Happy Codings - Programming Code Examples

Php Programming Code Examples

Php > MySQL Code Examples

Error Checking



Error Checking

<?php 
    mysql_connect("localhost", "mysql_user", "mysql_password"); 

    mysql_select_db("nonexistentdb"); 
    echo mysql_errno() . ": " . mysql_error(). "\n"; 

    mysql_select_db("kossu"); 
    mysql_query("SELECT * FROM nonexistenttable"); 
    echo mysql_errno() . ": " . mysql_error() . "\n"; 
?>

Implements Max-Flow Min-Cut Theorem
Program demonstrates implementation of max-flow_min-cut_theorem. So returns true if there is a 'path from source' 's' to sink 't' in residual graph. Also fills parent[] to store the

Finds the Largest clique in a Planar Graph
This is a C++ Program to find the "cliques" of size k in a a graph. An "undirected graph" is formed by a finite set of vertices and a set of unordered pairs of vertices, which are called

Converts Decimal Number to Octal in C++
In the program, the decimal number is stored in the variable decimalNumber and passed to function decimalToOctal(). Function converts the 'decimal number' passed to its equivalent

Bricks Game program coding example in C
Create opening screen and accept the level of the player's. Assign the speed to ball as per the level chosen. Draw four layer of bricks, the paddle and the ball. Memory allocation

Using Local variable in The C++ Language
Local variables are declared inside the braces of any "user defined function", main function, loops or control statements(if, if-else etc) and have their scope limited inside those "braces"

C program Swap Numbers in Cyclic Order
C code three variables entered by the user are stored in variables x, y and z respectively. Then, these variables are passed to function cyclicSwap(). Instead of passing the actual...

Convert Decimal to Octal Number System
C Program Code input decimal number and convert to octal number system. Decimal number system is a base 10 number system. Decimal number system uses 10 symbols to

Find Sum of Node values at Row or Level
C Program to Find the Summation of Node values at Row or Level. Create a new node with the data from the user. Check for root node and then create it. Searching for the...