shanki himanshu

the formula for naive bayes is P(A/B1,B2,B3...Bn) = [ P(A) * P(B1/A) * P(B2/A) * . . . P(Bn/A) ] / [ P(B1) * P(B2) *....P(Bn) ] i am working on a project to classify email as spam or not. i have a large data set. i am using nltk …

there is function : int median(int a[], int b[]) { } how do i find the number of elements in a and b? i am doing sizeof(a)/sizeof(int) but it does not give right results. P.S. i need to submit the function only in online compiler so i dont know what …

why this [code](http://ideone.com/hfYD8V) is giving me runtime error?

what is static function in c++? when should a function is made static?

i want to print a 'double' variable upto 8 decimal places without trailing zeroes. for eg: if a= **10.1234** then print **10.1234** if a= **10.00** then print **10** if a= **10.11111111111** then print **10.11111111** (max of 8 decimal places). how to do it? i searched for it and found this: …

why it doesnot works for values other than 0 and -1 i mean when i tried to print values of array 'a' after memset() then it shows incorrect values. int a[100]; memset(a,0,sizeof(a)); ///it works memset(a,-1,sizeof(a)); ///it works memset(a,1,sizeof(a)); ///it doesnt

what is the use of string.xml file in android? is it like defining global strings if we have multiple .java files in android application? correct me if i am wrong

what is lvalue and rvalue? please explain with simple example.

@**rithish**...you print the string in reverse order. that not the question. you have to store it too. @**straylight**...your solution to **first part** is: 1. calculate length of string 2. find half of it.(take care of odd and even length) 3. run a loop from starting to length/2 and start swapping …

Since in XOR linked list current pointer store the XOR of addresses of previous and next node. my question is how do we XOR two pointers?

int x=011; cout<<x; it print 9. why?

where is union required? please explain with an example where having union is a better choice than any data structure.

int i=512; char *c=(char *)&i; c[0]=2; printf("%d",i); o/p is 514

2 loops are enough for all permutation of 'n' bit binary number. for(i=0;i<(1<<n);i++) {for(j=0;j<n;j++) { if(bit is set) print "1"; else print "0"; } }

Xor all the numbers as you input them. at the end you will left with the number occurs once.

struct abcd { char q; int w; //long int e; }; why size of this structure is 8 bytes and if i include **long int e** , size becomes 12 bytes?

public class QueueImpl<E extends Comparable<E>> { private int count; private class Node { private E info; Node next; } Node front; Node rear; public E peekMaximum() { Node temp = new Node(); temp = front; Node max = new Node(); max = temp; while(temp!=null) { System.out.println(temp.info); //if(temp.info>max) if((temp).compareTo(max))>0) // getting …

int i; float *pf; pf = (float *)&i; *pf = 100.00; printf("\n %d", i);

are these declaration same? const char *const s; char const *const s;

i am using strrev function and also included the header file string.h but i am getting the compile error **‘strrev’ was not declared in this scope**. what else is required?

#include<iostream> #include<math.h> using namespace std; int main() { long int t,n; cin>>t; while(t--) { cout<<"abc"; } return 0; } i am getting run time error for t>10000. how to solve it. range of t>1000000

i have made a queue using STL. the queue contains strings only. how to check for a particular string if it present in queue or not?

struct node { int info; node *left,*right; }; int main() { struct node *root; root = (struct node*)malloc(sizeof(struct node)); root->info=NULL; root->left=NULL; root->right=NULL; if(root==NULL) printf("%d",root->info); return 0; } why it doesnt print root->info?

#include<iostream> #include<conio.h> using namespace std; struct node { int info; node *left,*right; }; int main() { struct node *root; root=NULL; //root->info=NULL; //root = (struct node*)malloc(sizeof(struct node)); if(root==NULL) //cout<<root->info; cout<<root->info<< " "<<root->left<<" "<<root->right<<"\n"; getch(); return 0; } why it is giving an error?

int a=-3,b=2,c=0,d; d=++a&&++b||++c; printf("a=%d,b=%d,c=%d,d=%d",a,b,c,d); why value of 'c' is not incremented in output?

char str[]="S\065AB"; printf("\n%d", sizeof(str)); explain the output. i am getting 5.

what is difference between a)strcpy and memcpy b) memcpy and memmov?

Why the program is running without line 14? #include<stdio.h> #include<iostream> //#include<conio.h> //#include<math.h> #define FOR(i,a,b) for(int i=a;i<b;i++) using namespace std; int main() { int a[]={1,2,3,4,5,6,7,8,9,10}; int *b; //b=(int *) malloc(sizeof(a)); b=a; //cout<<b; FOR(i,0,10) cout<<b[i]<<" "; //cout<<sizeof(b); //getch(); return 0; }

i am new to android application development. i have run hello world program only. now i want to run some sample code. when i try to run them i got this error in new dialog box: "Could not write file: C:\Program Files (x86)\Android\android-sdk\samples\android-15\SoftKeyboard\.project. C:\Program Files (x86)\Android\android-sdk\samples\android-15\SoftKeyboard\.project (Access is denied)" i …

what is value of 'r'?