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Using a Persistent Connection

by Roberto Vespa | April 2014 | Cookbooks Open Source Web Development

In this article by Roberto Vespa, the author of SignalR Real-time Application Development Cookbook, we will cover the following recipes:

  • Adding and registering a persistent connection

  • Sending messages from the server

  • Sending messages to the server

  • Exchanging messages between a server and a JavaScript client

  • Exchanging messages between a server and a .NET client

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Introduction to Veeam® Backup & Replication for VMware

by Christian Mohn | April 2014 | Enterprise Articles

In this article by Christian Mohn, the author of Learning Veeam® Backup & Replication for VMware vSphere, we will learn about various backup strategies and also go through various components of Veeam Backup and replication.

Read Introduction to Veeam® Backup & Replication for VMware in full

Analyzing a Complex Dataset

by Steven F. Lott | April 2014 | Open Source

This article is written by Steven F. Lott the author of the book Mastering Object-oriented Python. Let's assume we've been given a big set of data that we need to analyze to produce useful summaries. In many cases, we're given data that's not a neat fit with the simplistic row-and-column form of a spreadsheet.

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The Software Task Management Tool - Rake

by Andrey Koleshko | April 2014 | Open Source

In this article, by Andrey Koleshko, author of the book Rake Task Management Essentials, we will cover the installation of Rake, the definition of basic terms such as rake task and Rakefile, and how to use them for easy programming issues. The introduction will be given using straightforward examples to explain the terms as clearly as possible. You will see that Rake is a tool that is written in the Ruby programming language, and that's why any Ruby code can be written in a Rake application. Also, you have the choice of using any available Ruby library in a Rake project. This feature makes Rake the winner compared to many other build tools, which use their own limited languages. The article will serve as a base for introducing Rake's Domain Specific Language (DSL) and project file structuring.

In this article, we will cover the following topics:

  • Installing Rake
  • Introducing rake tasks
  • The command-line arguments
  • Using global Rakefiles to run tasks anywhere
  • Defining custom rake tasks
  • The structure of a Rake project
  • The code conventions of Rake
Read The Software Task Management Tool - Rake in full

Moodle for Online Communities

by Michelle Moore Susan Smith Nash | April 2014 | Open Source

In this article, written by Susan Smith Nash and Michelle Moore, the authors of Moodle Course Design Best Practices, we will discuss the use and implementation of Moodle for Online communities.

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