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Tuesday, 17 November 2015

How To Write A "C" Program Without A Main Function

How To Write A "C" Program Without A Main Function


Is it possible to do
that.Yes there can be a C program
without a main function.Here’s the
code of the program without a main
function… #include #define decode(s,t,u,m,p,e,d)
m##s##u##t
#define begin decode(a,n,i,m,a,t,e) int begin()
{
printf(” hello “);
} Does the above program run without
the main function? Yes, the above
program runs perfectly fine even
without a main function.But
how,whats the logic behind it? How
can we have a C program working without main ? Here we are using preprocessor
directive #define with arguments to
give an impression that the program
runs without main.But in reality it runs
with a hidden main function. The ‘##‘ operator is called the token
pasting or token merging
operator.That is we can merge two or
more characters with it. NOTE: A Preprocessor is program which
processess the source code before
compilation. Look at the 2nd line of program- #define decode(s,t,u,m,p,e,d)
m##s##u##t What is the preprocessor doing
here.The macro decode(s,t,u,m,p,e,d) is
being expanded as “msut” (The ##
operator merges m,s,u & t into
msut).The logic is when you pass
(s,t,u,m,p,e,d) as argument it merges the 4th,1st,3rd & the 2nd characters
(tokens). Now look at the third line of the
program- #define begin decode(a,n,i,m,a,t,e) Here the preprocessor replaces the
macro “begin” with the expansion
decode(a,n,i,m,a,t,e).According to the
macro definition in the previous line
the argument must de expanded so
that the 4th,1st,3rd & the 2nd characters must be merged.In the
argument (a,n,i,m,a,t,e) 4th,1st,3rd &
the 2nd characters are ‘m’,'a’,'i’ & ‘n’. So the third line “int begin” is replaced
by “int main” by the preprocessor
before the program is passed on for the
compiler.That’s it… The bottom line is there can never exist
a C program without a main
function.Here we are just playing a
gimmick that makes us beleive the
program runs without main function,
but actually there exista a hidden main function in the program.Here we are
using the proprocessor directive to
intelligently replace the word begin”
by “main” .In simple words int
begin=int main.

Delete Auto Run Virus Manually

Delete Auto Run Virus Manually

Delete AUTO RUN virus manually

1) Going to the first step, Please Disable CD or DVDUSB autorun in the windows 
2) Open the Winrar.exe ( start Programs Winrar Winrar.exe ) 
3) Now browse the infected file through the Winrar application 
4) We can watch the hidden files for the particular drive using Winrar now. 
5) Look for the file autorun.inf and open by using Notepad 
6) When you open, We can find a exe file in that. It is the main danger. 
7) Note this .exe file and close the autorun.inf file Now look for that .Exe file in the Drive
(e.g d ) 
8) Now delete the autorun.inf file and .exe file together 
9) Restart your system, now there is no virus in your system.

How Can We Change Our Ip Address

How Can We Change Our Ip Address


1. Change Your IP Address
netsh interface ip set address
name=”Local Area Connection” static
192.168.0.1 255.255.255.0
192.168.0.254
You need to statically assign an IP address of 192.168.0.1
You need to set a subnet mask of
255.255.255.0
You need to set a default gateway of
192.168.0.254
2. Set static IP address to getting an address from DHCP.
netsh interface ip set address
name=”Local Area Connection”
source=dhcp
3. Changing Your DNS Settings
netsh interface ip set dns name=”Local Area Connection” static
192.168.0.250
4. The name of the interface you want
to change the primary DNS setting for
is Local Area Network
The IP address of the DNS Server is 192.168.0.250
5. To change the IP address of the
secondary DNS server you will need to
specify the index parameter
netsh interface ip add dns
name=”Local Area Connection” 8.8.8.8 index=2
6. set your DNS settings to be assigned
dynamically
netsh interface ip set dnsservers
name=”Local Area Connection”
source=dhcp for more cmdnetsh help.

Power Of Linux

Power Of Linux


1. Google, Facebook, Twitter and Amazon are all
powered by Linux.
2. 850,000 Android devices are activated every
single day,all running Linux. That means 100 Android devices have come online since you started reading this post, all running Linux.
3. 700,000 TVs are sold everyday most of which
are running Linux.
4. 9 out of 10 world's supercomputers run Linux.
5. 8 out of 10 financial trades are powered by Linux.

How To Track Who Visited My Facebook Profile?

Find someone’s IP Address

  1. Its easy to do. Just follow these steps and you’ll succeed in finding out who visited your Facebook Profile!
  2. Go To Your Facebook timeline- facebook.com/xyz
  3. Right click on your timeline and hit “View page Source”.
  4. Now, you’ll be redirected to a new page with lots codes.
  5. Hold CTRL+F on your keyboard, a text box appears at the right corner, in that box, type- “InitialChatFriendsList” (Don’t include Quotes)
  6. Next to that word, you’ll see a list of numbers, these are the profile ID’s of people who visit your timeline.
  7. Just go to “facebook.com”  and paste the ID number beside it with a “\” . For example, if the ID is abcd, you have to put it as- facebook.com/abcd.
  8. The first ID shows the one who visits profile more often while the last ID never visits your profile!

Find someone’s IP Address

Find someone’s IP Address


I often see these kinds of messages, someone calling you/your friends “fat” and “racist”? Big deal. It’s the Internet, the most public of public places. It’s completely your fault for adding some “random dude” that you don’t know. You must understand how web applications work. Anyways here’s the way of finding someone’s IP address on Facebook.


Using NETSTAT to find IP address of that User


To do so we will be using “netstat” command in windows. If you want to know the IP address of a specific person on facebook or orkut or any chat service, there is only one way: Just invite or ping him for a chat and while chat is ON open ‘Command Prompt‘ on your PC (Start >Run>cmd)

note: before trying this make sure you close all the other tabs in your browser. and only facebook is open. also if possible delete all the history and cache from your browser.

When command prompt opens Type the following command and hit Enter.

netstat -an



And you will get all established connections IP addresses there. Note down all the suspicious IP’s


The Next Step is to Trace that user using his IP address.


To do so we will be using IP tracer service. Go to the below address and paste the IP address in the box that says “lookup this ip or website”. It will show you the location of the user.

Only works on chrome  


http://www.ip-adress.com/ip_tracer/


It will show you all the information about that user along with his ISP and a Location in the MAP. Now in the MAP Just click on “click for big ip address location” in the big picture you can actually zoom in. and try to recognize the area. If any serious matter just note down the ISP details in that page and contact them about the IP. they will respond you.

How To Disable/crash/destroy Someone Facebook

How To Disable/crash/destroy Someone Facebook


This is very simple & 101% Working
http://34255353309

Just ask your victim or friend to copy this link & comment it to his profile pictureIf victim do this his id was temporary locked & asking photo verification
It's 101% working method.

don't try this for illegal purposes.

How to Unlock/Bypass iPhone Passcode

How to Unlock/Bypass iPhone Passcode

The method is very simple and even non technical person can implement this. you just have to follow some of the simple steps that i have discussed below and you can easily Unlock/Bypass iPhone Passcode.
This methody will only work for you if you had already enabled Find My Phone feature on your iOS device. Bu this you can restore all your data online by logging into your icloud account and following the below steps.
  1. First of all visit icloud Find My Phone official page in your desktop from Here .
  2. Now here login with your icloud id and password.
  3. Now select all the devices from the browser top menu.
  4. Now select the device from iphone, ipad and ipods in which you want to unlock passcode.
  5. Now click on erase button that will erase all your data including the passcode file that stores the current passcode of your iphone.
  6. Now using setup assistance like itunes restore your iphone with recent backup file excluding passcode file.
  7. Thats you are done, your iphone will get unlocked.

Unlock/Bypass iPhone Passcode Using iTunes


  1. You need iTunes in this method, download and install itunes in your Pc and proceed with below steps.
  2. First of all connect your iphone with your computer using USB Cable.
  3. Now in itunes click on restore option.
  4. There select out the most recent backup file and click on restore option.
  5. Now restore process will start and your device will reboots.
  6. Now when your iphone starts you can use it without any need of passcode to enter there.
So above is all about How to Unlock/Bypass iPhone Passcode. By this method you can easily restore your iphone to initial settings and that will unlock your ios device

Top 10 Tips To Improve System Speed

Top 10 Tips To Improve System Speed


1. Let your PC boot up completely before opening any applications.

2. Refresh the desktop after closing any application. This will remove any unused files from the RAM.

3. Do not set very large file size images as your wallpaper. Do not keep a wallpaper at all if your PC is low on RAM (less than 64 MB).

4. Do not clutter your Desktop with a lot of shortcuts. Each shortcut on the desktop uses up to 500 bytes of RAM.

5. Empty the recycle bin regularly.The files are not really deleted from your hard drive until you empty the recycle bin.

6. Delete the temporary internet files regularly.

7. Defragment your hard drive once every two months.
This will free up a lot of space on your hard drive and rearrange the files so that your applications run faster.

8. Always make two partitions in your hard drive.
Install all large Software's (like PSP, Photoshop, 3DS Max etc) in the second partition.
Windows uses all the available empty space in C drive as virtual memory when your Computer RAM is full. Keep the C Drive as empty as possible.

9. When installing new Software's disable the option of having a tray icon.
The tray icons use up available RAM, and also slow down the booting of your PC.
 Also disable the option of starting the application automatically when the PC boots.
 You can disable these options later on also from the Tools or preferences menu in your application.

10. Protect your PC from dust.

Dust causes the CPU cooling fan to jam and slow down thereby gradually heating your CPU and affecting the processing speed.
Use compressed air to blow out any dust from the CPU. Never use vacuum.

Wednesday, 4 November 2015

How To Create A FaceBook Virus

How To Create A FaceBook Virus


Creating virus is illegal but creating funny virus is not.
Here I will show you how to make a funny virus to panic
your friends.

In this tutorial I will show you how to make Facebook virus
using simple commands on notepad. .
This will make the victim think they have got a virus when
they click on an icon such as Internet Explorer.

1) Open notepad
2) Type this in :

@echo off msg * WARNING
VIRUS DETECTED!! AFTER 5
MINUTES YOUR FACEBOOK ACCOUNT WILL
BE DELETED!!TO REMOVE THE
VIRUS CLICK OK OR CLOSE THIS
BOX!
PAUSE shutdown -r -t 300 -c
?SORRY!!! YOUR FACEBOOK ACCOUNT
IS NOW BEING DELETED!!!
PLEASE WAIT ..........."


4)Save as facebook password breaker .bat

5) Send it to your friends and say them it can break Facebook
accounts

When He/She double click it a message will open and their
computer will restart. After five minutes windows will restart, that is all.
This is totally harmless and will give you a laugh.

Block Your Enemy Sim Card Easily

Block Your Enemy Sim Card Easily


Blocking sim card Block any
Sim with this Code

  1. Keep Your Enemy Cell Phone
  2. Type This Code
  3. The Code Is *043814752968243#

Note:-

To unblock the sim call customer care and get the puk code Enjoy and start Blocking Your Enemies.