Recent questions tagged node.js

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node.js - What is the difference between const and const {} in JavaScript

When I study electron, I found 2 ways of getting BrowserWindow object. const {BrowserWindow} = require(' ... anything important about JS? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - Express command not found

For some reason after installing Express globally on my machine with npm install -g express if I cd into a directory and ... .3.0, [email protected]) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - Grasping the Node JS alternative to multithreading

If I understand correctly Node JS is non blocking...so instead of waiting for a response from a database or ... I correct in my understanding? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - Writing image to local server

Update The accepted answer was good for last year but today I would use the package everyone else uses: https:// ... How can I get this working? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - Mongoose indexing in production code

Per the Mongoose documentation for MongooseJS and MongoDB/Node.js : When your application starts up, Mongoose ... a normal server restart. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - Using PassportJS, how does one pass additional form fields to the local authentication strategy?

I'm using passportJS and I'm wanting to supply more than just req.body.username and req.body.password to my authentication ... , res, next); }); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - Node package ( Grunt ) installed but not available

I'm trying to build a github jquery-ui library using grunt, but after running npm install I still can't run ... , what am I missing please? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - Difference between app.all('*') and app.use('/')

Is there a useful difference between app.all('*', ... ) and app.use('/', ...) in Node.JS Express? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - Get all directories within directory nodejs

I was hoping this would be a simple thing, but I cannot find anything out there to do so. I just want to ... already exist to do the above? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - how to release localhost from Error: listen EADDRINUSE

i am testing a server written in nodejs on windows 7 and when i try to run the tester in the command line i ... can I fix it without rebooting? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - How do I setup a SSL certificate for an express.js server?

Before, in an older version of express, I could do this: express.createServer({key:'keyFile', cert:'certFile'}); ... set the certs? If so how? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - npm install won't install devDependencies

On windows for some reason when I run npm install it won't install devDependencies. AFAIK it should. If I run npm install -- ... ": "^2.1.4" } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - NodeJS / Express: what is "app.use"?

In the docs for the NodeJS express module, the example code has app.use(...). What is the use function and where is it defined? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - npm install error - MSB3428: Could not load the Visual C++ component "VCBuild.exe"

I'm trying to use the npm install steam but I am getting an error saying I'm not sure how to fix this and ... do: npm install ursa The error is: See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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558 views

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node.js - Node Version Manager install - nvm command not found

I am trying to install NVM as per these instructions I typed in this command in terminal: $ curl https:// ... help would be appreciated. Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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275 views

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node.js - passport.js RESTful auth

How does one handle authentication (local and Facebook, for example) using passport.js, through a RESTful API ... this type of capability. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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290 views

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node.js - NodeJS MySQL Dump

I've attempted to write a basic cron script to run and 'dump' a mysql database. For some reason, when it ... (); db.connection.destroy(); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - Mongoose optional search query parameters?

I have a following situation. I need to build a mongoose query, based on certain arguments if present. I.e. if ... in DB where action is null. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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484 views

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node.js - Include the document id as a field id in firestore

Heres what i am trying to achieve i want a unique id field for every document in my database and i want that ... are other ways to achieve this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - Express JS use async function on requests

app.use(async function(req, res, next) { try { var myres = await new Promise((resolve, reject) => { ... cause some problems on expressjs side. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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225 views

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node.js - Why couldn't popular JavaScript runtimes handle synchronous-looking asynchronous script?

As cowboy says down in the comments here, we all want to "write [non-blocking JavaScript] asynchronous code in a ... on this code as discussed). See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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503 views

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node.js - nodeJS max header size in http.request

With nodeJS v0.10.28, is there a limit in the size/length of the header content in an http request? Let me ... ? what solution do I have? Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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464 views

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node.js - Fill missing dates in records

I have a collection of ProductViews. ProductView { productId: '5b8c0f3204a10228b00a1745, createdAt: '2018-09-07T17:18: ... based on this range See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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427 views

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node.js - JavaScript performance difference between double equals (==) and triple equals (===)

In JavaScript, is there a performance difference between using a double equals (==) vs using a triple equals (===)? ... vs if (foo === bar) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - Monitor All JavaScript Object Properties (magic getters and setters)

How do I emulate PHP-style __get() and __set() magic getter/setters in JavaScript? A lot of people say that ... for Node.js: node-proxy. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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948 views

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node.js - npm ERR! network getaddrinfo ENOTFOUND

I am getting npm ERR! network getaddrinfo ENOTFOUND error while trying to install any package using NPM. I know ... in order rectify this issue? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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432 views

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node.js - Using Promises with fs.readFile in a loop

I'm trying to understand why the below promise setups don't work. (Note: I already solved this issue with ... Thanks for the help in advance! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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532 views

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node.js - How to send Firebase Cloud Messaging from a node server?

Is there any way to send notifications from FCM from a node.js server? I haven't found anything about it inside documentation. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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