12/30/10

12/28/10

Parent-Child Communication Using Pipes in UNIX

This is the simplest of program that you can get. Here the parent-child communicates over a pipe. NOTE: if the child wants to communicate to the parent then it will have to closes(fd[0]) and parent will closes(fd[1]). this will only work UBUNTU, LINUX(RedHat) , Solaris, FreeBDS etc all UNIX VERSIONS....

12/27/10

12/20/10

Codeforces #47, Problem E

1: import java.io.BufferedReader; 2: import java.io.IOException; 3: import java.io.InputStreamReader; 4: import java.util.HashMap; 5: public class Main { 6: public static void main(String[] args) throws IOException { 7: BufferedReader bf=new BufferedReader(new InputStreamReader(System.in));...

12/19/10

HashMap simple usage and understanding

Map is an object that stores key/volume pairs. Given a key, you can find its value. Keys must be unique, but values may be duplicated. The HashMap class uses a hash table to implementation of the map interface. This allows the execution time of basic operations, such as get() and put() to be constant. An...

12/4/10

Detecting a Cookie

Here is a piece of code that can help people detect cookies. Cookies play an important part in the website. *****************#####***************** JS Code: window.onload = showCookies; function showCookies() {     var outMsg = "";     if (document.cookie == "")...