How to make Mozilla Firefox 30 times faster

1. Type "about:config" into the address bar and hit return. Scroll
down and look for the following entries:

network.http.pipelining
network.http.proxy.pipelining
network.http.pipelining.maxrequests

How to grab IP address with PHP

Today I’ll be showing you how to grab somebodies IP address when they visit a page.

The variable to use is $_SERVER['REMOTE_ADDR'] - It’s that simple. You can use it 
for just about anything, here are a few examples.

Printing the Users IP Address:
<?php 
print ($_SERVER['REMOTE_ADDR'], "I'm Watching You!"); 
?> 

Hack An Administrator Account With A Guest Account

Concept
Press shift key 5 times and the sticky key dialog shows up.This works even at the
logon screen. But If we replace the sethc.exe which is responsible for the sticky key
dialog,with cmd.exe, and then call sethc.exe by pressing shift key 5 times at logon
screen,we will get a command prompt with administrator privilages because no user
has logged on. From there we can hack the administrator password,even from a guest
account.
Prerequisites
Guest account with write access to system 32.
Here is how to do that

get unlimited time in Internet Café's

Let's go through the steps, shall we?

1. Create a New Text Document.
2. Then type CM     in it.
3. And then save it as anything.bat
(Make sure the file do NOT end on .txt, but on .bat)

In Case of system hang condition

Press CRTL + ALT + DEL

Goto the 'processes' tab and click explorer.exe once and then click 'end process'.

Now, click File > New Task and type explorer.exe

Pinball Secret - Extra Balls

Instructions - 

Type 1max at the start of a new ball to get extra balls.
 
Secret - Gravity Well
 

Stop Timer in Minesweeper

Instructions - Launch Minesweeper and start a game so the timer starts counting, then press the Windows Key + D to show the desktop. Now when you select minesweeper from the taskbar you can continue playing with the timer stopped.

Minesweeper secret

Instructions - 

Minimize or close all running applications. Launch Minesweeper, then type xyzzy. Next hold down either shift key for one second. Now when you move the mouse cursor over a Minesweeper square you will see a tiny white pixel in the top left corner of your desktop screen.