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module.exports = {
  env: {
    es2020: true,
    node: true,
  },
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaFeatures: {
      jsx: true,
    },

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const fs = require("fs");
 
const writeToFile = (file, data) =>
  new Promise((resolve, reject) => {
    try {
      if (file) {
        fs.writeFile(file, data, err => {
          if (err) {
            console.log("writeFile error: ", err);
            resolve({ error: true })

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const chalk = require('chalk');
const { exec } = require("child_process");
const util = require('util');
const execCommand = (command, displayError = true) => {
  return new Promise(async (resolve, reject) => {
    try {
      const execPromise = util.promisify(exec);
      const { stdout, error } = await execPromise(command, { cwd: process.cwd() })
      if (stdout) {
        return resolve({ stdout, error: false })

rikkrome

React Native Performance Tips

• Lazy loading screens
  • bottom tabs & top tabs
• Tracking renders
  • counting the amount of times a component renders.
  • added a custom useRef() hook into all components / child components.

import { useRef } from 'react';

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#   -------------------------------
#     ENVIRONMENT CONFIGURATION
#   -------------------------------
#   Change Prompt
#   ------------------------------------------------------------

# PS1 settings 
# ---------------------------------------------------
# colors
export COLOR_NC='\e[0m' # No Color

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Studying for a Tech Interview Sucks, so Here's a Cheat Sheet to Help

This list is meant to be a both a quick guide and reference for further research into these topics. It's basically a summary of that comp sci course you never took or forgot about, so there's no way it can cover everything in depth. It also will be available as a gist on Github for everyone to edit and add to.

Data Structure Basics

###Array ####Definition:

• Stores data elements based on an sequential, most commonly 0 based, index.
• Based on tuples from set theory.

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{

    function LinkedList() {
        this.head = null;
        this.tail = null;
    }
    function Node(value, next, prev) {
        this.value = value;
        this.next = next;
        this.prev = prev;

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// server.js file
const express = require('express');
const mongoose = require('mongoose');
const app = express();

//
// ─── DATABASE ───────────────────────────────────────────────────────────────────
//

// DB Config

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// DB Config
const db = require('./config/keys').mongoURI;

// connect to mongoDB
mongoose
  .connect(db)
  .then(() => {
    console.log('MongoDB Connected');
  })
  .catch(err => {

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// replace <dbuser>: with your admin's username
// replace <dbpassword> with your admin's password
module.exports = {
  mongoURI: 'mongodb://<dbuser>:<dbpassword>@ds123456.mlab.com:1234556/project-name'
}