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code ~/.zshrc | |
# add => "setopt HIST_IGNORE_ALL_DUPS" | |
omz reload | |
cp $HISTFILE ${HISTFILE}.backup | |
awk '!a[$0]++' ${HISTFILE}.backup > $HISTFILE |
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const crypto = require('crypto'); | |
const { publicKey, privateKey } = crypto.generateKeyPairSync('rsa', { | |
modulusLength: 2048, | |
publicKeyEncoding: { | |
type: 'pkcs1', | |
format: 'pem' | |
}, | |
privateKeyEncoding: { | |
type: 'pkcs8', |
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aliases: | |
- &restore-yarn-cache | |
keys: | |
- v1-dependencies-{{ checksum "package.json" }} | |
# fallback to using the latest cache if no exact match is found | |
- v1-dependencies- | |
- &save-yarn-cache | |
paths: | |
- node_modules |
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const normalColor = number => number > 255 ? 255 : number < 0 ? 0 : number | |
const toHEX = color => Number(normalColor(color)).toString(16).toUpperCase() | |
const normalHEX = hex => ((hexi = toHEX(hex)) => hexi.toString().length < 2 ? '0' + hexi : hexi)() | |
const rgb = (r,g,b) => normalHEX(r) + normalHEX(g) + normalHEX(b) | |
Test.assertEquals(rgb(0, 0, 0), '000000') | |
Test.assertEquals(rgb(0, 0, -20), '000000') | |
Test.assertEquals(rgb(300,255,255), 'FFFFFF') | |
Test.assertEquals(rgb(173,255,47), 'ADFF2F') |
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#!/usr/bin/env node | |
if (process.platform == 'win32') { | |
process.exit(0) | |
} | |
const { spawn } = require('child_process') | |
const packages = ['webpack'] | |
const yarnAdd = ['yarn', 'add', '-D'] |
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export NPM_TOKEN="00000000-0000-0000-0000-000000000000" | |
# .npmrc | |
package-lock=false | |
//registry.npmjs.org/:_authToken=${NPM_TOKEN} |
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const start = new Date() | |
const hrstart = process.hrtime() | |
const simulateTime = 500 | |
setTimeout(function(argument) { | |
// execution time simulated with setTimeout function | |
const end = new Date() - start | |
const hrend = process.hrtime(hrstart) | |
console.info('Execution time: %dms', end) |
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<div id="root"></div> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.21.1/babel.min.js"></script> | |
<script> | |
Babel.registerPreset("custom-preset", { | |
presets: [ | |
[Babel.availablePresets["es2015"]], | |
], | |
plugins: [ | |
Babel.availablePlugins["syntax-jsx"], | |
[Babel.availablePlugins["transform-react-jsx"], { |
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dig +short google.com | |
host google.com | |
nslookup google.com |
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const int LED = 13; | |
const int PWR = 12; | |
char blueName[4] = "lazy"; | |
char pin[5] = "0000"; | |
char blueSpeed = "4"; | |
char mode = "1"; // 0 slave, 1 master | |
void setup() { | |
pinMode(LED, OUTPUT); |
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