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Upgrading and Repairing PCs Tip #18: Types of Networks
By Scott Mueller
Jul 30, 2015
PANS, LANS, WANS, MANS...In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott discusses different types of networks.
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.
Manifestations: Scrumban Demystified
By Ajay Reddy
Jul 29, 2015
In this introductory chapter from The Scrumban [R]Evolution: Getting the Most Out of Agile, Scrum, and Lean Kanban, Ajay Reddy describes the true essence of Scrumban.
Querying Neo4j with Cypher
By Steven Haines
Jul 29, 2015
Steven Haines concludes his three-part series on Neo4j with an overview of Cypher, Neo4j's custom query language. Learn by example how to build basic single-element queries, and then move on to structuring multiple-level queries that are surprisingly readable.
Upgrading and Repairing PCs Tip #17: Internet Connection Security Basics
By Scott Mueller
Jul 29, 2015
In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott discusses the most important things you can do for security when using a broadband Internet connection.
Network Switching Methods: Store-and-Forward Versus Cut-Through
By Sean Wilkins
Jul 28, 2015
Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, believes every network engineer should understand the differences between the two major switching methods employed in computer networks. This overview discusses the two methods from their initial deployments to modern usage.
Upgrading and Repairing PCs Tip #16: High-Speed Internet Access: Which Type is Right for You?
By Scott Mueller
Jul 28, 2015
In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott helps you make sense out of the confusing morass of plans available from cable modem, DSL, fixed wireless Internet, and satellite vendors.
Quick and Efficient PowerShell Script Debugging with Breakpoints
By Adam Bertram
Jul 27, 2015
Writing a perfect PowerShell script on the first try is next to impossible (though it's nice to dream). Debugging is a crucial skill for every developer, and learning easier and faster ways to find script problems can really improve the process. Adam Bertram explains how to use breakpoints to troubleshoot your PowerShell scripts.
Upgrading and Repairing PCs Tip #15: The Best Ways to Clean Your Computer Keyboard
By Scott Mueller
Jul 27, 2015
In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott offers some tips on keeping your keyboard sparkling and stick-free.
Working with ImageViews and Bitmaps in Android Application Development
By Carmen Delessio, Shane Conder, Lauren Darcey
Jul 27, 2015
In this chapter from Android Application Development in 24 Hours, Sams Teach Yourself, 4th Edition, you'll learn the details of handling images and bitmaps, including creating bitmaps, using drawing commands, and handling very large images.
Play to Learn, Play to Teach: The Value of Play in Learning New Technologies
By Elliott Hauser
Jul 24, 2015
Are you "All work, no play"? You're doing it wrong. Code instructor Elliott Hauser explains the importance of play in both teaching and learning, especially when it comes to technical subjects and skills.
Upgrading and Repairing PCs Tip #14: USB Security Risks
By Scott Mueller
Jul 24, 2015
USB drives have been used to spread many types of malware. In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott offers some precautions you can take to protect your information and devices.
Upgrading and Repairing PCs Tip #13: Troubleshooting PC Audio Problems
By Scott Mueller
Jul 23, 2015
Although Plug and Play (PnP) PCI and PCIe sound cards and integrated audio have eliminated the troublesome hardware resource conflicts that once made adding audio to a PC a big headache, there are still many possible sources of frustration with recording or playback. In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott helps you troubleshoot your audio hardware.
Using the New Null Conditional Operator in C# 6
By Bill Wagner
Jul 23, 2015
Bill Wagner, author of Effective C#: 50 Specific Ways to Improve Your C#, Second Edition, shows how to use the new null conditional operator in C# 6 to reduce code size, decrease bug counts, and make code more readable.
Programming Neo4j with Java
By Steven Haines
Jul 22, 2015
In the second article of a three-part series, Steven Haines discusses two ways of using Java to program for Neo4j: via the Core Java API, and via the Traversal API.
Upgrading and Repairing PCs Tip #12: How 3D Accelerators Work
By Scott Mueller
Jul 22, 2015
In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott discusses the evolution and optimization of 3D graphics on your computer.
Using Google Maps, Navigation, and Google Now with Your Android Phone
By Craig James Johnston
Jul 22, 2015
In this chapter from My Android Phone, learn how to use Google Maps, Navigation, and Google Now, including staying up to date with Google Now, navigating with Google Maps, and taking map data offline.
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.
Upgrading and Repairing PCs Tip #11: Why Won't My CD or DVD Play? Troubleshooting Optical Drives
By Scott Mueller
Jul 21, 2015
In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott offers tips for troubleshooting a CD or DVD that won't play.

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