Software Development Forum

I recently stumbled upon a boost installer (which I think is awesome), here [url]http://www.boostpro.com/download/[/url] and I was wondering if there is anything similar for QT and Visual Studio 2010? On the QT Website I found this page, but no VS2010 installer. Will the 2008 one work ? [url]http://qt.nokia.com/downloads[/url] I suppose …

hi all, I am trying to pass an array to a function. an array is like char game[4] = {'S', 'R', 'D'}; i wanna pass the entire array to a function which accept. like this void name(char *game) How to do this..?

I have two different ways to traverse a tree adt that essentially do the same thing except one is a recursive function and the other is iterative. How could I compare the efficiency between them? RECURSIVE [CODE]inorder(node) if node.left ≠ null then inorder(node.left) print node.value if node.right ≠ null then …

Aside from using switch statements, do-while loops, and if-else trees, is there a good way to complete error checking after a user input from the keyboard?

hi all, i am trying to make a prog. which will read the first line of a text file and put the first line into an array and pass the entire array to a function. Here is my code: [CODE]#include <stdio.h> #include <conio.h> #include <string.h> #include <string.h> void exe(char cmd) …

I'm doing a small GUI program it is that I have two buttons when I press on any of the buttons it displays a dialog box saying which button I pressed .One of the buttons is a text with image displayed on it . my problem is that an exception …

Hi guys, I am stuck in one of my code to count the number of occurrence of each element in an array. Can someone please nudge me towards where I am going wrong. [CODE]for(int i=0;i<r;i++){ for(int j=0;j<r;j++){ if(store[i]==store[j])//array where I need to count the no. of occurrence of elements { …

hey guys.. i have problem compiling this code.. i am new to c++ by the way. this is my code. [CODE]// Project.cpp : Defines the entry point for the console application. // Doodle Program #include"stdafx.h" #include<iostream> #include<conio.h> #include<random> using namespace std; int main(){ randomize(); cout<<"Doodler! Press I/J/K/M to move, Q …

Hi I am working on a personal project for a friend of mine.The requirement is to display the data fetched from a hand held device namely the product barcode and the quantity.I have followed the manufacturers guide and have flashed the device with a sample program that records the barcode …

good day everyone! I have a problem regarding to my program. i want to create a multiple text file. To be clear to you, i'll give an example. for example I want create a textfile named as text1.txt and another textfile text2.txt. What possibly is the solution to prevent the …

I need to know a bit about this "default int" thing in C. What I mean is, is this actually ok and with what version of C is it ok? [code] main() { return 0; } [/code] As far as I knew this was standard modern C (i.e., no retarded …

Hello everyone! I've started developing a little application for one of my friends, which he will use at work to measure his hours working + the time he has breaks. I wanna do this in python cause, I just started with this language and wanna get more fimiliar with it. …

Hello, Can anyone please tell me how to divide a 3D Cylinder in equal parts. A Cylinder has three fields as defined in the API, TOP, BODY, BOTTOM. I have divided my cylinder in these parts. Now, i only want the Cylinder.BODY (i mean the surface of the cylinder) to …

I have a shape class with each shape having a coordinate for where its located. I have overloaded the - operator to calculate distance but it doesnt return the correct value. Any clues? [CODE]//Main file with figure pointer to the derived class functions #include <iostream> #include "shape.h" #include "rectangle.h" #include …

I have 3 microsoft access databases all with exactly the same structure called Nimdas,Nimdas1 and Nimdas2. I can work on Nimdas in a program that I have written in VB2008. Now I want to flit from one to the other 'on the fly' using the same program. How do I …

Hey guys. I am trying to sort a list that has been populated using a random number generator. I am trying to use collections to sort the list but I am not have any luck. I have been stuck on this for a while and would greatly appreciate any help …

[CODE]#include <stdio.h> #include <conio.h> main() { int i; char full; char array[10]="ABCD"; for (i=0;i<=6;i++) full = array[i]; printf("%c",full); } [/CODE] I wanna convert an array to a full character .So that i can print the character like this line printf("%c",full); This program unable to print the character?? Whats wrong in …

Im building an application to store and manage Student Marks and Im gonna use Java Persistence (JPA) to do the Database work for me. So Ill be retrieving the data from the database into Objects. And then Ill want to display the Data in the objects as a JTable. And …

This does not look very efficient with transponation, sort and transponation back, so I am happy to hear about better alternatives.

Sir, i m developing a new web browser as my project in java.I have done the initial coding but when i run google homepage on my simple web browser,it shows me some html code online.how to get rid of this code?.i have also attach the view of this problem,plz look …

Hey everyone, I'm trying to do something that I have never done, I have an external class that does a lot of calculations (usually takes about 10 minutes to finish). The iterations usually run from 0 to 100 000, so I would like to have a progress bar that iterates …

I keep getting this error while trying to make my football tournament simulator, anyone know how I can solve it? or even just what it means! ------ Build started: Project: world cup sim, Configuration: Debug Win32 ------ main.obj : error LNK2019: unresolved external symbol "void __cdecl teamstructure(void)" (?teamstructure@@YAXXZ) referenced in …

I've created a jar file like this: jar cfmv Manifest.mf RoboPlot.jar RoboPlot.class ImagePlotter.class The manifest.mf file looks like this: Main-Class:RoboPlot For some reason, when I use this command to run it, java -jar RoboPlot.jar it tells me that the main class could not be found I also tried this: Manifest-Version: …

hi you know I'm doing a project on java instant messenger. I was thinking how would i implement it. should i use a seperate class for each component of the messenger. for example one class for its gui, one class for its chat diaglog, one for it jtree panel(to show …

Hello All I'm having a hard time trying to get pass this annoying error... the cool thing about this is that the user gets to see the error, and when i go to my dev environment everything works just fine.. Here is my code: [CODE] If ColaI.Recordset.RecordCount > 0 Then …

hello friends, i have two frames suppose A and B, when i open or make visible frame B from frame A by making a new object of frame B, I make invisible frame A by " [COLOR="Red"]this.setVisible(false);[/COLOR] " when i done with work in frame B, i need to close …

using c++ program,enter students record and perform the following activity: save search delete view edit print

I am trying to populate an ArrayList using the elements from a DataTable. I know I could do this using Loop, but I am trying to figure out how to using AddRange. Here's my code: [CODE]SomeArrayList.AddRange(SomeDataTable.Rows.Item(0).ItemArray)[/CODE] The problem is that I can pass the collection except for the Zeroth element. …

I am rather new here and have already a good (I hope so) question. I work with an access mdb When I run the program with the following code it gives an error “Nullreference exception unhandled” “the object… is not for an example of an object…” (very free translated but …

Another task from C++ forum is trivial in Python even taking handicap of not using Counter.

Hello everyone! I have a code below to get a specific file from my computer into the vb.net application I am developing. Is there anyone who knows how to change the path? What if I will try to put the application on a different computer? Or rather getting a music …

Hey guys, I want to know one thing, for instance I am having a character array like this: [@@123124123123125@@@] where 123, 124 and 125 are one three-digit numbers and are NOT separate like 1,2 and 3. I want to know the number of times 123, 124 and 125 have occurred. …

Hello. Like as the title sayes. Im trying to edit key values in a Map/hashMap/treeMap. For example: [CODE] public class MapExample { public static void main(String[] args) { Map<int,String> mp=new HashMap<int, String>(); // adding or set elements in Map by put method key and value pair mp.put(12, "Two"); mp.put(11, "One"); …

the following program is to print all possible sum combinations of a number for example 6=1+5,2+4,3+3,1+1+4,1+2+3 12=3+9,4+8,5+7,.......,1+1+2+3+5 but i m not getting any output...maybe there's a problem with proper ending of loops pls help[CODE]import java.io.*; public class sumpermutations { public void main()throws IOException { BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); int input,i,j,d=0,s=0,num=0,d1=0; …

Hi there Everbody, I am using Borland c++ 5.02 for my C projects but a funny thing happens at run time.Though the source code compiles minus errors, I can't get to see my output because the command prompt just appears and disappears straight away.What could be causing this?

Hi, I've noticed that in eclipse when you give "Exception" and click on exception it is redirecting to that link.. But actually according to java even if we give keywords or anything inside quotations(" ") it shouldnt be considered right? So is this a bug in eclipse? Thanks

Hi, I am using button column in datagridview , i want to change runtime change the text of button. e.g. suppose i have 5 rows and 2 columns (1st column is Test No. and 2nd Column is Start Test) in datagridview. Now am adding the button column to 2nd column …

I'm creating a form in MS Word for our customer service reps to fill out and then I want to have a submit button at the bottom of the page that will run a macro to automatically save the file in a desired directory and to use the customer's name …

Hey guyz Is this possible to get text automatically in textbox1 whenever any textbox is copied to the clipboard. I am talking to get it automaticaly. So if i copies abc then textbox1 value will be abc automatically (Not by clicking any button or form loading)

How can I get all the data in dropdownlist? For specific data, I encode: Dropdownlist.selecteditem.text. But how can I get all the data? Thanks in advance.

I am in a Java Programming class and our instructor has just assigned us our 1st project. The project would not be a problem if I understood the Java Programming Language, from the beginning of my Computer Science Schooling I have yet to understand this code and now that I …

hi, i am just wondering how to open a picture of a normal format. I know that you cant do it in the console. And i am using the compiler DEV-C++. Thanks

hi!, i have MDI form(Form1) which contain some toolstripmenu item. for example menu_101. if i do "Form1.menu_101.enabled=True" its working fine. my problem is i have a string variable like "menuname" which contain like menuname=menu_101 i need to enable or disable using this string variable like "Form1.menuname.enabled=True" please anyone knows let …

Not sure why this moderator or admin or whatever deleted my previous thread because it wasn't anything malicious.. My problem is that getfileattribute doesn't work for me.. and my code below is just a snippet of my entire program which is below that.. Dear Mod: I think you deleted it …

How can visible a button only when a check box of a Data Grid View is checked????

I am trying to make a snake program The code I currently have looks like this [CODE] import javax.swing.*; import java.awt.event.*; import java.awt.*; import java.util.*; public class SnakeG extends JPanel implements KeyListener, Runnable{ private Vector<Point> snake = new Vector<Point> (5,2); private Vector<Rectangle> snakeRectangle = new Vector<Rectangle> (5,2); public void startGraphics …

Hi All, I have a simple question, I hope. Here's the overview of the problem: "There is a board game with 9 squares on it (three rows of 3 squares). Each square has a coin on it. The coins can be either heads or tails side up. You can only …

Well, I define a function gotoxy(). [CODE]void gotoxy(int x, int y) //定位到第y行的第x列 { HANDLE hOutput; COORD loc; loc.X = x; loc.Y=y; hOutput = GetStdHandle(STD_OUTPUT_HANDLE); SetConsoleCursorPosition(hOutput, loc); return; }[/CODE] However,whenever I use it.There is a flashing cursor which is ugly to see. I want to get rid of it.But I don't …

Now i have some images and i have a database (MS Access) i need to convert all images to !one byte array!(couse i have 1 column for images) and i save this array. Then when i need a picture i should take some pic on this byte array. umm i …

My not OO version of timer for work and pause time (but it does use attributes for functions, which are objects, to avoid global declarations in functions).