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Other 2022-03-27 19:45:11
ReferenceError: require is not defined site:stackoverflow.com
const cors = require('cors'); const express = require('express'); const bodyParser = require('body-parser'); var http = require('http'); http.createServer(function (request, response) { response.writeHead(200, { 'Content-Type': 'text/plain' }); ... Add solution -
TypeScript 2022-03-25 01:30:13
?? Operator in TypeScript
"Nullish Coalescing" If the left operand is null or undefined, the ?? expression evaluates to the right operand: null ?? "n/a" // "n/a" undefined ?? "n/a" // "n/a" Otherwise, the ?? expression evaluat... Add solution -
Javascript 2022-03-05 09:55:02
react native text strings must be rendered within a text
For me the following code works fine, as long as this.state.error === undefined or it is not an empty string. render() { return ( <View> {this.state.error && <Text> Error message: {this.state.error} ... Add solution -
Javascript 2022-03-02 12:15:04
app.post (req res) get data
const express=require('express'); const app=express(); //accept Post with no midleWare express app.post("/register/",function(req,res){ var bodyStr = ''; req.on("data",function(chunk){ bodyStr += chunk.toString(); }... Add solution -
Javascript 2022-02-27 17:35:20
next js shared hosting without node js
const { createServer } = require("http"); const { parse } = require("url"); const next = require("next"); const dev = process.env.NODE_ENV !== "production"; const port = !dev ? process.env.PORT : 3000; // Create t... Add solution -
PHP 2022-02-24 14:30:02
how to programmatically set a cron job in php
//The stackoverflow link with detailed explanation https://stackoverflow.com/questions/23544851/how-to-set-up-a-cron-job-programmatically // Create a cron job require_once 'xmlapi.php'; /* * Instanciate the class, setting up username/password/IP * @... Add solution -
Python 2022-02-19 09:10:31
elif python
The elif statement allows you to check multiple expressions for TRUE and execute a block of code as soon as one of the conditions evaluates to TRUE. Similar to the else, the elif statement is optional. However, unlike else, for which there can be at most... Add solution -
Javascript 2022-02-13 05:20:08
how to find the current date and time of a city in js
var loc = '35.731252, 139.730291' // Tokyo expressed as lat,lng tuple var targetDate = new Date() // Current date/time of user computer var timestamp = targetDate.getTime()/1000 + targetDate.getTimezoneOffset() * 60 // Current UTC date/time expressed as s... Add solution -
Javascript 2022-02-03 05:35:46
9.4.1.3. Update Expression¶ // Loops
/*The final component in a for loop definition is the update expression, which executes after every iteration of the loop. While this expression may be anything, it most often updates the value of the loop variable. In all of the examples we have seen s... Add solution