Software Development Forum

Hello, I am having some strings grammar problems. [CODE] char *eisodos1[50]; char e; int *a; int i; int main() { eisodos1[i]=getchar(); (1) e=eisodos1[i]; (2) if (eisodos1[i] == ' ') g++; (3) while ((e!=EOF) && (a!=EOF)); (4) } [/CODE] Please don't look the code like a complete program, I posted the …

I can compile and run the program, but cannot output the text file and print the member list result. Anyone can advice the solution? Thanks. 1. Add new member information 2. Print member list 3. Exit #include<iostream.h> #include<fstream.h> #include<dos.h> #include<conio.h> #include<stdlib.h> #include<stdio.h> #include<string.h> #include<iomanip.h> struct student { char Stdid[7]; char …

Hello I'm using an access database for a school project. The point is to get info out of a tag (stored in database). There's a path of a picture stored in the database. When i want to get it out, everythink works. But as soon the picture is displayed and …

hey guys/gals. i get a segmentation fault whenever the for loop in the print function is executed. any suggestions? im not sure what i did wrong. [CODE]//class member functions #include "experiment.h" #include <iostream> #include <fstream> #include <cstdlib> #include <iomanip> using namespace std; int Experiment::numberOfTests = 0; Experiment::Experiment(){} void Experiment::setExpName() { …

HI, i am Nishank and have got a project -to make periodic table by using the following a. Data Structure b. Object Oriented Programming in C++ c. Data File Handling through the program the user should be able to: a.view the periodic table b.edit the periodic table c.delete a record …

hi there, how can i add a calender column by writing the code in C#, the below code gives and error: [CODE] CalendarColumn c = new (CalendarColumn)dgvAction.Rows[0].Cells[1].OwningColumn; [/CODE] what i want is when i click a check box in the datagrid view i want the current date to display in …

This is a code to solve a maze using A* search algorithm. When I run it, it gives me the following error: Exception in thread "main" java.lang.NullPointerException Can someone help me out? Below is all the code: [CODE] import java.util.List; import java.util.ArrayList; import java.util.Queue; import java.util.PriorityQueue; import java.util.Stack; public class …

I'm making a game engine and an integral part of the game is that it populates worlds based on maps loaded from a XML file, a method "Actor load(Map<String, String> code)" in a class ActorLoader takes a map and returns an actor based on this map. When you make a …

hi.. I'm new in VB, and I have a project to activate LED from VB, but the data from VB should be send first to microcontroller (I am using ATmega8535). so in simple way I suppose to activate the LED, yhe input is from VB, but it must be through …

Hello, I have a form with two list boxes and a button that, when clicked, removes the selected item from the first list box and adds it to the second list box. I can add the selected item to the second list box but i can't find a method that …

Im trying to access the objects in the vector array that ive created in the bid class. I need to access the first ask bid and then continue to compare the price and the quantity with the first buy bid. I dont understand how on EARTH im supposed access these …

Hai friends, Me too have some doubts regarding C++. What happens if a pointer is deleted twice? Which is a better option --pass by value or pass by reference ?

Hello guys, My problem is that my code will automatically go through: [code]if((ask[i].getPrice()) <= (buy[j].getPrice())){[/code] where ask and buy are vectors. I need to know how I am suppose to compare them based upon the getPrice()...... Thanks in Advanced. The rest of the code is here: [code] int i=(int)ask.size(); int …

Hey all, I've elected to write a console hangman game and I've completed it just fine. However, one thing is evading my logic as to why it wouldn't work. I want it to "appear" to LOAD GAME" at the beginning like so: "LOADING GAME....." The total wait time I want …

I have a class which accepts vectors from another class called trader. This is the simulator class: [code] #include<vector> using namespace std; class Simulator { Trader trader; Auctioneer auction; public: void run(); }; void Simulator::run() { trader.setBid(); auction.BidID(trader.getBidID(vector<int>)); auction.TraderID(trader.getTraderID(vector<int>)); auction.Quantity(trader.getQuantity(vector<int>)); auction.Price(trader.getPrice(vector<int>)); auction.Type(trader.getType(vector<char>)); auction.showbid(); auction.matchBids(); }; [/code] In these lines: [code] …

I use [CODE] Shell("explorer Path")[/CODE] Path is Directory But it Open My Document Path is D:/ I think It because The syntax "explorer Path" i try a lot like shell("explorer" path), shell(explorer path) , shell(""explorer" path") but it always open My Document

somehow this does not work: [icode]self.list_box_1.SetForegroundColour(5,"red")[/icode] SetForegroundColour is though listed in [url="http://www.wxpython.org/docs/api/wx.ListBox-class.html"]the api reference[/url]

Hello Is there a way to get data from the db with ConnectStudentDAO and populate the StudentBean.java and then copy the bean over to the model (Student.java) Is this how it is done. I'm not sure how to work out the Cast error. Thanks [b]LoginInfoBean.java[/b] [code] public String loginAction(String newUser, …

hello every one, i just want to know if it is possible to install . NET into Mandrake Linux server.. thanks..:confused:

can someone plz explain why each option is valid or invalid..i have no clue of waht is going on in these questions? all i can see are they are being multiplied?.. i do not understand these attributes and instances and cannot find any helpful resources either? i know in the …

Hi, I need help with an Assignment that requires me to continue(inheritance) on an existing assignment that I previously did. When I run the program and choose option 4 or 5 nothing happens, it skips the rest of the loop and starts again. #This is the main code that uses …

I would like to know how to send a sms (text message) from windows application to a mobile phone (with entering the number) - for free. One and the only option I know (and I tried) is to send it using email. But I do not have any provider in …

Hi, I want to know the general information about java. Is java is opensource or not? Thank you, Prem

hi, i work on windows application and i have this code: [CODE] SqlCeDataReader rrs; SqlCeCommand comd = new SqlCeCommand("select CodePersonne from Table1 where DateR ='" + DateTime.Now.Date + "';", conne); rrs = comd.ExecuteReader(); [/CODE] while running, i get this error: The data type is not valid for the boolean operation. …

hi everyone can u please correct the errors in these codes? [CODE] // Testing the Stack class of the java.util package import java.util.*; import java.awt.*; import java.awt.event.*; import javax.swing.*; public class StackTest extends JFrame { public StackTest() { super( "Stacks" ); Container c = getContentPane(); final JLabel status = new …

Please help me out with this... Sorry, Don't know how to post in coding option. this might be hard to understand. | I just copy it and posted it.... thanks in advance. /* * To change this template, choose Tools | Templates * and open the template in the editor. …

please give me a java codes to print this triangula shape using for loop........... 1 22 333 4444 55555

I recently starting learning Java, I have a pretty good grasp on C/C++ and wanted to expand my horizons. Anyway, I have being using the Headfirst Java book and recently finished the chapters on GUI. One thing that wasn't covered by the book was how to deal with child windows. …

I have the following code which basically acts as a typewriter: [code] int main () { char c; puts ("Enter text:"); do { c=getchar(); putchar (c); } while (!feof(stdin)); return 0; } [/code] However when I feed it a text file for input: [icode]$ ./typewriter < input.txt[/icode] it always adds …

Is this possible with pyhton? If it is, how can you do it? [CODE]def raise(): raise = raw_input('Do you really want to raise? y/n') if raise == 'y': bet = bet+1 return # Should RETURN to play(), after raise() # Like "goto LABEL" else: return def play(): bet = 1 …

First of all, excuse me for bad English, I speak Spanish... Well, my question is how do I implement sockets in my program? I'm working on a little game call "Battleship", I already have how to set your ships and the function to attack, but I need to connect 2 …

This is a small program that is suppose to find out the sum of even numbers entered into an array.... but everything works fine without errors but the output am getting is a negative number.... -1717986920. [CODE]#include <iostream.h> void main() { int sum=0; int i, a[6]; int range; cout<<"Enter a …

Ok here is what I want... I want to read the Dictionary file, and output its contents into the dynamic-text.dat file... But it reads the dictionary file and it will not write to the dynamic-text.dat file and I have no clue why... what am i doing wrong.. when I split …

Hello, I cannot figure out why my program crashes when it gets to the code below. Everything else in my coding works, except when I go to run this code... [code] void Auctioneer::matchingGame(){ vector<Trader>::iterator it; int i=ask.size()-1; int x=0; int y=0; int bId; int tId; char h; int temp=0; int …

Assignment - read an input file that has month, highest temp for month and lowest temp for month. I have to use a function called GetData to fill the array. I define the array as 12 rows and 3 columns. Please could someone look at the code I have and …

Hi Would anybody be able to tell me if there is a book or any material ot there explaining what kind of widgets you can get for C++. I'm not sure what kind of widgets are available in terms of functionality. When I say types I mean say textbox or …

Ok so if I wanted to do a simple while loop with a user inputting a number and a function doing some calculations, would it be possible to have it so that the user can type in 'quit' instead of a float if they want to quit? Thanks in advance.

hey guys, this is what i have so far... this part is from the main.cpp [CODE]double x; cout<<"Enter a number to search for: \n"; cin>>x; list.search(x); if (list.search(x)) cout << "\n" << x << " IS on the list! AT POSITION :" <<endl; else cout << "\n" << x << …

i have this code and for an class work task and you have to do a walkthrough table and work out the output. But i dont know how you do a walkthrough table. Can someone help? [CODE] int c = 0, sum = 0; while (sum < 8) { c++; …

I logged into a computer which is not mine. I know there is apache installed because when I type whereis apache it shows /etc/apache it has only a few files. I need to know where the htdocs directory is and also where http.conf file is. How do I accomplish this? …

What are the pros and cons of class and object methods? Which is more concise (usually)? What kind of computations can be expressed most naturally using each style)? Explain PLZ!!!

Im trying to call the reset method within this Connect4Model class is that possible. As you can see I have made and attempt and I'm getting 33 errors. I can't exactly see where I'm going wrong. If someone can guide me and let me know where I've gone wrong that …

Hi, I have some code for a program that I'm doing. Basically I'm trying to write method whereby the reset() method takes two parameters which are number of columns and number of rows. I'm doing this method whereby I have to to move all the contents of the Connect4Model constructor …

I'm new to doing Java and i was wondering if anyone would happen to know why this return type error is occurring. this is the following error C:\Users\..\Desktop\Connect4Model.invalid method declaration; return type required public reset(int numCols, int numRows) [CODE]public class Connect4Model { Connect4Column [] columns; // an array of columns …

OK I am writing a custom application which needs to do a limited amount of web browsing... i.e. browsing is not its main intention but yes it is ABSOLUTELY necessary for it to be able to browse the web.... I am using a JEditorPane with the HTMLEditorKit for the display …

Hi there, I have written a simple program which I know a solution to, I simply don't understand why the version below doesn't work. I have investigated the answer to roughly how it goes wrong, I just don't know why! Where the problems begin is commented in the last six …

well ive been trying to make an app in VB 2008 Express Edition so that every time my timer ticks it randomly adds a number like it either adds 1 or nothing but having trouble with it since it just does it one time this is my coding for the …

Here is way to put easily editable layout for input fields with standard look and collect the text variables to list for use.

Suppose if I have a dynArr pointer and a file pointer as parameters, and in the DynArr I am storing a TYPE with an integer value and a string description. How would I put the TYPEs in the DynArr into a txt file while tabbing between the string and the …

Hello, I have written a small java program that simulates a Lottery draw. I would like to generate multiple "lotto tickets" e.g 20 tickets containing 7 numbers at one time when i run the program rather than just a single ticket every time i run the program. Below is the …