rodrigoalviani’s gists

rodrigoalviani / newid.js

Created September 11, 2023 19:11

Generate alphanumeric ID

	function newid() {
	const base = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"; // base58
	const size = 11;

	let id = new Uint8Array(size);
	crypto.getRandomValues(id);

	let result = "";

	for (let i = 0; i < size; i++) {

rodrigoalviani / plate-snitch.js

Created August 29, 2017 13:45 — forked from taitems/plate-snitch.js

(Extract) Check the status of a vehicle registration and scrape results.

	// Open form and submit enquire for `rego`
	function getInfo(rego) {
	horseman
	.userAgent('Mozilla/5.0 (Windows NT 6.1; WOW64; rv:27.0) Gecko/20100101 Firefox/27.0')
	.open(url)
	.type('#registration-number-ctrl input[type=text]', rego)
	.click('.btn-holder input')
	.waitForSelector('.ctrl-holder.ctrl-readonly')
	.html()
	.then(function(body) {

rodrigoalviani / gist:d9267df0974fcd393b1615aeece6ec2e

Created July 11, 2017 12:39

Check flash cards integrity

	// SCRIPT

	#!/bin/bash
	dd if=/dev/urandom bs=1M count=1 of=somerandom
	for i in $(seq 1 1000)
	do
	thisblock=$(shuf -i 0-63999 -n 1)
	sudo dd if=somerandom of=/dev/mmcblk0 bs=1M seek=$thisblock
	sudo sync
	sudo dd if=/dev/mmcblk0 skip=$thisblock bs=1M count=1 \| diff - somerandom

rodrigoalviani / watermarkImage().js

Created June 12, 2017 16:56 — forked from westc/watermarkImage().js

Add a watermark text to the bottom right of any image element on the page that is on the same domain.

	function watermarkImage(elemImage, text) {
	// Create test image to get proper dimensions of the image.
	var testImage = new Image();
	testImage.onload = function() {
	var h = testImage.height, w = testImage.width, img = new Image();
	// Once the image with the SVG of the watermark is loaded...
	img.onload = function() {
	// Make canvas with image and watermark
	var canvas = Object.assign(document.createElement('canvas'), {width: w, height: h});
	var ctx = canvas.getContext('2d');

rodrigoalviani / Sense.file

Created August 10, 2016 13:57

ElasticSearch Aggregation test

	DELETE test

	PUT test/test/1
	{"make":{"id":12,"name":"fiat"},"model":{"id":121,"name":"strada"}}
	PUT test/test/2
	{"make":{"id":12,"name":"fiat"},"model":{"id":122,"name":"palio"}}
	PUT test/test/3
	{"make":{"id":12,"name":"fiat"},"model":{"id":123,"name":"ka"}}
	PUT test/test/4
	{"make":{"id":12,"name":"fiat"},"model":{"id":124,"name":"uno"}}

rodrigoalviani / webspider.hs

Created January 5, 2016 10:04 — forked from shangaslammi/webspider.hs

Haskell Web Spider example


	import Control.Exception
	import Control.Monad
	import Control.Monad.IO.Class
	import Data.ByteString.Lazy (ByteString)
	import Data.ByteString.Lazy.UTF8 (toString)
	import Data.Function
	import Data.Enumerator
	import Data.List
	import Data.Maybe

rodrigoalviani / crawler haskell

Created January 5, 2016 10:04 — forked from apeyroux/crawler haskell

	-- \| URL Doc : http://hackage.haskell.org/package/url-2.1.3/docs/Network-URL.html
	module Page where

	import Network.URL
	import Network.Curl
	import Text.XML.HXT.Core
	import Text.HandsomeSoup

	data Page = Page {
	title :: String,

rodrigoalviani / accent_replace.php

Created December 10, 2015 18:34

Remove accents

	<?
	preg_replace("/&([a-z])[a-z]+;/i", "$1", htmlentities($valor));

rodrigoalviani / tor_curl.php

Created November 17, 2015 14:27 — forked from zachflower/tor_curl.php

How To Anonymize PHP cURL Requests Using Tor

	<?php

	$ip = '127.0.0.1';
	$port = '9051';
	$auth = 'PASSWORD';
	$command = 'signal NEWNYM';

	$fp = fsockopen($ip,$port,$error_number,$err_string,10);
	if(!$fp) { echo "ERROR: $error_number : $err_string";
	return false;

rodrigoalviani / colorContrast.js

Created September 15, 2015 19:02

Get best contrast to a given color

Rodrigo Alviani rodrigoalviani