C Programming Tutorials

C Programming Tutorials And Articles

	Title / Author	Replies Views
	Simplex and Dual Simplex Method ( 1 2) Introduction Solves the LPP by "SIMPLEX" and "DUAL SIMPLEX" method. The code Simplex Method Code #include <stdio.h> #include <conio.h> By shabbir Last Message By omidrezak	11 35,213
	ATOI and ITOA Custom Implementations I wanted to make a remake of my previous BAD versions of these 2 functions. I think they are working great now, and they're portable the same as the originals from STD library. ATOI /******************************************************************************************************** ... By david_BS Last Message By david_BS	1 6,009
	Calculator program in C ( 1 2 3 ... Last Page) The below code is a calculator in plain C. It does not take into account the operability of bodmas but just one operation at a time. The main thing in the source code below in the scanf which scans the input as number symbol number just as in case of normal calculator. #include<stdio.h> ... By coderzone Last Message By rioeduardo	34 120,945
	Strings in C Strings are paramount datatype for any real use case scenario. However, in C, there is no basic datatype as ‘string’. A string is understood as a collection set of characters i.e. in programmatic language, an array of characters, which are: Directly assigned in double quotes Terminated by a... By Trinity Last Message By c_user	3 2,309
	A Beginner's Guide to Pointers Introduction Definition: Pointer is a variable which stores address of another variable. To understand this definition properly, let us separate it into two statements: 1. Pointer is a variable. 2. It stores address of another variable. Consider the first statement, it means that a... By Sanskruti Last Message By samraj	8 8,251
	Working with Bitwise Operators As it is said, great things are in small ones. Its someway true in C as well. Working on bits rather than bytes, and other bigger data structures leverage implementations in speed and space efficiency. With really high end computers coming up these days, bitwise operations may not be that useful in... By Trinity Last Message By grizlizli	4 1,872
	Error Handling in C Error handling has always been dominantly vital in programming. It has become a bit more sophisticated with the object oriented languages, however even in the system programming language like C, error handling is being offered in its own simple ways. Introduction To swim deep into the... By Trinity	0 1,520
	InFix to PostFix and PostFix expression evaluation. ( 1 2 3 ... Last Page) InFix to PostFix Introduction Infix Expression : Notation in which the operator separates its operands. Eg (a + b) * c. Infix notation requires the use of brackets to specify the order of evaluation. Postfix Expression : By shabbir Last Message By Jack Hard	30 88,115
	Complete Guide to Understanding static in C The keyword ‘static’ has been widely used in many programming languages. I know it is there in Java, C and C++. I am pretty sure, it is must be used in other languages as well, even though it might depict different attributes and characteristics. However, we are going to learn about the keyword... By Trinity Last Message By Rajesh M. Kanojia	1 2,099
	Understanding float datatype in C Pretty sure, one must have used the datatype ‘float’ numerous number of times since the day one has started programming. However, there are many times, when we mishandle floats and doubles, or get unexpected results while using float variables or find ourselves being perplexed while using floating... By Trinity	0 1,548
	Unions in C : A less used but a powerful feature of C ( 1 2) 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... By Amit Ray Last Message By IkarusDowned	12 184,957
	C Memory Allocation When an ELF executable is executed, a process is created and its process image is create in the RAM. However, it is here in the process image in RAM, all the variables are assigned memory. Sometimes memory is allocated statically i.e. defined how much memory at the compile time, and at times it has... By Trinity Last Message By chinujhon	3 2,126
	Builtin GCC Functions - __builtin_clz(); __builtin_ctz(); __builtin_popcount(); GCC provides quite a lot of builtin functions. These functions are part of standard C offered by the compiler and may come in various variants as per the gcc. These are also termed as hardware specific functions which are internally implemented in assembly or we can say machine instructions, with... By Trinity	0 2,146
	Beginners Guide to Time Complexity and Big-O Notation For a given problem, there maybe many solutions, but we always look for a ‘better’ solution. So, how do we determine which solution is ‘better’? In the context of algorithms and programs, we consider a solution as ‘better’ when it uses the minimum resources. Hence, an efficient program will always... By Trinity	0 2,152
	Download a file using URLDownloadToFile C function Using URLDownloadToFile function In this article I would want to show you how to download a file from internet using URLDownloadToFile function in C language. I think everybody has ever experienced the downloading a file with Internet Explorer. IE is using directly this function, but It uses... By Scripting Last Message By Naresh Twanabasu	3 2,985
	How to Determine k-th Minimum / Maximum Number Algorithms are the riches of any programming language. The major objective of any algorithm is being efficient and optimized. For any logical scenarios, the prime and foremost is designing an algorithm. In this article, we shall we be discussing one such scenario to determine the k-th maximum /... By Trinity	0 2,157
	Virtual Box for Linux on Windows The Need Most of our articles over here are focused on Linux programming. However, many of us, especially beginners are still comfortable and much used to Windows environment, the look and feel of it. And also,many out of them tend to avoid Linux programming because of the pain of installing... By Trinity	0 8,697
	100 Multiple choice questions in C ( 1 2 3 ... Last Page) /question number 1/ int z,x=5,y=-10,a=4,b=2; z = x++ - --y * b / a;What number will z in the sample code above contain? Choice 1 5 Choice 2 6 Choice 3 10 Corrected by buddy by running the program Choice 4 By coderzone Last Message By niveshetty91	153 356,266
	Hash Tables Tutorial for Complete Beginners What are Hash Tables? Hash table is a data structure to store key value pairs for all situations. So it is like a table with each entry has a key and a value corresponding to it. So, it is an efficient way of mapping and accessing data. An abstract illustration of hash table: -> Data... By Trinity	0 2,449
	Understanding File Descriptor and File Pointer During C programming, file operations are pretty common. And when you are writing programs in C on Linux, two familiar terms related to file operations are File Pointers and File Descriptors. We know both are different, but what are they? This article will focus on understanding what are file... By Trinity	0 2,171