Questions tagged [nodejs-server]
405 questions
2
votes
1 answer
Didn't get response on browser
I write a code for to read json file and print it to browser. The code working fine it print data on console. but didn't get on browser.
app.post("/uploadfile",function (req, res, next) {
// Error MiddleWare for multer file upload, so if any
//…
Abhijith Poojary
- 31
- 1
- 4
2
votes
1 answer
Error: No default engine was specified and no extension was provided. in express
i am new to backend web development and i was practicing on a project in nodejs and express.js
Below is the code of my app.js file
const express = require("express")
const bp = require("body-parser")
const app = express()
app.set("view-engine",…
Nasyx Nadeem
- 241
- 2
- 12
2
votes
5 answers
Callback and event emitter functionality using NodeJS
Programme language is NodeJS
Steps ToDo:
1. The variable input has the input value. Extract n1 and n2 from the input.
2. Write a function to find the sum of all the multiples of n1 and n2, below and including 1000. This function should log the…
Coder-Neel
- 51
- 1
- 6
2
votes
1 answer
MongoError code 66 immutable field in nodeJS
I was trying to do an update operation. Now I'm getting an immutable error I knew the cause it was updating the key. I wonder because I'm not passing the _id from the API still I can see the _id if I console. I want to remove the _id from my object…
user16548334
- 23
- 2
2
votes
1 answer
Can't export wsEndpoint created from puppeteer browser
I am trying to open a puppeteer browser upon startup and then exporting the wsEndpoint so that I may use the link to connect to the browser rather than opening a new browser every time I call the function.
Here is the code snippet in the file app.js…
Christian Harjuno
- 35
- 3
2
votes
1 answer
Cannot find measurement protocol in GA4 data stream to create api-secret for sending events
Initially, I had set up Universal Analytics to track some user activity on my web application but I then realized that I cannot generate reports(get data back from the dashboard for further analysis) and then decided to switch to google analytics 4…
Nikhil Hulle
- 43
- 1
- 5
2
votes
1 answer
Is a -dynamic- PHP app more performant than a NodeJS one?
I'm new to NodeJS, coming from mostly PHP, and am building an app that requires a fresh HTML serve from the server on each request - Node serves HTML with the EJS templating engine - no SPA framework. I've stumbled upon a case when I'm not sure if…
Danigoodw
- 379
- 3
- 10
2
votes
2 answers
I tried to upload file and text data from multipart api but not able to get files even i use multer
I tried to upload file as well as text data from the api,so i have write multipart api for getting file and text data from the res in nodejs for getting file i am using multer module but now i am getting undefined or null in req.files & req.file.…
Himanshu Sehgal
- 97
- 2
- 7
2
votes
0 answers
RSA_padding_check_PKCS1_type_2:pkcs decoding error
I need to decrypt a message with the following logic
Logic
RSA/ECB/PKCS1Decryption(Base64Decode(encryptedKey),B2C.cer)
Tried with two modules crypto & node-RSA returns a similar error.
RSA_padding_check_PKCS1_type_2:pkcs decoding error
Code
const…
Santo Varghese
- 88
- 1
- 7
2
votes
0 answers
Nodejs: Override global.eval
Is there any way to safely override eval? Have tried directly overriding:
var oldEval = global.eval;
global.eval = function(){
// my logic
global.a+=1;
return oldEval.apply(this, arguments);
}
This somehow gives the following reference…
Anupam Juniwal
- 309
- 1
- 3
- 11
2
votes
1 answer
Nodejs cluster forking not working on Windows; how do you enable the round-robin scheduling?
Similar questions have been asked, as to why a nodejs cluster forking only delegates to one worker on a windows machine. We know the answer is that the RR algorithm is disabled on windows, but so then, how can you enable it?
I have a hint:
1)…
Ruben Martinez
- 543
- 4
- 12
2
votes
1 answer
How to get status code in jwt token based error msg using nodejs?
I implemented JWT token authentication using node.js and MongoDB. It's working fine. Throwing error messages is also working fine (token invalid, JWT expired, JWT must be provided). But how do I get the appropriate HTTP status code in the error…
smith hari
- 437
- 1
- 11
- 22
2
votes
1 answer
How to extract data using async and await function in node js?
I tried redis cache implement in node js using mongodb.I set the data in cache.but i cant get the data in cache.how to solve this issue.
cache.js
async function Get_Value(){
let response = await client.get('products')
…
smith hari
- 437
- 1
- 11
- 22
2
votes
0 answers
If database data is changed its automatically changing in redis cache?
I implement redis cache in node js using mongodb its working fine.but I have doubt In mongodb I have 10 records.I tried to exceute my node js code its get data from db and stored cache its working fine.suppose I deleted data from db but its not…
smith hari
- 437
- 1
- 11
- 22
2
votes
2 answers
How to implement jwt verify token in node js
I tried to implement jwt token generation in node js.I got jwt token but how to validate token using node js crud operation.but I got token jwt verfiy code using callback function.without call back function used to implement async/awit function…
smith hari
- 437
- 1
- 11
- 22