Guilherme Emilio Raduenz skrater

skrater / gauge.jsx

Created January 20, 2021 00:27

React SVG Gauge

	import React, {useMemo} from 'react';

	const GaugeDefaults = {
	centerX: 50,
	centerY: 50,
	};

	/**
	* Gets cartesian co-ordinates for a specified radius and angle (in degrees)
	* @param cx {Number} The center x co-oriinate

skrater / wordcount.py

Last active August 3, 2020 18:39

	import re
	from collections import Counter


	def term_frequency_featurization(texts):
	for text in texts:
	words = re.findall(r'\w+', text.lower())
	yield dict(Counter(words))

	def main():

skrater / trap_bom.go

Created May 12, 2020 18:17

Seeks UTF-8 BOM before reading CSV

	package main

	import (
	"io"
	"bytes"
	)

	var bom = []byte("\xef\xbb\xbf")

	func trapBOM(rws io.ReadWriteSeeker) error {

skrater / regex.pl

Created December 3, 2019 21:53

	use strict;

	my $filename = $ARGV[0];
	my $line = $ARGV[1];

	open my $fh, '<', $filename or die "Can't open file $!";
	my $file_content = do { local $/; <$fh> };

	my $regex = qr/$line.*?(?=AUTO_INCREMENT=([0-9]+))/sp;

skrater / webpack.config.js

Created November 28, 2019 13:11

React webpack config for dev and production build

	const { join, resolve } = require('path')
	const { main } = require(join(__dirname, 'package.json'))
	const TerserPlugin = require('terser-webpack-plugin')

	const rules = [
	{
	test: /\.(js\|jsx)$/,
	loader: 'babel-loader',
	},
	{

skrater / topic.py

Created June 12, 2019 13:51

skrater / lazy-load.js

Created June 5, 2019 00:12

Cloud flare worker lazy load js

	addEventListener("fetch", event => {
	event.respondWith(handle(event.request));
	});

	const urls = {
	'certificate': 'https://static.eventials.com/evCertificate/assets/ev-certificates.$HASH.js'
	}

	const hashes = {
	'certificate': '79fa861b49cdc1a2f7aa'

skrater / postgres_queries_and_commands.sql

Created October 31, 2018 17:22 — forked from rgreenjr/postgres_queries_and_commands.sql

Useful PostgreSQL Queries and Commands

	-- show running queries (pre 9.2)
	SELECT procpid, age(clock_timestamp(), query_start), usename, current_query
	FROM pg_stat_activity
	WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%'
	ORDER BY query_start desc;

	-- show running queries (9.2)
	SELECT pid, age(clock_timestamp(), query_start), usename, query
	FROM pg_stat_activity
	WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%'

skrater / mse_ws_vp8.html

Created May 8, 2017 02:05

Websocket Media Source Extensions