Tim Garcia tigarcia

Step 1: Create sol User With SSH Access

Assuming you are logged into the remote machine with sudo privledges

sudo useradd sol
sudo usermod -aG sudo sol

Next verify that the sol user has sudo privledges:

sudo ls /root/

Solana 1.9.x Release Overview For Validators

The new 1.9.x release will be landing in mainnet soon. Here are some important new features to be aware of for validators:

1. Incremental snapshots

Snapshot size has become very large (On the order of 20 to 30GB to get a validator up and running). This change creates smaller incremental snapshots. Important: Once a validator starts using incremental snapshots, it cannot go back to version 1.8.

Recommended Upgrade Procedure:

Codewars Problems

8 KYU

Functional Programming in JavaScript

Objectives:

Define what functional programming is
Define what a pure function is
Use built in functional methods forEach, filter, map, reduce
Understand key components of functional programming like composition and currying
Write curry, compose and flow functions

	const upperCaseFirstLetter = word => `${word[0].toUpperCase()}${word.slice(1)}`;
	const upperCaseWords = s => s.split(" ").map(w => upperCaseFirstLetter(w)).join(" ");

	console.log(upperCaseWords("code example to refactor"));

	/*
	or


	const upperCaseFirstLetter = word => `${word[0].toUpperCase()}${word.slice(1)}`;

	function upperCaseFirstLetter(word) {
	return word[0].toUpperCase() + word.slice(1);
	}

	function upperCaseWords(sentence) {
	var words = sentence.split(" ");
	for (var i = 0; i < words.length; i++) {
	words[i] = upperCaseFirstLetter(words[i]);
	}
	return words.join(" ");

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<title>Document</title>
	</head>
	<body>
	<div id="app"></div>
	<script src="https://unpkg.com/[email protected]/umd/react.production.min.js"></script>
	<script src="https://unpkg.com/[email protected]/umd/react-dom.production.min.js"></script>

	var ids = ["tt3748528", "tt3470600", "tt3521164", "tt4972582", "tt1355644", "tt1082807", "tt2034800", "tt2119532", "tt1679335", "tt4501244", "tt4975722", "tt2094766", "tt2543164", "tt3183660", "tt0490215", "tt4550098", "tt4572514", "tt3783958", "tt2592614", "tt3385516", "tt1211837", "tt4846340", "tt3741834", "tt4034228", "tt4954522", "tt1386697", "tt1711525", "tt1212428", "tt3631112", "tt3640424", "tt2671706", "tt1431045", "tt1289401", "tt5073620", "tt1895315", "tt2361317", "tt4682786", "tt3387266", "tt3717252", "tt2140479", "tt2788732", "tt2660888", "tt4540710", "tt2948356", "tt1700841", "tt1564777", "tt1878870", "tt4838534", "tt2674426", "tt3553976"];
	var movieData = [
	{
	"Title": "Rogue One",
	"Year": "2016",
	"Rated": "PG-13",
	"Released": "16 Dec 2016",
	"Runtime": "133 min",
	"Genre": "Action, Adventure, Sci-Fi",
	"Director": "Gareth Edwards",

	// npm install --save twitter dotenv sentiment

	require('dotenv').config();
	const Twitter = require('twitter');
	const sentiment = require('sentiment');
	const rpio = require('rpio');
	const Promise = require('bluebird');

	function delay(ms) {
	var deferred = Promise.pending();


	import RPi.GPIO as GPIO
	import time

	led = 11

	GPIO.setmode(GPIO.BOARD)
	GPIO.setup(led, GPIO.OUT)
	GPIO.output(led, GPIO.HIGH)
	time.sleep(2)