Simple Horizontal Divider Item Decoration for RecyclerView
    mRecyclerView.addItemDecoration(new SimpleDividerItemDecoration(
            getApplicationContext()
    	));
NOTE: Add item decoration prior to setting the adapter
| defaults write com.apple.Dock appswitcher-all-displays -bool true | |
| killall Dock | 
| package com.frostrocket.samples | |
| import android.content.SharedPreferences | |
| import androidx.core.content.edit | |
| import androidx.preference.PreferenceManager | |
| import kotlin.properties.ReadWriteProperty | |
| import kotlin.reflect.KProperty | |
| /** | |
| * Yet another implementation of Shared Preferences using Delegated Properties | 
| package patterns | |
| interface CarService { | |
| fun doService() | |
| } | |
| interface CarServiceDecorator : CarService | |
| class BasicCarService : CarService { | |
| override fun doService() = println("Doing basic checkup ... DONE") | 
| #!/bin/sh | |
| set -e | |
| if [ -z "$1" ]; then | |
| shot_path=$(date +%Y-%m-%d-%H-%M-%S).mp4 | |
| else | |
| shot_path="$*" | |
| fi | 
| import android.text.TextUtils; | |
| import org.junit.Before; | |
| import org.junit.Test; | |
| import org.junit.runner.RunWith; | |
| import org.mockito.invocation.InvocationOnMock; | |
| import org.mockito.stubbing.Answer; | |
| import org.powermock.core.classloader.annotations.PrepareForTest; | |
| import org.powermock.modules.junit4.PowerMockRunner; | 
| Below are the Big O performance of common functions of different Java Collections. | |
| List | Add | Remove | Get | Contains | Next | Data Structure | |
| ---------------------|------|--------|------|----------|------|--------------- | |
| ArrayList | O(1) | O(n) | O(1) | O(n) | O(1) | Array | |
| LinkedList | O(1) | O(1) | O(n) | O(n) | O(1) | Linked List | |
| CopyOnWriteArrayList | O(n) | O(n) | O(1) | O(n) | O(1) | Array | 
| /* | |
| * Copyright (C) 2014 The Android Open Source Project | |
| * | |
| * Licensed under the Apache License, Version 2.0 (the "License"); | |
| * you may not use this file except in compliance with the License. | |
| * You may obtain a copy of the License at | |
| * | |
| * http://www.apache.org/licenses/LICENSE-2.0 | |
| * | |
| * Unless required by applicable law or agreed to in writing, software | 
| Eighties Light: | |
| #F2F0EC,#E8E6DF,#F2777A,#FFFFFF,#515151,#515151,#99CC99,#66CCCC | |
| Eighties Dark: | |
| #393939,#2D2D2D,#F2777A,#FFFFFF,#515151,#D3D0C8,#99CC99,#66CCCC |