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// For details, see
// http://stackoverflow.com/questions/40261857/remove-nested-key-from-dictionary
import Foundation

extension Dictionary {       
    subscript(keyPath keyPath: String) -> Any? {
        get {
            guard let keyPath = Dictionary.keyPathKeys(forKeyPath: keyPath) 
                else { return nil }
            return getValue(forKeyPath: keyPath)

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var test = [0, 1]

extension MutableCollection {
  mutating func updateEach(_ update: (inout Element) -> Void) {
    for i in indices {
      update(&self[i])
    }
  }
}

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#Cleanup your Gradle caches by deleting files not accessed within the last month

find ~/.gradle -type f -atime +30 -delete 
find ~/.gradle -type d -mindepth 1 -empty -delete

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#!/bin/bash
open -a "/Applications/Google Chrome.app" https://www.youtube.com/watch?v=BYwqjCj6kgc

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Database Open Helper Class for Android SQLite Database

DatabaseOpenHelper.java

// Copyright 2015 Achilles Rasquinha

// 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

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// GSON can parse the data.
//
// Deserialization:
// Note there is a bug in GSON 2.3.1 that can cause it to StackOverflow when working with RealmObjects.
// To work around this, use the ExclusionStrategy below or downgrade to 1.7.1
// See more here: https://code.google.com/p/google-gson/issues/detail?id=440
//
// Serialization:
// <Type>RealmProxy objects are created by the Realm annotation processor. They are used to control
// access to the actual data instead of storing them in fields and it is therefore them we need to register a

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import android.app.Activity;
import android.app.Service;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.os.IBinder;
import android.support.v4.content.LocalBroadcastManager;

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package net.kristopherjohnson.util;

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;

/**
 * Methods for dealing with timestamps

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package jieqoo.android.KASS.test.tasks;

import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

import jieqoo.android.models.RESTListener;
import jieqoo.android.models.RESTResponse;
import jieqoo.android.tasks.FetchRESTResponseTask;
import jieqoo.android.util.Configuration;
import android.test.InstrumentationTestCase;

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import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.util.AttributeSet;
import android.view.View;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

public class EmptyRecyclerView extends RecyclerView {
  @Nullable View emptyView;