Software Development Forum

how do I create a 2d array, where the user choos the size of the array? or have to make this: 1 2 3 4 5 1 O O O O O 2 O O O O O 3 O O O O O 4 O O O O O …

I would first like to start this post with a sincere Thank you to everyone who has posted and will post help for my problem. Without you guys, I would be banging my head on my desk. Well, I got another problem. This time with a function that takes a …

Hi, I'm creating an rts game. I'm looking for a way to store unit data. I thought, I'll make a struct for all the required data, and make a multidemensional array of them (one dimension is the different players, the other is the units). The length in both direction is …

[code] //method below are codes for connecting the database private static OleDbCommand DbConnect(OleDbCommand mDB) { mDB.ConnectionString = "Provider = Microsoft.Jet.OLEDB.4.0"; + "Data source= C:\Database\winbase.mdb"; return mDB; } [/code] When i debug, i have a error saying unrecognized escape sequence. I tried adding @ and \\ but i have more errors.

this is my header file.. sorted_list.h class sorted_list { private: class list_link { private: int key; // identifies the data double value; // the data stored class list_link* next; // a pointer to the next data public: list_link(int,double,list_link*); ~list_link(); }; class list_link* first; public: sorted_list(); ~sorted_list(); void insert(int key, double …

Not sure why I am getting it, I got this one other time and forgot how i fixed it.... Getting it when i am calling my functions in the main file (3rd) Three files to this code: [CODE]namespace SALES { const int QUARTERS = 4; struct Sales { double sales[QUARTERS]; …

can anybody tell what's wrong with this code! //=========================================================================== // hybrid.cpp --this file implement the hybridlist class // Time-stamp: <2010-10-29 18:52:46 Dnambembe> // To compile: // g++ hybrid.cpp // Copyright (c) 2010 by Domingos Nambembe. All rights reserved. //=========================================================================== #include<iostream> #include<cstddef> //need NULL #include"hybrid.h" using namespace std; typedef NodeType* NodePtr; …

I have this function in the main form: [code=c] public void Check() { UpBox myClass = new UpBox(); myClass.UpdateBox(listBox1,"Hello"); } public void Initial() { Thread thread = new Thread(new ThreadStart(Check)); thread.Start(); } class UpBox { private delegate void Box(ListBox list, string text); public void Box2(ListBox list,string text) { list.Items.Add(text); } …

I am new to conneting to MYSQL through a C++ code; so this is what i did i installed MySQL Server 5.1 (it was a EXE), and thats it. i opened the MYSql command line client and created a DB, and added a table and values to it. This is …

How to print a letter (BOLD and Italic) in C

Hiiiiiiiiiiii!!!!!!!!!........... The program written below runs perfectly upto some extent but the output varies............because the compiler prints the "{Enter the value}" line twice and itself adds a positive number in the counter.................. [code=c] #include<stdio.h> #include<conio.h> int main() { int sum1=0,sum2=0,sum3=0; char value,alpha; while(alpha!='D') { printf("\n Enter the value"); scanf("%c",&alpha); if(alpha==0) …

Hi, This is probably, a really novice question, but I have some code that is using the malloc() function to declare an array, the problem is that I am using a special compiler to compile code for hardware which gives me a lot of errors because of the stdlib.h header …

Hey guys, I have a really simple question that I doubt you'll find any trouble answering. Does any of you guys know where I can learn C++? What's the best website you know, and thank you.

i work with a guy who constantly complains and posts on stackoverflow that i am a sloppy coder (he is a web developer, i am a .net developer, he has never actually looked at my programming). but curiously, i researched. The only thing that I do not follow with best …

Hi, im trying to print a "$". I tried using: msj db "Hola", 36 msj db "Hola \$", '$' msj db "Hola \\$", '$' But none of them worked.. Help please

hi can you tell me what type of data i should use to store a very large number like 500! (factorial of 500) thanks

Dear All , I have a gps logger which store the gps data into its internal memory .I have a description file for the data format and how to send commands to the logger to get data . this file is present at the following website L [url]http://www.rigacci.org/wiki/lib/exe/fetch.php/doc/appunti/hardware/gps/mtk_logger_library_user_manual_1.2_tsi.pdf[/url] I need …

i'm trying to populate a JList, and i saw that this is how it supose to work [code] JTable tabel = new JTable(); tabel = new JTable(row, cols); while (it.hasNext() && it1.hasNext() && it2.hasNext() && it3.hasNext() && it4.hasNext()) { Object ob[][] = { { it.next(), it1.next(), it2.next(), it3.next(), it4.next() }} …

Write a program which initializes two vectors, one of type integer, the other of string. Populate the string type vector with five strings (‘one’, ‘two’, ... ‘five’). Populate the integer vector with [ 5 4 3 2 1 1 2 3 4 5 ]. Write a function that empties the …

[B]Hello..! i have an problem to connect a progress bar with listview object.P.bar working properly. bt i want to connect p.bar with ma sql database while m searching database.kindly help me where m i doin wrong..the code is below.[/B] [code] Private Sub cmdRFind_Click() On Error Resume Next Dim vLst As …

well here is my problem i had a task to transfrom sequence of decimals entered by user to binary so i did it but here comes my problem it turn out that i MUST have used at least 2 functions 1 main for input output and 1 which contains the …

I need an activeX which handles global hotkey: Shift+b The code below is supposed to do this when I call this ActiveX from IE. I see the result of RegisterHotKey is true which means that the hotkey has been registered Ok. But I don't see that any messages come to …

Is there any way to play subtitles in JMF. Any source which I can read to proceed ?

How do i add a row to a data source (datagridview)? dataGridView1.Rows.Add(textBox2.Text, textBox1.Text); that gives me an error saying: Rows cannot be programmatically added to the DataGridView's rows collection when the control is data-bound. my datasource: [code] XmlDataDocument xmlDatadoc = new XmlDataDocument(); xmlDatadoc.DataSet.ReadXml("Filepath"); DataSet ds = new DataSet("Books DataSet"); ds …

I have a project to have a file read using argc and argv. Then sort it and do some other things. I'm having trouble with the very first step. Loading the file. This is what I have so far. Any help you be great. [CODE] #include <stdio.h> #include <stdbool.h> void …

So I've printed the first node in the linkedset. What I'm trying to do now is to figure out how to print the entire linkedSet1, in this case, since only one node has been added, it should only print the first node, but once more nodes are added it will …

I know many will start with ODBC, but slow down ;) I have searched for ODBC and all I find is UnixODBC. Is this the same as ODBC? Also how stable it is? I will be happy to know some apps/companies behind it! I need support for MySQL, PostGreSQL, DB2, …

I am just learning how to work with multiple files instead of putting all my code in 1. When I have the delete lines that are marked it seems to crash the program. I must be over looking something simple here on why it is crashing. [CODE]// golf.cpp -- Definitions …

I am using Micosoft Visual Studios 2010 and reached a chapter in my book that asks for seperate compiliation. Up until now I have been using Notepad++ to write my code into a .cpp file and then used Visual Studio Command Prompt with a 'cl' command to compile the code. …

Ok I'm a VERY (stress the VERY) beginner programmer and I made a yahtzee game. Now, I'm trying to make a high score list so as to keep track of the high scores in my 1-player yahtzee game even after the applet is closed. I have one class called Yahtzee …

Please help! Im behind in my homework and dont really even understand it anyways. I cluelessly added the `addCoin("...");`, which i believe is correct. but I dont know what to add to the return statement for `public String toString( )` If you are willing to help, plz provide steps as …

Okay, you know when on like an alert window, or a form, one of the buttons automatically gets executed when you press enter, such as shown. [I]See Picture #1[/I] [i]So I was wondering[/i] how I could do this in Java for a both a JFrame and a JOptionPane. Thanks. arithehun …

[CODE]do { ReadFile = fopen("StudentDetails.txt", "r"); if(!ReadFile) { system("cls"); printf("\n"); printf("\t\t ***************************************\n"); printf("\t\t ***************************************\n"); printf("\t\t *** ***\n"); printf("\t\t *** WELCOME TO ***\n"); printf("\t\t *** CLASS ATTENDANCE SYSTEM ***\n"); printf("\t\t *** ***\n"); printf("\t\t ***************************************\n"); printf("\t\t ***************************************\n"); printf("\n\n"); printf("\t\t This File Cannot Be Open Successfully!!\n"); printf("\t\t Please Check It!!\n"); exit(-1); } ++temp_week; …

I'm working on a project that utilizes producers and consumers for an operating systems class. Each producer and each consumer will be its own thread. The producers will generate records that will be stored in a global buffer, in which the consumer will then access to use the data. I …

Hello, I need help on writing a C++ program that allow the user to input two values: a username and a password. Below is what I have so far to test the password and it is not working. #include <iostream> #include <string> #include <vector> using namespace std; int main () …

I need to write a code in which i want to create each file for every iteration of a loop add data into the file. also the filename should change every time. for example: familyname1_parts.txt for 1 iteration for second familyname2.parts.txt for 2 iteration and so on.. [CODE]try { out …

I'm using Dev-c++ to make a dialog-based app. I had it working, but now I am getting an error: An Access Violation (Segmentation Fault) raised in your program. I have narrowed it down to the winmain function: [CODE]int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR szCmdLine, int iCmdShow) { if (iCmdShow …

hello, im just trying to translate a 1d TV denoising function for matlab, which can be found here [URL="http://cnx.org/content/m31292/latest/"]http://cnx.org/content/m31292/latest/[/URL], to C++. Here's my attempt: [CODE] inline vector<double> tvDenoising(vector<double> data, double lambda, int Nit) { vector<double> J (Nit); int N = data.size(); vector<double> z (N-1); fill (z.begin(),z.end(), double(0)); vector<double> diffZ (N-1); …

Can someone please help fix this program? I'm pretty new in Python. Every time I run this program it says : Traceback (most recent call last): File "E:/Python/delin.py", line 38, in <module> discounted_total = regular_total - full_discount TypeError: unsupported operand type(s) for -: 'float' and 'NoneType' def find_discount(total): if total …

Hello, I am working on a program that requires the splitting of a string (the string in question is "BSHDDBDSBSHHSBH") so that it can count the occurrences of each separate letter. The code I currently have is: [CODE] public static void countPercent(Scanner input) { String nucl = input.next(); int[] count …

hi!!!!! any body tell me what is command line argument with example. Thank's in advance.

I am designing an instant messanger and I am using tabs to allow for multiple chats to be taking place in the same windows form. When a new chat is opened, a new tab is added, using a User Control to make the new tab contain all of the required …

Hi all, the search function failed to yield any results for me so I come here to create a new thread. I'm learning C++ on my own (sort of a weird hobby of mine to learn code, don't ask) and had an interesting question... Consider the following: Ingredients.h [code=c] #ifndef …

I need some help to write to a MySQL database using C++. any basic tutorial will be appreciated. I did google but couldn't find a beginner tutorial. I am sort of lost here. :(

Hey guys I was hoping some of you here may know how to help me with this problem I'm having where I have created picture boxes that are aliens in a game of space invaders and they move from left to right down once then right to left just like …

This is a program which declares two vectors of 6 elements each of type double. One vector is named weight and the other is named rate. The program uses a loop to prompt the user for a weight in ounces and a postage rate for that weight and then stores …

can any one identify any problems in my code? it keeps crashing once it reaches the else condition. [CODE]void path(char paths[][70], int sROW, int sCOL, int fROW , int fCOL) //recursive path function { if (paths[sROW][sCOL]=='E') { for(int i=0; i<20; i++) { cout<<endl; for(int j=0;j<70; j++) { cout<<paths[i][j]; // display …

Hi i wanted to make a software that can "Off" and "On" a computer fan connected with a usb can i make it in c++?? i have 1 year experience doing C++ Thanks,

Hey guys. I'm learning by myself the C Development... But I've got a serious problem with one my application. The exercice is: Create a board of 10 lines and 3 columns. Scanf this board. Check the 3 highest numbers of each line, add them And just printf the highest sum …

[ICODE]CR.Reset CR.ReportFileName = "StudentInformation.rpt" CR.SelectionFormula = "{SPINF.GRNO}=" & Me.txtGRNo.Text & "" And "{SPINF.CMBCAT}=" & Me.cmbCat.Text & "" CR.Action = 1[/ICODE] [I]m trying to passing two parameter for cr..! bt it always shows the error type mis match.! plz help me[/I]