Having fun

Chaiwat S iwat

Having fun

Software developer, code for living.

iwat / main.go

Created August 8, 2017 07:04

Luhn Generator

	// Given a first 6 digits and last 4 digits.
	// It will generate full 16-digit PANs that satisfy Luhn algorithm.
	package main

	import (
	"flag"
	"fmt"
	"strconv"
	"strings"
	)

iwat / main.go

Last active August 8, 2017 07:10

Find hash collision for limited data/hash size.

	// Result, using input string from 0 to 999999.
	// It finds some conflict if the hash size is 4 bytes,
	// no conflict found if hash size is 6 bytes.
	package main

	import (
	"crypto/hmac"
	"crypto/sha256"
	"encoding/hex"
	"fmt"

iwat / Simple IO PerfTest against Docker.md

Last active November 10, 2017 03:42

Machine

macOS:       Sierra 10.12.6 (16G29)
MacBook Pro: (Retina, 13-inch, Early 2015)
Processor:   2.7 GHz Intel Core i5

iwat / .gitattributes_global

Created November 10, 2017 08:08

My Git Config

*.rb diff=ruby

iwat / VirtualBox_Uninstall.tool

Created December 4, 2017 07:41

Uninstall VirtualBox

	#!/bin/bash
	# $Id: VirtualBox_Uninstall.tool 101252 2015-06-24 13:07:35Z bird $
	## @file
	# VirtualBox Uninstaller Script.
	#

	#
	# Copyright (C) 2007-2015 Oracle Corporation
	#
	# This file is part of VirtualBox Open Source Edition (OSE), as

iwat / 144ppi.md

Last active February 16, 2018 08:40

144ppi

iwat / gist:93629f67604dc3fd59f6b8bc23accd9b

Created February 13, 2021 05:17

TradingView - Remove ads

	// ==UserScript==
	// @name TradingView - Remove ads
	// @version 0.1
	// @description Does what it says.
	// @author Chaiwat
	// @include https://www.tradingview.com/chart/*
	// @grant none
	// ==/UserScript==

	(function() {