Marchuck

 public static void logsOf(String veryLongString, int maxLogSize) {
        for (int i = 0; i <= veryLongString.length() / maxLogSize; i++) {
            int start = i * maxLogSize;
            int end = (i + 1) * maxLogSize;
            end = end > veryLongString.length() ? veryLongString.length() : end;
            Log.v(TAG, veryLongString.substring(start, end));
        }
    }

Marchuck

<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:elevation="7dp">

    <android.support.v7.widget.Toolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"

Marchuck

private static ArrayList<View> getViewsByTag(ViewGroup root, String tag){
    ArrayList<View> views = new ArrayList<View>();
    final int childCount = root.getChildCount();
    for (int i = 0; i < childCount; i++) {
        final View child = root.getChildAt(i);
        if (child instanceof ViewGroup) {
            views.addAll(getViewsByTag((ViewGroup) child, tag));
        }

        final Object tagObj = child.getTag();

Marchuck

import org.graphstream.graph.Edge;
import org.graphstream.graph.Element;
import org.graphstream.graph.Graph;
import org.graphstream.graph.Node;
import org.graphstream.graph.implementations.SingleGraph;
import util.Log;

import java.util.Iterator;

Marchuck

rx.Observable.range(1, 100).map(i -> String.valueOf(i).concat(
                (i % 15 == 0 ? "FizzBuzz" : i % 3 == 0 ? "Fizz" : i % 5 == 0 ? "Buzz" : "")))
                .subscribe(System.out::println);


OR, more readable:
  
 rx.Observable.range(1, 100).map(i -> i + suffixFor(i)).subscribe(System.out::println);

...

Marchuck

String[] getIds = new String[]{"id:0", "id:1", "id:2", "id:3"};
        rx.Observable.just(getIds)
                .flatMap(new Func1<String[], Observable<String>>() {
                    @Override
                    public Observable<String> call(String[] strings) {
                        //dla kazdego id odpytaj api
                        return Observable.from(strings);
                    }
                }).flatMap(new Func1<String, Observable<Integer>>() {
            @Override

Marchuck

public static void main(String[] argv) {
        new CesarCipher().solve();
    }

    public void solve() {
        Scanner in = new Scanner(System.in);
        int t = Integer.valueOf(in.nextLine());
        String line = in.nextLine();
        StringBuilder sb = new StringBuilder();
        String keys = in.nextLine();

Marchuck

int threadCt = Runtime.getRuntime().availableProcessors() + 1;

ExecutorService executor = Executors.newFixedThreadPool(threadCt);

Schedulers scheduler = Schedulers.from(executor);

Observable.range(1,1000)
    .groupBy(i -> batch.getAndIncrement() % threadCt )
    .flatMap(g -> g.observeOn(scheduler)
        .map(i -> intenseCalculation(i))

Marchuck

/**
 * @author Lukasz Marczak
 * @since 28.09.16.
 */
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;

Marchuck

package com.emil.android.util;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.telephony.TelephonyManager;

/**
 * Check device's network connectivity and speed 
 * @author emil http://stackoverflow.com/users/220710/emil