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var data = [[1,2,[3,4,[5,6]]],7];

function flatten(array) {
	var output = [];
  array.forEach(function(value) {
  	if(value instanceof Array) {
    		output = output.concat(flatten(value));
    } else {
      	output.push(value)
    }

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Tech Interview Cheat Sheet

Data Structure Basics

Array

Definition:

• Stores data elements based on an sequential, most commonly 0 based, index.
• Based on tuples (a finite ordered list of elements) from set theory.
• They are one of the oldest, most commonly used data structures.

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/** recursively search in the tree where the current value can be inserted */
function find(value, node) {
	if(node.value === undefined || node.value === value) {
		return node;
	}
	if(node.value > value) {
		return find(value, node.left);
	}
	return find(value, node.right);
}

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/**
 * CSV Parser.  Takes a string as input and returns
 * an array of arrays (for each row).
 * 
 * @param input String, CSV input
 * @param options.delimiter String, single character used to separate fields.
 *        Defaults to null, if null, tries to guess it.
 * @param doptions.quote String, single character used to quote non-simple fields.
 *        Defaults to "\"".
 */

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# Rename local and remote branch
OLD_BRANCH=name_of_old_branch               # Replace with the name of your old branch
NEW_BRANCH=name_of_new_branch               # Replace with the name of the new branch
git checkout $OLD_BRANCH
git pull
git branch -m $OLD_BRANCH $NEW_BRANCH
git push origin :$OLD_BRANCH --no-verify
git push --set-upstream origin $NEW_BRANCH --no-verify

##################################################################################################################

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What to do after installing linux

Prevent freeze at boot

add nouveau.modeset=0 to to GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub
and run
sudo update-grub2

SSD optimizations

No Writes for Read Timestamps

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/*
replace XXX by the id of the file you want to download. You can add as many as you want
to get the ID, first get the share URL :
https://drive.google.com/file/d/1LHsdf3leinq1wCertnwFVGertertHrfB/view?usp=sharing
the id in this example is :
1LHsdf3leinq1wCertnwFVGertertHrfB
*/
const https = require('https');
[
	'XXX',

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{"lastUpload":"2019-12-05T09:59:36.024Z","extensionVersion":"v3.4.3"}