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Hello to all programmers out there. Considering the growing request for practice problems by the beginners, we ( Me, Joey, Niek, Aaron..) have decided to start a sticky which will host some common practice problems which would help the beginners in understanding the programming concepts in a better way. (Did …

how can i check a given string to form a palindrome or not for(i=0;i<str.length();i++) { if(str.charAt(i)==str1.charAt(i) } }

Hello, I have a database with about 25 tables and almost every table having a foreign key on some other table. They system needs to deal with a large number of reads and writes. I'm concerned if having too many foreign keys and relationships between tables will lock the tables …

I'm using sIFR ([url]http://www.mikeindustries.com/blog/sifr/[/url]) in a website along with some javascript. The javascript makes the sizes of the two divs equal. And the javascript is run on window.onload. The problem is the sIFR seems to get rendered AFTER the scripts specified by window.onload. This means that the divs are made …

Hey, I'm working on a Paint program. I've never built a proper program before so I was wondering how I should go about structuring an actual piece of software. I'm trying to a make a simple paint application (like MS paint) using C++ and the SDL library. Right now, I'm …

Hey, I just started learning OpenGL. I have a problem understanding the coordinate system. [code] glVertex2d(1,2); [/code] Now obviously, the coordinates aren't in pixels. The problem is I want to mark pixels on my windows and I can't figure how to do this. How big is one unit? I tried …

Hi, I workd nearly 5 to 6 web projects useing CSS, But still i m facing the same problm in all browsers the page alignment and page format not comng properly for that any solutions is thr. Starting onwards i m testing in all browsers dn also its very difficulting …

I developed a theme for Drupal. Its my first proper theme ever. But I feel its not so good. For some reason it doesn't look 'professional'. Could you criticize it please? I've included a screenshot...I'll put up a working model if required. Thanks.

I have two divs in a page im building; both of which float to the left. My problems stem with the second (right-most) div, however. In firefox, the div will "drop" below the first one if it content gets to a certain amount. I think it is because the width …

I have two divs which both have backgrounds in my CSS properties. Unfortunately, div2's background overlaps div1's background. But I want it the other way around. In other words, I want div1's background over div2's. I've tried z-index but it didn't work. How do i solve this?

I have empty space div that goes like this: [code]<div id="space"><!-- IE fix--></div> [/code] and the CSS for this is: [code] #space{font-size:0; background-color:transparent; height:15px; display:block; } [/code] This should just make an empty box. And its fine in firefox. But in IE I get no space at all! Whats wrong?

Any channels/servers on IRC for programming? can't seem to find any :S

Its pretty standard, why the hell isnt the window showing?? Cant figure it out :( [code] import javax.swing.*; import javax.swing.text.*; import java.awt.*; import java.awt.event.*; public class GUIpart { //All ze variables required int tempboard[][]=new int[9][9]; SudokuBoard fresh= new SudokuBoard(); JFrame sudoku = new JFrame("Srik Sudoku"); JFormattedTextField guiboard[][] = new JFormattedTextField[9][9]; …

How would I go about making JTextField allow the user to input only numbers 0 - 9? I looked into JFormattedTextField but it doesnt seem to be what I need. Would I have to code it to check the users' input everytime? Is there a simpler way?

some easy questions about c++ 1. is it possible to link the c++ files with databases like oracle,MySql? (coding the file to access the databases) 2. can we put the compiled files on websites? Google.com is build in C and C++ and their search engine is running on that. how …

I want to learn C+ but i want to start with a simple compiler. I have access to Borland C++ and Visual studios.net but they are way to overwhelming. Can some body give me names of decent simple programs that I can learn with.

hallo i want 2 know if there is a function that reads from an input file and after reading this char will disapear. i mean the read char will b disappeared.

hallo i need 2 deal with each digit after the floating point. ex . 12.5678 i need 2 compare the 12.5 with another number and then the 12.56 and then 12.567 and so on till 4 digits is there is a function that takes the int number and one number …

I have two text files that I am trying to compare (test.txt and removewords.txt. If a word from removetext.txt is found in test.txt it should be excluded from the output; otherwise it should be displayed. Here is my code: [code] while ( inClientFile >> word ) { while ( inIgnoreFile …