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How to Create a Tip Calculator App in Android 6
By Paul Deitel, Harvey Deitel, Alexander Wald
Jan 25, 2016
This chapter from Android 6 for Programmers: An App-Driven Approach, 3rd Edition shows you how to create a Tip Calculator app that calculates and displays the tip and total for a restaurant bill amount. This chapter introduces GridLayout, EditText, SeekBar, Event Handling, NumberFormat, Customizing the App's Theme and Defining App Functionality with Java.
Video: Microsoft Windows Server Group Policy: A Course Introduction
By Ed Liberman
Jan 25, 2016
In this excerpt from Microsoft Windows Server Group Policy LiveLessons (Video Training), Ed Liberman introduces this video course on Windows Server Group Policy, including a discussion of his background and an overview of what will be covered in each lesson.
Structuring Applications with Graphical Interfaces
By Holger Gast
Jan 22, 2016
This chapter investigates the architectural building block that keeps applications with user interfaces maintainable and portable.
Understanding RRM
By David Hucaby
Jan 22, 2016
This chapter covers configuring 802.11 support and understanding RRM.
Creating Webpages with Controllers in Django: Views and URL Configurations
By Andrew Pinkham
Jan 21, 2016
In this chapter from Django Unleashed, Andrew Pinkham examines how the two parts of the Controller, URL configurations and views, interact. He then uses the cumulative knowledge to build dynamic webpages.
Introduction to the Dart Programming Language
By Gilad Bracha
Jan 21, 2016
Dart is intended to provide a platform that is specifically crafted to support the kinds of applications people want to write today. This chapter from The Dart Programming Language explains the origins of the Dart language, as well as design principles and constraints. It also provides an overview of the book.
Video: Building Spark Applications: SparkR - Visualizing Data with ggplot2
By Jonathan Dinu
Jan 21, 2016
One of the biggest problems in working with large amounts of data is that it's very hard to get a sense of what your data looks like. In this excerpt from Building Spark Applications LiveLessons, Jonathan Dinu shows you how you can use SparkR to visualize large amounts of data with ggplot2, a very powerful and intuitive data visualization library.
Drones: What Are They, Exactly, and How Will They Affect Your Future?
By Michael Miller
Jan 20, 2016
Drone aircraft are in the news practically every day. But what is a drone? How is a drone different from a radio controlled airplane? Who flies drones, and why? In this article, The Internet of Things author Michael Miller tells you all about drones -- and how they will affect your future.
How to Choose the Right CSS Framework for Your Website
By Jennifer Kyrnin
Jan 20, 2016
Jennifer Kyrnin, author of Sams Teach Yourself Bootstrap in 24 Hours, advises using a framework or boilerplate to build your web pages more quickly and effectively. Learn how CSS frameworks can help you to build better-looking and more responsive web designs.
Start Using C++
By Brian Overland
Jan 20, 2016
Nothing succeeds like success. This chapter from C++ Without Fear: A Beginner's Guide That Makes You Feel Smart, 3rd Edition focuses on successfully installing and using the C++ compiler—the tool that translates C++ statements into an executable program (or application).
Learning WatchKit Programming: Responding to User Actions
By Wei-Meng Lee
Jan 19, 2016
The UI of an Apple Watch application is represented by various controls (commonly known as views in iOS programming), and they are divided into two main categories: responding to user actions and displaying information. In this chapter from Learning WatchKit Programming: A Hands-On Guide to Creating watchOS 2 Applications, 2nd Edition, learn to use these controls to build the UI of your application.
Setting Up a Private Docker Registry
By Christopher Negus
Jan 19, 2016
This chapter from Docker Containers: Build and Deploy with Kubernetes, Flannel, Cockpit, and Atomic explains how to create a private Docker registry in Fedora or Ubuntu, use the docker-registry package, use the registry container image, and understand the Docker image namespace.
Introduction to Unity
By Ben Tristem, Mike Geig
Jan 18, 2016
This chapter from Unity Game Development in 24 Hours, Sams Teach Yourself, 2nd Edition shows you how to choose and install a Unity license. Once that is installed, you learn how to create new projects as well as open existing ones. You open the powerful Unity editor and examine its various components. Finally, you learn to navigate a scene using mouse controls and keyboard commands. This chapter is meant to be hands-on, so download Unity while reading and follow along.
Motors for Makers: Introduction to Stepper Motors for Motion Control
By Matthew Scarpino
Jan 18, 2016
Due to their simplicity and precision, steppers are popular in electrical devices. Analog clocks, manufacturing robots, and printers (2D and 3D) rely on steppers for motion control. This chapter from Motors for Makers: A Guide to Steppers, Servos, and Other Electrical Machines discusses stepper motors, including permanent magnet (PM) steppers, variable reluctance (VR) steppers, hybrid (HY) steppers, and stepper control.
Video: Building Spark Applications: Making Sense of Data Summary Statistics and Distributions
By Jonathan Dinu
Jan 18, 2016
In this excerpt from Building Spark Applications LiveLessons, Jonathan Dinu discusses looking at some interesting analysis and statistics, such as the most frequently occurring values for a given column, summary statistics, Anscombe's Quartet, and visualization of distributions.
Responsive Web Design Is More Than Just Media Queries for Mobile Devices
By Jennifer Kyrnin
Jan 14, 2016
RWD is more than just breakpoints, flexible images, and switching navigation between icons and drop-down menus. To create truly responsive design, Jennifer Kyrnin, author of Sams Teach Yourself Responsive Web Design in 24 Hours, recommends leaving out the media queries and instead focusing on how customers really want to use your web pages.
Video: Building Spark Applications: A Day in the Life of a Spark Application
By Jonathan Dinu
Jan 14, 2016
In this excerpt from Building Spark Applications LiveLessons, Jonathan Dinu talks about the steps of a Spark application: determine the RDD lineage, create an execution plan for DAG, and schedule and execute the tasks.
Linux File Management Basics
By Ross Brunson, Sean Walberg
Jan 13, 2016
This chapter from CompTIA Linux+ / LPIC-1 Cert Guide: (Exams LX0-103 & LX0-104/101-400 & 102-400) covers Linux file system management as it pertains to the objectives on the CompTIA Linux+ / LPIC-1 exam.
Tips for Using Calendar, Contacts, Reminders, and Notes
By Jason Rich
Jan 13, 2016
In this chapter from iPad and iPhone Tips and Tricks (Covers iPads and iPhones running iOS9), 5th Edition, Jason Rich helps you get acquainted with the Calendar, Contacts, and Reminders apps, as well as the newly enhanced Notes app. He explains how to stay organized, on time, and productive with your iOS mobile device and how to sync your app data across all your devices and iCloud.
Video: Building Spark Applications: A Course Introduction
By Jonathan Dinu
Jan 13, 2016
In this excerpt from Building Spark Applications LiveLessons, Jonathan Dinu introduces his Spark video course, talks about his experience with Spark, and covers what he will cover in each lesson.

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