Interview Questions

Some Translation

n! Multiplicative

Object-oriented programming

Check here Interview_Questions(OOP)

C++ Interview

C++ interview

Javascript/Jquery

AJAX&Jquery

Algorithm Interview Problems

Algorithm Problems
All about Binary search tree
All about Linked List
Heap & Heap Sort

Regular Expression

http://www.zytrax.com/tech/web/regex.htm

PHP

PHP interview

Swap 2 numbers in one line

//swap
$a=10;
$b=20;
$a=$a+$b-($b=$a);
echo $a." and ". $b."\n";
// output 20 and 10
$a^=$b^=$a^=$b; //This has a bug. You cannot do things like this $a^=$a^=$a^=$a
echo $a." and ". $b;
//output 10 and 20