How to convert MongoDB Buffer to Image in React/Node/Express
Technical Specifications: React, Node, Express, MongoDB through Mongoose
mongoose
Trouble updating boolean value with save() using mongoose
So I’ve encountered an interesting issue where I’ve been able to use my front end to change a boolean value to true, but not back to false. My code:
Cannot access ‘user’ before initialization
I am new in Mern development, and getting this “Cannot access ‘user’ before initialization” error in controller file
Getting data from mongoose on server but an empty array in React
When I try to return a data from moongoose using React it just display an empty array using a useEffect and it return the data when I change something inside the page , also when I try to map the data, it shows nothing :
Can not delete or update error in postman express mongoose
I have written a code to update and delete with json and testing with postman it shows like below
here is my code
MongoDb Not populating – returns empy array (no error)
The following in all possible combinations :
-async
-exec()
-then()
-populate() with/without specifying path, model, select
Image returned from REST API always displays broken
I am building a content management system for an art portfolio app, with React. The client will POST to the API which uses Mongoose to insert into a MongoDB. The API then queries the DB for the newly inserted image, and returns it to the client.
Error [ERR_HTTP_HEADERS_SENT] Cannot set headers after they are sent to the client
at ServerResponse.setHeader (_http_outgoing.js:470:11) at ServerResponse.header (C:rootnode_modulesexpresslibresponse.js:771:10) at ServerResponse.send (C:rootnode_modulesexpresslibresponse.js:170:12) at ServerResponse.json (C:rootnode_modulesexpresslibresponse.js:267:15) at ServerResponse.send (C:rootnode_modulesexpresslibresponse.js:158:21) at grade.save (C:rootrouteapilistsData.js:223:32) at C:rootnode_modulesmongooselibmodel.js:4604:16 at C:rootnode_modulesmongooselibutils.js:268:11 at $__save.error (C:rootnode_modulesmongooselibmodel.js:472:16) at C:rootnode_moduleskareemindex.js:246:48 at next (C:rootnode_moduleskareemindex.js:167:27) at next (C:rootnode_moduleskareemindex.js:169:9) at Kareem.execPost (C:rootnode_moduleskareemindex.js:217:3) at _handleWrapError (C:rootnode_moduleskareemindex.js:245:21) at C:rootnode_moduleskareemindex.js:272:14 at _next (C:rootnode_moduleskareemindex.js:94:14) Emitted 'error' event at: Please help, I was facing with this … Read more
recursive function is not returning value in express js?
I am working in a ecommerce website. I have create a mongoose model for all categories. But including parent id for the category that is a subcategory.
when get a request send, all the categories are finding from database. That’s fine but I want to send the category in a nested way to client. That’s why I wrote like this.
async function inside new async function
I need to fetch data from Mongo db using mongoose then send some request using node-fetch. So I created below async function async function mainThree() { await ProvinceList.find({}).then((data) => { data.forEach((provience) => { console.log(provience.id) let response = await fetch(`https://xxxx.com/api/getSubAddressList?addressId=${provience.id}`, { "headers": { "accept": "application/json, text/plain, */*", "accept-language": "en-US,en;q=0.9,si;q=0.8", "cache-control": "no-cache", }, "referrer": "https://www.xxxx.com/", "referrerPolicy": "strict-origin-when-cross-origin", … Read more
