C++ Programming Tutorials

C++ Programming Tutorials And Articles
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nullptr A C++ programmer frequently come across pointer variables, pointer arguments to function and pointer template arguments. Let us take different cases to see how C++98 handles the situation where a pointer is set to nothing. When we write void *p = 0; or void *p = NULL; What do we do?...
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Objective of a programming language is to make the life of programmers easy. Human programmers do mistakes while writing code. While writing code you might be writing something different from what is in your mind. This can be due to typos, absent mindedness, misunderstanding the language syntax or...
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Invoking copy constructor in C++ has always been problematic, specially when the copy operation is expensive. While passing parameter by value and the invocation of copy constructor can impose huge performance penalty specially when temporary objects are created, copied to another object and the...
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C++ is a programming language which has evolved from it’s ancestor C language. Bjarne Stroustrup is the creator of the C++ language. Before C++ language got proper shape the creator has created it’s previous version called ‘C with Classes’ in the duration of 1979 to 1983. It was actually a...
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All container classes are part of std name space. Most of the member functions of container classes are common and have common functionality. The decision of which container to use for specif need does not generally depend on the functionality of a container but the efficiency of some of it’s...
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We recently saw a tutorial on Vectors in C++. Now its time for better things. So we all know what a set is. It is a group of elements in which there is no duplicate. Consider we need a container with following features: -> add an element, but do not allow duplicates -> remove elements -> get...
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We have all been using screensaver's since the time we first entered the world of computers. Everyone of us must have thought how one can make a screensaver of his/her own. Screensavers were originally meant to prevent damage to phosphorus coated computer screens. Now they are mostly used for...
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We have all read about C++ Standard Template Library. It provides generic code for data types. Like vectors, pairs, list, sets, maps, etc. Today we'll take a good look into Vectors. VECTOR We have all been using arrays to store elements. But you must have thought at one point or another,...
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I thought of adding this small code snippets to thelibrary which just reverses the content of the array. Not sort in ascending/descending order, but put last array entry to first, etc. EG.. if array consists of {2,3,4,7,12,98},, need to output {98, 12,7,4,3,2} #include <iostream.h> #define...
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Complete Binary tree program done in C++ including Inorder, Preorder and Postorder Traversal. #include <iostream.h> #include <stdlib.h> enum {TRUE = 1,FALSE = 0}; typedef struct _node {
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Finds INTEGRAL of f(x) by Trapezoidal and Simpson method Simultaneously TRAPEZOIDAL RULE :- Integral of F(x) in between the limits a and b is given by =(h/2)*(y+2(y+y+y+..y)+y) where y=F(x), x=x+h, h=(b-a)/n.
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Find roots of any linear algebraic nth order equation by Regula Falsi method The Code #include <stdio.h> #include <conio.h> #include <math.h> #define ACC 0.00001 #define N 10
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This is a basic attempt to accomplish this, there is already a real big load of code about this matter... I wanted to use a different approach, I created 1 table that contains all the 256 bytes, and i used it to make the conversion.. you look at the code, better The tables ...
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An interesting example where it is intercepted, as a test, the function STRLWR. I will take no credit out of the hook, since it is about a simple patch that I googled in like 5 seconds. What I will show is a pair of pictures at the respect. How the executable was compiled, so it will be MSVCRT DLL...
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Level: Beginner, Test environment: WinXP SP3 This tutorial is going to teach you how to make a 'DLL wrapper'. Wrappers are own versions of known DLL's. In this case we're going to make a wrapper of a very known DLL known as PSAPI.DLL. If you don't know it then find the information somewhere XD....
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LEVEL: BEGINNER, Test Environment: WinXP SP3 This is a demonstration of how Opengl32 with GPA can be applied an IAT HOOK to intercept functions in a process. In this case, it is about an EXE which uses some functions from Opengl32 to create a window and render an image. ...
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Object oriented programming is a design philosophy. In programming paradigm, object oriented programming is the process by which a problem is decomposed into a number of entities called object and then data and functions are built around these objects. The main advantages of OOP are: ...
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Here i am going to show you some basic C++ Programming... If you have any questions just ask. :) #include <cstdlib> // This must be used if you are going to be a MS-DOS Application. #include <iostream> // This must be included in the header file if you are going to use "Cout" and "Cin"...
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When you plan to design a Class for which you feel that it should not be inherited further by any other class then...Here is a tip : Use of Virtual Private Inheritance #include <iostream> using namespace std; class Base { protected:
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Introduction Exception handling is a mechanism when a part of code detects exceptional suituation, it seperates the code where it detects and handles it seperately. This mechanism can be done differently in C and C++, ie eigther using setjmp()&longjmp() or Exception in c++ try/catch(...). ...
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