PoAn (Baron) Chen poanchen

Graduated from University of Victoria. Previously worked at @Illumina, @acdsystems, @aehelp and @acepersonnel

54 followers · 2 following

@microsoft
Redmond, Washington, United States
https://poanchen.github.io
@poanbaronchen

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poanchen / playMusicWithMultipleInterfaces.pde

Created April 8, 2018 00:56

Demonstration of using multiple interfaces to play or stop music with the help of Processing Sound library

	import processing.sound.*;

	interface Class1 {
	void playSong();
	void stopSong();
	}

	interface Class2 {
	void playSong();
	void stopSong();

poanchen / lookUpProcessAndKillTheProcess.sh

Created March 6, 2018 07:49

look up the process that is using the port number and kill it (windows 10)

	netstat -a -o -n
	taskkill /F /PID 12345

poanchen / kill.bash

Created February 23, 2018 22:14

Killing the process id that occupy the port you were using

	lsof -w -n -i tcp:port_number
	kill -9 pid_number

poanchen / runJava.py

Created February 5, 2018 09:21

A python script that will find the latest java program compile and execute them

	import os
	i = 12
	while os.path.exists("./Solution" + str(i) + ".java"):
	i += 1
	i -= 1
	os.system("javac Solution" + str(i) + ".java")
	os.system("java Solution" + str(i))

poanchen / createDefaultMainJava.py

Created February 5, 2018 09:20

A python script that will create a barebone Java code with the default main class along with testcase1 and printlist functions that are necessary for doing competeive programming questions

	import os
	i = 12
	while os.path.exists("./Solution" + str(i) + ".java"):
	i += 1
	file_contents = """import java.util.*;
	import java.lang.*;
	public class Solution%s {
	public static void testCase1() {

	}

poanchen / Vector3.cpp

Created September 19, 2017 04:13

Define operator+ and operator+= for the simple 3D vector class below

	// https://repl.it/LO2b

	#include <iostream>
	using namespace std;

	struct Vector3 {
	float x, y, z;

	Vector3& operator+(const Vector3& rhs) {
	*this += rhs;

poanchen / SimpleMap.cpp

Created September 19, 2017 04:12

Create a std::map and insert into it the key-value pairs {“one”,1}, {“two”,2}, and {“three”,3}.

	// https://repl.it/LO2s

	#include <iostream>
	#include <map>
	using namespace std;

	int main()
	{
	std:map <string, int> intMap;

poanchen / LinkedListNode.cpp

Created September 19, 2017 04:11

Write a simple class template “LinkedListNode”, which stores an object of type “T” and a pointer to the next node of type “LinkedListNode*”. It doesn’t need to have any member functions.

	// https://repl.it/LORG

	#include <iostream>
	using namespace std;

	template <class T>
	class LinkedListNode {
	public:
	T value;
	LinkedListNode<T>* next;

poanchen / HelloWorldInterface.cpp

Created September 19, 2017 04:10

Create an interface class with a pure virtual function. Create another class that inherits from it, and give a concrete implementation of the pure virtual function.

	// https://repl.it/LEHR

	#include <iostream>
	using namespace std;

	class HelloWorldInterfaceA
	{
	public:
	virtual void printHelloWorldA() = 0;
	};

poanchen / SimpleClass.cpp

Created September 19, 2017 04:08

Write a simple class that uses with a private variable and a public member function.

	// https://repl.it/LECL

	#include <iostream>
	using namespace std;

	class SimpleClass
	{
	private:
	string privateStr;
	public:

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