C Programming Tutorials

C Programming Tutorials And Articles
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Introduction In this i have made use of recursion to calculate x to the power n #include <stdio.h> main() {
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C Program to solves linear programming problem or LPP by "SIMPLEX" and "DUAL SIMPLEX" method. The code Simplex Method Code #include <stdio.h> #include <conio.h> #define INFINITY 999 #define N 3
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Linked Lists Implementation ... #include<stdio.h> #include<conio.h> #include<malloc.h> void insertafter(struct node ** ,int ,int); void insertatbeg(struct node ** ,int ); void add(struct node ** ,int); void search(struct node **,int);
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WHAT IS A UNION A union, is a collection of variables of different types, just like a structure. However, with unions, you can only store information in one field at any one time. You can picture a union as like a chunk of memory that is used to store variables of different types. Once a new...
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Mostly people are using this algorithm to compute matrix multiplication: #define n 1000 int main() { int a,b,c; c=0; for( i=0;i<n;++i) {
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Article is originally written by Zeeshan Amjad Introduction Here I am going to give a detail about Recursion in C++. Definition: Recursion is the process where a function is called itself but stack frame will be out of limit because function call will be infinite times. So a termination...
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As the topic says, self printing programs are nothing but they reproduce themselves as output. Such programs are referred as Quines from the name of the logician Willard van Orman Quine who introduced the concept. I said an 'Ah!!!' when I heard about Quines for first time, spent more hours to...
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Dev-Cpp is an application which is used to code and run programs in C/C++. It has its variations but none of them come with a pre-installed graphics library. So if you are switching from some primitive editor like TurboC to Dev-Cpp (which follows ANSI specifications correctly) and try to write the...
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Processes are the primitive units for alocation of system resources...Each process have their own address space and usually one thread of control. The process which makes another process is called the parent and the process which it makes is called a child process..As we know every process have its...
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A friend of mine who is learning to program in C, was having diffculty in writing a program to find the sum of all the prime numbers between a specified limit (in her case 3-60). I helped her out with the program, and I thought I'll post it here which might help others. /* ** Program to...
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Stack memory Let's suppose there is nothing on the stack to begin with. One of the functions either the calling function or the called function depending on the calling convention would start a stack. Lets take a very simple C / C++ program to see how things would work. int func(int i) {...
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A simple code of Http-Web-Server in C done by a beginner level programmer. Please suggest if you liked it and lets make it better !! Hows that!!! The Code #include<stdio.h> #include<string.h> #include<arpa/inet.h> #include<netdb.h> #include<sys/types.h> #include<sys/socket.h>
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What is a socket? See there are many types of sockets hardware sockets “like electrical sockets” etc. and software “programming sockets” like what i'm going to talk about from now onwards. See , a socket can be thought like any standard way to perform network communication through our system...
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Format strings are the strings mainly associated with printf's set of instructions (like printf,fprintf etc..) which basically stands for print format.... These functions accept several arguments and put them on the stack..and as a format specifier is noted in the string the function pops the data...
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Integers is a fundamental data type in a C program, They are used to represent a finite subset of mathematical integers, C Provides us with a suite of functions, and quite a lot of modifiers for manipulating these integers , but if these functions and modifiers are not used properly and carefully...
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In this article, I'll present some interesting 'C' problems for which I will not provide the answer. If you are not bale to solve any problem, then just leave a comment here so that everybody is benefited when the problem is discussed. Problems 1) Will the program execute without any problem?...
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After writing my previous article Virus Code in Linux - C Code That Changes it's Process Name Run Time, I wondered if a process can change its name then why cannot it change its PID. And what if a process can change both its name and PID after lets say every 1 second? Well it will be a difficult...
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In this article I'm going to show you how to change value of variable during run time. There are many tools around how to do this easily, but I will focus on the way doing it programatically, specifically using C language. Tools I will use: Cheat Engine 6.0 Here is a simple code for login, I...
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In this tutorial, we'll be looking at the code structure of the 'echo' utility and will try to understand how it works, for those who are unfamilliar with the 'echo' utility, its one of the most basic and most useful utilities in a shell it prints out its arguments on the standard output, if you...
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I am doing C programming from a couple of years ago and finally I convinced myself and grabbed all my guts to write an article on Pointers. Now, one could easily question Why? Basically, Pointers are the most useful part of C and usually the most difficult to understand. Note: I don't want to...
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