Utilizing Async, I am using async.map() to connect my data array with a function and incorporating async.waterfall() within that function to execute functions in a series. However, the waterfall function is not functioning as anticipated. I have also attem ...
This is the initial code that works fine: var fs = require('fs'); var async = require('async'); var addErrParm = function (err, done) {return function(exists) { done(err, exists); }} function testAsync() {var response = ''; function c ...
I have the following sync function: for (var i = 0; i < results.length; i++) { var key1 = results[i]['__key']; for (var j = i + 1; j < results.length; j++) { ...
Below is a snippet of my node script: pool.getConnection(function(err, maria_connection) { maria_connection.query(' CREATE TABLE Currency(uuid VARCHAR(10),name VARCHAR(12),PRIMARY KEY(uuid), UNIQUE(name))') async.series({ ...
Asynchronously using parallel to retrieve data from the database in parallel. Upon each task returning the data, it is stored in a local object. In index.js, the cacheService.js is called. Inside cacheService.js, data is loaded from both MySQL and MongoDB ...
I am diving into the world of JavaScript and Node.js. I am currently experimenting with Puppeteer to extract the text value of a tag and store it in a constant variable. However, I am encountering difficulties when trying to integrate this value into my ...
I am a beginner in the world of Javascript and I recently encountered a challenge with async callbacks using Node.js. My first step was setting up the Facebook webhook and sending a Webhook POST request Below is the code snippet : routes.js **Setting up ...
Currently, I am delving into the node.js async module and wondering if it's possible to modify the behavior of the async.retry method. Specifically, I'd like it to retry even on successful operations but halt based on a certain condition or respo ...
I'm attempting to send multiple HTTP PUT requests to my server, but I am only able to successfully send one JSON object to the database. What could be missing in my code? var data1 = JSON.stringify(require('./abc.json')), data2 = JSON ...
There are 2 collections called Stud and Prof. A function exists that accepts an id as a parameter and retrieves the relevant information if the id belongs to either of these collections. First call to the function: passing an id belonging to the Prof co ...
I'm fairly new to working with Node.js and I'm still trying to grasp the concept of callbacks and the asynchronous nature of Node.js. However, I've encountered a problem that I can't seem to solve. I've already searched extensively on online forums and doc ...
It's common knowledge that using {$in: {_id: []}} in MongoDB doesn't maintain order. To address this issue, I am considering utilizing Async.js. Let's consider an example: const ids = [3,1,2]; // Initial ids retrieved from aggregation const documents = ...