Technology Questions

A library of container templates approved by the ANSI committee for inclusion in the standard C++ specification. A programmer who then launches into a discussion of the generic programming model, iterators, allocators, algorithms, and such, has a higher than average understanding of the new technology that STL brings to C++ programming

Static members are shared by all the instances of the class

The built in function called GetDate() returns the time stamp.

The style attribute specifies an inline style for an element. The style attribute will override any style set globally,

e.g. styles specified in the <style> tag or in an external style sheet.

Cloud computing platform has various databases that are in support. The open source databases that are developed to support it is as follows:

- MongoDB: is an open source database system which is schema free and document oriented database. It is written in C++ and provides tables and high storage space. 

- CouchDB: is an open source database system based on Apache server and used to store the data efficiently

- LucidDB: is the database made in Java/C++ for data warehousing. It provides features and functionalities to maintain data warehouse.

PHP supports single level inheritance.

Inheriting a class would mean creating a new class with all functionality of the existing class in addition to some more. The created class is called as a subclass of the parent class. Parent is a keyword which we use to access members of a parent class. Inheritance is usually defined by using the keyword “Extend”. $this is used a reference to the calling object. Inheritance avoids redundancy of code.

Example:

Class employee extends manager : Here Employee is a subclass of manager.

Echo $this->name can be used to echo variable name of the parent class.