Ruminations of J.net idle rants and ramblings of a code monkey

Simple StreamInsight App

StreamInsight | Code Sample
In a previous post, I talked about how to change one of the StreamInsight sample apps to run using a remote StreamInsight server. After a discussion with the person that asked the original question, I’ve put together a full sample app that can run either in process or connect to a remote serve... [More]

A couple of helpful StreamInsight Query extension methods

StreamInsight
When you are working with StreamInsight queries, there is a certain amount of information that isn’t available from the Query object, but should be … or, that is, I think should be and, since this is my blog, that’s all that really matters, right? The biggest one is the query’s current state. You ca... [More]

StreamInsight: Simple sample of adapters and Server.Connect

.NET Stuff | StreamInsight | Code Sample
This is in response to a question on the StreamInsight forum where a developer was asking for a sample that uses Server.Connect. Before I get into the details, notes: I used the PatternDetector sample from the StreamInsight Product Team Samples on CodePlex. Rather than write something from scrat... [More]

StreamInsight User Defined Aggregate: Standard Deviation

.NET Stuff | StreamInsight | Code Sample
Here’s a quick UDA to do standard deviation of a window. I found it interesting that I had to take the IEnumerable<double> source and call ToArray(). If I didn’t, it would throw a NullReferenceException, although why is something of a mystery. It would be nice if I could pass in th... [More]

How StreamInsight Data Is Different – Part I

StreamInsight
One of the key challenges that developers (from what I’ve seen) have when getting started with StreamInsight is in dealing with and understanding how data is handled. The concepts of input and output adapters is actually relatively simple and familiar to developers everywhere so that’s simple. The l... [More]