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Introducing Web Application Development in Rails

In this article by Syed Fazle Rahman , author of the book Bootstrap for Rails ,we will learn how to present your application in the best possible way, which has been the most important factor for every web developer for ages. In this mobile-first generation, we are forced to go with the wind and make our application compatible with mobiles, tablets, PCs, and every possible display on Earth. Bootstrap is the one stop solution for all woes that developers have been facing. It creates beautiful responsive designs without any extra efforts and without any advanced CSS knowledge. It is a true boon for every developer. We will be focusing on how to beautify our Rails applications through the help of Bootstrap. We will create a basic Todo application with Rails. We will explore the folder structure of a Rails application and analyze which folders are important for templating a Rails Application. This will be helpful if you want to quickly revisit Rails concepts. We will also see how to create views, link them, and also style them. The styling in this article will be done traditionally through the application's default CSS files. Finally, we will discuss how we can speed up the designing process using Bootstrap. In short, we will cover the following topics: Why Bootstrap with Rails? Setting up a Todo Application in Rails Analyzing folder structure of a Rails application Creating views Styling views using CSS Challenges in traditionally styling a Rails Application

Actors and Pawns

In this article by William Sherif , author of the book Learning C++ by Creating Games with UE4 , we will really delve into UE4 code. At first, it is going to look daunting. The UE4 class framework is massive, but don't worry. The framework is massive, so your code doesn't have to be. You will find that you can get a lot done and a lot onto the screen using relatively less code. This is because the UE4 engine code is so extensive and well programmed that they have made it possible to get almost any game-related task done easily. Just call the right functions, and voila, what you want to see will appear on the screen. The entire notion of a framework is that it is designed to let you get the gameplay you want, without having to spend a lot of time in sweating out the details.

Static Data Management

 In this article by Loiane Groner , author of the book Mastering Ext JS, Second Edition , we will start implementing the application's core features, starting with static data management. What exactly is this? Every application has information that is not directly related to the core business, but this information is used by the core business logic somehow. There are two types of data in every application: static data and dynamic data. For example, the types of categories, languages, cities, and countries can exist independently of the core business and can be used by the core business information as well; this is what we call static data because it does not change very often. And there is the dynamic data, which is the information that changes in the application, what we call core business data. Clients, orders, and sales would be examples of dynamic or core business data. We can treat this static information as though they are independent MySQL tables (since we are using MySQL as the database server), and we can perform all the actions we can do on a MySQL table.

Raspberry Pi Gaming Operating Systems

In this article by Shea Silverman , author of the book Raspberry Pi Gaming Second Edition , we will see how the Raspberry Pi, while a powerful little device, is nothing without software to run on it. Setting up emulators, games, and an operating system can be a daunting task for those who are new to using Linux. Luckily, there are distributions (operating system images) that handle all of this for us. In this article, we will demonstrate a distribution that have been specially made for gaming.

Animating a Game Character

In this Article by Claudio Scolastici , author of the book Unity 2D Game Development Cookbook . we will cover the following recipes: Creating an animation tree Dealing with transitions

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.

Puppet Language and Style

In this article by Thomas Uphill , author of the book Puppet Cookbook Third Edition , we will cover the following recipes: Installing a package before starting a service Installing, configuring, and starting a service Using regular expressions in if statements Using selectors and case statements Creating a centralized Puppet infrastructure Creating certificates with multiple DNS names

Selenium Testing Tools

In this article by Raghavendra Prasad MG , author of the book  Learning Selenium Testing Tools, Third Edition you will be introduced to the Selenium IDE WebDriver by demonstrating its installation, basic features, its advanced features, and implementation of automation framework with programming language basics required for automation. Automation being a key point of success of any software organization, everybody is looking at the freeware and huge community supported tool like Selenium. Anybody who is willing to learn and work on automation with Selenium has an opportunity to learn the tool from basic to advanced stage with this book and the book would become a life time reference for the reader.

Android and UDOO for Home Automation

This article written by Emanuele Palazzetti , the author of Getting Started with UDOO , will teach us about home automation and using sensors to monitor the CO2 emission by the wood heater in our home.

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.

Aggregators, File exchange Over FTP/FTPS, Social Integration, and Enterprise Messaging

In this article by  Chandan Pandey , the author of  Spring Integration Essentials , we will explore the out-of-the-box capabilities that the Spring Integration framework provides for a seamless flow of messages across heterogeneous components and see what Spring Integration has in the box when it comes to real-world integration challenges. We will cover Spring Integration's support for external components and we will cover the following topics in detail: Aggregators File exchange over FTP/FTPS Social integration Enterprise messaging

The Spark programming model

In this article by Nick Pentreath , author of the book Machine Learning with Spark , we will delve into a high-level overview of Spark's design, we will introduce the SparkContext object as well as the Spark shell, which we will use to interactively explore the basics of the Spark programming model. While this section provides a brief overview and examples of using Spark, we recommend that you read the following documentation to get a detailed understanding: Spark Quick Start: Spark Programming guide , which covers Scala, Java, and Python:

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