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Providing Location Service Using DependencyService in Xamarin.Forms
By Wei-Meng Lee
Aug 17, 2015
When your app needs to work with location information, the code that requests and then handles the user's latitude and longitude shouldn't be affected by the platform of that device. Wei-Meng Lee shows how to use Xamarin.Forms to take advantage of each platform's native features to provide location services.
Help Me, Windows 10! Cortana to the Rescue
By Katherine Murray
Aug 13, 2015
In this excerpt from My Windows 10, Katherine Murray shows you how to use the voice-activated Cortana tool in Windows 10 as your built-in electronic assistant.
Configuring and Personalizing Chrome OS
By Michael Miller
Aug 11, 2015
In this chapter from My Google Chromebook, 3rd Edition, you’ll learn about the many configuration options available with Chrome OS, from changing Chrome’s startup behavior to selecting a new desktop background.
Logging In to Windows 10 and Customizing the Start Menu
By Mark Edward Soper
Aug 10, 2015
In this sample chapter from Easy Windows 10, author Mark Soper explains essential functionality of working with Windows 10: how to start and stop the operating system, navigate the Windows desktop, and make the menus work for you.
Using Native Platform Features in Xamarin.Forms Through DependencyService
By Wei-Meng Lee
Jul 30, 2015
Xamarin.Forms is platform-agnostic, and your single code base will work on all platforms. But if you want to perform platform-specific operations, you need to do some work, as Wei-Meng Lee shows.
Video: Docker Containers: Removing Containers and Images
By Christopher Negus
Jul 30, 2015
In this excerpt from Docker Containers LiveLessons, Chris Negus discusses several ways to go about clearing out unneeded containers and images.
Apple Watch Interface Navigation
By Wei-Meng Lee
Jul 21, 2015
In this chapter from Learning WatchKit Programming: A Hands-On Guide to Creating Apple Watch Applications, learn how your Apple Watch application navigates between multiple screens.
Sharing Data in Apple Watch Applications
By Wei-Meng Lee
Jul 20, 2015
Your custom Apple Watch apps and iOS need to share data back and forth constantly. You could create the same code at both ends of the interaction, but why make extra work for yourself? Wei-Meng Lee, author of Learning WatchKit Programming: A Hands-On Guide to Creating Apple Watch Applications, advises sharing code, not just data.
Video: Docker Containers: Create Private Docker Registries
By Christopher Negus
Jul 9, 2015
Setting up a private Docker registry allows you to share your images with people working on your project without exposing your project to the outside world. In this excerpt from Docker Containers LiveLessons, Christopher Negus shows you how to install and set up docker-registry in Fedora.
What's New in watchOS 2 for Developers?
By Wei-Meng Lee
Jun 24, 2015
Now that the Apple Watch is flying off shelves and onto users' wrists, you might be rushing to finish your watch apps. But Apple is already making OS improvements that can affect your work. Wei-Meng Lee, author of Learning WatchKit Programming: A Hands-On Guide to Creating Apple Watch Applications, discusses the primary additions and changes in the new watchOS 2 beta released to developers on June 8, 2015.
Packet-Filtering Concepts in Linux Firewalls
By Steve Suehring
Feb 3, 2015
This chapter from Linux Firewalls: Enhancing Security with nftables and Beyond, 4th Edition explains how to implement firewall rules.
A Practical Guide to Ubuntu Linux: The Shell
By Mark G. Sobell
Jan 22, 2015
This chapter from A Practical Guide to Ubuntu Linux, 4th Edition takes a close look at the shell and explains how to use some of its features. It discusses command-line syntax and describes how the shell processes a command line and initiates execution of a program. This chapter also explains how to redirect input to and output from a command, construct pipelines and filters on the command line, and run a command in the background. The final section covers filename expansion and explains how you can use this feature in your everyday work.
Video: Linux Web Operations Tutorial: Designing Web Application Infrastructure
By Ben Whaley
Dec 10, 2014
In this excerpt from Linux Web Operations LiveLessons (Video Training), Ben Whaley talks about designing a web application environment to take into account scalability and security.
Managing Software in Ubuntu
By Matthew Helmke
Dec 9, 2014
This chapter from Ubuntu Unleashed 2015 Edition: Covering 14.10 and 15.04, 10th Edition discusses the options you have to manage your software in Ubuntu. pdating a full Ubuntu installation, including all the application software, is as simple as running the Update Manager program. You will discover just how easy it is to install and even remove various software packages.
Process Management in the FreeBSD Operating System
By Marshall Kirk McKusick, George V. Neville-Neil, Robert N.M. Watson
Oct 2, 2014
This chapter from The Design and Implementation of the FreeBSD Operating System, 2nd Edition describes the composition of a process, the method that the system uses to switch between the process’s threads, and the scheduling policy that it uses to promote sharing of the CPU. It also introduces process creation and termination, and details the signal and process-debugging facilities.
How to Deliver a Unified Mobile Device Management Solution with Windows Intune
By Kerrie Meyler, Dan Andersen, Greg Ramsey, Jason Sandys, Panu Saukko, Kenneth van Surksum
Sep 23, 2014
This appendix from System Center 2012 R2 Configuration Manager Unleashed: Supplement to System Center 2012 Configuration Manager (SCCM) Unleashed explains the genesis of Windows Intune, its history, licensing, and architecture for integrating with System Center 2012 R2 Configuration Manager to deliver a unified mobile device management solution.
Migrating Users and Applications to Windows 8.1
By Don Poulton, Randy Bellet, Harry Holt
Sep 11, 2014
Learn how to migrate users and their profiles to Windows 8.1, configure folder redirection, and configure profiles in this chapter from MCSA 70-687 Cert Guide: Configuring Microsoft Windows 8.1.
The Official Ubuntu Book, 8th Edition: Getting Started with Ubuntu
By Matthew Helmke, Philip Ballew, Benjamin Mako Hill, Elizabeth K. Joseph, José Antonio Rey
Aug 20, 2014
This chapter shows how to start using the core features of your new Ubuntu desktop. These concepts should allow you to perform most of the day-to-day tasks when using your computer and provide a base from which to explore the other applications installed on your system.
Networking Your Windows 8.1 Devices and Apps
By Jeremy Likness, John Garland
Jul 10, 2014
Windows 8.1 devices are capable of connecting to the Internet and other devices in myriad ways. In this chapter from Programming the Windows Runtime by Example: A Comprehensive Guide to WinRT with Examples in C# and XAML you learn some of these more advanced methods and how to integrate them into your own apps.
Preface to "The Official Ubuntu Book, 8th Edition"
By Matthew Helmke, Philip Ballew, Benjamin Mako Hill, Elizabeth K. Joseph, José Antonio Rey
Jul 9, 2014
The authors of the 8th edition of The Official Ubuntu Book describe what's changed in the latest edition to keep up with the changes with Ubuntu itself.

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