How to remove a file on Background on Route of Express/Nodejs
exports.func = (req, res) => { const fpath = res.locals.fpath res.on('finish', () => { fs.unlink(fpath, (err) => { if(err) {…
Tech
kevin-tofu How to create range Array in Javascript
function make_ranged_array(start, length){ return [...Array(length)].map((_, i) => { return start + i }) }
How to use namedtuple via `typing`
You can do ‘dot access’ instead of key access. It looks smart way compare with dictonary. You can inherit Person…
TypeScript Project Setup
npm init -y npm install typescript ts-node @types/node --save-dev npx tsc --init touch main.ts npx ts-node main.ts
How to Check Volume Occupancy in Storage in your Computer (Ubuntu)
In your disk In your directory The main difference is that the first command displays the total size of each…
How to transfer files using Axios
const axios = require('axios') const FormData = require('form-data') const crypto = require('crypto') // const fs = require('fs') const get_image(url) =>…
Remove jpg files with conditions via bash
for f in ./*.jpg do echo $f echo ${#f} if [ ${#f} -gt 20] then rm $f fi done
Password Creation using htpasswd to Do Basic Authentication or Digest authentication on ubuntu
Basic Authentication Basic authentication has been used for many web services like Nginx. In Basic authentication, the username/password pair is…
Firebase 9 Authentication using React-Router v6
Firebase has a huge impact on web engineers in that development cost is surprisingly getting less to develop. We can…