Kelvin Hu sillykelvin

Coding for fun.

sillykelvin / XIRR.js

Created October 10, 2019 11:07 — forked from ghalimi/XIRR.js

XIRR Function

	// Copyright (c) 2012 Sutoiku, Inc. (MIT License)

	// Some algorithms have been ported from Apache OpenOffice:

	/**************************************************************
	*
	* Licensed to the Apache Software Foundation (ASF) under one
	* or more contributor license agreements. See the NOTICE file
	* distributed with this work for additional information
	* regarding copyright ownership. The ASF licenses this file

sillykelvin / tmux-dev.sh

Created October 9, 2017 08:35

A tmux script to restore work environment quickly after reboot

	#!/bin/sh

	tmux new-session -d -s dev -n fkgfw 'sslocal -v -c own.conf'

	tmux new-window -n src -c '/data/project/src'
	tmux new-window -n dist -c '/data/project/dist'
	tmux new-window -n build -c '/data/project/src/build'
	tmux new-window -n tmp -c '/home/kelvin/tmp'
	tmux new-window -n vm1 'ssh [email protected]'
	tmux new-window -n vm2 'ssh [email protected]'

sillykelvin / generic_dispatcher.cpp

Last active May 11, 2017 07:02

A callback dispatcher with generic types

	#include <memory>
	#include <iostream>
	#include <unordered_map>

	// this is useful when dealing with google protobuf messages, what
	// you get in your message callback is a google::protobuf::Message
	// type, however, what you need is a concrete type, something like
	// LoginRequest/LoginResponse, so you have to do the following:
	//
	// const LoginRequest req = static_cast<const LoginRequest>(msg);

sillykelvin / heap_sort.cpp

Created December 23, 2014 12:36

C++ heap sort

	#include <algorithm>
	#include <iostream>

	using namespace std;

	#define ARR_LEN(arr) (sizeof(arr) / sizeof(arr[0]))

	struct element {
	int id;
	int score;

sillykelvin / tmux_cheatsheet.markdown

Last active August 29, 2015 14:06 — forked from henrik/tmux_cheatsheet.markdown

tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name:

sillykelvin / openssl.py

Created April 14, 2014 08:31 — forked from rixtox/openssl.py

	#!/usr/bin/python

	# Quick and dirty demonstration of CVE-2014-0160 by Jared Stafford ([email protected])
	# The author disclaims copyright to this source code.

	import sys
	import struct
	import socket
	import time
	import select

sillykelvin / delegate.hpp

Created March 20, 2014 08:12 — forked from sim642/delegate.hpp

	#ifndef DELEGATE_HPP_INCLUDED
	#define DELEGATE_HPP_INCLUDED

	#include <functional>
	#include <vector>

	// general case
	template<typename R, typename... Args>
	class delegate
	{

sillykelvin / sohu_crawler.js

Last active August 9, 2016 08:37

A node.js script for sohu video downloading

	#!/usr/bin/env node

	var fs = require('fs');
	var http = require('http');
	var request = require('request');


	var urlListFile = 'url.list';

	if (!fs.existsSync(urlListFile)) {

sillykelvin / main.cpp

Last active December 29, 2015 14:49

Solve Monty Hall problem (AKA Three Door problem)

	#include <iostream>
	#include <random>

	typedef std::mt19937 EngineType;
	typedef std::uniform_int_distribution<std::mt19937::result_type> GeneratorType;

	bool GetIt(EngineType& engine, const GeneratorType& generator3, bool change) {
	int correct_door = generator3(engine);
	int first_choice = generator3(engine);

sillykelvin / operator_overloading.cpp

Created November 19, 2013 16:22

The example of member access operator -> overloading.