watch and watchEffect in Vue3
import {ref, watch, watchEffect} from 'vue' const a = ref(1); const n = ref(2); const b = ref(null); const c…
January 2023
kevin-tofu Dockerfile for Node using yarn installation
FROM node:alpine3.15 WORKDIR /app COPY ./ ./ RUN yarn install --immutable --immutable-cache --check-cache ENV http_proxy= ENV https_proxy= ENV no_proxy=localhost,127.0.0.1 EXPOSE…
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) {…
Barbershop in Japan and in the US
What’s the difference between barbershops in the US and Japan? Barber shop in the US I went to sports clips…
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) =>…