Software Development Forum

hi, i need to create function that mesaure time in micro second . how can i do it??? hezi

Hi everyone, I write a project about a banking system . In homework professor told us that "Your code must not have any memory leaks. You will lose points if you have memory leaks in your program even though the outputs of the operations are correct." How can I check …

Hi, No excuses: my problem is that I can't get my code to check if a certain record exists in a MSA database. My code needs to check if the database contains a row where 2, 3 or 4 specified fields exist. But, as mentioned, at the moment it only …

hi i have function in mdiparent form and i want to use it in child form. i created an object reference of parent form in child form and tried to call the function but this didnt worked. wat should i do??

Hello, i really need help on this. I fully cannot understand what i am doing wrong here. This is a segment of my project that uses dynamic arrays but i seem to be getting random memory related crashes that i cannot seem to fix. These are my encode/decode classes. They …

I wonder (as I couldn't find [I]anything[/I] either on DaniWeb or anywhere else) why should one use XML and XSLT rather than plain XHTML? I couldn't find a rationale arguing for the use of XML and XSLT in connection with dynamic web content stored in a database. Zend does provide …

i need to add virtual function to my coding. somebody please help. whre should i put it heres the code. [U]figure.h[/U][CODE] //This is the header file figure.h. using std::cout; class figure { public: virtual void center(); void draw(); void erase(); }; void figure::center() { cout << "Centering the Figure"; cout …

Hi there, I have a WinForm application written in C#. I have added a WPF usercontrol added to the Winform and I want to get the mouse Events passed back to the WinForm. [B]So you can see in line 6, my XAML I have a MouseUp event:[/B] [code=xml] UserControl x:Class="CustomRssFeed.MainWin" …

I need help in Graphic programming in C. I donno how to start. I use Visual C++ compiler which doesn't support <graphics.h> Please somebody help. I can't find anything!:sad:

This program has been bugging me a lot to get working, so far I've had to fight through tons of errors Hydra style (every one I got rid of, 2 took its place). Then I finally got an error free compile, but the txt file where the answers should be …

Hi *, I have a file like this : [CODE]Example : 10 2 0 1 234.5677 0 2 345.6786 0 3 678.6764 .... [/CODE] From the first line the first number is number of lines and the second one is the number of nodes, so the thing is I need …

Hi, I'm just starting to learn how to create custom controls in C# but I'm having a problem with the toolbox here. After creating and compiling the custom control in the Library project, i add new project to the solution to test my new control, so i add reference like …

I got a plenty of free time now and interested in GUI developement, I got expirience in C++, thats not the problem. I've done apps in wxWidgets before which I got bored to. Would it be learning to learn winApi or do you guys got better suggestions, as I said …

Hi, I've been learning C++ these last few months, but never tried to make a GUI before. I've wrote a program in C++ which works via the command line, but now I'm trying to create a GUI for it (MFC using Visual Studio 2005, XP host). When I add an …

Hi, I have a problem with my matrix program. i created and initialized my matrix now i have to file the matrix with values of corr. i want it to look like this [COLOR="Red"][1, 0.1, 0.2, 0.3] [0, 1, 0.4, 0.5] [0, 0, 1, 0.6] [0, 0, 0, 1][/COLOR] [CODE][/CODE]file …

Hey I need some help to get a asignment done for tomorrow! I need to create a hex to decimal converter. EASY right! Well here is the catch. I can't use visual studios libraries to create is so [ string sHex = S; int iNumber = int.Parse(sHex, System.Globalization.NumberStyles.HexNumber); string sInt …

Hi, everyone i am so pressed with this task of developing a Piant Application using java or vb. i have run short of time, please someone save a me. I am Justine .O.

[code] void main() { static int a[]={ 0,1,2,3,4}; // if here static removed that hence error why? int *p[]={ a,a+1,a+2,a+3,a+4}; int **ptr=p; clrscr(); printf(" base address is %u",a); ptr++; getch(); } [/code] in above code in "staic int a[] " line integer array define as static why it need?

Hello again :) I had this project (first block of codes below) and out of this program i have to do the same again but this time using functions. My problem now is, i made some functions ( i hope these are functions) but on the last part (the one …

Dear all, is there is a way to go trough a matrix using just one "for" loop?, I mean I have this snippet: [CODE] #define WIDTH 5 #define HEIGHT 3 int mat [HEIGHT * WIDTH]; int n,m; int main () { for (n=0;n<HEIGHT;n++) for (m=0;m<WIDTH;m++) { mat[n*WIDTH+m]=(n+1)*(m+1); } return 0; …

hi my problem is that there is no msgbox"Hi this is my first" coding but my programme showing above message box on form loading event. Please help

Hello I am quite stuck on a python exercise and not quite sure how to finish it. My task is to draw an eye using a graphics module, and when the user clicks the mouse on the eye, the program is to specify what part of the eye was clicked …

Hey guys...Can you please help me explain what does returning an istream object mean. I am currently studying Accelerated C++ and at many places a function returns istream object. What does it mean? For example:- [CODE]istream& read(istream& is, Student_info& s) { // read and store the student's name and midterm …

I need to use a semaphore simulator Sync.py that is written in Pythone and new program (also written in Pythone) is added as parameter. There is problem with classical syntax of If statement, I do not know how to write there else branch as well as more than one command …

How can I start a launcher from python? if I do: [icode]os.system("~/localhost")[/icode] it just returns a number (probably a process id or something) if this is not possible, how can I start from python a terminal window and execute a code in that terminal? (without closing the python script) Thanks …

My project requires I use the right-hand method of solving a maze. I have to use a stack to keep track of and eventually print out the path to the exit. I know the way I am trying to keep track of each point is wrong because using mazeArray[xCoord][yCoord] is …

I have done and published application and this is what I got just after the installation: What can be wrong? PLATFORM VERSION INFO Windows : 5.1.2600.196608 (Win32NT) Common Language Runtime : 2.0.50727.3603 System.Deployment.dll : 2.0.50727.3053 (netfxsp.050727-3000) mscorwks.dll : 2.0.50727.3603 (GDR.050727-3600) dfdll.dll : 2.0.50727.3053 (netfxsp.050727-3000) dfshim.dll : 2.0.50727.3053 (netfxsp.050727-3000) SOURCES Deployment …

Just wondering if there was any kinda way of doing this kind of filtering based on comparison other than having to go through each position in an array one by one comparing it to every position in the other array. If I'm to vague and you need more information let …

Please, i want to know how to ntework in vb6. Also, capturing the system name and other things like that.

If you would convert these 3 examples to a string you would get an errormessage as no of the numbers are valid numbers. How would it be possible to do a check programatically if the number is a valid number before a conversion ? [code] String^ GetValue = ""; GetValue …

Hi everyone, sorry about my english. Im having a problem and i don't know how to fix it. I have a plugin-based application that i'm developing. Every plugin has a reference to a dll that has different static classes with functions. When i run the application with all the dlls …

I declared this inside one function: [CODE] void function() { .... static const int iLimit = GetLimit(); int iL = a_MyArray[iLimit]; .... } [/CODE] The code compiles ok in g++. What I want to know is whether the GetLimit function will be called only once (At the first call to …

Hi guys i am trying to catch the close event(press the X button) on a window form. I try this [code] private void Form1_Closing(object sender, System.ComponentModel.CancelEventArgs e) { // Display a MsgBox asking the user to save changes or abort. if(MessageBox.Show("Do you want to save changes to your text?", "My …

Hello everyone... I have a problem on the last part of my codes. This programm supposed to accept several kind of courses and its corresponding grades. So far so good... but when it comes to display the courses and the grades and its remarks of passed or failed, the programm …

Hi....I got a simple question here which i dont know how to solve... [B]Question[/B] Type casting is common in writing programs. It converts from one data type to another, for example from integer to double or float. Write a complete C++ program which uses casting, which will ask the quantity …

Hi, What is the best way of reading multiple aggregate data ? like so; [code] select id,sum(data1),sum(data2),sum(data3) from table1 group by id [/code] I know with ExecuteScalar you can get one aggregate data, but what about if you have more than one. I tried ExecuteReader and I'm getting exception [code] …

Hi, I have a program that will download files from a company website given a list of links. The site requires authentication, and I do have code that will set the authentication cookie in the request header. I get the authentication cookie from a Perl script we have. What I …

I am new in vb.net so i don't know how to take a print from a vb form. thanks for this printing code.

Hey, throwing a quick question in here: Is there a way to get the value at a cursor's location? For instance, the cursor is at {0,20} and I decide to do cout<<"Foo" then I move my cursor to {0,10} do something else and then come back to {0,20}, and I …

I need to make a sorting algorithm. The program takes an input file that stores the information into an array: the array has student's name and a personality type. The personality types are: enum values Realistic Artistic Social Conventional Then once it takes an array, it sould divide the main …

A string variable taking any kind of string has a value "yjava_jboss.log4j_file_appender_pattern_layout='%d .//- %x %-5p [%c] %m%n' " at some point of time during execution. It is to greped on a file that contains with value. I used grep "$STR" <filename> ,where STR during execution takes value as shown above. …

I have been working on this program to count the number of zero's odd, and even numbers that a user inputs. I have tried different variations and cannot get it to go, I keep getting linker errors and cannot see where the problem is. I am new to this and …

I have a class which is used as a object for my reportviewer control in C#. The Datatable in that class is used by the control to show a table. I have two issues. 1 How to create a varibale in that class that can be accessed by the reportviewer? …

I'm working on a program where I need to input a file with 5 candidates names and votes, and output the name, votes, and the percentage of total votes that candidate received, as well as the overall winner. Right now I've been able to create some arrays and output the …

Hi while doing my homeworks, i stucked here .. Writting a program to calculate the factorial of positive integer . here is my code: [CODE] int main () { int x,factorial; cout<<"Enter an integer to calculate its factorial: "; cin>>x; if (x==1 && x==0) { cout<<"\nThe facotrial is: 1"; } …

why is only my first class working? when i run this it just asks about the viruses and not the cost of the OS. [CODE]#include <iostream> using namespace std; class OperatingSystem { private: float cost; public: OperatingSystem() : cost(0) {} float getCost() { return cost; } void setCost(float cost) { …

Hi I manage to create some code to where it will read in a set of exam scores and display their category as well as if they enter an invalid number it repeats the code until the data is valid or until they enter the SENTINEL value but when I …

Hello, I'm trying to develop a chat application [I]over internet[/I]. First I want to send just strings... later files. I want to have a client that is a java applet that connects to the server - a java desktop application. I waould like to send files later over applet and …

I'm having problems generating CPU turn; preferably with AI, and also draw between player and CPU. [CODE] jButton1.setEnabled(false); boolean Userturn = true; JLabel[] label = new JLabel[9]; label [0] = jLabel1; label [1] = jLabel2; label [2] = jLabel3; label [3] = jLabel4; label [4] = jLabel5; label [5] = …

How do I make an array to find the largest portion of another array? I am trying to find the candidate that received the largest amount of votes from the following file: Johnson 5000 Miller 4000 Duffy 6000 Robinson 2500 Ashtony 1800 here is my code: [code] #include <iostream> #include …