Software Development Forum

Can any1 tell me what is Cross-Typing????

guys help me in implementing "doubly linked list and circular linked lisct in c" . I know the logic but i am finding difficult to code.

So I have started learning Java for my senior project at school and I would really like to make a tower defense game as my project. I have been looking for tutorials that would help but I am having trouble finding some. I have been using [url]www.javacoffeebreak.com[/url] and I've been …

I have an app put together that reads from a text file using streamreader. I have it coded, maybe not the best but it returns only the first line in the text file. I'm trying to get it to select a random line each time a button is pressed. [CODE] …

hi my friends I developing shop program and want my software can read price from POS device , i dont have information about POS please help me

I just wrote a little console app using the Visual C++ 2010 Express. But it doesn't run on other computers. I did a little research but it says I have to install redistributable package on the other pc, isn't there any other way to run the simple application?

I'm working on a seat diagram program, and it's not reading the input how it should. Also when the user enters a seat it should change the letter to an X. The program isn't reading the input correctly. When I tell the program to print the seat the user picked, …

Hello, I am using a code to generate an id for a table.But it is giving 'Conversion from type dbnull to type integer is not valid' exception. Now I know that this is due to the table being an empty set.But it works properly if there is already a row …

Hello people, I need some help regarding the insertion/deletion of data in the middle node. My problem is, if you insert a node on the middle, the existing middle node gets replaced (the nodes between the inserted node in the middle should only move left and right). And when I …

Hello, i'm justarting out with OOP with Java and i'm looking for a bit of help with a bit of code as i can't quite work out why it wont work as i'm still learning. Here's what im being asked to do [I]write a public method called requestPositionsAndMove() which takes …

Nevermind... fixed it right after posting. Epic. Fail.

[code] class A: def __init__(self): print 'A()' class B(A): def __init__(self): A.__init__(self) print 'B()' class C(B): def __init__(self): B.__init__(self) print 'C()' c = C() [/code] Cans omeone help me explaining what am I doing wrong here? I`m getting an error like: [code] B.__init__() TypeError: unbound method __init__() must be called …

Hi, I am have written a program in C but using Dev-C++ to run it. I have compiled my source code in c. however, my output window does not stay. I tried adding system(“PAUSE”); before return 0, but it does not work. My program has both return 1 and return …

Hello! friends.... Well this is not included in the project iam making .. but iwas thinking to decorate my project with some of these... Well i was thinking of making a picture box with image which will show it automatically i mean select image automatically in the described folder.. n …

Hi, Can enyone helpsme.Im new to C#. i gt this error. Embedded statement cannot be a declaration or labeled statement My code is [CODE] foreach (Form form in Application.OpenForms){ if (form is productResults) productResults pr =(productResults)form; } [/CODE] PLZ...help me.

I need some pay for play tutoring. I have a jammed schedule and don't want someone to do my work for me, but need direct and timely answers to questions, immediately. I don't have time to trial and error, or tough love learning. I take good notes, learn fast, and …

How can i trigger Leave Cell event for Msflexgrid through command button click or textbox lost focus.

i m creating one project in vb.net i m taking database msaccess. i m able to insert update delete when i m taking single table.but i m facing problem with multiple tables which is related to each other how to define the relationship between tables in dataset and how to …

my problem is so simple guys, how do i make [B]3 textboxes[/B] connect to a database of users using [B]adodc in a different form?[/B] [B]so that if you entered your userid, username and password you could log in.[/B] i cant post my code now but ill try later on.

I completed a form for my supervisor using VB via Microsoft Word. It worked beautifully on my end...I could fill it out, save it, etc. I password-protected the document and only allowed people access to fill-in the form, which consists of drop-down menurs and text boxes. However, when another user …

Hi:) How can I scroll the report in runtime by mousewheel. I am using VB6 (SP6) and for reports I am using VB report control.

Does anyone know how to read the contents of a binary file into a static struct array, that can then be searched like a normal array?

I have an IP camera that feeds video over lan or the internet thru a browser. It has its own interface on either Mozilla, IE or other browsers. I tried calling the site using the Microsoft Internet Controls component and it works fine. The GUI is called upon and I …

This is such a basic question, I'm almost embarassed to ask it. How do I loop through seleted rows in a DataGridView and remove the rows? I've tried this, but it doesn't work. After one row is removed, the index is all screwed up... [CODE] iIndex = dgvRecipe.Rows.GetNextRow(-1, DataGridViewElementStates.Selected) While …

Hello! I'm still on my long run of selfteaching... My current problem is this: I have a form and I have in it three textboxes, 1 button and 1 datagridview; I also have an access database. I can retrieve the data from the dtabase and add it to the datagridview. …

Hi guys :) I'm currently trying to do something I don't have any experience with, and I did not really understand what ixQuick found for me .. So I try here, hoping someone shouts 'oh, done this million times, it's a piece of cake' ;) So, I'm using Visual Studio …

A while ago, I had a piece of XML you put in the application config file which made .net write all exceptions and traces into a log file, without any modifications to the code. (i.e. I didn't have any trace listeners or manual log files) I cannot for the life …

Before people go why would i want to create an array of size 0 - this is due to writing a test program. at the moment i have two diffeent ways of doing - not sure which one is even slightly correct 1.[CODE]uint8_t * BufferB = new uint8_t[0]; uint8_t* p; …

I am using this code to to generate a crystal report from aa sql string that i construct using a supplied table name and some column names in txtSQL.This code contains functionality to export to ms word.However when the save dialog comes up and the user enters the intended filename.and …

hello my question would be if som1 can help out with a better prototype than i have for verifying if input is within ascii alphabetic range what i have now [CODE]int betu (char s[]){ int i, jo=0; for(i=0;i<strlen(s);++i) { if(!isalpha (s[i]) && s[i]!=' ' ) return 0; else ++jo; } …

[code] #include <stdio.h> #include<stdlib.h> int **matrix_mul(int **m1,int **m,int a,int b,int c,int d); main() { int i,j,r1,r2,c1,c2,**p,**q; printf("Enter the number of rows and columns of first matrix :\t"); scanf("%d%d",&r1,&c1); printf("Enter the number of rows and columns of second matrix :\t"); scanf("%d%d",&r2,&c2); //memory allocation for m1 int **m1; m1 = malloc(r1 * …

Hi, I am developing an windows application in vb.net. in this project i want to set the Richtextbox height according to the content in that richtextbox. For this i want to call the Richtextbox textchanged event on button click Here is my code but i got error on button click …

Hi, here is a class with the methods that i have created: [CODE]class BlackCheckAlgorithm { bool checkCheckMeh; string checkOrpiece; bool checkOrPiece; string chessPiece; bool checkSafe; int kingRow; int kingColumn; int blackkingRow; int blackkingColumn; bool dynamicCheckBlack; int whitekingRow; int whitekingColumn; bool dynamicCheckWhite; bool mate; int kingRow2; int kingColumn2; bool pieceDoesntCollideKing; bool …

I have spent all of yesterday and this morning trying to think of how to do this, and I am still stuck. I don't understand how I can take a std::vector<char> (bytes) and extract values from it by combining the bytes. I have read everything that people have posted but …

hi all........ file1 99 root S 5176 95 [B]41.2[/B] 8.3 snmpd file2 99 root S 5176 95 [B]1.0 [/B] 8.3 snmpd i want to caluculate difference between two files fifth column(i.e bolded columns as mentioned above).. thanks in advance...:'(:)

[CODE]class StudentMarks { public: int Marks; StudentMarks(); StudentMarks(int iMarks); char grade(); }; #include"grade.h" #include<iostream> using namespace std; StudentMarks::StudentMarks(int) { int iMarks=0; } /*StudentMark::StudentMark(int iStudentNewmark) { iStudentmark=iStudentNewmark;*/ char StudentMarks::getgrade() { if(iMarks>=80 && iMarks<=100) { return 'A'; } else if(iMarks>=75 && iMarks<80) { return 'A-'; } else if(iMarks>=70 && iMarks<75) { return …

im trying my hand at reading data via serial communications on a windows 32bit computer. ive accomplished this, extremely crudely and have to some degree been successful. the device i am trying to read sends data in the format $A.B.C$ followed by a '\n' or newline. using the code written …

Hi, how i can find the last element of arraylist.

Write a program that asks for your age in years, months, and days and writes out your age in seconds. Do this by calculating the number of total days you have been alive, then multiply this by the number of hours per day (24), the number of minutes per hour …

I'm running ubuntu on x86_32...and I keep getting segmentation fault while running this program. [CODE] #include<stdio.h> #include<stddef.h> char *memcp(char *dest, const char *src, size_t n) { char *dp = dest; const char *sp = src; while(n--) *dp++ = *sp++; return dest; } int main() { char *s = "abcde"; char …

which programming tool will be better if I need to write the POS system ? Thanks guy ..

First of all, Im not too good at c++. so please take it easy on me. I try to change the password but i only want to change a certain password in the text file.But when the text file got re-write like only one new password exits. the whole file …

Okay, I was given a picture in bitmap format and a very brief explanation on seekp and seekg. And was told to write a program. I am supposed to make overwrite the image as its own negative and output in binary. I don't know where to even start, I know …

Using C++/CLI-- Is there a good way to return a value (not a DialogResult) from a form shown as a dialog? I plan to use Invoke on a method to update the previous form from within the dialog, if not. I also would like to thank the fine members of …

how can i display all the account numbers that have been entered. it only shows the last account number entered, not any before it. heres the code- [code] #include <iostream> using namespace std; int main() { double deposit; double previous; double newtotal; double withdraw; int total; int number; int res; …

How to start using the GNU Octave libraries for Visual C++? I've read carefully the site but couldn't find any info how to start working with it in details. Especially I'm interested in this example: [url]http://www.gnu.org/software/octave/doc/interpreter/Nonlinear-Equations.html[/url] Starting from words: "Here is a complete example..." I wanna see this in C++ …

Hello So I have a simple structure : [CODE] struct students { char name[30]; unsigned int noofcourses; char course[50]; char status[30]; }arr[50]; //50 students [/CODE] I would like to know is how could I read multiple courses in per student from memory.[CODE]Example: Joey Brown 4 Math$Chem$Phy$Cooking Enrolled m8!! [/CODE] So …

I'm writing a simulation in population genetics and am having a problem setting up the initial population. The problem boils down to this... [CODE]int test[1][1][1]; test[0][0][1]=1; test[1][0][0]=2; printf("test: %d\n",test[0][0][1]);[/CODE] Why does this print 2? I feel like it should print 1. I've searched forums for an answer, but haven't been …

hi.. i'm new here i try to do bingo program in separated file but my class name is not declare.. i search on internet on how to solve it but still gives me error can some one help me??? [CODE]#ifndef BINGO_H #define BINGO_H #include<iostream> #include<stdlib.h> #include <time.h> #include <string.h> using …

Hello out there, I am trying to compile some simple code but am running into a weird error that I can not figure out terminate called after throwing an instance of 'std::ios_base::failure' what(): basic_ios::clear Aborted This is happening when I do an Infile>> read in the code below. What I …