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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.

Trailing Commas in JavaScript

Mark Adelsberger Articles, HTML5, JavaScript, Tutorial Leave a Comment

Attention: The following article was published over 12 years ago, and the information provided may be aged or outdated. Please keep that in mind as you read the post.The Scenario You’re working on a JavaScript project, and your project includes the following object definition: You go to add another method to your object. You return to your test page and …

Messaging with RabbitMQ

Mark Adelsberger Articles, Development Technologies & Tools, Java, Python, Tutorial Leave a Comment

Attention: The following article was published over 12 years ago, and the information provided may be aged or outdated. Please keep that in mind as you read the post.We previously published a brief tutorial showing how to set up a Spring RabbitMQ Template. Now, let’s take a step back for a broader view of what RabbitMQ is and how you …

The Data Access Layer, Part 2 – Using the Criteria API

Mark Adelsberger API Development, Architecture, Articles, Tutorial 3 Comments

Attention: The following article was published over 13 years ago, and the information provided may be aged or outdated. Please keep that in mind as you read the post.In Part One of this series, I reviewed the basic design goals of a Data Access Layer (DAL), those being: Contain all of the information about the persistence mechanism; and Contain none …

The Data Access Layer, Part 1 – The Basics (And When Things Aren’t So Basic)

Mark Adelsberger Architecture, Articles 5 Comments

Attention: The following article was published over 13 years ago, and the information provided may be aged or outdated. Please keep that in mind as you read the post.Today, I’d like to talk about the data access layer (DAL). I’ll start with a brief review: the motivation behind the DAL, the design principles that define a theoretically “good” DAL, and …