How to change string to number and plus 1 with 000 in front of it ( I’m using javascirpt node JS) I want outout 0010 this is what I try the problem is output is 00010 I want 0010 if more number 0 will less like 0999 or 9999 Answer Try it
Tag: node.js
Error: Route.get() requires a callback function but got a [object Undefined] at app.js
I dont know why off this error I have another model and almost the same route and the controllers but is not working this is the message: Error: Route.get() requires a callback function but got a [object Undefined] at Route. [as get] (/Users/ediechavero/Documents/Recipe-API/node_modules/express/lib/router/rou…
Multiple file uploads in nodejs using express-fileupload?
Currently I am able to post this to mongodb. It works fine. PROBLEM Instead of one attachment, I should be able to post many attachments independent of each other, there will be N different buttons available for the N uploads. I tried moving const upload = await Form.create(…) outside the file.mv(……
How to delay get request until async function finishes loading
In my express server, the root get request happens before an async function finishes listing the files from a database, but the get request needs information from the function to properly render the page. How can I have the get request wait until the other function is done? I have looked at other solutions: R…
Validating strings with Java and NodeJS
vo.getResultFun() and cod returns ‘G’ Java validation NodeJS isEqual Why NodeJS return the callback and Java don’t throws the exception? Answer The result of this js part : is false as the result of this java part: So there are several options : Validator.isNullUndefinedEmpty doesn’t w…
Not Found when serving express static file
I would like to access to a page of my web application. I created the server with expressJs and I serve the route by using app.use(express.static()). Here is my tree : In the app.js file, I have this : The line app.use(‘/MPS’, express.static(__dirname + ‘/client’)); work fine : when I …
Discordjs add space between prefix and command
I created a music bot that streams music when someone taps !play in-text channel Now I want to switch !play with please play but it response only with pleaseplay with no space between them and when I tried to change the code: but it doesn’t work at all with an error log (node:5296) UnhandledPromiseRejec…
Node child_process await result
I have a async function which makes a face_detection command line call. It’s working fine otherwise, but I can’t make it to wait for the response. Here is my function: isThereFace in my response I return is always undefined because the response is sent to client before the response from face_detec…
Sort desc on date and if tie then on risk in javascript array
I’ve array of objects which i want to sort first on date i.e, ‘create_date_format’ in desc & if tie then sort on risk alphabetically i.e, asc I tried lodash.orderBy(risk_list, [‘create_date_format’, ‘risk’], [‘desc’]) but as date is in string format it…
import menu to browser window by “require” function
I am working on a electron demo by following this tutorial. just wondering what happened in the require line of code. ./menu/mainmenu.js defines the menu items. main.js does the require(‘./menu/mainmenu’) copy whole file into main.js? Or imported some modules? In the mainmenu.js file There is no e…