Software Development Forum

Hello, I'm trying to get a string from a thing that is inside quotes as you can see [URL="http://www.daniweb.com/forums/thread209962.html"]here[/URL], but when i try to compile i got this errors: [code]ubuntu@eeepc:~/C++/Tree$ g++ -o tree tree.cpp tree.cpp: In function ‘int main(int, char**)’: tree.cpp:65: error: ‘get’ was not declared in this scope tree.cpp:65: …

Hello, I'm learning C++ and all that i learn i try to put in a interpreter of a language that i'm developing, it's only to practice, but here is a thing that i don't learned already, that is how i can get a string that is inside quotes, because i …

I am facing problem with crystal reprot when i run that report on to the other machine and the database source is not the same as the machine where the reprots where created. It gives a logon Failed Message. I tried the following code as well but still it give …

Hi How I can set ColumnType to MaskedTextBox in DataGridView?

hi there, i want to randomly pick an element from an array, so i used the following code. [code=C#] Random rndCell = new Random((int)DateTime.Now.Ticks); while (true) { rndCell.Next(aCells.Length); int rndIndex = Convert.ToInt32(rndCell.ToString()); if (aCells[rndIndex] != null) { aCells[rndIndex] = SOMETHING; // DO SOMETHING ELSE WITH rndIndex... break; } } [/code] …

Hello everyone, ok so I am working on this code that takes a string and splits it using the re module. The string contains words in between "<" and ">" (sometimes multiple words). Now what the program does is it splits the string using the two characters above. Then it …

Hi all, I am a writing a small plugin to a piece of software that allows people to parse python files and return the output to the program, and to do that, i am allowing users to enter their script. However, they can only enter into a single line text …

Hello. What im tryin to do is answer the following. Write a class named Car that has the following member variables: yearModel, make, speed. In addition the class should have the following constructor and the other member functions constructor-accept the cars year model make as arguments. an assign to the …

Here is the problem: Write a C# program that will read five scores, each on a separate line, from an external file named Unit09data.txt. Your program should then calculate the average of those scores and write the average, formatted to two decimal places in a different external file named output.txt. …

Hello all, I am in the process of teaching myself c++. I wrote one program successfully and I'm trying to write my second. I have run into a problem that I can not seem to figure out at all. I understand that this seems trivial, but I really need to …

Hi, I'm currently stuck, at this problem. I've created a tab control and make it add a new richtextbox each time a tab is added, but my problem is I can't figure out how to get the .Text part of that richtext box in that tab... here is my code …

Hello all I have been a hobbiest programmer for quite some time now and recently got back into it. I'm starting with a pretty simple program that will track inventory for my moms buisness. I've worked through most the common problems but can't seem to figure out why im getting …

can anyone explain me abt these conecpts with example plz

How do you erase an element thats inside a map. Not the key but the element the key is pointing to? This doesnt seem to be doing what i want it to. [CODE]map<int, vector<int> > my_map; map<int, vector<int> >::iterator it; void erase(int num) { for(map::iterator item=my_map.begin();item != my_map.end()) { if(it …

Okay just started teaching myself python recently and am on to pickling stuff. I just wrote a simple program exactly like the tutorial said (a few different ones actually) and I am getting an error. Here is my code: [CODE] import pickle file = open('./text/pickle.txt','w') list = ['one',2,'three',4,'five'] pickle.dump(list, file) …

I'm looking for a way to detect when a JFrame is moving (maybe there is some kind of listener). I have a primary JFrame that loads a 2nd JFrame next to it. I want this 2nd JFrame to move simultaneously with the primary JFrame as though it were attached. I …

pls. help me guys.

ok, so ive rattled my brain for quite some time now and im tired, i need help on my program because as of now, im down to 2 debugging errors "YAY!"... here is what the debugger says... " Line 7: error: too few arguments to function `void nextArray(bool (*)[20])' Line …

hi guys i can build and clean the vs solution in python and get the exe's to build but don't know how to create a window installer

Sorry I am asking a beginners problem between professional discussion.But I realy confused witch one is better.qt, gtk, wx, opengl or one else.please guide me with a clear comparison. Thanks dears. Editor ... moved from Re: Python GUI Programming (rule is: ask question in regular forum)

Hey all, I know this is a very newbish questions, but I couldn't readily find the answer on this board so I figured I would ask. Consider the following code snippet: [code=cplusplus] for(i=0;i<5;i++) { int number; int counter; cout << "Enter a number less than 10:" << endl; cin >> …

I am developing a windows application wherein i need the application to work in the following way : Say i have a textbox n listbox . Say in a textbox i type R then all the items in the listbox that contains the letter "R" in them should be listed …

Hi everyone, I am new to c# and have come across to this: dataGridView[int a, int b].Value.ToString(); I understand that it takes the values of rows and turns them to string, but I cannot figure out the two integers. Are they the first and last rows respectively? What am I …

i know that the datetime.utcnow command is to show the date and time of the instant it was called. just say i have this [CODE] int time; time = //27/08/2009 09:00:00 time = time + //15 seconds [/CODE] what is the code or the numbers i need to use for …

I'm juz wondering how do I send a single value to a 8-parameter function... [CODE] void enterdata1(int &row1col2) { cout<<"Please enter the number for Row 1-Columm 2"<<endl; cin>>row1col2; if(row1col2 != 1 && row1col2 != 2&& row1col2 != 3 && row1col2 != 4) { cout<<"Please enter the correct number (Which is …

Hello! I was looking for the answer here but I couldn't find: [url]http://www.freepascal.org/port.var[/url] . I've got old code in Turbo Pascal and I try to run it on Dev-Pascal 1.9.2. (I also tried Lazarus application, but there was "Error. Project raised exception class 'External: SIGSEGV'."). [code]Free Pascal Compiler version 1.0.6 …

Please explain. Does it automatically include the default constructor?

how can i make 2 digit counter starting from 00 to 99 and will reset when it reaches 99 . . . .

I understand the concept but i don't know when to use and what my teacher expects when he says overload certain operators.

Hi everyone I couldn't find the actual logic behind below two problems: [code](1) how to capture number of occurrences of 3 between 1 to 100? and (2) assigns a function to a pointer and subsequently call it.[/code]all problems are in c++ As I'm new in this field so,please help me …

Hi all, I'm going to attempt to create middleware in C# and i need some advice. What I'm looking to do is have an open socket, then when our VB app connects to it, it makes another socket and keep the newly connected one open. It then has to get …

Hello all, I'm working on a C# application using MS Visual Studio 2008, and I want to make an installer for this project, so I used VS2008 to add a Deployment Project and chose Installer Wizard. The Wizard proceeded great and all, but when I try to build the Setup …

Hi all, I want to know how i can decrement the value of quantity in stock in my data base. This would be based on how times an item is purchased. So every time an item is clicked, i want to show the quantity has decreased in the database. I …

I'm seeing if it is possible to write a pong game only using standard C with maximum portability. I've worked out everything except user input. When the game is playing, If the user has no key pressed down, the paddle does not move but the ball should keep moving. I …

Hi, I've written a program that uses two objects that look like the ones below, and I was wondering why i would need an assignment operator and copy constructor for either of these classes. Are strings like[ICODE] char*[/ICODE] (dynamic memory)? It would not be difficult to write these methods, I'm …

What exactly does the "Return 0;" indicate in this function? I know my code will not even compile without it, but I have just been putting it in out of habit without realizing that I do not even know what it does. I was under the assumption that it meant …

How do I make a line of code such as this possible? [code] LTEXT spnV,IDC_STATIC,57,10,200,8 [/code]

Greeting everyone.. This is my very first thread. I'm a final year student doing my thesis. I want to develop a software of Java that can encrypt an image so that it can be transformed to unreadable form. My idea is to transform the image file (i.e JPG, BMP) to …

Hi all, Following is a piece of code which tries to open an image using Tkinter, the root window opens but I am not able to see the image. I don't know what is wrong with my implementation. Could you please have a look at the code & see if …

Dear Sir, Could you tell me what is (are) wrong of the following answer:- Question:- Create the first half of a game of rock, paper, scissors. Ask the user for R, P or S. Get the computer to generate 0,1or 2. Now convert the computer’s number to R, P or …

In visual c++, what is the difference between these three: WindowClass.style = CS_HREDRAW | CS_VREDRAW; //Found in winmain() UpdateWindow(hWnd); // Also found in winmain() WM_PAINT //It is a switch case in funtion winproc() I unerstand that all three of them does something like to draw/redraw the client window/window. But can …

Hi all I am working on a project with Python tk GUI and trying to make a scrollbar that scrolls more than one canvas horizontally tried to approach it as option command = ~~ and ~~ but it seems not working does anyone have any idea on this issue??

Well, i really got stuck into this problem. In my project i wish the user to be able to select a database using an open file dialog box. I am unable to connect with this database. i used the code.. [CODE] createConnection.ConnectionString = _ "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=Tostring(ofdselectdatabase.FileName)" [/CODE] and [CODE] createConnection.ConnectionString …

Hello, simple program here i can't seem to get to work. In a nutshell the program reads characters into an array using getchar and then prints them in a loop, although the numbers printed are not the ones i entered! thanks in advance [code]#include <stdio.h> #define MAXSIZE 100 /*max array …

hi all i got problem reading multiple table from ms access using jdbc. i read two table from one class but i got 12 table to read. so how can i do dat? any help will be great thank you

Hi In my listview I have a column called grantotal which is of type double.Now it is displayed as 12300 but I want to display it as 12,300. How can I do it? Thanx in Advance

For lack of a better workflow I decided to start my project off by focusing on restoring it's state in CWinApp::InitInstance() and saving its state in CMainFrame::OnDestroy() as I put in data structures. One of the items to restore/save is the simulation time. In fact the app pretty much can't …

Hi all, I am very new to shell scripting.I have the requirement like one program is there, if it is running leave like that only and if it is stopped it has to be restart and once again keep watching and it is stopped we a have to restart once …

Hello there fellow members. I have two windows forms, and they call each other. - Form 1 has a button that calls Form 2. - Form 2 does not have an exit button, but rather a button that goes back to Form 1. - Form 1 is the main form …

I'm having a problem which can be exemplified by this python (3) code: [CODE] def askname(): sys.stdout.write("What is your name? ") x = sys.stdin.readline() sys.stdout.write("Hello, "+x) [/CODE] When I run it, I expect to get the prompt, type in my name, and then get the greeting. Instead, it prompts for …