juehan’s gists

juehan / speculative_execution_using_wait_for.cpp

Created January 25, 2013 02:50

	#include <future>
	#include <iostream>
	#include <chrono>

	//Speculative execution using std::future<> wait_for()

	int quick_but_gestimation()
	{
	for (int i=0; i < 2; i++)
	{

juehan / cpp11_cond_variable_example.cpp

Created January 24, 2013 02:49

Consumer - producer example using C++11 thread

	#include <condition_variable>
	#include <mutex>
	#include <future>
	#include <iostream>
	#include <chrono>
	#include <queue>

	bool isReady;
	std::mutex mutex;
	std::condition_variable condvar;

juehan / cpp11_multidimensional_array.cpp

Created January 16, 2013 01:55

C++11 way of multidimensional array

	#include <iostream>
	#include <array>

	int main(){

	//multi-dimensional array with newly introducted in C++11
	// a hundred array of 10 element array

	const size_t i = 100;
	std::array<std::array<size_t, 10>, i> myarr;

juehan / async_future_example02.cpp

Created January 14, 2013 10:17

C++11 async() and future<> allow us task based parallel programming.

	#include <future>
	#include <iostream>
	#include <vector>


	int main()
	{
	std::cout << "Task parallerism using C++11 async() and future<>" << std::endl;

	std::cout << "Main thread id: " << std::this_thread::get_id()

juehan / cpp11_thread_async_future.cpp

Last active December 11, 2015 02:09

C++11 high level thread interface using async() and future<>

juehan / geolocation.html

Created December 13, 2012 05:57

Geolocation API in HTML5

	<!doctype html>
	<html>
	<head>
	<title>Geolocation API in HTML5</title>
	<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js">
	</script>
	</head>
	<body>
	<p>Geolocation API in HTML5</p>
	<button id="btnGeo">Show where i am</button>

juehan / jscript_basic.html

Created December 5, 2012 00:28

javascript basic terminology

	<html>
	<head>
	<title>
	JohnL javascript practice
	</title>
	<script type="text/javascript">

	var titleOfApplication = "JohnL application";
	window.titleOfApplication;

juehan / sqlite_test.py

Created November 24, 2012 22:28

python sqlite3 test code

	'''
	C:\temp\sqlite> sqlite3 test.db "create table location (lid integer primary key, lname text);"
	C:\temp\sqlite> sqlite3 test.db "insert into location (lid, lname) values (0, "Waitara, NSW");"
	Software\sqlite3.exe: Error: too many options: "Waitara"
	-help for a list of options.
	C:\temp\sqlite> sqlite3 test.db "insert into location (lid, lname) values (0, 'Waitara, NSW');"
	C:\temp\sqlite> sqlite3 test.db "insert into location (lid, lname) values (1, 'Hornsby, NSW');"
	C:\temp\sqlite> sqlite3 test.db "insert into location (lid, lname) values (2, 'Rhodes, NSW');"
	C:\temp\sqlite> sqlite3 test.db "insert into location (lid, lname) values (3, 'Strathfield, NSW');"
	C:\temp\sqlite>

juehan / sublimeText2configForKorean

Created November 10, 2012 01:08

sublime text2 한글 셋팅

	//Preference > Setting-user 로 이동하여 다음 내용 입력

	{
	"color_scheme":"Packages/color scheme - Default/Twilight.tmTheme",
	"font_size": 12,
	"font_face": "Malgun Gothic"
	}

juehan / Cpp11UniformInitialization.cpp

Created November 10, 2012 00:53

C++11: Uniform Initialization

John.L juehan