node.js – Tarik Billa

Where is the body in a nodejs http.get response?

April 14, 2024 by Tarik

http.request docs contains example how to receive body of the response through handling data event: var options = { host: ‘www.google.com’, port: 80, path: ‘/upload’, method: ‘POST’ }; var req = http.request(options, function(res) { console.log(‘STATUS: ‘ + res.statusCode); console.log(‘HEADERS: ‘ + JSON.stringify(res.headers)); res.setEncoding(‘utf8’); res.on(‘data’, function (chunk) { console.log(‘BODY: ‘ + chunk); }); }); req.on(‘error’, function(e) … Read more

Is there a way to get the version from the ‘package.json’ file in Node.js code?

April 13, 2024 by Tarik

I found that the following code fragment worked best for me. Since it uses require to load the package.json, it works regardless of the current working directory. var pjson = require(‘./package.json’); console.log(pjson.version); A warning, courtesy of @Pathogen: Doing this with Browserify has security implications. Be careful not to expose your package.json to the client, as … Read more

Upgrading Node.js to the latest version

April 12, 2024 by Tarik

Ubuntu Linux/Mac The module n makes version-management easy: npm install n -g For the latest stable version: n stable For the latest version: n latest Debian 10 Upgrade older versions of node and npm on Debian 10 as follows: sudo su -c ‘curl -sL https://deb.nodesource.com/setup_18.x | bash -‘ sudo apt-get install nodejs -y sudo apt … Read more

Creating methods to update & save documents with mongoose?

April 12, 2024 by Tarik

From inside a static method, you can also create a new document by doing : schema.statics.createUser = function(callback) { var user = new this(); user.phone_number = “jgkdlajgkldas”; user.save(callback); };

Condition parameter type does not match schema type

April 12, 2024 by Tarik

Why does req.params return an empty array?

April 11, 2024 by Tarik

req.params can only get the param of request url in this pattern:/user/:name req.query get query params(name) like /user?name=123 or body params.

Express + Postman, req.body is empty

April 11, 2024 by Tarik

After spending a few hours I realized need to change the Raw type in postman to JSON

confused about .yarnrc and .npmrc

April 11, 2024 by Tarik

I ran into the same issue. I just created .yarnrc file in the root folder of my project with the following content and it worked. registry “<artifactory-url>”

how to pass image buffer data to gm in() GraphicsMagic

April 11, 2024 by Tarik

Without modifying the source of GraphicsMagick itself, you can’t. The gm module interacts with the GraphicsMagick program through the command line. The arguments you’re passing through the .in() method are being converted into command-line arguments. The GraphicsMagick program only accepts filenames for this argument and will not attempt to process any direct form of data. … Read more

How to use setInterval and clearInterval in NodeJS? [duplicate]

April 11, 2024 by Tarik

If you want a JavaScript like interval ID after creating a setInterval timer, you can do the following, function callbackFunc() { console.log(“I’m just an example callback function”); } const timeoutObj = setInterval(callbackFunc, 1000); const intervalId = timeoutObj[Symbol.toPrimitive](); //intervalId is an interger // Later you can clear the timer by calling clearInterval with the intervalId like, … Read more