Software Development Forum

I am working on an IDE for a specific language. One of the features that I want to implement is syntax high-lighting. The way I plan to go about it: When the user presses a key, a function is called with the entire line that the user is editing as …

"An attempt to call a field (rather than a method)" What is the difference between these two??? simple english please I'm confused enough as it is!

I'm wiring a program where I have a file with city, state, population size laid out as follows; 24 El Paso, TX 577415 Indianapolis, IN 783612 Detroit, MI 925051 Fort Worth, TX 567516 Los Angeles, CA 3798981 Washington, DC 570898 etc... with 24 being the number of elements in the …

Hey guys first time learning VB6 and i have to do a Hangman project for my Gr 10 class But i need some help. I am have trouble figuring out how i make the dashes come out in my label box when someone inputs a word. Like say someone inputs …

hi all, I am trying to design a game app that uses a swing gui as a main menu. so far I have been a little confused as to how I get my 'start new game' button to actually launch the game. I have googled event handlers and cannot seem …

Could I run a java program without installing the java vitual machine on the computer?If yes how could I do it?

hi, i can't seem to a.out the program for some reason. When i type in a.out, the cursor just stays there. I think it goes in a infinite loop. I am trying to read two text files and then putting the atomic number in order. what seems to be the …

I'm trying to get the CreateProcessA function to work, but it continues giving me trouble and more trouble. Here's the code: [CODE]#include <iostream> #include <string> #include <windows.h> // CreateFile(), CreateProcess(), OpenFile(), etc. and // STARTUPINFO, PROCESS_INFORMATION #include <ctime> // srand(), time(NULL) #include <cstdlib> // rand() using namespace std; string execute(const …

hi there, i try to map a file in memory, in linux, using mmap, so that what i write in memory will be written in the file as well. the piece of code looks like this [code=c] fd = open(argv[1], O_RDWR); if (fd == -1) { error_message(__FILE__, __LINE__, "'open' failed …

Hi, I've been working on a program that reads two binary files, then each value of file1 is divided by each value of file2. My binary files are 8-bit grayscale image files that is each pixel has a value between 0 and 255. I read them into byte arrays. I …

Hello everyone. I have to write a program that needs to use generics. I'm basically just hoping someone can guide me in the right direction here. Lets say I need a program that loads different crates onto a boat. I have to have a boat class (generic class), then other …

I'm trying to change the font for the turtle graph. [code] def goto(x,y): turtle.up() turtle.goto(x,y) turtle.down import turtle turtle.tracer(False) turtle.width(3) goto(-270,270) turtle.right(90) turtle.forward(540) turtle.left(90) turtle.forward(540) turtle.left(90) turtle.forward(540) turtle.left(90) turtle.forward(540) goto(50,50)[B] turtle.write('testing')[/B] turtle.tracer(True) [/code] That's a box I created and I want to add text to it. I looked around the …

Here is my code, it is suppose to take the double num, round it, and return it using call by reference, but when i try to compile it gives me an ambiguity error at [inlinecode]round(i);[/inlinecode]. please help. [CODE=c++]#include <iostream> #include <cmath> using namespace std; void round(double &num); int main() { …

Can any boby explain to me in simple english why this I get this error "Compiler Error CS0118" I'm a beginner about to throw my machine out the window!!! Below is the code for my Calcultor & the code for the DLL i'm using!!!! using System; using System.Collections.Generic; using System.ComponentModel; …

I am making a quiz show in C++ I need help in storing the answers of a quiz in a array like [QUOTE]cout<<"Q.1 Who is Known as the lady with lamp ?"<<endl<<endl; cout<<"A. Sonia Gandhi "<<"B. Florence Nightngle"<<endl; cout<<"C. Mother Tersa "<<"D. Madame Rozario"<<endl<<endl<<endl;[/QUOTE] So how do I Input the …

Ok I have no idea why I'm getting this error. I'm guessing its the fact I'm trying to return something from another class but I don't know how else to do it. [code=C++] #ifndef Floor_h #define Floor_h #include <queue> #include "Passenger.h" using namespace std; class Floor { public: Floor(); void …

Is there a way to carryout explicit data type convertions automatically? if the complier can see your errors why can't it correct them?

I am doing this program that has listboxes and 2 combos Listbox 1: 1-3 Persons Listbox2: 4-7 Persons Combo1: 8-20 Combo2: 21-50 When I click on a number of persons the price is displayed... But I need a way to change the prices so they must not be in the …

My program keeps crashing when the retrieve function calls the getName function. I'd like to make sure my getName function is correct before tinkering with my retrieve function. I'd appreciate any ideas. Is there a problem with deleting the name if it's a pointer? header file: [code] void getName(char * …

Hey everyone, I'm attempting to write a header file, example.h that will contain function declarations that will be defined in example.c. For some reason Its giving me an error when i do this [CODE]extern void mainMenu(node*);[/CODE] Now node is a struct defined in another header file, should I include that …

Hi Recently I started programming C (not C++) in borland 4.5 at school. Now my teammate and I have to make a small game. Therefor I will use an two-dimensional array, the field (a table, rows and colmnes). This two-dimensional array holds chars ("X", "|", "J", "-" and " "). …

I copied qbasic.exe and qbasic.hlp (no way to tell the version ?) from my Dos 6 Install floppy into a folder. Qbasic.exe executes ok either from within or outside the folder, but can't access its help file. I used the qbasic options 'help path' tab to enter the correct path …

Hello. I've recently started to explore the world of Java ME, and now ther's only one problem. Compiling. I've installed Java adk 1.6, Sony Ericsson SDK and even some tool I found under Suns Java ME section but the compiler still doesn't find the ME packages. Hope somone could post …

How could we implement the code if I want to read a grayscale image file into two dimensional byte array? Since we don't always know the number of rows and columns binary file has beforehand, how can I read that into 2-D array? A grayscale image is single band image …

Hi, i am given an array of atomic numbers, and I need to arrange them in order from 1-100 or something. the program i wrote is this [code] for(fill = 0; fill < (m-1); ++fill) { if(atomic_num[index_of_min] <= atomic_num[fill]) { temp = atomic_num[index_of_min]; atomic_num[index_of_min] = atomic_num[fill]; atomic_num[fill] = temp; } …

Can anyone point me in the direction of a small app that displays 2 panels on a frame, where one panel is small and at the top taking up about 20% of the frame, and the other panel takes up 80%. I would like it to be possible using wxBoxSizer …

Is there a function to remove punctuation from a string, or check to see if a char is a letter? This is a home work assignment to: 1 Write a class stack and a class queue 2 Test your classes by writing a program that will ask the user for …

Hi all, I need to write this program today and I really struggle :-( Would you be able to help at all? public class ISPN { private int[] authorId; private int[] programId; /** * Creates a new instance of ISPN */ public ISPN(int[] anAuthorId, int[] aProgramId) //constructor that takes two …

Hello All, This is suppose to be my finished code for my "PacMan Game". All this "game" is suppose to do is to allow a Pacman to eat dots that can be placed on the screen at any location by clicking the mouse. It has a main class and a …

Is there a way to accept keystrokes through c# in a console app? Basically I want to apply macros/the f-keys to my program, thanks.

I was wondering if someone would be willing to assist me. The program listed below compiles, but when I run it I get the following error an exception 'System.FormatException. I think my error is possibly convertinting the string in the readLine to a boolean inorder to test the true false …

Hi, I'm quite a beginner and not sure if I can be helpful in the future. But I'll try! anyway, here is my problem... I've been searching on the net & looking up books but still don't have a clue of how to get it work. I have to simulate …

please i need some help with this, i want to display the curent date n time at the bottom of this page. when i run it . THANKS. [code=java] import javax.swing.*; import java.awt.*; import java.awt.event.*; import javax.swing.event.*; import java.util.Calendar; /* <applet code=" The.class" height=20 width=20> </applet> */ public class The …

Hi folks, Perl === Instead of using following command printing output to a file; $ perl AAA.pl > /pathto/name_of_file is it possible adding "print file function" to the script 1) If YES Please advise how to make it. 2) Can I add following bash syntax to the script user=$(whoami); now=$(date …

Hey guys I need some help on this code. I'll just post the parts of the code needed to do thing I'm stuck on. [CODE]class Robot { public: // Constructor Robot(Arena* ap, int r, int c); // Accessors int row() const; int col() const; // Mutators void move(); private: Arena* …

here is my problem ... I have a bunch of usernames in a listbox called listBox1, how can i store each line of text into a mulitiple arrays of a string? i cant seem to figure it out I want to do this so later i can use "usernames[x]" so …

I thought this script was working. I absolutely cannot get IIS to fully and completely work on my home comp. After making a special trip to school to test this thing out, it ends up that it's only displaying the last data entered instead of the averages, totals, etc. This …

I can't seem to get OleDb controls to show up in C# Express. Are they excluded for some reason? I have made sure they are selected in the "Choose Toolbox items..." dialog, where they are listed, but they don't appear anywhere on the toolbar. I tried to add them to …

Hello there guys, I've got a strange problem... I'm using NetBeans IDE v5.5 and when I run my application inside netbeans by clicking 'Run main project' it runs and everything works correctly. Now when I go to the dist folder and double click it... (the Jar file is assicated with …

Hey everyone, I'm attempting to monitor a directory, including subdirectories, for changes and update a database. The database part I can do, I just cant figure out how to monitor the directory for changes.. any suggestions? Is there an easy way to do it like function.getChanges(directory)?? Microsoft seems to make …

This may be a NET bug, but maybe I'm missing something. I've been trying to trap a certain kind of error when using a DataGridView. The following describes the steps to generate the error. I used a typed dataset to make the example quick, but the same thing happens if …

Good day to all of you who assisted me. I never thought I'd pass this class, but with all your help, I made it. This is the only C++ course that I needed...so I really wont have any c++ questions to post around here to bug anyone...but i'll still hang …

Hi, i merged two files into chem.out but i need to figure out how I would arrange them by atomic number and how i can eliminate the duplicates. Should I use structures? here is the program i wrote so far, [code=c] #include<stdio.h> #include<math.h> #include<string.h> void merge_chem(FILE * inp1, FILE* inp2, …

I need script for pinging the machines in subnet make list of alive hosts with there OS version redirected in a file. I am from System admin field and not aware of scripting and also beginner of UNIX. Thanks in advance.

Hello there, do have any idea if there is a function that gets wchar from the stream, somewhat similar to fgets function. Thanks. :)

Hello there, is there a function in Linux that can handle the reading of an .ini file? Thanks.

Hi, I copied one file into another but couldn't figure out how I would number the lines and put a heading on chem.lis, which is the output. here is the program i wrote so far [code=c] #include<stdio.h> #include<stdlib.h> #include<string.h> int main(int argc, char *argv[]) { FILE *inp, *outp; char ch; …

i want ot make a 2-dimensional array of JToggleButtons to store toggle button names but i cant figure out the snytax Please Help!

Trying to write a program that will add two vectors (of type vect_t) and return a vector of type vect_t. Though I can't get my add_vect function to work. lots of redefinition errors telling me different basic types, and i can't figure out how to make it work right. Any …

I'm writing to a file. There are only ten items able to be written to the file (game scores, test results, whatever). I'm using a drop-down selection list on the form to tell which number is being submitted. Is there any way to have it checked as the page loads …