Software Development Forum

I am writing a small algebra io program for an intro to c class and i am stuck. The idea is to get the user to input (a * b) + (c / d) + (e % f), in exactly the same format as you see it with the exception …

Ok, I have read several other questions basically asking the same thing, but I know this code can work instead of using other peoples work. Yes, i'm stubborn. I have written a function to be called from my main program and i keep getting an error that I cannot figure …

Good day all. I am trying to write a c++ rpg game, learning c++ as I go. As I understand it, the example below is a basic class, and I can access my variables with dot notation. Along with the class functions or methods if you wish. Thats all fine …

This is my first working java game. I am thrilled it works. What I want to know is.... what can I do to improve it? I would like to use a simple datebase to collect every possible combination of computer names. I would like to collect new information every time …

I am writing a program that implements a topological sort. The actual question is as follows : Given a collection of n items and dependency lists for each item, determine whether the dependencies support a topological sort. If not, report this fact. Otherwise, find a topological sort of the vertices …

I need help with debugging this piece of code. I know the problem is in malloc and free but can't find exactly where, why and how to fix it. Thanks. [CODE] #include <stdio.h> #include <stdlib.h> #include <ctype.h> #include <unistd.h> #include <string.h> #include <sys/wait.h> #include <sys/types.h> #define MAX_COMMAND_LENGTH 256 #define MAX_ARGS_NUMBER …

This is problem part of my assesment I've done but my assesment says use a function to calculate the fuel cost and function should take 3 parameters : distance,economy(as litres per 100 kms) , and fuel price per litre. The function should return the total cost of trip. Could you …

I am very new c# , the code i wrote constantly sends the data to console i.e console.writeline. the class is called generate_data i created another GUI class that contains a textbox. i want to redirect all the output of generate_data to the textbox. everytime generate_data class produces output it …

i have this problem with regards to java data the problem accepts input number and then output the sum of the square from 1 to the n(1 to the no. input) thus, if the input is 4 the output should be 288 because: 1 raise to 1 + 2 raise …

i have a database (access database) which contains id and img column .The id column contains ID'S and img column contains their respective images. [B] When the user selects a particular ID at runtimes the picturebox should display the corresponding image... However the problem is how to achieve this ? …

Hi I'm a java intermediate student, I have been studying java for two years. I just wanted to offer my help to those students that are currently struggling with java in general, or those who need help on an assignment. Lately I have been ahead of my class so I …

Write a function called nRandomNumbers( ) to performing the following: • Generates N random integers between -250 and 250 (inclusive) and save them in a file called number.txt, (Use the function srand()). • Prints all the generated integers. • Finds the average of all the negative integers, and the maximum …

hello all, i am new to VB. i am trying to execute SQL Stored procedures from a macro in excel. but i fail to do so. i managed to write a code that imports a table, but not to execute a SP or a function. heres my code: [code] Sub …

hi I use log4j framework for logging my program. i insert log4j.xml in my project an test it. everything was ok and logfile correctly was put in path. but when i made jar file and copy it to linux and run it it return error [CODE]log4j:ERROR Could not open [log4j.xml]. …

Ok heres the problem Im working on a final project for a java course and one thing is blocking my path. import java.util.*; public class Controller { public List<CrewMember> list = new ArrayList<CrewMember>(); public void addItem() { CrewMember cm = Academy.load( MenuUtil.getAString("Enter the role: "), MenuUtil.getAnInt("Enter the id number: ")); …

I'm currently trying to create a code in Cygwin using pure C to display ASCII control characters that may be present in the text file in a ASCII control characters non-printable form. I can call to a text file to display its contents but in normal ASCII characters but I …

Hi, I'm a bit new to java and I would like to make a program that save's and load the saved data that the user had inputted in my java program. For example I done a sort of a Bank System and when I close my program and restart it …

I havn't been able to find anything on the web which actually applies to what i'm trying to do yet. I have form1 which has 2 methods. These methods are the same but two versions, one with 3 variables in its parameter (?), one with 4. It is necessary for …

Hello. I just want to know if i have a file on my disk named 'c://blahblah/mypic.bmp' & want to show it via a Turbo c++ program. How to do that? i have googled it, but no solution.

I have a problem with this Window Procedure. in new versions of Windows OS, when I run the program, at first everything is painted & then paintings disappear (until the window receives the next paint message) [CODE] long _stdcall WndProc ( HWND hwnd, unsigned msg, unsigned wParam, long lParam ) …

I am using Data Reports throug Data Environment, and using Relational Database in MS Access.. I have prepared the query throuh SQL Builder(in data reports) and the query is running OK , but how can I pass parameter in this query to show the results on the data reports..... my …

[B][/B] Good morning everyone, can anyone give me example of how to programatically copy an existing database to another location and rename the copied version - sort of a backup. I have a database name "DbProd" which is located on a server, and I want to copy this database to …

Hi basically I'm current doing a connect 4 program that consist of 3 separate programs Connect4Model, Connect 4 Column and Connect4View... I'm trying to compile and run my connect4View program but for some what reason I'm unable to do so. Below I have supplied the code for the 3 programs. …

Hi guys.. I am having some problem with snake game project using JAVA Applet. I already have the sour code of a snake game from my friends, but I failed to make it functions probably under a JApplet. I need to do a similiar UI like click a start button. …

Hi i just have a question, i was doing the pass midterm the question is asking that " Write a class Jacket, which has a boolean instance variable isReversible and a static int variable numJackets. There are no methods " correct Ans: public class Jacket { private boolean isReversible; private …

Hi. I made this program to capture the current screen in C#. In Visual Studio 2008, it worked perfectly, but now with VS 2010, I get the following exception: ExternalException - a generic error occured in GDI+ on the line where I save the bitmap: bmp.Save("screen.jpg"); I have looked everywhere …

Hi, I am building my first VB2008 application and I am trying to figure out a way to make some check boxes being checked when an entry from a combo box is selected on top of these check boxes. More specific, I am trying to describe the services offered in …

Hi all plz help i need to search my database using data from the combo box which works fine the problem that I an experiencing is that FIND function gives me a runtime error, saying the string is not in the correct format plz help. here is the code that …

Ok, I know most of you will read this and think I am a liar, but I am really just trying to practice with multiple classes and methods. So I picked out a programming challenge from my book to see if I could get through it. I wrote the class …

hi experts i m facing a problem , i m using these code for inserting data, but showing error “[B][U]The Conversion of the char data type to a date time resulted in an out-of-rang date time value . The Statement Has been terminated[/U] [/B] “ Their is "[B]ro_date[/B]" is [B]datetime[/B] …

I have an array, which i want it common to both the f1.cpp and f2.cpp . since f1.cpp will be used to store some values in it and f2.cpp has to use it for some other computations , is there any way i can share these 2 variables . well …

I keep getting NoClassDefFoundError so I cannot check if the rest of my program works. It works on the school computers but it does not at my house. I set up the path and classpath variables how my teacher told me for derby but it still will not work, any …

Basically, I am having trouble figuring out how to work my if statements. The only one that works is the final statement and that is due to it not having the [CODE]if("#".equals(e.getActionCommand()))[/CODE] statement. So, how should I go about allowing the user to select the quantity in the combobox and …

hi helper.. i tried search many time to search this but still dont have the answer here is my code.. [COLOR="Green"]textBox11.Text = Convert.ToString(textBox3.Text) - Convert.ToString(textBox4.Text); [/COLOR] and it error : Operator '-' [COLOR="Red"]cannot be applied to operands of type 'string' and 'string' [/COLOR] please help me..im new in programming

Hello, I'm working on a problem (Huffman Tree encoding/decoding) and I need to covert and Int to a char. I was trying to use [CODE] char temp = static_cast <char> (index); //index is an integer [/CODE] it compiles but if I try to print, it crashes so obviously that idea …

I am writing a hangman program for class and so far I am able to read in and randomly pick a word from the file. The problem I am facing is counting the number of letters in the chosen word. Once I get that I can work on the rest …

I'm not sure exactly what I'm looking for or whether it exists, but I was hoping to get any ideas from the assembly experts here. I do know basic x86 and ARM assembly from classes but have not used them much in "real life." Ideally, what I would like is …

I am trying to place a friend function of a template class named sort in its own header file. I keep getting errors when compiling my test program. I have tried different things to fix it, but nothing works. My experience with template classes is limited as is my knowledge …

Hi All, I am new to C language and am suppose to write a program that gives me an even integer with cube greater than 40000 and also is divisible by 7. This is what i have... [CODE]#include <stdio.h> #include <stdlib.h> #include <math.h> int main(){ float a,b,c,d,e; a=pow(40000,1/3); while(pow(40000,1/3)<=a){ a=b; …

Hi everyone, I know this is a very beginner inquiry, but I can't seem to figure out exactly what it is that I'm doing wrong. I'm using this tutorial: [url]http://www.sthurlow.com/python/lesson05/[/url] to build a simple calculator program. My version of Python is 3.1.2 here is my code: [code] loop = 1 …

Hello, I am trying a better way to write what I have coded below, the idea is I have a one dimensional array with set values and a rectangular array that gets the number of items entered each into a text box. 1. Is there a simpler way to get …

When entering a value in dgv I want the Tab key to fire a routine. Works out ok only thing is I have to hit the Tab twice before it fires. Don't know why, is there a way to prevent it, so that I have to hit the Tab key …

hi, I have a simple monopoly style board game ready (in c++). I would like to ask you how can I add additional features to the game play such as ‘chance’ cards and ‘shake again’ squares. Is it possible to create a GUI interface for this game too? At the …

Having issues with this program. I've been trying to identify all the areas where data is created, then tried to destroy it likewise after using it. I've put a lot of delete[] coef (coef is a pointer double array to hold coefficients). The program will run half the time, then …

I am designing a cinema system I want to call a another class which has a arraylist method and then display the elements inside the arraylist. Please help I made two sample classes [CODE]Class cinema() . . . . public ArrayList<time> getTime() { for (Show show : getTime){ } return …

Hi All, 1)I want to watch a directiory in unix using a shell script. 2)In case any change happens to any of the files inside that e.g new file creation or new directory creation or any file modification we need an automated mail. 3)Mailing part i will take care 4)on …

hi........ can anyone tell me the connection strings to connect JAVA JAPPLET to sql server 2005 database and also the execution of SQL statement in java thanks

Hey. I'm making a Hangman and I have this code to retrieve a random word from a txt file: [CODE] private void ord() { Random random = new Random(); StreamReader read = new StreamReader("sweord.txt"); ArrayList lines = new ArrayList(); string line; while ((line = read.ReadLine()) != null) lines.Add(line); read.Close(); int …

Hi Guys, I am trying to create a game of a two way traffic with a human trying to move between the cars to the other side without being hit by a car. I can detect the collisions, but the main problem is my cars don't move. what maybe the …

Good afternoon all! (It is over here anyway, but chilly though) As per usual in a forum of this type, I find myself mindboggled by what is probably not that difficult to solve. Thus, I was hoping any of you could enlighten me. I am in the process of writing …