A Small Treasure of Knowledge

The token-pasting operator

The operator ## is a binary operator, and can appear in the replacement text of any macro. It joins its left and right operands together ...
How the Preprocessor Finds Header Files

It is up to the given C implementation to define where the preprocessor searches for files specified in #include directives. Whether file...
Random Number between two integers in C

Finding out a RANDOM NUMBER bettween two integers a & b in C Language: We are aware of the rand() function: rand() calculates and return...
The stringify operator

The unary operator # is commonly called the stringify operator (or sometimes the stringizing operator) because it converts a macro ar...
Conversion between number and string

Converting numbers to strings and strings to numbers
List of Hello World Programs in 300 Programming Languages

List of Hello World Programs in 300 Programming Languages
Swapping values between two variables without a third variable

Here are two ways in which we can swap the values between two variables without the help of any third(temporary) variable: -> Using metho...
#define vs. const

The const keyword is relatively new. Before const, #define was the only keyword available to define constants, so most older code uses #defi...
Optimizing C and C++ Code

Embedded software often runs on processors with limited computation power, thus optimizing the code becomes a necessity. In this article we ...
void Pointers

A pointer to void , or void pointer for short, is a pointer with the type void * . As there are no objects with the type void , the type vo...

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Tuesday, May 11, 2010

Conversion between number and string

Converting numbers to strings and strings to numbers

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