i-Nnovate

If you use LWP modules in perl then you can download pages via HTTP easily using a proxy. However if you wanna download pages with HTTPS thr...

I was working on my Debian machine few days ago when accidentally I pressed "rm -rf *" in a wrong directory(my main working direc...

This post is for you if you Have accidentally deleted mails and Use Google Desktop Search (GDS) and Were fortunate or sensible enough or pos...

What does the stock Index indicate? First, let’s look at what an index number represents. Although there are different ways to calculate ind...

Ever Wondered how search engines like Google, Yahoo or for instance Microsoft word Does spell checking. Well the basic idea is to get Levens...

How do you check the answer of a large multiplication like 8216*4215=36430440 without actually doing the multiplication. Sum 8+2+1+6=17. Tak...

How do you subtract 5592 from 11149. Simple question.... There's an interesting method which involves only addition as it is easier to d...

There's a very good article about Pascal's Triangle in Wiki. I am just enumerating some important points for quick reference. - Con...

There are 5 persons in a line, all facing in the same direction. There are 5 hats, 2 white and 3 black. A person can't see the color of ...

There are 3 persons A,B,C and their salaries are X, Y, Z respectively. Problem: Device a scheme so that all three of them know X+Y+Z, by ask...

Well the problem is : your input in 'n' and you have to calculate n-1 without using the '-' opertaor... simple one I guess T...

Have u ever come across a code that prints its own code as an output.... these type of codes are calle Quines... and here is a link containg...

very often we have encountered problems where a code fragment like for(i=0;i simple... the stray '/n' escape sequence remains in th...

is the C statement /*printf("%d, %d, %d\n", i,i++,++i)*/ a valid statement? Think hard before arriving to any conclusions.... Well...

Well found something new about the sizeof() firstly it is an unary operator and shouldn't be mistaken for a function secondaly, what do ...

Well we all know that whenever we compile a file containing a refference to gets() function, the compiler gives a warning that using gets() ...

what will the following statement do??? scanf( " %d %d" + scanf("%d %d",&i,&j) ,&a); the inner scanf wi...

what would be the output of the following code statement main(_){for(--_;putchar(_++["J!Mpwf!Zpv\1"]-1););} think, think..... Well...

Well I have always been consufed with NP, P CO-NP and all such funda.... so today decided to get the basic funda clear about this: NP: It is...

In simple terms memory leaks may be defined as the loss of any memory allocated during the program... for a more precise and informative def...

It has always been suugested to not use Goto in our programs, instead use for while and other stuff like it. why?? firstly, using goto may i...

This is my fisrt post about obfuscated programming and this stuff seems to be amazing...... at first when I saw this code , I was amazed to...

consider the following code fragment: void fun() { } int main() { int i=10; fun(); printf("%d\n",i); } Now the task is to write so...

Yes, but without using comparison operators!!!! the first solution came from Mayank... which was: int max(a,b) { if(a/b) return a; else retu...

You are given an array with n elements { x1, x2 ... xk ... xn }. You are also given an array location k. Using constant space and O(n) time,...

Consider the following program #include void main() { if(.....) printf("AB"); else printf("C"); } Q: fill in the blank w...

Although they look the same but have major differences. These are said to be valid in C++. I don't know about C. The info can be found h...

char *a = "abc"; a = "def"; The above is correct but the code crashes when we do a[1] = 'd'; This may be becaus...

static struct { unsigned char **segment; unsigned int *reg1; unsigned int *reg2; int offset; int offset16; int pad[3]; /* Make structure pow...

how to find the size of any datatype in c ,without using sizeof operator and also without using the technique of bitwise operator? U can us...

An array of size N has distinct values 1…N in random order. You have only operator called rev(X) (where X is any value from 0 to N-1) which ...

which is more efficient of these two FOR LOOPS for(int i=0;i for(int i=0;i Post increment is less efficient that Pre because in former the ...

can u print any string wthout using " " in printf function? without using " " anywhere in the program #define str(a) #a ...

Although its not possible to write a program without main() but still it may be possible that main() is not present explicitly... as follows...

Any way to get the limits of an integer using a code? There are two ways: 1.Simpler one #include #include int main() { printf("Range o...

How is the expression x+++y parsed? As x++ + y or x + ++y ? Why? The issue is with tokenization. The ANSI C standard requires that the lo...

We have often heard the term Web 2.0. What does it mean? Surely there's no new version of the web available and neither there are any pa...

This post is based on a research paper by Yahoo! Research written by Omid Madani and Rosie Jones of Yahoo! and Giridhar Kumaran from Unive...

C refers to Control S refers to Shift C+Home Go to first line of Page from anywhere S+End Go to last line of a Page from anywhere C+S+...