celsopalmeiraneto

Celso's Linux / Unix Cheat Sheet

Applications

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Print Kernel and other software / device info, including Linux version:

uname -a

celsopalmeiraneto

const { PerformanceObserver, performance } = require("node:perf_hooks");

const calculateWeight = (item) => {
  const random = Math.random();
  return Math.trunc(random * 1000);
};

const groupItemsByWeightImmutable = (items) =>
  items.reduce((acc, item) => {
    const weight = calculateWeight(item);

celsopalmeiraneto

import { SoilAssertion, assertSoilFertilized, assertSoilPloughed } from 'testB';

interface PlantPotatoes {
  injected: (seeds: string[], soil: string) => Promise<string>;
  dependencies: {
    assertPloughed: SoilAssertion;
    assertFertilized: SoilAssertion;
  };
}

celsopalmeiraneto

function readPageAndGenerateResults() {
  function getBRLToUSD() {
    const text = document.querySelector('.tabla_datos:nth-of-type(2) table:nth-of-type(2) tr:last-of-type td:last-of-type').textContent;
    return parseNumber(text);
  }

  function getCCLedgers() {
    const exchangeRate = getBRLToUSD();
    const ledger = Array.from(document.querySelector('.tabla_datos:nth-of-type(1) table tbody').rows);

celsopalmeiraneto

function convertCamelCaseToSnakeCase(text) {
  const inputLines = text.split('\n');
  const outputLines = inputLines.map((line) => {
    return Array.from(line).reduce((acc, v, i) => {
      if (i == 0) {
        acc += v.toLocaleLowerCase();
        return acc;
      }
      if (v.toLocaleUpperCase() == v) {
        acc += '_';