Explanation of BASE terminology

The BASE acronym is used to describe the properties of certain databases, usually NoSQL databases. It’s often referred to as the opposite of ACID. There are only few articles that touch upon the details of BASE, whereas ACID has plenty of articles that elaborate on each of the atomicity, consistency, isolation and durability properties. Wikipedia … Read more

What is Weak Head Normal Form?

What does Weak Head Normal Form (WHNF) mean? What does Head Normal form (HNF) and Normal Form (NF) mean? Real World Haskell states: The familiar seq function evaluates an expression to what we call head normal form (abbreviated HNF). It stops once it reaches the outermost constructor (the “head”). This is distinct from normal form (NF), in which an expression is … Read more

What is a web service endpoint?

Let’s say my web service is located at http://localhost:8080/foo/mywebservice and my WSDL is at http://localhost:8080/foo/mywebservice?wsdl. Is http://localhost:8080/foo/mywebservice an endpoint, i.e., is it the same as the URI of my web service or where the SOAP messages received and unmarshalled? Could you please explain to me what it is and what the purpose of it is? … Read more

Software Design vs. Software Architecture [closed]

Closed. This question is opinion-based. It is not currently accepting answers. Closed 8 years ago. Locked. This question and its answers are locked because the question is off-topic but has historical significance. It is not currently accepting new answers or interactions. Could someone explain the difference between Software Design and Software Architecture? More specifically; if … Read more

How to find where a method is defined at runtime?

We recently had a problem where, after a series of commits had occurred, a backend process failed to run. Now, we were good little boys and girls and ran rake test after every check-in but, due to some oddities in Rails’ library loading, it only occurred when we ran it directly from Mongrel in production … Read more

What is a Y-combinator? [closed]

Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 3 years ago. Improve this question A Y-combinator is a computer science concept from the “functional” side of things. Most programmers … Read more