What Is a Vtable in C++ and What Is It Used For?
Vtable is a form of late binding – a lookup table of functions that resolve function calls dynamically. …
Interview Questions Archive
15 PHP Interview Questions and Answers
Are you looking forward to a PHP interview for a web developing career? Interviews can be very intimidating …
How to Use the Java XOR Operator to Your Advantage
The little-known Java XOR operator can be extremely useful when in need of a parity check or a …
What’s the Difference Between a Clustered and Non-clustered Index?
One of the commonly tested interview questions is the difference between clustered and nonclustered index in database management. …
How Do Java Serializable Objects Work?
Java serializable objects are common in Java programming. But what are they and how do they work? This is …
How & When to Use C++’s Virtual Destructor?
Do destructors always get called for every object, or do we need to make them virtual? What is a virtual …
How to Use Java Inner Class to Your Advantage?
Since inner classes were introduced in version 1.1 of Java, they have triggered a lot of different opinions …
How to Reverse a Linked List in Java?
A linked list is a kind of linear data structure. Each member of the list, called a “node,” …
What’s the Difference Between a Primitive Type and a Class Type in Java?
All variables used when coding with Java must have a type. Types tell Java how to treat a …
What is PHP Pear?
One of the common issues you may face when scripting with PHP language is writing a project that …