Latest Articles

Adding Interactive Course Material in Moodle 1.9: Part 1

by William Rice | July 2009 | Moodle Open Source

In this three-part article series by William Rice, we will learn how to add Interactive course material in Moodle. Interactive course activities enable students to interact with the instructor, the learning system, or each other. Note that Moodle doesn't categorize activities into 'Interactive' and 'Static'. In Moodle, all activities are added from the Add an activity... menu after turning the editing on. We use the terms 'Interactive' and 'Static' as a convenient way to categorize the activities that Moodle offers.

Read Adding Interactive Course Material in Moodle 1.9: Part 1 in full

Query Performance Tuning in Microsoft Analysis Services: Part 1

by Chris Webb | July 2009 | .NET Microsoft MySQL PHP

In this two-part article by Chris Webb, we will cover query performance tuning, including how to design aggregations and partitions and how to write efficient MDX. The first part will cover performance-specific design features, along with the concepts of partitions and aggregations.

One of the main reasons for building Analysis Services cubes as part of a BI solution is because it should mean you get better query performance than if you were querying your relational database directly. While it's certainly the case that Analysis Services is very fast it would be naive to think that all of our queries, however complex, will return in seconds without any tuning being necessary. This article will describe the steps you'll need to go through in order to ensure your cube is as responsive as possible.

Read Query Performance Tuning in Microsoft Analysis Services: Part 1 in full

Query Performance Tuning in Microsoft Analysis Services: Part 2

by Chris Webb | July 2009 | .NET Microsoft MySQL PHP

In the previous part of the article by Chris Webb, we covered performance-specific design features such as partitions and aggregations. In this part, we will cover MDX calculation performance and caching. We'll see how important caching is to overall query performance.

Read Query Performance Tuning in Microsoft Analysis Services: Part 2 in full

Getting Your APEX Components Logic Right

by Douwe Pieter van den Bos | July 2009 | Oracle

In this article by Douwe Pieter Van Den Bos, we will get ready for our Forms conversion and generation. In this part of our conversion project, we will investigate, analyze, and adjust some of the most important parts of our application. This means that we will set everything up for the generation of the application. We will discuss the following parts of the conversion project in this article:

  • Investigating the components that will be generated
  • Getting to know the database blocks in our Forms files
  • Looking deeper into the block items inside our blocks and editing them
  • Enhancing the queries on which our blocks are based
  • Analyzing the triggers we have in the Forms XML files
  • Massively changing the completeness and applicability of triggers or items
  • Customizing the query that the blocks are based on in order to complete our generation
  • Understanding the way our pages will be generated in APEX
  • Editing the titles of our blocks and items
  • Analyzing our business logic (probably the most important part)
Read Getting Your APEX Components Logic Right in full

Creating Convincing Images with Blender Internal Renderer-part1

by Reynante Martinez | July 2009 | Open Source Web Graphics & Video

In this article series by Reynante Martinez, we will learn how to go about creating really convincing still images in Blender with the help of Blender Internal Renderer.

Read Creating Convincing Images with Blender Internal Renderer-part1 in full
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