kuanyingchou

// A remember() that can survive recompositions and config changes but not process death.
@Composable
inline fun <T: Any> rememberRetained(
  key: String = currentCompositeKeyHash.toString(36), // Copied from rememberSaveable()
  crossinline init: @DisallowComposableCalls () -> T
): T {
  if (retainedStore[key] == null) {
    retainedStore[key] = init()
  }
  val activity = LocalContext.current.findActivity()

kuanyingchou

import java.util.*;

interface Node {}
class LeafNode implements Node {
	String operand;
	public LeafNode(String o) {
		operand = o;
	}
	public String toString() {

kuanyingchou

confirmation page

kuanyingchou

final Observable<String> o = Observable.create(new ObservableOnSubscribe<String>() {
    @Override
    public void subscribe(ObservableEmitter<String> e) throws Exception {
        for(int i=0; i<10; i++) {
            if(e.isDisposed()) break;
            // make request here...
            e.onNext(String.valueOf(i));
            try {
                Thread.sleep(1000);
            } catch(InterruptedException ie) {}

kuanyingchou

var data = [[1, 2, 3], [4, 5, 6]]
var index = 0

print(data[0])
print(data[1])

index = 0
data[index].remove(at:0)

print(data[0])

kuanyingchou

import java.util.concurrent.*;

public class App {

    public static void main(String[] args) throws InterruptedException, ExecutionException {
        final int poolSize = 2;
        final ExecutorService executorService = 
                Executors.newFixedThreadPool(poolSize);
        final CompletionService<String> completionService =
                new ExecutorCompletionService<>(executorService);

kuanyingchou

//2014.4.11  ken  initial version. modified from https://alastaira.wordpress.com/2013/10/25/animal-crossing-curved-world-shader/

Shader "Custom/CurvedWorld" {
    Properties {
        // Diffuse texture
        _MainTex ("Base (RGB)", 2D) = "white" {}
        // Degree of curvature
        _Curvature ("Curvature", Float) = 0.001
        _HorizontalCurvature ("Horizontal Curvature", Float) = 0.001
        _RelativePos ("Relative Position", Vector) = (0, 0, 0, 0)

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

kuanyingchou

1.
Khan Academy | Mountain View, CA or REMOTE | full-time and internships

We're a small, non-profit tech startup bringing a free, world-class education
to anyone, anywhere.

Millions of people use our free educational platform to learn every month. The
testimonials at <https://www.khanacademy.org/stories> will give you a feel for
just how intense an impact Khan Academy has on the lives of folks in all sorts
of varied situations.

kuanyingchou

package ken;

import rx.*;
import java.util.concurrent.TimeUnit;

enum MotionEvent { Down, Move, Up };
class Main {
  public static void test1() {
    Observable.just("Hello")
      .map(s -> s+"!!!")