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The Fabric library – the deployment and development task manager

by Cathy Wang Martino Sabia | April 2014 | Open Source

In this article by Martino Sabia and Cathy Wang, authors of Python Tools for Visual Studio, we will learn everything about a Python library and a command-line tool that allows execution in application deployment and administration tasks.

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Understanding Data Reduction Patterns

by Pradeep Pasupuleti | April 2014 | Open Source

In this article by Pradeep Pasupuleti, author of Pig Design Patterns, we will discuss design patterns that perform dimensionality reduction using the principal component analysis technique, and numerosity reduction using the histogram technique.

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Creating a 3D world to roam in

by Tim Cox | April 2014 | Open Source

This article by Tim Cox, the author of Raspberry Pi Cookbook for Python Programmers, covers how to create a 3D world in which we can roam around.

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A Quick Start Guide to Scratch 2.0

by Michael Badger | April 2014 | Games Open Source

In this article by Michael Badger, author of the book Scratch 2.0 Beginner's Guide, Second Edition, we will take a tour of the online Scratch community. We will create our first Scratch animation while learning basic programming concepts such as loops.

In this article, we will be introduced to Scratch programming. We will:

  • Join and tour the online Scratch community
  • Create a project to take our first steps in Scratch
  • Introduce loops using forever and repeat blocks
  • Add and animate multiple sprites in a project
  • Remix a video-sensing project
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Advanced SOQL Statements

by Magulan D | April 2014 | e-Commerce Open Source

This article by Magulan D., the author of the book Getting Started with SOQL, gives more information on how to write advanced SOQL statements. This article deals with querying the records for one or more objects in a single SOQL statement. In this case, there should be some relationship among the objects. In Salesforce.com, we cannot query the records from two or more objects if they don't have a relationship between them. The relationships that are available in Salesforce.com are lookup relationship and master-detail relationship.

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