Software Development Forum

i have finished writing my program, but teacher want me to write a checkbook balancing program of a user's account. It has to use getline () to read a line, which will contain either the word "withdrawal" or "deposit". After reading each pair of line, the program should compute and …

Hello everybody, I am c# developer but I have c# application and want to change it with Java because sometimes I have problem. I have 7 modems and my clients send package to my application and I want to listen it with thread ans produce an answer to them. I …

Hi all, i'm working on a search function for a music CD store project. The form consists of a combobox that displays the artiste names from my database during runtime. Below the combobox are check boxes that represents the genre, such as Pop and Jazz. So for example in run …

Hi , I have textbox. When i type number with floating point(12.5) and leave focus on that textbox ,yhis textbox contains only 12. Why it is????? I want to do calculations with value of textbox so my calculations will wrong. Plz help me. Thanks in advance. Plz help me..........

Hello guys and gals. As always any help is much appreciated. I am at a dilema. I am filling a datagridview with very lengthy results. Roughly 60k rows on average. I am filling them via an oracle database using a table adapter. The records then have a filter placed on …

Hi im trying to send a key to a game but it dosent work. i have tryed this [CODE] SendKeys.Send(X) My.Computer.Keyboard.SendKeys(X) System.Windows.Forms.SendKeys.Send("{X}") [/CODE] It works in Windows but not in a game

C++ has a standard function isinf()? like isnan()? If yes, it returns true in case of +inf and -inf also?

Hello I'm trying to get a random float number between two float numbers using rand() function but I couldn't write it by myself, can you show me how to do it? Thanks...

Hi! I need [B]create a class[/B] to represent a "rock". When a rock object is created it should have print out a message to the console saying: "Rock 1 created". I should have a field that contains the rock's [B]weight[/B], methods to [I]set[/I] and [I]get[/I] the weight and method to …

When i run the second form it occurs a error "The Process cannot access the file C:\user\Maxs\Desktop\xml\Student.soap because it is being used by another process" Can anybody fix this Form1 Creating soap file [CODE] using System.IO; using Students;// Student DLL file using System.Runtime.Serialization.Formatters.Soap; namespace TestAps { public partial class Form1 …

Hey,, im writing a program using cmd commands in it.... Need Some help from experts :) 1) Question A [CODE] Process p = new Process(); string d = txtPath.Text.ToString(); d = d.Substring(0, 2); // p.StartInfo = new ProcessStartInfo("cmd", "/c \"format '+ d+ ' /fs:ntfs" );[/CODE] i have some doubts to …

Hey ! :) Below is my code for a about page ! i need to load a image instead of suing drawString to draw the image ! :icon_redface: what i need to do is to load a jpg and center it to screen ! can any1 help me to modify …

Hello! I have this funtion to delete a record from a MySQL table: [CODE]def delUser(): #Delete user #Ask for user to delete Username = raw_input('Which user would you like to delete? ') #Delete user delUser = '''DELETE FROM Users WHERE Username = %s''' cursor.execute(delUser,(Username)) db.commit()[/CODE] The problem is that it …

I am watching lectures on C++ from the stanford online courses website. I have a slight problem in understanding how memory is allocated for a string in C++. Basically when you declare a vector the constructor is called and memory is allocated for the array arr, numUsed and numAllocated are …

Hi gurus's :cool: I have got an actionListner in my code. The problem is that when I try to set my JLabel as true it does not work and does not show up in the GUI ? :@ [CODE]Button.addActionListener( new ActionListner(){ public void actionPerformed(ActionEvent e){ label.setVisible(true); myFunction() //here's some timeconsuming …

struct tnode { int data; struct tnode* left; struct tnode* right; }; struct tnode*talloc(int data) { struct tnode*p=(struct tnode*) malloc(sizeof(struct tnode)) if (p!=NULL) { p->data=data; p->next=NULL; p->right=NULL; } return p; } int main(){} I am getting a [error: 'NULL' undeclared] error, Any help would be greatly appreciated.

I am using treeview with checkboxes in each node as shown below: +[]Main []Child1 []Child2 I have an indicator from form1 which is checkbox1 and checkbox2 that is uses to control the checkboxes of child1 and 2. If checkbox1 is true automatically child1 will be true, and if checkbox2 is …

hi everyone how to generate random codes given to the computer if i give three codes example : 123,234,567 i need to output anyone of these at a time

I have recently tried installing cherrypy to no avail, and it got me wondering, is there a way to build websites using the wxpython toolkit? if somebody knows the answer and could point me in the right direction it would be a massive help

Ok, back to differences between 2.x and 3.x... I have the following code to convert the sort key to a float: [CODE]def sort_key_func(row): return float(row[76][0:5]) [/CODE] which (under 2.x) returned the value of the field in the current row in position 76 for a lengthof 5. It was called like …

So this is part of the code in one of my functions, and whenever I enter either yes, no, or something else, no matter what the response the do loop will loop again. I don't think my "if(response == "yes")" is working. Help please? :D [CODE] char response[10]; int answer; …

I am doing a project using Java swing in Netbeans and I am using their in-built GUI generator thing. I have created a socket in one frame and i need to use the same object in another frame. these frames are present in the same package but are different classes. …

I have a problem with code I am writing. I am supposed to count the instances of each specific digit that the user inputs. I am supposed to output blank digit appears blank time(s). I figured out how to get the numbers to go to different indexes in the array …

I have to convert 2D into 2 of Diamonds. I can not use if statements. If the person enters 10C then it prints out 10 of clubs. I've contemplated trying taking the string length, taking the position end of the string and using the D,C,S,H in the switch statements But …

Hello guys, This project requires the use of an array of pointers to aRandomNumberGenerator (i'll call it Random for short) objects. Both aDie and aCoin are derived classes of the Random class. I am to use the array to call the virtual function generate. My problem arises in my main …

I want to retrive some controls form form1 to form2. i dont know how to do it. Please any one help me to solve this problem... virusisfund

Hello everybody! I am just a beginner in C, so i have some problems with the password input . This is for bank account, it asks user for password input, but it doesn't works properly for three attempts, in order to go to menu: Could you help me please, what …

I write this program to cheak user name and password enter by the use is same then the user is able to login, for this i declare a pointer array to store some user name and password (like sin up by user),and then the user enter her user name and …

((serverDlg*)m_pDlg)->OnReceive(port); I built a server using MFC, and had to get the foundation going by using examples online. The OnReceieve(port), is a function that I created in my CDialog class. ((serverDlg*)m_pDlg) is the part I don't get. This line of code is in a function in my socket class, and …

Hi everyone, I was wondering if there's a way to write a command to the terminal from a c++ program. I'd like to be able to have some kind of loop with a Makefile, so the last command on a makefile runs the makefile again. Otherwise, is there a way …

Is it possible to rewrite the following VB.NET code in VB6? [CODE]Dim Names(,) As String = New String(,) {{"UserName", "RealName"}, {"UserName", "RealName"}, {"UserName", "RealName"}, {"UserName", "RealName"}, {"UserName", "RealName"}, {"UserName", "RealName"}, {"UserName", "RealName"}, {"UserName", "RealName"}, {"UserName", "RealName"}, {"UserName", "RealName"}, {"UserName", "RealName"}, {"UserName", "RealName"}, {"UserName", "RealName"}, {"UserName", "RealName"}, {"UserName", "RealName"}, {"UserName", "RealName"}, …

Dear VB Pros, Please I want to solicit your assistance on a comprehensive database design for the following explanation: I have a customer order form comprising of: 1. the following controls will get information from the customer that will be stored in the customer table. [[B]CustomerName[/B]], [[B]CustomerAddress[/B]], [[B]City[/B]], [[B]State[/B]], [[B]DateofPurchase[/B]] …

Hello, I'm simply trying to keep track of how many times a space is encounteed in a string and then print the number of times to the console. Can someone please examine and give me a tip on what is wrong? Thank you! [CODE] #include <iostream> using namespace std; int …

one thread try to read from vector and another thread try to delete from vector how to do it

Hello World, [INDENT][/INDENT]Can anybody help me to create a windows applcation with turbo c. Am newbe in turbo c and I learned to make c programmes very well, but I Am facing a lot of problems since I moved to windows applications and i can't understant why turbo c doesn't …

If I have the following line in a bash script, it works fine: [CODE]CoDescDate=$(awk -F"\t" '{print $22}' $1)[/CODE] If I embed the above line in a function that is within the same bash script, the script seems to hang at the point of invoking the function. [CODE]pay_ending_date () { CoDescDate=$(awk …

Hi Does anybody out there know of some open source projects that uses Java and would be happy to accept another developer? I am busy with a skills upgrade effort (not to mention that I am looking to build my Java knowledge). Right now I am learning design patterns and …

Hi everyone, I want to copy the output of a program with another program so I can write it to a file. I'm running Ubuntu Linux, and I'm trying to see what my system is like with hwinfo. The list is too long, though, so I need to put it …

I'm trying to compile an executable (ELF file) that does not use a dynamic loader. I built a cross compiler that compiles mips from linux to be used on a simulator I made. I asserted the flag -static-libgcc on compilation of my hello.cpp file (hello world program). Apparently this is …

I have a form that creates a row of checkboxes depending on the type of analysis the user wants to perform on the incoming file. I need to be able to determine if the checkbox is "checked" but I don't know how to do that when the controls are created …

Can someone please help with the following problem I am trying to update a sql database through a command builder but I keep getting an sql exception (Additional information: System error.). I dont know where I am going wrong because I thought the command builder should carry out the update …

Hie guys!I am developing an application(has 4 forms so far) and I want the Login form to be closed when one is on the Main Form.The application has an option of exiting the system on the Main Form but when I do that the Login Form will still be there..I …

Well i have a small code snippet which is a basic http server. Well its running fine , but i am unable to catch the feedback and store it in a log file of my own for further analysis. code snippet : [URL="http://codepad.org/MppnYU9n"]http://codepad.org/MppnYU9n[/URL] just in case wondering on how to …

// function declaration char* operator LPCTSTR(); // defenition char* String::operator LPCTSTR() { char* szArry = NULL; szArry[1024]; reurn(szArry); } how we can create a LPCTSTR string class member function in c++

I'm working on a C program that needs a lot of dynamic memory allocation of 1-D and 2-D arrays. The program works fine when I compile and run it using windows and Visual C++, but when I compile and run it in a Unix environment, I get slightly different results, …

Hi, I am writing a program in Excel Macro, where I need to create an array and then have to check wheather an element exists or not in that array. I have created the array as follows - Dim tmpArr(1 to 10) as Integer tmpArr = Array(2,4,6,8,10) Now, i can't …

Sir, i'm new here searched the forums and web. I'm a beginner and dont know C very well. The Question actually is this: [QUOTE]Write a C function called DistinctWords that counts the distinct words in its input string and prints them in the descending order of number of its occurrence. …

hi can you please help me with my project??? it is all about on making a map of the realty houses...and i dont have an idea to do it.. my teacher said..the concept is when you search the person his/her house will zoom in..please help me...

what is use of new and this keyword in java

I am writing a web page, on this web page there is a txtStart and txtEnd. Next to them I have Calendar ImageButtons. I would like to code it so when the ImageButton is clicked a calendar popup appears and when they select a date on the popup it goes …