ZacSweers

Table Of Contents

• [Data Structures] (https://gist.github.com/lawloretienne/6f7d7d92f72986f5ebd60f226d9044ee#data-structures)
• [Linked Lists] (https://gist.github.com/lawloretienne/6f7d7d92f72986f5ebd60f226d9044ee#linked-lists)
• [Trees] (https://gist.github.com/lawloretienne/6f7d7d92f72986f5ebd60f226d9044ee#trees)
  • [Binary Trees] (https://gist.github.com/lawloretienne/6f7d7d92f72986f5ebd60f226d9044ee#binary-trees)
  • [Binary Search Tree] (https://gist.github.com/lawloretienne/6f7d7d92f72986f5ebd60f226d9044ee#binary-search-tree)
  • [Red-Black Tree] (https://gist.github.com/lawloretienne/6f7d7d92f72986f5ebd60f226d9044ee#red-black-tree)
  • [AVL Tree] (https://gist.github.com/lawloretienne/6f7d7d92f72986f5ebd60f226d9044ee#avl-tree)
• [Tries] (https://gist.github.com/lawloretienne/6f7d7d92f72986f5ebd60f226d9044ee#tries)

ZacSweers

    /**
     * @param interval      The base interval to start backing off from. The function is: attemptNum^2 * intervalTime
     * @param units         The units for interval
     * @param retryAttempts The max number of attempts to retry this task or -1 to try MAX_INT times,
     */
    public static <T> Observable.Transformer<T, T> backoff(final long interval, final TimeUnit units, final int retryAttempts) {
        return new Observable.Transformer<T, T>() {
            @Override
            public Observable<T> call(final Observable<T> observable) {
                return observable.retryWhen(

ZacSweers

// retries up to 3 times while exponentially backing off with each retry
                .retryWhen(errors ->
                        errors
                                .zipWith(
                                        Observable.range(1, MAX_RETRIES), (n, i) -> i
                                )
                                .flatMap(
                                        retryCount -> Observable.timer((long) Math.pow(4, retryCount), TimeUnit.SECONDS)
                                )
                )

ZacSweers

  public void readTwice()
  {
              Observable.fromCallable(() -> {
              RedditData inflatedModel = null;
              Response response = makeRequest();

              String diskValue = null;
              try {
                  File file = new File(getContext().getCacheDir(), "file");
                  BufferedSink cacheBody = Okio.buffer(Okio.sink(file));

ZacSweers

ZacSweers

View Click

Instead of the verbose setOnClickListener:

RxView.clicks(submitButton).subscribe(o -> log("submit button clicked!"));

Filter even numbers

Observable
    .just(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)

ZacSweers

about
account
add
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api
app
apps
archive
archives
auth

ZacSweers

public class MenuPreference extends ListPreference {
  private View anchor;

  public MenuPreference(Context context) {
    super(context);
  }

  public MenuPreference(Context context, AttributeSet attrs) {
    super(context, attrs);
  }

ZacSweers

apply plugin: 'java'
apply plugin: 'maven-publish'

group = 'com.demo'
version = '1.0.0'

sourceCompatibility = 1.7

repositories {
    mavenCentral()