If you’re thinking about using MySQL with Linq to Entities, just don’t. The provider from mysql.com can’t handle subqueries, outer joins, or anything else I’ve tried with it beyond simple, one entity selects. Please let me know if there’s a killer EF provider for MySQL that I’ve missed somewhere.
Daniel Chambers posted a nice overview of the ASP.Net MVC metadata and validation classes, with diagrams and analysis. If you want or need to know how these work, this article will save you at least an hour or two of reading the MVC source.
Dependency injection (DI) is a very useful technique, especially when it is used consistently throughout a system, but it’s beyond the scope of this post to discuss its virtues – Martin Fowler’s article is a good introduction.
DI comes in several flavors, but two of the most common should be mentioned. Constructor injection, in which …
When I learned Haskell, there were hardly any books on the subject at all, and those that did exist weren’t really targeting professional software developers. So I wound up learning primarily from academic papers, which was a struggle, as you might imagine. I am happy to report that the need for that sort of thing …
Given that installing Haskell packages is painless with Cabal and often exasperating without it, why isn’t it just included by default in a GHC install? Seems like an easy step to take that would make a huge difference to the user community, especially new users. Are we supposed to use the new (beta) Haskell Platform …
I’ve been looking for tools for data analysis lately, and remembered R, a language primarily geared toward statistics and graphing. R is a little bit unusual in how it works compared to other languages, so a quick skim of the manual wasn’t giving me a good understanding. A book was called for. Most of the …
I sometimes have .Net library code that needs to work both in web applications and in console or service applications. The differences between the two environments, even for a library, are sometimes surprising. For example, I recently needed to find all the assemblies available to (i.e., in the same folder with) the application. My first …