View _app.tsx
| import { AppProps } from 'next/app' | |
| import Head from 'next/head' | |
| const App = ({ Component, pageProps }: AppProps) => ( | |
| <> | |
| <Head> | |
| <meta | |
| name="viewport" | |
| content="width=device-width, initial-scale=1, shrink-to-fit=no" | |
| /> |
elzup
/ 0->100 arrow functions
Last active Nov 28, 2020
Goal: 100 Arrow functions, Anonymous function, lambda, closure example.
View 0->100 arrow functions
| ... | |
| checks | |
| // no args | |
| // block | |
| // implicit parameter | |
| // assign |
elzup
/ perrin-prime-check.ts
Created Nov 6, 2020
View perrin-prime-check.ts
| // perrin(n) / n === 0 | |
| // = | |
| // isPrime(n) | |
| const perrinMemo: [bigint, bigint, bigint] = [0n, 2n, 3n] | |
| const primeMemo: number[] = [2, 3] | |
| function perrinNext(): bigint { | |
| const next = perrinMemo[0] + perrinMemo[1] | |
| perrinMemo[0] = perrinMemo[1] |
View make_badge.sh
| #!/bin/bash | |
| # this script dependence "pup", "jq" | |
| USERNAME=$1 | |
| SELECTOR='tr:nth-child(2) span:nth-child(1) json{}' | |
| USERDATA=$(curl -s https://atcoder.jp/users/$USERNAME |pup $SELECTOR) | |
| COLOR=$(echo $USERDATA |jq --raw-output ".[0].class" |sed 's/user-//') | |
| RATE=$(echo $USERDATA |jq --raw-output ".[0].text") |
elzup
/ make_badge.sh
Created Mar 9, 2020
View make_badge.sh
| #!/bin/bash | |
| # this script dependence "pup", "jq" | |
| USERNAME=$1 | |
| SELECTOR='tr:nth-child(2) span:nth-child(1) json{}' | |
| USERDATA=$(curl -s https://atcoder.jp/users/$USERNAME |pup $SELECTOR) | |
| COLOR=$(echo $USERDATA |jq --raw-output ".[0].class" |sed 's/user-//') | |
| RATE=$(echo $USERDATA |jq --raw-output ".[0].text") |
elzup
/ package.json
Created Mar 9, 2020
View package.json
| { | |
| "name": "competitive-pg-wrokspace", | |
| "version": "1.0.0", | |
| "main": "index.js", | |
| "author": "elzup <guild0105@gmail.com>", | |
| "license": "MIT", | |
| "devDependencies": { | |
| "@types/node": "^13.5.3", | |
| "atcoder-cli": "^2.0.4", | |
| "eslint": "^6.8.0", |
View day-changed.js
| const nextDay = () => new Date().setHours(0, 0, 0, 0) + 24 * 60 * 60 * 1000 | |
| const tommorowFromNow = () => nextDay() - new Date() | |
| setTimeout(() => { | |
| // code | |
| }, tommorowFromNow()) |
View cdr-recent-dirs-clean.sh
| #!/bin/sh | |
| cat ~/.chpwd-recent-dirs \ | |
| | sed -e 's/^..\(.*\)./\1/g' \ | |
| | while read line | |
| do | |
| if [ -d "$line" ]; then | |
| echo "\$'$line'" | |
| fi | |
| done |
elzup
/ functions_index.js
Last active Jan 9, 2020
Cloud Functions から Firebase Cloud Messaging を呼び出す最小構成
View functions_index.js
| import * as functions from 'firebase-functions' | |
| import * as admin from 'firebase-admin' | |
| admin.initializeApp({ | |
| credential: admin.credential.applicationDefault(), | |
| // databaseURL: 'https://hoge.firebaseio.com/', | |
| }) | |
| export const api = functions.https.onRequest(async (req, res) => { | |
| const message = { |
View gh-pages.yml
| name: GitHub Pages | |
| on: | |
| push: | |
| branches: | |
| - master | |
| jobs: | |
| build-deploy: |
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