Static Method Called using NULL Pointer in C++
The static methods in OOP (Object Oriented Programming) can be treated as ‘global methods’ for that class. It means that every instances (objects) of class share the same method/variables …
Square Root Under BASH Shell
September 18, 2014
BASH Shell, batch script, beginner, code, code library, implementation, programming languages, Shell Scripts
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The Linux Shell provides a useful calculator which is bc. It may be short for ‘bash calculator’. The bc takes the following parameters. root@uploadbeta:~# bc --help usage: bc -h …
Getting the Source File Name and Line Number using __FILE__ and __LINE__ compiler constants in C/C++
C/C++ compilers provide two pre-defined ‘constants’ that return the current source file name and the line number of current statement. So it is useful to locate the error when …
The Other Array Access Notation in C/C++
C/C++ is sometimes considered the mid-level programming language because if offers the powerful pointers. We know that, like many other programming languages, if you have a array named arr …
Tutorial: How to Write a Java Date Class (Basic OOP Concept)
The basic concept of OOP (Object Oriented Programming) is not difficult to understand and every Computer Science students should be able to demonstrate the OOP using Java, which is …
Interview Question: The Number of Bits Required to Convert One Integer to Another (C/C++ function)
September 16, 2014
beginner, c / c++, code, code library, implementation, interview questions, math, programming languages
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The question is: how many bits are required to change if we want to convert a integer to another? The problem is from . This may seem complicated at …