Java cannot find symbol during compiling

The problem is this line: System.out.println(pref); You have not defined pref in this scope. The field pref is only defined in main method but cannot be read outside of it and therefore outside your main method the pref field has to be defined as well. (You may...

HOW TO MAKE A DYNAMIC PROFILE PAGE? [closed]

Well, for such small tasks no CMS (I mean WP or Drupal) is necessarily needed - customizing one for your needs will me much more painful, than adding a few PHP lines to your HTML files. To make your website able to get data, you will have to make it perform...

Weird results in c [closed]

In addition to LihOs answer above this block looks wrong: if(tab1[i] != '\0') tab1[i]==result[i]; else if (tab2[i] !='\0') tab2[i]==result[i]; else printf(" "); Don't you mean to assign the value in tab1[i]or tab2[i] to result[i]like this? if(tab1[i] != '\0')...

Notepad in windows form application [closed]

This should demonstrate how to open Notepad and put text into it. This is a simple example of starting a Notepad process and then adding text to it. Will open a new Notepad.exe process and then add the text "Sending a message, a message from me to you" to the...

Check whether number is even or odd without using any operator

I think you are talking about no arithmetic operator In this case you can ask yourself, in binary what represents the least significant bit (bit 0)? So you can test that bit to know if a number is odd or even: if (number & 0x01) { // odd number } else { //...

What is the output of the program with reason?

See annotations: #include <stdio.h> void f(int *p, int *q) // p contains address of i, q contains address of j { p=q; // p now contains address of j *p=2; // assigns 2 to j, not i } int main() { int i=0,j=1; // i contains 0, j contains 1 f( &i, &j...

Relative imports for the billionth time

Script vs. Module Here's an explanation. The short version is that there is a big difference between directly running a Python file, and importing that file from somewhere else. Just knowing what directory a file is in does not determine what package Python...