A JavaBean is just a standard. It is a regular Java class, except it follows certain conventions: All properties are private (use getters/setters) A public no-argument constructor Implements …

May 5, 2009 · Developers are often confused by what a callback is because of the name of the damned thing. A callback function is a function which is: accessible by another function, and is invoked after …

What is a "stored procedure" and how do they work? What is the make-up of a stored procedure (things each must have to be a stored procedure)?

I've looked on Wikipedia, googled it, and read the official documentation, but I still haven't got to the point where I really understand what JSON is, and why I'd use it. I have been building

Aug 19, 2008 · For a person without a comp-sci background, what is a lambda in the world of Computer Science?

May 9, 2012 · Yeah, the noob question of the century... But in all seriousness, I actually have no idea what a float value actually is... And more importantly, the difference between a float and an integer. T...

Nov 15, 2008 · UUID stands for Universally Unique IDentifier. It's a 128-bit value used for a unique identification in software development. UUID is the same as GUID (Microsoft) and is part of the …

An IS-A relationship is inheritance. The classes which inherit are known as sub classes or child classes. On the other hand, HAS-A relationship is composition. In OOP, IS-A relationship is completely …

Aug 29, 2008 · When writing multi-threaded applications, one of the most common problems experienced are deadlocks. My questions to the community are: What is a deadlock? How do you …

Aug 29, 2008 · A semaphore is a programming concept that is frequently used to solve multi-threading problems. My question to the community: What is a semaphore and how do you use it?