine? One answer is to use Nginx as a reverse proxy. The role of the reverse proxy here is that when the proxy server receives the request, it forwards the request to the destination server and then gets the data back.StepsI. Normal use
The following small series will bring you a perfect solution to the problem of using https requests in node. js to report CERT_UNTRUSTED. I think this is quite good. Now I will share it with you and give you a reference. Let's take a look at the small Editor. If no trusted https is called, the following error will be reported: CERT_UNTRUSTED.
A simple solution
Usually when we write the node. JS program, we are accustomed to use Console.log print log information, but this is limited to the console output, sometimes we need to output information to the log file, in fact, using the console can also achieve this goal, today to briefly introduce.We first create the following file://Index.js LetFs= require(' FS '); LetOption
Node. js learning: Using express to build a simple web Calculator
Node. js learning: Using express to build a simple web Calculator
Blog link:Http://blog.csdn.net/jdh99, Author: jdh, reprinted please note.
Environment:
HOST: WI
just want to do a grunt operation on a JS file, you do not need to create Index.js and Lib folder files, directly put the file in the root directory, and then the Gruntfile.js file in the path to change it.?Appendix 2:How to create a sample gruntfile.
Installing GRUNT-CLI
NPM install-g GRUNT-CLI
?
Install the Windows version of Git.
Create an empty folder.
Navigate to the new fol
Solve the Problem of connect ECONNREFUSED 127.0.0.1: 3306 in Node. js using MySQL, connecteconnrefused
Preface
Recently, I used Node to write a gadget that requires MySQL databases. Currently, the most widely used mysql database is used. Then, now the ORM is so popular, so I can't learn it, so I found the ORM library s
corresponding document, the default option is--help.Implementation of Vue-init Sub-commandThe main function of Vue-init is to pull the project template file (official or homemade) under the specified git directory into the specified directory, using the following$ vue init There is still a need to parse the PROCESS.ARGV, so the commander.js is introduced in Vue-init, which generates a programProgram . Usage (' Next is to implement the pull tem
How do I send cookies to clients in node. js?The following two scenarios are available:First, using Response.writehead, code example:Set the expiration time to one minute1 varToday =NewDate ();2 varTime = Today.gettime () + 60*1000;3 varTime2 =NewDate (time);4 varTimeobj =time2.togmtstring ();5 Response.writehead ({6' Set-cookie ': ' mycookie= ' Type=ninja ', ' l
The information required for routing, including URL and get or post parameters. The route executes the corresponding JS handler based on these parameters, so the URL and the Get or post parameters need to be extracted in the HTTP request. These request parameters are in the requests object, which is the first parameter of the ONrequest () callback function. This information needs to be extracted and requires node
varExpress = require (' Express ');Ten varMultiparty = require (' multiparty ')); One varRouter =Express. Router (); A varUtil = require ('.. /utils '); - -Router.post ('/',function(req, res) { the varform =Newmultiparty. Form (); //You can set the image upload path, default to the current user under the Temp folder -Form.uploaddir = Util.getrootdir () + "/static/img"; -Form.parse (req,function(Err, fields, files) { - //files is the information for uploading images + }); - }
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