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SQL Server AlwaysOn and Availability Groups
By Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
Jun 29, 2015
SQL Server's AlwaysOn is taking the database world by storm. This chapter from Microsoft SQL Server 2014 Unleashed dives into the AlwaysOn new features and availability groups.
Introduction to the Art of Scalability
By Martin L. Abbott, Michael T. Fisher
Jun 26, 2015
Michael T. Fisher and Martin L. Abbott introduce their book, The Art of Scalability: Scalable Web Architecture, Processes, and Organizations for the Modern Enterprise, 2nd Edition, which covers everything you need to know to smoothly scale products and services for any requirement.
Auto Property Enhancements in C# 6
By Bill Wagner
Jun 25, 2015
Bill Wagner, author of Effective C#: 50 Specific Ways to Improve Your C#, Second Edition, demonstrates how enhancements in auto properties make it easier to express your design intent. This modern syntax helps your code's design to be cleaner and clearer, with a much more concise syntax for read-only properties.
The Code-Focused Experience in Visual Basic 2015
By Alessandro Del Sole
Jun 25, 2015
In this first article of a new series, Alessandro Del Sole, author of Visual Basic 2015 Unleashed, introduces improvements in the coding experience with Visual Studio 2015 applied to the Visual Basic programming language.
Video: Learn More Python the Hard Way: Refining
By Zed A. Shaw
Jun 24, 2015
Zed A. Shaw, author of Learn More Python the Hard Way LiveLessons (Workshop), discusses refining your Find Project.
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.
What's Special about Mobile Testing?
By Daniel Knott
Jun 24, 2015
This chapter from Hands-On Mobile App Testing: A Guide for Mobile Testers and Anyone Involved in the Mobile App Business explains that mobile testing is completely different from testing on other technologies such as laptops or desktop computers. The mobile user is on the move while he or she is using your product. Therefore, it is very important to know about the different data networks and the different types of mobile devices. This chapter also provided a first overview of mobile users’ high expectations. And last but not least, this chapter should remind you to never underestimate a new technology. Be open-minded and curious to improve your daily work life.
Reliability, Resiliency and Recovery Design Patterns in Cloud Computing
By Thomas Erl, Robert Cope, Amin Naserpour
Jun 23, 2015
Contingency planning efforts for continuity of operations and disaster recovery are concerned with designing and implementing cloud architectures that provide runtime reliability, operational resiliency, and automated recovery when interruptions are encountered, regardless of origin. The patterns in this chapter from Cloud Computing Design Patterns address different aspects of these requirements.
Swift Development: Nobody Knows the Tuples I've Seen
By Erica Sadun
Jun 23, 2015
In the Swift programming language, tuples play specialized roles that lend power and flexibility to your development. Erica Sadun, bestselling author of The Gourmet iOS Developer's Cookbook: Even More Recipes for Better iOS App Development, explores tuples in depth.
Effective Python Items 15 & 23: How and Why to Use Closures
By Brett Slatkin
Jun 22, 2015
Python has first-class functions, meaning you can assign them to variables, pass them as arguments to other functions, compare them in expressions, etc. Python also supports closures: functions that refer to variables from the scope in which they were defined. Put together, first-class functions and closures give you a powerful tool for implementing simple interfaces while maintaining state. In these excerpted items from Effective Python: 59 Specific Ways to Write Better Python, Brett Slatkin shows you how and why to use first-class functions and closures in your Python programs.
Installation and Configuration of WAN Technologies
By Emmett Dulaney
Jun 22, 2015
This chapter from CompTIA Network+ N10-006 Exam Cram, 5th Edition covers characteristics and benefits of various WAN technologies, and explains how to install and configure equipment in the appropriate location using best practices.
In-Memory Optimization and the Buffer Pool Extension in SQL Server 2014
By Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
Jun 18, 2015
To take maximum advantage of the performance improvements that can be achieved from having your critical OLTP tables memory resident, Microsoft developed the In-Memory Optimization feature for SQL Server. Another feature introduced in SQL Server 2014 to take advantage of the lower costs and increased sizes of SSDs, is the Buffer Pool Extension feature. The authors of Microsoft SQL Server 2014 Unleashed discuss both of these exciting new features in this chapter.
Top 10 Best Practices for Mobile App Testing
By Daniel Knott
Jun 17, 2015
Daniel Knott, author of Hands-On Mobile App Testing, describes 10 best practices required for mobile app testers during the app development lifecycle.
Video: Learn More Python the Hard Way: Refactoring
By Zed A. Shaw
Jun 17, 2015
In this excerpt from Learn More Python the Hard Way LiveLessons (Workshop), Zed A. Shaw discusses refactoring in Python.
Defining Functions in Python
By Robert Sedgewick, Robert Dondero, Kevin Wayne
Jun 16, 2015
This chapter from Introduction to Programming in Python: An Interdisciplinary Approach covers functions in Python, including using and defining functions, implementing mathematical functions, using functions to organize code, and passing arguments and returning values.
Importing Your Photos Using Photos for Mac
By Michael Grothaus
Jun 15, 2015
This chapter from My Photos for Mac explains the ways you can import your pictures from various devices, including your digital camera; an iPhone, iPod touch, and iPad; and folders on your computer.
VLAN Configuration Fundamentals and Commands
By Sean Wilkins
Jun 15, 2015
After becoming familiar with basic VLAN concepts, you need to learn how to configure your organization's networks and devices. Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, discusses important concepts and commands you will use in setting up networks and getting devices to talk to each other.
Wireless LAN Implications, Problems, and Solutions
By Jim Geier
Jun 15, 2015
When designing and supporting a WLAN, however, you must be aware of potential implications, such as security vulnerabilities, radio signal interference, multipath propagation, and other issues. This chapter from Designing and Deploying 802.11 Wireless Networks explains the impacts of these problems and introduces some ways to resolve them.
Notes from WWDC 2015: Playing in a GameplayKit Wonderland
By Erica Sadun
Jun 13, 2015
Integrate low-cost high-reward gaming features into your apps with Apple's new GameplayKit framework. In this article, Erica Sadun, author of The Gourmet iOS Developer's Cookbook: Even More Recipes for Better iOS App Development, explores this new technology.
Microwave Integrated Circuits
By Kyung-Whan Yeom
Jun 12, 2015
This chapter from Microwave Circuit Design: A Practical Approach Using ADS discusses the classification of microwave integrated circuits and the use of microwave circuits in a communication system.

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