Download Computer Science Programming Basics in Ruby by David Grossman, Ophir Frieder, Gideon Frieder PDF

By David Grossman, Ophir Frieder, Gideon Frieder

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If you recognize uncomplicated high-school math, you could quick research and follow the center techniques of computing device technology with this concise, hands-on e-book. Led via a staff of specialists, you’ll quick comprehend the variation among machine technology and laptop programming, and you’ll find out how algorithms assist you remedy computing problems.

Each bankruptcy builds on fabric brought prior within the booklet, so that you can grasp one middle development block sooner than relocating directly to the following. You’ll discover primary subject matters akin to loops, arrays, gadgets, and sessions, utilizing the easy-to-learn Ruby programming language. Then you’ll placed every little thing jointly within the final bankruptcy by means of programming an easy video game of tic-tac-toe.
* the way to write algorithms to resolve real-world difficulties
* comprehend the fundamentals of machine structure
* study the fundamental instruments of a programming language
* discover sequential, conditional, and loop programming buildings
* know how the array information constitution organizes garage
* Use looking thoughts and comparison-based sorting algorithms
* find out about items, together with how you can construct your personal
* realize how gadgets may be produced from different items
* control documents and use their facts on your software program

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When the LocationManager has a new location to offer, it makes a call to onLocationChanged() for each listener. ” Receiving Location Updates with a Broadcast Intent Having an Intent broadcasted with location updates can offer increased flexibility in situations where an app needs the update to be received by multiple application components. To make use of the broadcasted Intent, an app needs to implement a BroadcastReceiver and register it to receive location update Intent(s). This can happen either in an Android manifest or at run time.

Microphone: Analyzing audio recordings involves signal-processing algorithms. Chapter 14 describes algorithms for volume detection and frequency estimation. ‰ Speech recognition: Executing voice commands involves matching what the user said with command words using text search methods. Chapter 17 describes methods to improve matching success. Applications in This Book This book presents applications that utilize sensors for specific purposes. The applications provide practical code components that solve common problems.

Chapters 12 and 13 describe abstract classes that handle these details. ‰ NFC: Using NFC involves understanding the various steps needed to read and write NFC tags and what data to put in them. Chapter 11 explains a complete code example that is easy to adapt. Collecting Sensor Data Once an app can initialize and acquire sensor data, it then needs utilize the APIs to collect the data while the app is running. Data can be collected in different ways depending on how an app uses it. This book describes different ways to collect data for various tasks.

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