booknara

import java.util.HashSet;
import java.util.Set;

/**
 * Happy number (https://en.wikipedia.org/wiki/Happy_number) : A happy number is a number defined by the following process: 
 * Starting with any positive integer, replace the number by the sum of the squares of its digits, 
 * and repeat the process until the number either equals 1 (where it will stay), 
 * or it loops endlessly in a cycle which does not include 1. 
 * Those numbers for which this process ends in 1 are happy numbers, 
 * while those that do not end in 1 are unhappy numbers (or sad numbers).

booknara

/**
 * Created by Daehee Han(@daniel_booknara) on 4/21/16.
 */
public class Power3 {
    public static void main(String[] args) {
        for (int i = 1; i < 1000; i++) {
            if (isPower3(i))
                System.out.println(i + " is power of 3");
            else
                System.out.println(i + " is NOT power of 3");

booknara

/**
 * Created by Daehee Han(@daniel_booknara) on 4/21/16.
 */
public class PowerN {
    public static void main(String[] args) {
        int base = 3;
        for (int i = 1; i < 100; i++) {
            if (isPowerN(base, i))
                System.out.println(i + " is power of " + base);
            else

booknara

public class Power4 {
    public static void main(String[] args) {
        for (int i = 1; i < 30; i++) {
            if (isPower4(i))
                System.out.println(i + " is power of 4");
            else
                System.out.println(i + " is NOT power of 4");

        }
    }

booknara

/**
 * Created by Daehee Han(@daniel_booknara) on 4/21/16.
 */
public class Power2 {
    public static void main(String[] args) {
        for (int i = 1; i < 10; i++) {
            if (isPower2(i))
                System.out.println(i + " is power of 2");
            else
                System.out.println(i + " is NOT power of 2");

booknara

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

booknara

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"
        android:layout_weight="100"
        tools:context=".DecoderActivity" >

    <LinearLayout
        android:layout_width="match_parent"

booknara

/**********************************************************************************************
 * Copyright 2009 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file 
 * except in compliance with the License. A copy of the License is located at
 *
 *       http://aws.amazon.com/apache2.0/
 *
 * or in the "LICENSE.txt" file accompanying this file. This file is distributed on an "AS IS"
 * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the

booknara

/**********************************************************************************************
 * Copyright 2009 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file 
 * except in compliance with the License. A copy of the License is located at
 *
 *       http://aws.amazon.com/apache2.0/
 *
 * or in the "LICENSE.txt" file accompanying this file. This file is distributed on an "AS IS"
 * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the

booknara

private void setClickableMessage(TextView textView) {
    String message = "By signing up, you agree to our Terms of Service";
    String linkText = "Terms of Service";
    int indexStart = message.indexOf(linkText);
    textView.setMovementMethod(LinkMovementMethod.getInstance());
    textView.setText(message, TextView.BufferType.SPANNABLE);
    Spannable spannable = (Spannable)textView.getText();
    ClickableSpan clickableSpan = new ClickableSpan() {
        @Override
        public void onClick(View textView) {