Recent questions tagged Node.js

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node.js - AES - Encryption with Crypto (node-js) / decryption with Pycrypto (python)

I'm writing this question + answer because I struggled a lot (maybe because of a lack of experience), got lost ... (well, mostly my corworker). 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 gets stuck at fetchMetadata

I'm currently unable to run npm install in any project since today. I'm running node v8.2.1 & npm 5.3.0 ... : MacBook Pro running macOS 10.12.6 See Question&Answers more detail:os...

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

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295 views

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node.js - Read Nth line of file in NodeJS

I'm attempting to extract a single line of a file, given that I know the pathname and the line number, ... than the standard library API docs? See Question&Answers more detail:os...

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

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437 views

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node.js - How to use “IN” statement in FilterExpression using array - dynamodb

Checked AWS document but did not find any working example. Here is my attempt var params = { TableName: "User" ... but i am not getting records See Question&Answers more detail:os...

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

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306 views

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node.js - Convert Binary.toString('encode64') back to Binary

I've seen several tutorial explaining how to convert binary image into encode64 representations: var image = new ... buffer's binary data. See Question&Answers more detail:os...

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

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351 views

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node.js - Why COPY package*.json ./ precedes COPY . .?

In this Node.js tutorial on Docker: https://nodejs.org/en/docs/guides/nodejs-docker-webapp/ What is the point of COPY ... CMD [ "npm", "start" ] See Question&Answers more detail:os...

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

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460 views

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node.js - How to wait for a stream to finish piping? (Nodejs)

I have a for loop array of promises, so I used Promise.all to go through them and called then afterwards. ... moving on to the next iteration? See Question&Answers more detail:os...

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

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460 views

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node.js - What is the purpose of .bin folder in node_modules?

Today one colleague explained me how to create nodejs projects and I notice that in ./node_modules there is an ... What is it created for? See Question&Answers more detail:os...

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

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502 views

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node.js - bower is not recognised as an internal or external command

I have successfully installed nodejs, and express framework, however I downloaded bower via npm install -g bower which ... I cannot locate it. See Question&Answers more detail:os...

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

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623 views

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node.js - Glob matching, exclude all JS files

I'm a new user to gulp.js. I'd like to move all of my non-javascript files to a build directory. What I ... search string to behave as I'd like? See Question&Answers more detail:os...

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

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251 views

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node.js - Node JS Error: ENOENT

I'm following along with: The Node Beginner Book After testing with the code from another SO post: var Fs ... stumped, any help appreciated. See Question&Answers more detail:os...

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

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474 views

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node.js - Express + Nginx. Can't serve static files

This is my project folder / public/ index.html main.js adaptor.js main.css node_modules/ socket.io/ index.js and ... isn't working in this case. See Question&Answers more detail:os...

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

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364 views

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node.js - Migrating Express.js 2 to 3, specifically app.dynamicHelpers() to app.locals.use?

Updated Express.js from version 2 to 3, and the following call to app.dynamicHelpers({..}) broke as it is no ... SO post: nodejs express 3.0 See Question&Answers more detail:os...

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

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1.2k views

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node.js - Express + Postman, req.body is empty

I know this has been asked multiple times, but I have been looking around and still can't find an answer ... really appreciate any help. 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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438 views

1 answer

node.js - ExpressJS session expiring despite activity

Bringing this question to SO since the express group didn't have an answer. I'm setting the session ... modification (hashed session json) See Question&Answers more detail:os...

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

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390 views

1 answer

node.js - Create a zip file on S3 from files on S3 using Lambda Node

I need to create a Zip file that consists of a selection of files (videos and images) located in my s3 ... Any help would be much appreciated. See Question&Answers more detail:os...

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

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295 views

1 answer

node.js - Verify database connection with pg-promise when starting an app

I am building an express application that connects to a postgres database using the pg-promise module. I would ... does not return a promise. See Question&Answers more detail:os...

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

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345 views

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node.js - Why does mongoose use schema when mongodb's benefit is supposed to be that it's schema-less?

I am a super newbie to mongodb. I am using mongoose to access mongodb from node.js, and know how to get ... someone enlighten me? thank you. See Question&Answers more detail:os...

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

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585 views

1 answer

node.js - What's the better approach: serving static files with Express or nginx?

I'm building a Node.js applications and I'm using nginx as a reverse proxy. My application has some static ... face while using each approach? See Question&Answers more detail:os...

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

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489 views

1 answer

node.js - 'create-react-app' is not recognized as an internal or external command

I am trying to set up react app using create-react-app command on windows pc. I already ... pm ode_modulescreate-react-app See Question&Answers more detail:os...

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

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291 views

1 answer

node.js - Cloud Functions for Firebase - action on email verified

Im trying to create a Cloud Function trigger that will execute after email has been verified. In the ... verification view/dialog webpage? See Question&Answers more detail:os...

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

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367 views

1 answer

node.js - How to set useMongoClient (Mongoose 4.11.0)?

This is the code I use to connect to my database: private connectDatabase(databaseUri: string): Promise<Mongoose. ... guys know how to? See Question&Answers more detail:os...

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

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298 views

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node.js - Unable to Change Favicon with Express.js

This is a really basic question, but I'm trying to change the favicon of my node.js/Express app with ... my answer below for more information. See Question&Answers more detail:os...

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

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338 views

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node.js - nodejs mongodb object id to string

IN nodejs, with mongodb, mongoosejs as orm I am doing this I have a model, User User.findOne({username:' ... get the _id to string then? See Question&Answers more detail:os...

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

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277 views

1 answer

node.js - How can I dynamically generate test cases in javascript/node?

The nose testing framework (for python) supports dynamically generating test cases at run-time (the following, from the ... in a CI setup. See Question&Answers more detail:os...

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

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296 views

1 answer

node.js - Find absolute base path of the project directory

Until now we could get the absolute path of a file to open later as readStream with this code snippet: var ... process some bigger data files? See Question&Answers more detail:os...

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

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584 views

1 answer

node.js - Accessing EJS variable in Javascript logic

I'm working on a Node.js app (it's a game). In this case, I have some code set up such that ... display them properly on the screen. 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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453 views

1 answer

node.js - npm `wanted` vs `latest`

I use npm to install some command line tools. Having the itch to always be up to date, I found the command npm ... line, not any node.js code)? See Question&Answers more detail:os...

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

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