About the Author
Mark Adelsberger

Mark Adelsberger

Mark is a software developer with the Keyhole team living in St. Louis. In addition to expertise surrounding Java and JavaScript technologies, Mark has spent time focused on data/ETL in his 17+ years of experience in both “start-up” and Fortune 500 organizations.

Web Development Business

SQL for Application Developers

Mark Adelsberger Databases, Programming, Technology Snapshot Leave a Comment

“SQL? Isn’t that just something my ORM tools use?” Often application developers can and should remain at least one level removed from SQL. JPA and the Entity Framework each provide more abstract (and OO-friendly) query languages, and it’s often unnecessary to write any queries at all. If you ever diagnose production support issues, though, being proficient with SQL can greatly …



A JavaScript Unit Test Trap

Mark Adelsberger JavaScript, Technology Snapshot 3 Comments

You’re a few months into writing a shiny new web app, and the team just settled on some new standards for data structures used for communication with the server. You’ll need to refactor a few pages, but that’s not a big deal. Your team has been pushing good unit testing practices, and you’ve got great coverage for the affected code. …



Unit Testing in JavaScript

Mark Adelsberger HTML5, JavaScript, Testing 2 Comments

JavaScript has come a long way. There was a time it was easily dismissed – maybe suitable for noncritical validations, but not much else. Over the years, the worst of the obstacles to writing large-scale JavaScript programs have fallen away, or at least been mitigated. JavaScript dialects are more consistent among browsers than they once were, and tools like jQuery can …