Software Development Forum

Hi! I'm learning how to make a GUI in Java. I'm wondering how to add a JThingy (JLabel, etc) without the use of the add(NameOfJThingy); Because add(); isn't static, you can't use it in a static function (like main, which must be static). I've seen that the constructor can help, …

while debugging my code in code blocks I always get this error "<filename> - Debug" uses an invalid compiler. Probably the toolchain path within the compiler options is not setup correctly?! what should I do?

I have a quick question that I'm hoping someone can help me with on here. I have 2 2d int arrays that I create for a board state and a solution that look something like this: int[][] P1 = new int[][]{{0,2,0,0,0,0},{0,0,3,0,0,0},{5,0,0,0,0,0} etc. ect. They're 6x6 arrays and I need a …

Hi there, I am new in C++/CLR. I am trying to access to Form1 property from a header file, but I can't. I have included this header file in Form1.h. Here is the source of the header file: // General.h #ifndef GENERAL_H #define GENERAL_H #include "Form1.h" void ChangeFormText() { Form1^ …

for (int m = 0; m <cName.Length; m++) { Console.WriteLine("{0} {1} {2}",cName, cMarks, cGrade); } i want to print the values of Arrays which are cName, cMarks, cGrade respectively. but em not able to print.

Hi based on the title, I want my textfile created can save at any location folder . Please help me.

[code]import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.border.*; import java.util.*; public class Cinema extends JFrame { private JLabel lblName,lblIC, lblPN, lblPerson, lblTicket, lblTP; private JTextField txtName, txtIC, txtPN, txtPerson, txtTicket, txtTP; private JRadioButton rbA, rbB, rbC, rbD, rbE, rbF; private ButtonGroup radioGroup; private JCheckBox cbxA1, cbxA2, cbxA3, cbxA4, cbxA5, cbxA6, …

Title says it all, basically I'm just trying to print the pointer *p to display all the values in that array. [CODE]#include <iostream> #include <string> //#include <stdlib> using namespace std; void extend(double *p, double *q, double *a, int c); int main() { const int CONST = 10; double price[CONST] = …

I am currently a C# developer with about a year of experience. I am currently working on finishing my computer science degree with a minor in mathematics. I love the job that I am in, but I the things I really want to do are in C++ (i.e. game development, …

Hello, world! This is my first post on DaniWeb, though I have frequented it quite often. I'm using gcc and make (on Ubuntu 10.10) with GVim for creating a foundation library in C. Within my code I've built in rudimentary profiling and assertion policies that are enabled through a symbolic …

how do i move the value of %eax to the memory location of %0 [CODE] int size 10; long *list = (long*) malloc(size*sizeof(long)); asm( movl $999, %%eax movl %eax, (%0) // this is what im trying, how do i fix it? :"=r"(list) :"0"(list), "a"(strLen) );[/CODE]

I've spent the last hour trying to figure out why my calculations are not adding up. Once i run the program it just output 0 for the total points program averages and etc and it also leaves student name blank. Can someone please help me figure out the issue. thanks …

Hi, I made setup file, i install it on windows 7, it install successfully , when i execute using shortcut key or .exe file it gives a message "application has stop working" and not open any form and close automatically.

Hi, this is a clue game in prolog. [B][U]I'm posting it to thank everyone that takes the time to post and help people, like me.[/U][/B] The program is spanish, cause in from México, but it's a clue game. Features: Write and read *.txt files, and use their content to compare …

hey guys, im fairly new to this so feel free to tell me if i need to supply more info. basically i need to write code to read in a text file and store different values in different variables, so for example i would read in: bob 1.1 maths 1.2 …

[code] 1: int main() 2: { 3: unsigned short x; 4: unsigned short y 5: ULONG z; 6: z = x * y; 6: return 0; 7: } [/code] Please ... i got to many error. When I want z value to write in Textbox form window. Just like var …

EDIT: My problem was solved. :) But I have a doubt, what is the most effective way to wait for something to happen in java? for example, if I want to wait for a boolean b to be true, does this below work? [CODE=java]while(!b) {} //stuff to do after wait …

Hi All,, Same as the title, Can we clear all textboxes in same time? this is possible? Its consume many time to code if we have to write clear code for every textbox. Best Regards

i have this function for dealing cards in card game. it is working fine, but i cant figure out how to pass a variable in it. Here is what i mean: This function will deal 5 card. but the user should have the option to change 1 or multiple cards …

Is there any LED control to add to MFC project in order to have some graphic sense of e.g a timer?

any idea how to use autocomplete in the textbox getting the records from database? i tried using the properties of textbox. But if the table is updated then autocompleteCustomSource is not updated... please guide me.. thank u.

What i'm using; VB2008 express, Access 2003 DB, Objective to clear the datagrid view after updating. This should happen when the user clicks the OK button "which confirms the update". Below is what I have. I see in some forums they use the .Clear and some other options so what …

[CODE]#include<stdio.h> #include<stdlib.h> #include<string.h> void main() { char* a[10]={"asd","QWE","ghj"}; printf("%s %c",a[2],a[2][2]); // prints properly... "ghj j" puts(a[1]); //prints properly..."QWE" a[1][1]='t'; //gives segmentation fault.... }[/CODE] what is the mistake in the code...??/..pls help..have an exam in 6 hrs...thank you....

How can u create a progress bar and a playlist for a custom media player??!! can anyone help??!!

i have a private sub that reads 4 lines of data from a text file, and then uses whats read and stores them in varibles. see below [CODE] Dim FileName As String = configfileV Dim TextFromTheFile As String ' Whole text Dim Lines() As String ' File splitted to lines …

ok.. so im trying to make a function to find a par of cards with the same suit value for a game of 5 card poker. Here is what i have so far: my main: [CODE] int main (void) { /* initialize suit array */ const char *suit[4] = {"Hearts", …

Hey if I have a value that was p=3 in a for loop, and after a few loops it gets changed to p=6 is there anyway to say "go back to previous value"?

I am creating a Delphi program that needs to extract data from our database and create an Excel report. I would prefer to use the Delphi components TExcelApplication, TExcelWorkbook and TExcelWorksheet, but I haven't been able to get them to work. Most of the examples I have found are fairly …

I am trying to write a code which will combine these values and format it in the following format to be used as control/validation ID. I have written a line of code that will merge these values together into a long string but I can't get the zeros to fill …

I´m trying to develop an avl tree in C++, but I have problems with my rotation algorithm. I have try ALL the algorithms I could find on the web, but none of they works and I can´t see where is the problem. Here is my structure: [CODE] typedef struct node{ …

So I have a "base" class called "SortData". When I try to allow my other header file "InsertionSort.h" inherit this base class, I keep getting a class type redefinition error. What am I doing wrong? Here's the base class header: [CODE] // SortData.h #include <iostream> using namespace std; class SortData …

what is this variable: [CODE]$/[/CODE]

Create a program that is a Point of Sales (POS) system for a restaurant. Your POS system should allow unlimited orders from any number of guest. Each guest should be able to order a drink, an appetizer, an entree, and a dessert. The program should present a total. In addition, …

main.c [CODE]#include "stack.h" #include "stack_interface.h" #include "lex.h" #include <stdio.h> #include <stdlib.h> #define PUSH(s,c) if(push_char(s,c) == ERROR){ printf("Fatal error in pushing symbol on stack.\n") ; exit(1) ; } #define POP(s,c) if(pop_char(s,c) == ERROR){ printf("Fatal error in poping symbol off stack.\n") ; exit(1) ; } #define TOP(s,c) if(top_char(s,c) == ERROR){ printf("Fatal error …

I have a directory with a bunch of stuff in it. when you say rm -r "the directory" you have to say yes,yes,yes,......20 times. Is there a script for just having the answer to all "are you sure you want to delete ...?" be yes? any scripting help, im new.

hi, i'm using crystal report and my question is how to create a crystal report which displays fields from 2 tables. i tried this code but nothing displays in the report [CODE] SqlCeConnection con = new SqlCeConnection(); con.ConnectionString = @" Data source= |DataDirectory|\Database1.sdf"; con.Open(); Database1DataSet ds = new Database1DataSet(); SqlCeParameter …

ok so im making a windows forms application in microsoft visual C# 2010. this is how i got it to change form: [CODE]page_2 page2 = new page_2(); page2.Visible = true; this.Visible = false; page2.SetDesktopLocation(50, 50);[/CODE] the form its on is page_1 and its going to page_2. this works fine, the …

Hi, I have added a SaveFileDialog to my project, to enable users to choose where they would like to save a txt file. I am using the Filter property to enable saving the file as a txt document, but when I run the project and the SaveFileDialog appears, the 'save …

hello, I'm almost done it, but I'm lost in the huge forest of c++... so, here's my code: [CODE]#include <iostream> #include <fstream> #include <time.h> #include <stdio.h> using namespace std; int gettime() { time_t rawtime; struct tm * timeinfo; time ( &rawtime ); timeinfo = localtime ( &rawtime ); } int …

I have a nested class declared as: [CODE]class A { class B { // members }; // members }; [/CODE] Is there a good way to avoid typing A::B every time I need to access B's members? I'd just like to do this in one .cpp file. I tried "using …

[B]In main.cpp[/B] [CODE]#include <iostream> #include "init.h" using namespace std; Initialization Init; int main() { Init.test(); return 0; } [/CODE] [B]In init.cpp[/B] [CODE]#include <iostream> using namespace std; class Initialization { public: void test() { for(int i=0; i<10; i++) { cout<<i; } } };[/CODE] [B]In init.h[/B] [CODE]#ifndef INIT_H_ #define INIT_H_ class Initialization …

I'm having another crack at python - and I am enjoying the clean simple syntax - but one thing I couldn't work out was how to read a line from a file until a '\t' character. How could I do this? It is a phone-book program and the data is …

Hello I'm currently having a few problems with trying to read some data into an array and then workout the averages of all the data. I can read in all the data into an array line by line, the problem is I need to work out the averages of the …

I have my code on how to encrypt my app but i want my app to have be fixed encrypted app. For security purposes. Below is my code. [CODE]try { Configuration config = ConfigurationManager.OpenExeConfiguration(exeConfigName); ConnectionStringsSection section = config.GetSection("connectionStrings") as ConnectionStringsSection; section.SectionInformation.ProtectSection("DataProtectionCOnfigurationProvider"); config.Save(); Console.WriteLine("Protected = {0}", section.SectionInformation.IsProtected); } catch (Exception ex) …

Hi, I've confusion with static member variable in c++ class. Please have a look on following code. class test { public: static int i; float j; }; int test::i = 0; int main() { test *t = new test; test::i = 100; cout << "test::i = " << test::i << …

Hi Guys. I tried creating an insert into tree datastructure which is causing core dump. Please identify the issue... Here is the code [code] #include<iostream> #include<string> #include<stdlib.h> using namespace std; //Global Data struct Tree { Tree* right; Tree* left; int element; }; typedef struct Tree* TreeData; //Function Declaration void insert(TreeData …

I noticed that the main.cpp in a Qt application has to contain the following line: QApplication app(argc, argv). I know that argc is the number of command-line arguments, and argv is that array list of command-line arguments. But, the question in my mind is: what are those arguments I'm passing …

While running all codes in visual c++ it gives me the same error -"Error 1 fatal error C1083: Cannot open include file: 'test.h': No such file or directory c:\users\ila\documents\visual studio 2008\projects\game\game\testgame.cpp 1 " I have created the header file test.h.

[CODE]#include<iostream.h> int tripeCallByValue(int count1) void main(){ int count=2; cout<<"count is "<<count<<endl; cout<<"count1 is "<<count1; } int tripeCallByValue(int count1){ count1=count*3; return count1; }[/CODE] when i compile with compiler,i got a syntax error.but i didnt where i have did worng.

Form 1 contains label1 and buttonOk (form1 NOT closed) on buttonOk click the opens Form 2 Form 2 contiant a numericupdown and button1 on button1 click value of numericupdown should be displayed in label1 i tried to do this using the constructor and did not work.. help pls