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QUESTION
I am learning node.js and want to open a server with a simple home, about, and error page. I (seem to have) followed the syntax exactly, but each time I load a request from the server in my browser, the page loads but I get an error in the vsCode terminal and the port closes. Here is my code:
...ANSWER
Answered 2021-Jun-08 at 02:56You are calling res.end()
twice from your request handler when you get either the /
or /about
requests. You can only call it once.
You end up calling res.end()
more than once because when your request matches either /
or /about
, you call res.end()
for those specific pages and then you have another res.end()
at the end of the function that also executes.
To fix it, change to this:
QUESTION
I reading this tutorial for Sequelize and Node.js. I get the following error on line 4:
TypeError: Path must be a string. Received undefined
...ANSWER
Answered 2020-Mar-28 at 18:32Regarding the module.filename
problem - you can read this discussion or just that comment: https://github.com/webpack/webpack/issues/1599#issuecomment-328540024
quote:
aprilmintacpineda commented
for those having this issue, it is also good to note that module.filename would be undefined if you bundled your files. In my case it was undefined and I fixed it by simply replacing it with __filename which yields the same outcome.
So you should be able to replace path.basename(module.filename);
with path.basename(__filename);
.
But it still would be a bundled js file in /dist folder and your models are in /postgres/models folder, as I understand.
I see here two options:1) To not to automatically load your models, but directly require all necessary models.
assuming this file's path is /postgres/models/index.js
and actual models are in the same folder
not tested
QUESTION
I'm new to JavaScript and follow a clear node-tutorial on Github. But whatever I've tried in all modules, I keep getting this error message when I run yarn dev:wds
...ANSWER
Answered 2020-Feb-13 at 02:15Just a suggestion: have you tried resolving the problematic path before passing it to webpack? Something along the lines: path.resolve(__dirname, './src/client')
will convert the path from relative to absolute and often times it helps to quiet various loaders.
QUESTION
I am trying to learn Node's multer library, which is useful for uploading files though API calls,
I have a basic express application setup listening to port 4300,
Used multer's diskStorage function to define the file system location where I want the uploaded files to get stored.
And exposed 3 endpoints -
1st for accepting single file upload, keyname - singleFile
2nd for accepting an array of files for a key name, keyname - multipleFiles
3rd for accepting an array of single/array files for different key names.
I am referring the following-
1. https://www.npmjs.com/package/multer
2. https://medium.com/@bmshamsnahid/nodejs-file-upload-using-multer-3a904516f6d2
ANSWER
Answered 2018-Nov-05 at 09:54try consoling req.files.filename.
I found filename in req.files.filename.
Correction - req.files is array of object.
QUESTION
I am new to node js and following a tutorial on scotch.io. I've imported morgan for logging requests, but when I run the code I get TypeError: app.use is not a function. This is my code for app.js;
...ANSWER
Answered 2018-Oct-08 at 05:00Try this, change app=express; to app=express();
QUESTION
I am following code sample like this from mongoDB js API, very simple code sample:
...ANSWER
Answered 2018-Jun-17 at 09:25When you await an function like you do with getAddressFromDB, that function needs to return a promise. In your code, you are returning undefined
because your return statement is always executed before the callback of the database operation is done executing. Adding async does not change that.
You can fix this by defining a promise and returning it, like this (see comments in the code for further explanation):
QUESTION
I am trying to build an app that uses the Microsoft Graph API to lookup other users by email address. Unfortunately I also need to lookup by alternative/proxy email addresses and I am struggling to find the scope required for the API call.
Using the Graph Explorer, I can successfully submit the query /beta/users?$filter=proxyAddresses/any(x:x eq 'smtp:user.name@example.com')
but when running in the app I get an insufficient permissions error.
ANSWER
Answered 2018-May-31 at 17:54This sounds like you need to update your scope list to include a missing scope. I don't know what the scope is that you need, but what I would do is in Graph Explorer, after you are logged in, I'd open the console and run tokenPlease() to get your access token. Compare the scopes in the access token returned by Graph Explorer to the scopes that you request in your app to help you determine which scope you still need to request.
QUESTION
Is the Node.js tutorial for Outlook's Mail API out of date?
I cloned the repo, installed the versions the dependencies from there:
...ANSWER
Answered 2018-Jan-23 at 13:39First you should update those dependencies to:
QUESTION
Trying to use the Graph API (through https://developer.microsoft.com/en-us/graph/graph-explorer/) to return events from a shared calendar using the following endpoint:
...ANSWER
Answered 2017-May-26 at 12:16Apparently there are two versions of calendar sharing, which I'll refer to as the "old" and the "new". The details aren't important, it's sufficient to know that this is an implementation detail within Microsoft's clients (Outlook, OWA, etc.). In your case, the person that shared their calendar with you did so with a client that used the "old" method, and the REST API doesn't have access to calendars shared with that method. We're working on addressing that problem in the API.
In the meantime, if the user that shared their calendar can remove the sharing, then use Outlook on the web, Outlook on iOS, or Outlook on Android to re-share, it should unblock you. (With the requirement that their mailbox is hosted on Office 365).
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