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Managing local environments

In this article by Juampy Novillo Requena , author of Drush for Developers, Second Edition , we will learn that Drush site aliases offer a useful way to manage local environments without having to be within Drupal's root directory.

Unit Testing

In this article by Mikael Lundin , author of the book Testing with F# , we will see how unit testing is the art of designing our program in such a way that we can easily test each function as isolated units and such verify its correctness. Unit testing is not only a tool for verification of functionality, but also mostly a tool for designing that functionality in a testable way. What you gain is the means of finding problems early, facilitating change, documentation, and design. In this article, we will dive into how to write good unit tests using F#: Testing in isolation Finding the abstraction level

Sprites in Action

 In this article by Milcho G. Milchev , author of the book SFML Essentials , we will see how we can use SFML to create a customized animation using a sequence of images. We will also see how SFML renders an animation. Animation exists in many forms. The traditional approach to animation is drawing a sequence of images which differ slightly from each other, and showing them on a screen one after the other. Even though this approach is still widely used, there are more elegant alternatives. For example, drawing (or modelling in 3D) only the limbs of a character and then animating how they move relative to time is a technique that saves a lot of time for artists. It also creates smoother results because not every frame of the animation has to be redrawn. In this book, we are going to explore only the traditional approach, since it is the simpler solution for programmers, and in many cases it is enough to bring life to any sprite.

Customizing App Controller

In this article by Nasir Naeem , the author of Learning System Center App Controller , introduces you to the App Controller administrative portal. Further instructions are provided to integrate the SCVMM server with App Controller. It also covers integrating the Azure cloud subscription, roles-based access, adding network share to the SCVMM server, and configuring the SSL certificate for the App Controller website. System Center 2012 R2 App Controller provides a web-based portal to manage an on-premises Azure Cloud and a third party cloud solution through a single pane of glass. Before we can manage these solutions, we will need to connect to these resources by integrating them in the App Controller admin console. This article will walk you through the steps required for integration.

Agile data modeling with Neo4j

Booting the System

 In this article by William Confer and William Roberts , author of the book, Exploring SE for Android , we will learn once we have an SE for Android system, we need to see how we can make use of it, and get it into a usable state. In this article, we will: Modify the log level to gain more details while debugging Follow the boot process relative to the policy loader Investigate SELinux APIs and SELinuxFS Correct issues with the maximum policy version number Apply patches to load and verify an NSA policy

Controlling DC motors using a shield

 In this article by Richard Grimmett , author of the book Intel Galileo Essentials ,let's graduate from a simple DC motor to a wheeled platform. There are several simple, two-wheeled robotics platforms. In this example, you'll use one that is available on several online electronics stores. It is called the Magician Chassis, sourced by SparkFun. The following image shows this:

Packaged Elegance

In this article by John Farrar , author of the book KnockoutJS Web development , we will see how templates drove us to a more dynamic, creative platform. The next advancement in web development was custom HTML components. KnockoutJS allows us to jump right in with some game-changing elegance for designers and developers. In this article, we will focus on: An introduction to components Bring Your Own Tags ( BYOT ) Enhancing attribute handling Making your own libraries Asynchronous module definition ( AMD )—on demand resource loading This entire article is about packaging your code for reuse. Using these techniques, you can make your code more approachable and elegant.

iOS Security Overview

In this article by Allister Banks and Charles S. Edge , the authors of the book,  Learning iOS Security , we will go through an overview of the basic security measures followed in an iOS. Out of the box, iOS is one of the most secure operating systems available. There are a number of factors that contribute to the elevated security level. These include the fact that users cannot access the underlying operating system. Apps also have data in a silo (sandbox), so instead of accessing the system's internals they can access the silo. App developers choose whether to store settings such as passwords in the app or on iCloud Keychain, which is a secure location for such data on a device. Finally, Apple has a number of controls in place on devices to help protect users while providing an elegant user experience. However, devices can be made even more secure than they are now. In this article, we're going to get some basic security tasks under our belt in order to get some basic best practices of security. Where we feel more explanation is needed about what we did on devices, we'll explore a part of the technology itself in this article. This article will cover the following topics: Pairing Backing up your device Initial security checklist Safari and built-in app protection Predictive search and spotlight

Entity Framework Code-First: Accessing Database Views and Stored Procedures

In this article by Sergey Barskiy , author of the book Code-First Development using Entity Framework , you will learn how to integrate Entity Framework with additional database objects, specifically views and stored procedures. We will see how to take advantage of existing stored procedures and functions to retrieve and change the data. You will learn how to persist changed entities from our context using stored procedures. We will gain an understanding of the advantages of asynchronous processing and see how Entity Framework supports this concept via its built-in API. Finally, you will learn why concurrency is important for a multi-user application and what options are available in Entity Framework to implement optimistic concurrency.

The Observer Pattern

In this article, written by Leonardo Borges , the author of Clojure Reactive Programming , we will: Explore Rx's main abstraction: Observables Learn about the duality between iterators and Observables Create and manipulate Observable sequences


In this article by Deepak Vohra, author of the book, Advanced Java® EE Development with WildFly® you will see how to create a Java EE project and its pre-requisites. The objective of the EJB 3.x specification is to simplify its development by improving the EJB architecture. This simplification is achieved by providing metadata annotations to replace XML configuration. It also provides default configuration values by making entity and session beans POJOs ( Plain Old Java Objects ) and by making component and home interfaces redundant. The EJB 2.x entity beans is replaced with EJB 3.x entities. EJB 3.0 also introduced the Java Persistence API ( JPA ) for object-relational mapping of Java objects. WildFly 8.x supports EJB 3.2 and the JPA 2.1 specifications from Java EE 7. The sample application is based on Java EE 6 and EJB 3.1. The configuration of EJB 3.x with Java EE 7 is also discussed and the sample application can be used or modified to run on a Java EE 7 project. We have used a Hibernate 4.3 persistence provider. Unlike some of the other persistence providers, the Hibernate persistence provider supports automatic generation of relational database tables including the joining of tables. In this article, we will create an EJB 3.x project. This article has the following topics: Setting up the environment Creating a WildFly runtime Creating a Java EE project

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