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 …

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 …

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

What is a StackOverflowError, what causes it, and how should I deal with them?

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 …

Aug 19, 2008 · I don't think it's necessarily accurate to say lambda functions are the same as anonymous functions. For some languages like JavaScript a lambda expression is a specific …

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 …

Feb 27, 2010 · What is a segmentation fault? Is it different in C and C++? How are segmentation faults and dangling pointers related?

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?