261 questions
Hello, I am developing the web with node.js.I'm using mariadb.Suppose you have data from a Web client group as shown below.A 10 20 50B 30 30 50C 85 92 33If you have updated to 10->100 in A here, Th...
As the title saysI'd like to receive the result after receiving the source code and executing it on the server. The server is ubuntu 14.04 and I want to develop it as nodejs.I can't even search becaus...
Hello.I have a question, so I'm posting it like this.I'll explain it with the code first.function a(){ // Function that takes 100-150 ms to spin once. time-consuming at for for(){ // Calculation, cal...
Implementing web as node.js + express.I know it's Wijiwok, so I'm implementing it as a summer note.However, the content of the text in Wijiwok <p>Hi</p><img src=\data:image/png;base64,i...
Creating pagination. I am making a code that receives a page as a query string and loads DB as mongoose and throws it as a view accordingly.var page = req.query.page, perPage = 10;if(page||page!=0||pa...
Hello.I came to Hashcode to solve the blockage after a long time.Thank you always for your reply.Developing in node.js environment.You are using mysql, and you have created a msg, value column, for ex...
Questions about prototypes and inheritance processing on nodes.I'm not good at handling prototypes yet.The source code below briefly blocked.Please check why there is an error;;;;;;JavaScript Prototyp...
Hello.The three queries below are conditions, so I want to write a prerequisite first and write a condition statement, but if one of those queries is undefined, the code stops due to an error.const ge...
const express = require('express');const app = express();var MongoClient = require('mongodb').MongoClient;var url = mongodb://192.168.0.60:27017/;MongoClient.connect(url, function(err, db) { if (err) ...
Hi, how are you?Use the readline-sync package (https://www.npmjs.com/package/readline-sync)Use the code below to enter a password in the console, but you want to hide it with *ten thousandThere is an ...
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