kuanyingchou

sum : Tree Int -> Int
sum tree = 
    case tree of
      Empty -> 0
      Node v left right ->
         v + sum left + sum right

flatten : Tree a -> List a
flatten tree =
    case tree of

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class Rotate { 
  public int[][] rotate(int[][] m, int s) {
    if(m == null || m.length == 0) return m;
    int w = m[0].length;
    int h = m.length;
    if(w == 1 || h == 1) return m;

    for(int j=0; j<s; j++) {
      int t1 = m[0][w-1];

kuanyingchou

let a = [1, 2, 3, 4, 5];
let index = 2;
let inc = amount => i => i + amount;
let dec = amount => i => i - amount;
let step = 1;
let b = [...a.slice(0, index).map(inc(step/(a.length-1))), dec(step)(a[index]), ...a.slice(index+1).map(inc(step/(a.length-1)))];
let sum = (a, b) => a + b;
console.log(a);
console.log(a.reduce(sum));
console.log(b);

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let a = [1, 2, 3, 4, 5];
let index = 2;
let inc = i => i+1;
let dec = i => i-1;
let b = [...a.slice(0, index).map(inc), dec(a[index]), ...a.slice(index+1).map(inc)];
console.log(`a=[${a}]`);
console.log(`b=[${b}]`);

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#include "PerpetualCalendar.h"
int main() {
    PerpetualCalendar c;

    //assert(c.dayofweek(10, 3, 1493) == 4);
    //assert(c.dayofweek(5, 20, 1493) == 1);

    assert(c.dayofweek(7, 4, 1776) == 4);
    assert(c.dayofweek(7, 14, 1789)== 2);
    assert(c.dayofweek(6, 18, 1815)== 7);

kuanyingchou

using UnityEngine;
using System.Collections;

public class TestCoroutine : MonoBehaviour {
    public void Start() 
    {
        StartCoroutine("Co1");
        StartCoroutine("Kill");
    }

kuanyingchou

using UnityEngine;
using System.Collections;

public class Plane : MonoBehaviour {
    private Vector2 v = new Vector2(10, 10);
    /*
    private float radius = 50;

    public float GetCircumference()
    {

kuanyingchou

tmux cheatsheet

• start tmux:

$ tmux

• exit tmux(detach):

kuanyingchou

using System;
using System.Threading;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;

class Time
{
    public static float deltaTime;
}

kuanyingchou

using System.Collections.Generic;
using System.Collections;

class Array
{
    public static void Main()
    {