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Scrape twitter

Sep 2, 2023LeifMessinger
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More JavaScript Posts

Clone an array

Nov 19, 2022CodeCatch

0 likes • 1 view

// `arr` is an array
const clone = arr => arr.slice(0);
// Or
const clone = arr => [...arr];
// Or
const clone = arr => Array.from(arr);
// Or
const clone = arr => arr.map(x => x);
// Or
const clone = arr => JSON.parse(JSON.stringify(arr));
// Or
const clone = arr => arr.concat([]);

Extracting components

Nov 19, 2022CodeCatch

0 likes • 2 views

function formatDate(date) {
return date.toLocaleDateString();
}
function Comment(props) {
return (
<div className="Comment">
<div className="UserInfo">
<img
className="Avatar"
src={props.author.avatarUrl}
alt={props.author.name}
/>
<div className="UserInfo-name">
{props.author.name}
</div>
</div>
<div className="Comment-text">{props.text}</div>
<div className="Comment-date">
{formatDate(props.date)}
</div>
</div>
);
}
const comment = {
date: new Date(),
text: 'I hope you enjoy learning React!',
author: {
name: 'Hello Kitty',
avatarUrl: 'https://placekitten.com/g/64/64',
},
};
ReactDOM.render(
<Comment
date={comment.date}
text={comment.text}
author={comment.author}
/>,
document.getElementById('root')
);

Heroku Production Build

Mar 11, 2021C S

1 like • 1 view

if (process.env.NODE_ENV === "production") {
app.use(express.static("client/build"));
app.get("*", (req, res) => {
res.sendFile(path.resolve(__dirname, "client", "build", "index.html"));
});
}

Reverse a string in Java

Nov 20, 2022Helper

0 likes • 2 views

new StringBuilder(hi).reverse().toString()

server js

Apr 10, 2025hasnaoui1

0 likes • 4 views

const express = require('express')
const mongoose = require('mongoose')
const cors = require('cors')
const dotenv = require('dotenv')
const server = express()
dotenv.config()
server.use(express.json())
server.get('/' , (req , res)=>{
res.send('Hello')
})
//4.lancement du serveur
server.listen(process.env.PORT , ()=>{
console.log('server run on http://localhost:'+process.env.PORT)
})

linear search

Nov 19, 2022CodeCatch

0 likes • 3 views

const linearSearch = (arr, item) => {
for (const i in arr) {
if (arr[i] === item) return +i;
}
return -1;
};
linearSearch([2, 9, 9], 9); // 1
linearSearch([2, 9, 9], 7); // -1