feliperohdee’s gists

feliperohdee / Worker.js

Created January 28, 2021 21:47

Simple RXJS based worker broker

	const workerThreads = require('worker_threads');
	const rx = require('rxjs');

	class Worker {
	constructor(file, data) {
	this.messageId = 0;
	this.callbacks = new Map();
	this.client = new workerThreads.Worker(file, {
	workerData: {
	id: Date.now(),

feliperohdee / u.json

Created July 13, 2020 17:20

rohde monokai mothafãck

	"workbench.colorCustomizations": {
	"[Monokai]": {
	"activityBar.background": "#17191a",
	"activityBar.border": "#363738",
	"badge.background": "#17191a",
	"editor.background": "#26292e",
	"editorGroupHeader.tabsBackground": "#17191a",
	"editorHoverWidget.background": "#17191a",
	"editorHoverWidget.border": "#363738",
	"focusBorder": "#00000000",

feliperohdee / AWS.js

Created April 27, 2020 01:52

s3 based cache

	const _ = require('lodash');
	const AWS = require('aws-sdk');
	const rx = require('rxjs');
	const rxop = require('rxjs/operators');

	AWS.config.update({
	accessKeyId: process.env.ACCESS_KEY_ID,
	secretAccessKey: process.env.SECRET_ACCESS_KEY,
	region: process.env.REGION
	});

feliperohdee / patterns.html

Created April 8, 2020 13:31

svg patterns

	<!DOCTYPE html>
	<html lang="en">

	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Patterns.html</title>
	</head>

	<body>

feliperohdee / intercept.js

Created February 8, 2020 18:04

chrome.debugger intercept scripts

	(async () => {
	const scripts = new Map([
	['app', chrome.runtime.getURL('static/app.js')],
	['app2', chrome.runtime.getURL('static/app2.js')],
	['progress', chrome.runtime.getURL('static/progress.js')]
	]);

	const p = async (fn, ...args) => {
	return new Promise((resolve, reject) => {
	return fn(...[...args, (...response) => {

feliperohdee / cache.js

Created December 11, 2019 18:22

LRU cache

	const _ = require('lodash');
	const LRU = require('lru-cache');

	class Cache {
	constructor(maxSizeInMB = 128) {
	this.lru = new LRU({
	max: maxSizeInMB * 1e+6,
	length: n => Buffer.byteLength(n, 'utf8')
	});
	}

feliperohdee / loader.js

Created July 23, 2019 12:50

on demand script loader

	export const loadScript = (id, url, test) => new Promise(resolve => {
	let s = document.getElementById(id);

	if (!s) {
	s = document.createElement('script');
	s.setAttribute('id', id);
	s.defer = true;
	s.src = url;
	document.body.appendChild(s);
	}

feliperohdee / classic solution

Created January 30, 2019 12:08

	import React, { Component } from 'react';
	import { Image, Button, Icon} from 'semantic-ui-react';
	import Style from './card1.module.css';
	import Photo from '../food.jpg';

	class Card1 extends Component {
	constructor(props) {
	super(props);

	const {

feliperohdee / index.js

Created May 30, 2018 12:38

AWS Lambda: Reusing database connections

	const Redis = require('ioredis');
	const redis = new Redis();

	exports.handler = (event, context, callback) => {
	context.callbackWaitsForEmptyEventLoop = false;

	redis.pipeline()
	.set('a', 'b')
	.get('a')
	.exec()

feliperohdee / disable-transparent-hugepages

Last active February 18, 2019 18:41

scripts used to setup redis on ec2 (https://medium.com/@feliperohdee/installing-redis-to-an-aws-ec2-machine-2e2c4c443b68)

	#!/bin/bash
	### BEGIN INIT INFO
	# Provides: disable-transparent-hugepages
	# Default-Start: 2 3 4 5
	# Default-Stop: 0 1 6
	# Short-Description: Disable Linux transparent huge pages
	# Description: Disable Linux transparent huge pages, to improve
	# database performance.
	### END INIT INFO

Felipe Rohde feliperohdee