Software Development Forum

hi all, I am new to C#.I am doing a project on C#. In my project I am using two combobox. In first i am giving the options. Depending upon the first combobox options (i.e which item i am selecting) , the second combox should show its options relating to …

i have 1 textbox in the keypress event this is my code if keyascii >= 48 and keyascii <= 75 then exit sub else keyascii = 0 end if how can i erase the last value that im inputted in my textbox using vbkeyback? god bless daniweb!

I already added the path of my installed java, but the problem is I cannot compile my codes. here is my path. . %SystemRoot%\system32;%SystemRoot%;C:\Program Files\Java\jdk1.6.0_10 and then this is what happens when I compile. . Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1985-2001 Microsoft Corp. C:\Documents and Settings\Carlo>e: E:\>cd nerd's …

HI I have a class className which is an abstract class. I am attaching the definition in the code snipet below. when I am writing the line I am getting an error error C2259: 'className' : cannot instantiate abstract class From this error I have understood that we cannot create …

Hi I have to make a program to parse html document and check for broken links. I did the first part and now wondering is there a method or class that checks if the link is valid?if not I assumed I can construst a method myself, like get the response …

I am trying to print out a dictionary result. The dictionary is made from a database search. I have tried to print it in every possible way here is the code [CODE]#!/usr/bin/python import elementtree.ElementTree as ET import urllib import MySQLdb print "Content-type: text/html\n" info={} def find_text(element): if element.text is None: …

I have to build a card game war in a C++ card game. The program must randomize a set of cards for both the user and a computer player. the cards are 2-14 for one array then a parrallel array for suit 0-3. then organize each hand in descending order …

Hello all, I'm new to VB .Net, I found this open source file editor. Its can read unicode text fine, but its doesn't save unicode and its read only ITST01 and not QEST01. How to make its detect both and save as unicode? Here is the file format. [CODE] BSTR …

I am having trouble getting output from this program. The objective of the program is to allow the user to enter 5 scores and then it is supposed to calculate the mean and rearrange the data set from highest to lowest. I am supposed to run it through the AverageDriver …

I have this method : public void ExecuteSQL(String SQL) { Koneksi getCn = new Koneksi(); Connection cnExecute = null; try { cnExecute = getCn.getConnection(); int rowNgefek = 0; Statement stExecute = cnExecute.createStatement(); cnExecute.setAutoCommit(true); stExecute.executeUpdate(SQL, rowNgefek); cnExecute.commit(); closingConnection (cnExecute,stExecute); } catch (SQLException e) { System.out.println(e.toString()); } } If insert/delete/update raise error, …

These are the specifications for the assignment: Write the following members functions: (a) Constructor that creates objects of the student class. (b) read that prompts the user to enter from the keyboard student name, age and gpa. To terminate reading the user should enter the EOF (ctrl-D in Unix and …

Alsalamu Alikum, So, It's my first time to study and work on recursion functions, and it was said in the lecture that it is better than the iterative function because [QUOTE]they are shorter, more elegant, more readable, naturally developing and it's code is easier to understand.It comes with more cost …

Hey folks, I am working on a getBalance method that retrieves a balance from a CSV file. I keep getting: [ICODE][COLOR="Red"]java.lang.NullPointerException at java.util.StringTokenizer.<init>(StringTokenizer.java:182) at java.util.StringTokenizer.<init>(StringTokenizer.java:204) at atmEngine.getBalance(atmEngine.java:100) at atmEngine.<init>(atmEngine.java:81) at Launcher.main(Launcher.java:12)[/COLOR] [/ICODE] I can't figure this one out! I threw in some console print outs to make sure it was …

Hello sir, I am using visual studio 2005. I want to split the form into 2 parts. On the left side i wil give the VB coding. On the right side i want output for that coding. Similar to this link [url]http://www.w3schools.com/html/tryit....ml_paragraphs1[/url] But the link is for HTML coding, But …

Hello, I'm writing a simple calculator in C. The main problem is I need to parse string to evaluate for example 1+2*(3-1)/2.5. However writing such parses is a very hard task. This is a trivial thing Python using this code: [code] s = raw_input('Please enter expression:') try: x = eval(s) …

what is the API for dispalying an image an image in VB

I'm trying to create an array that can be resized, and automatically renumbered, at the moment, what I have works for up to a 3x3 array, but anything larger than that doesn't work. I've tried doing this with int instead of char for the type or the array, but then …

alright. I have this file that lists about 3000 coordinates in this way. -90.0000 0.0000 220.7533 -90.0000 5.0000 220.7533 -90.0000 10.0000 220.7533 -90.0000 15.0000 220.7533 I'm trying to open this file in my program, but I'm having no luck at all. I've tried reading numerous threads on doing so, but …

hi all. the following is working fine for me char * hex = (..dynamically allocated memory with malloc..); *(hex+0) = 0x43; *(hex+1) = 0x2b; i now have to assign a string in the format 43 2b 1c to the char * array at runtime. anyone did it ? plz guide.

Hey guys, I am working on my final project, and I was wondering, I am designing the GUI and if you look at the buttons I want the green and red buttons to appear 3D like the rest of them but with a colour overlay is it possible to do …

Hi y'all! I'm kinda new to c++ so please excuse my inefficiencies. Anyways, here is the assignment: Write a C++ program to estimate the springtime count of deer in a park for 10 consecutive years. The population of any given year depends on the previous year's population according to the …

Hey I have to write a program that reads a text file that contains a list of words, 1 word per line. I have to store the unique words and count the occurrences of each unique word. When the file is completely read, I have to print the words and …

I'm working on a program that has a class Board, and two inherited classes that will implement different games, but I'm having problems with setting up the initial Board class. The problem is that I don't know how to make it so the board array in the protected section of …

I am trying to open a file after getting its path from the user. here is the code. [CODE]#include <iostream> #include <fstream> #include <string> #include <cstring> using namespace std; void main(){ const char* filepath; string input, input2; char lines[110]; ifstream infile; cout << "Enter filename (including path): "; getline (cin, …

[quote] My code asks a user for a password. To properly validate the user's entry, it must include the following requirements: 1)have a length of 5 2)have an uppercase character 3)have a lowercase character 4)have a digit My loop only works for the lowercase and length of 5 requirements. Can …

Hay guys, I was looking at a few examples of how a Radix sort works, and writing up a document explaining it. I based my findings on one particular example I found, link follows. [URL="http://www.cubic.org/docs/radix.htm"]http://www.cubic.org/docs/radix.htm[/URL] Well the bit shifting here is giving my head a bit of a spin, and …

I'm currently working on implementing a small game in C++, but when trying to compile, I get this error: [CODE]..quadtree.h:125: error: no matching function for call to 'Fleet::Ship::overlaps(const Fleet::Ship*&)' ..ship.h:40: note: candidates are: bool Ship::overlaps(const Rectangle&) const ..ship.h:85: note: bool Ship::overlaps(const Ship&) const ..ship.h:32: note: bool Ship::overlaps(const Point&) const[/CODE] So …

Hi is there a way of getting a file creation Date for a file class object? I am trying to do so on a mac. Many thanks

Hello, I'm Still a python beginner. I've got this Assignment, and I think I've finished half of it. Can anyone help me out on this assignment. The codes I have done already are: [I]The assignment asks to: Make a program that prints a list of 5 items in your house …

How do I save a string? Say I type in "sfrider0." How do I store that then retrieve it later? I've been messing around with it for a while and the most I can get it to do is tell me how many characters are in it. Any help?

This question is for all the programmers. What makes a good prgoammers? What made you get a job? Why are you a programmer? This is not a interview, or nothing like that. This is just someone that is curious about those question. Thank you for answer or even viewing this …

I have a tab delimilated txt file. how can i read only the second part of the file. ex 10.0.0.0 hostname date i want to read in the hostname only what function can i use to do this?

Hi I've been learning python through andrew harrington's guide, but i got stuck on a problem where you enter a list (ex. ['very', 'hot' 'day'] and have the IDLE return this----> 'veryhotday'. Ive been thinking on how to do that using a for loop statement as was intstructed in the …

i have a training application which incorporates c/c++ and raima database(a database system written in c) i was able to insert some data in it but i cant read from it. the files are as follows: Books.cpp : [CODE]#include "Booksh.h" #include <iostream> #include <string> using namespace std; info bookrec; Books::Books(void) …

Hi, I am looping through some files, gathering information into an array during that loop. The array grows with the loop counter and at every point might be longer or shorter (more or less members in it) so in order to reuse the array I need to drop all values …

OK, I've been reading a lot online and I think I can't do this, but I'm really hoping someone has a clever workaround. What I have is a bunch of classes with Color attributes. I'm also storing the red, green, blue, alpha values as integer attributes in those classes because …

Student database creating a program that will be used to manipulate a student database. This portion of the database will keep track of student data to include the students name(first, middle, last), date-of-birth, the student's id number, the student's major, and the student's GPA.Based arrays and objects,use 2 parallel arrays …

How can i code in java using Two-dimensional Arrays Method to input data from the data file Method to display the table (Please align columns, but no need to use borders, line separators, etc.) Method to compute the average of each row and display it Method to compute the average …

Can someone help me with the follow: How would you implement mergesort without using recursion?

i am using a c library from c++ application and i need to fill a c struct from c++ code, this is a c++ console application. it doesnt seem to work when i assign variable values using cin. what should i do ?

we would like to build a system in java ( set of classes ) to manage and handle text files . the required software uses the predefined java streams (FileReader, FileWriter,...) and allows creating and opening of new text files as well as writing and reading.In plus, it allows the …

Hellow, I have got to make a .s file that can do the following stuff: -image pixels are tored in memory (32bit/pixels: R-G-B alpha) -write an image correcting algorithm *copy a port of the image to another spot *increase the amount of red in the picture *Increase the brightness (simple …

hi. i am looking to run the following queries from the project zipped with this message: 1. List all lecturers in alphabetic order by surname within a selected department. 2. List all lecturers within a selected faculty. 3. List all modules taught by a selected lecturer. i am having trouble …

hello,i am new in the forum i want from any member in this forum solution this equation (in the insertion any equation for example this (sum=sum+5;) this equation not enduring ) shown in the screen or to be product: sum identifier = operator sum identifier + operator 5 number ; …

hi....i'm trying to write a code that generate random numbers quickly because i'll iterate my code a lot of times.....millions of times.... I use srand(time(NULL)) to initialize the seed, and random(RAND_MAX) to generate the random number, but this form is annormally slow I need help to reduce the time of …

The following function mixes call by reference and call by value parameters. [ICODE]void T ( int & a, int b ) { int c = a - 1; a = c + b; b = a + 2; }[/ICODE] Suppose that in main we had the following: [ICODE]int apple = …

Hey, I'm somewhat new to programming in c++ and I have had this code I wrote for a long time now. I wrote this about 9 months ago when I was really interested in learning the c++ language but lost interest during the summer. Well, now I'm getting back into …

I had to write a triangle code enabeling it make some functions and including constructors inside..based on using the class Point(i atached the description file of it here and the Point.class itself)..I can't write the " public static void main () " in my code cause it screams errors to …

Using Visual Basic 2008 Express, this has happened to me twice now. I have emailed projects as zipped email attachments, and then when I restore them and open the project, when I click on the VIEW menu, the Designer option does not show up! All I can do is look …

Hi, I'v written this code for an Assignment however I was wondering if anybody had any suggestions on how to change the loops from IF/ELSE statements to Do/While, if that would be possible just the rest of the guys in my class are doing it this way with IF and …