How to download Facebook Video without any software

How to download Facebook Video without any software 

Step 1:-

           select any video on facebook.

step2 :-

           Go to URL of the video.

Step3:-

           Delete 'WWW' and add 'M' in the beginning of URL of the video URL.

Step 4:-

           Play The video in mobile view webpage.

Step5:-

           Then 'Right Click-->Save video as-->save'.

Step 6:-

           Successfully Download The Video.. .. . ;)

How to hide a folder without Any software-cmd Tricks-No one can't find the folder

How to hide a folder without Any software-cmd Tricks-No one can't find the folder

Step 1:-

           Open RUN --> Type 'cmd' in RUN -->Enter.

Step 2:-

           Go to the drive of the folder.(ex:  d: (d:\>) )

Step 3:-

           To Hide a folder attrib -s -h demo

(i) attrib-Attribute.

(ii) s-System.

(iii) h-Hide

(iv) 'demo'- Folder Name.

Tats it. .. ..

To view hidden folder.

Similary type in cmd prompt as 'attrib +s +h demo'

How to Download Youtube Video Without any software

How to Download Youtube Video Without any software

Step1:- 

           Go to any Youtube video.
Step:-2
           Go to the Address bar And Click the URL of the video.
Step3:-
           Delete "WWW." And Add SS in beginning of URL.
Step 4:-
          Click Download Link. Thats it.. . :)

For More details see the below Videos:-)

How to Download Youtube Video Without any software

C programs | Swapping of two numbers without third(temp) variable in C

C programs | Swapping of two numbers without third(temp) variable in C

Source Code:-)

#include <stdio.h>

int main()
{
   int a, b;

   printf("Enter two integers to swap\n");
   scanf("%d%d", &a, &b);

   a = a + b;
   b = a - b;
   a = a - b;

   printf("a = %d\nb = %d\n",a,b);
   return 0;
}