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System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

Clarify and agree on the scope of the system

User cases (description of sequences of events that, taken together, lead to a system doing something useful)
- Who is going to use it?
- How are they going to use it?

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	@author Eric Parsons @[email protected]
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	Notes:
	* When creating an executable, don't have too, but good label it with the .out extension: [name].out
	* Use tab in terminal for auto completion
	* Command line has no undo
	* ctrl + alt + t is a shortcut to open terminal
	* services = daemons != processes, and daemon != disk and execution monitor

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	/*
	* 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

	public final class StoreContract {

	public static abstract class HeadphoneEntry implements BaseColumns {

	public static final String TABLE_NAME = "headphones";
	public static final String COLUMN_NAME = "name";
	public static final String COLUMN_PRICE = "price";
	public static final String COLUMN_STYLE = "style";
	public static final String COLUMN_IN_STOCK = "in_stock";
	public static final String COLUMN_DESCRIPTION = "description";