Lesson Re-Learned

Two lessons relearned/reinforced.  One in the positive and one in the negative.


1.) When working in a strange codebase, make no assumptions about the way that it works internally.  I got burned a little bit yesterday because I had made a false assumption about the way the existing code performed the aggregation of financial numbers.  I should have done a little more research on the inner workings of the existing code.  No big deal because…


2.) All two dozen places that I used aggregated data used the same 3-4 classes.  One 20 minute coding change later and all of the numbers on my report suddenly look much better.

About Jeremy Miller

Jeremy is the Chief Software Architect at Dovetail Software, the coolest ISV in Austin. Jeremy began his IT career writing "Shadow IT" applications to automate his engineering documentation, then wandered into software development because it looked like more fun. Jeremy is the author of the open source StructureMap tool for Dependency Injection with .Net, StoryTeller for supercharged acceptance testing in .Net, and one of the principal developers behind FubuMVC. Jeremy's thoughts on all things software can be found at The Shade Tree Developer at http://codebetter.com/jeremymiller.
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  • Joseph Gutierrez

    This data aggregates, are they in the data, domain, or view layer? Hmmm.. Maybe all three?