The key difference between a false positive and a false negative is that a false positive incorrectly asserts that something will happen, while a false negative incorrectly asserts that something will ...

The key difference between recall and precision is that precision accounts for false positives, while recall accounts for false negatives. There are mathematical formulas to define recall and ...

The AWS Certified Developer Exam validates your ability to design and deploy scalable applications, work with APIs, manage data stores, and understand the mechanics of modern cloud development.

Having recently completed the certification, I want to share what it covers, how I studied, and what strategies helped me succeed. AWS AI Practitioner exam format The AWS AI Practitioner exam consists ...

Do you have a single class in your Java design that does too much and knows too much? If so, you've fallen into the God object antipattern. Here's a look at how to refactor your God object and ...

It's often clear who should be a Scrum developer or Scrum Master. But who should be the product owner on a Scrum team? That's a more difficult question.

Here's a quick tutorial on how to setup Nginx with PHP support. The key? The installation of fastCGI, aka PHP-FPM, so Nginx can serve PHP files to clients.

This Git and GitHub tutorial for beginners teaches how to use these source code version control tools that are at the heart of modern app development.

Daily Scrum standup meetings There is no such thing as a daily Scrum standup. We don’t do standups in Scrum. Scrum does have the daily Scrum, but nobody is expected to stand in it. In fact, the term ...

The three-level DBMS architecture makes database design more secure, extensible and accessible for client applications. Learn the basics of how it works, with examples.