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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

Christmas Light Sequencer

In this article by Sai Yamanoor and Srihari Yamanoor , authors of the book Raspberry Pi Mechatronics Projects Hotshot , have picked a Christmas-themed project to demonstrate controlling appliances connected to a local network using Raspberry Pi. We will design automation and control of Christmas lights in our homes. We will decorate our homes with lights for any festive occasion and work on a article that enables us to build fantastic projects. We will build a local server to control the devices. We will use the web.py framework to design the web server. We'd like to dedicate this article to the memory of Aaron Swartz who was the founder of the web.py framework.

Agile data modeling with Neo4j

The Raspberry Pi and Raspbian

 In this article by William Harrington , author of the book Leaning Raspbian , we will learn about the Raspberry Pi, the Raspberry Pi Foundation and Raspbian, the official Linux-based operating system of Raspberry Pi. In this article, we will cover: The Raspberry Pi History of the Raspberry Pi The Raspberry Pi hardware The Raspbian operating system Raspbian components

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.

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