Software Development Forum

So I am supposed to write a class that converts fahrenheit to celsius (& vice versa), calculates the volume of a sphere after a radius is entered, and calculates the hypotenuse of a right triangle, all using nothing but static methods. Here is what I have so far; [CODE]class Fun …

i'm trying to create a search bar where the user searches for an item. the items are in ArrayList and there is multiple ArrayLists. I want the user to be able to search for something, from all the available ArrayLists and show the result possibly in another listBox.. ie. user …

Hi Guys. Random no.'s always bother me.So,I want to start a discussion over their uniform distribution. Given : rand5() which generates randomly distributed no. from 1-5. To Code: rand7() which generates randomly distributed no. from 1-5. You have to give code using rand5() as well as without using it. Thanks,

Hi, I have a datagridview on my form.There is a column of roll no in the datagridview. I want that whenever user presses anyother key than a number key(ex:1,2,3,4....)than immediately i should get a messagebox that only numbers allowed. I have tried the below code on datagridView Cellvalidation event but …

Hello, I am trying to translate my Visual Basic program to C#. Right now i am have having problems translating this code [CODE]Private Sub SerialPort1_DataReceived(ByVal sender As System.Object, ByVal e As System.IO.Ports.SerialDataReceivedEventArgs) Handles SerialPort1.DataReceived inchar = SerialPort1.ReadLine IDstr = Microsoft.VisualBasic.Left(inchar, 2) Datastr = Microsoft.VisualBasic.Right(inchar, 6) result = Val("&h" & Datastr) …

Hi, my problem is, I have set the parameter to be 150 in the database. and the alert triggered should refer to the parameter value. if the calculation result exceeds the parameter value, it will turn the box to red colour. however, i notice that it only compares the first …

[B]How To Find determinant of a metrix using c#???[/B] How to find determinant of a metrix using C #.Please give me the complete coding in C# to find determinant of a metrix.i want to do this problem in console application..expecting reply thank you

[CODE] import java.io.*; public class CheckersGame { public static void main (String []args) throws IOException { BufferedReader jill = new BufferedReader (new InputStreamReader (System.in)); System.out.print("Enter name of the first to move: "); String name = jill.readLine(); System.out.print("Enter name of " + name + "'s opponent: "); String opo = jill.readLine(); …

I am using VB.net to develop an application, but there needs to be applied to the dll technology. So come here to seek help. First I will describe the features I need this dll I want to monitor an application's window to get in on a PSD_ENVSTAMPRECT the lParam value. …

HI, Here is my code which I am trying to run: import array a = [] for i in range(0,10): a.append(i+2) class A: def __init__(self,a): self.var1=a[0] self.var2=a[1] class B: def __init__(self, a): self.g1 = a[2] self.arr = [] cl1 = [] var = A(a) for j in range (0,10): cl1.append(var) …

So I have these two forms. On the 1st form, I have a button and on the 2nd form, I put a tabindex and created a two tab pages. If I click the the button, I want to go to the 2nd tabpage. here's my code.. TabPages2.show() It doesn't work …

So the prelab for my CSE class asks Your assignment in version 1 is to write a Java program that lets you select six lottery numbers. For this version, you can accept any six values including duplicates. Your program must have the following elements: - Create a class named Lottery1 …

Hi, This is going to be a xpath query. In the input xml, elemt 'e' is the fifth child of root element. Using the apply template and template match, am at element 'e'. How can i get the value, 5(fifth child), within the template, e. I tried using position, but …

hello all I found the sample code ,but do not understand how the author found the value of width and height in the frame,anyone can tell me ? frame.setSize(120, 285); According to my count the value must be : frame.setSize(110,250); thank you denny [code]import javax.swing.*; import java.awt.Color; public class Traffic_Lights{ …

Hi All I am referring an xml file(document.xml), through document function. Based on the input xml id value, I am taking the corresponding value from document.xml. The output will have this corresponding value and the position in input, as shown in the actualoutput.xml. However, would like to generate an output …

I have looked around the website using the search and have seen old post so I am posting a new question most likely to an old answer. I am trying to read data from a file into an array and then pass it on to a function. I also have …

Hello again. On topic, haha, I am using VB 2008, then I noticed that with the Provider.Oledb.12.ACE = database.accdb whatever connection string uses the bin/debug/database.accdb file when I connect my program with a database. Suddenly, a database with the same name appeared on the lets say "WindowsApplication1" folder. Then whenever …

I've been away from my C# programming course now for months and am very rusty to say the least. My assignment calls for the creation of a MDI text editor project. I am currently having trouble in coding such that the child form containing a rich text box is recognized …

Hey Guys, Im a young programmer from Dominican Republic and im wondering how do I add data from my database to my datagridview.I know how to add it when the datagrid is empty but I want to add the data to two existing columns in my grid.When I add it …

Holler fellow programmers I have an error that's been bugging me for almost a day now: I keep getting 14 of this error: class, interface, or enum expected Yes, 14 different exact same error message basically for every line of code in the inputGetter method below. Can someone please help... …

hi to all.. just a new member here & also a beginner in VB.NET.. we were assigned to make a payroll system and we've done most of its part.. but still there are big problems: computation of tax and print employee information.. well, the employee information is really long so …

how can I sleep my program without sleeping others (or making them slower)? I am using a windows application. here is a fragment of my code: [CODE] //#includes... int WINAPI WinMain (HINSTANCE hInst, HINSTANCE hPrevInst, char * cmdParam, int cmdShow) { MSG msg; int status; Window myWind(SW_SHOW,"Name",150,120,500,0); for(int i=0;i<550;i++){ myWind.setLocation(i,i); …

So I'm trying to achieve this myself, but I decided to ask on this forum to see if anyone knew about some obscure project on sourceforge or something that did exactly this: I need to store very large numbers and perform arithmetic on them. I am storing the values in …

I'm not exactly sure what is wrong with my code. It will run and then it stops without completing the maze. Any ideas? Thanks in advance. Here is my code: [CODE] #include <iostream> #include <ctime> using namespace std; void mazeTraverse(char [][12], int, int); int main() { char maze[12][12] = { …

I have what would seem to be a simple problem, but I can't get it. To save screen space, I'm trying to create a simple autohide window using a panel control, which will slide open and closed on the MouseEnter and MouseLeave events. For example, here's what I have on …

[CODE]#include <iostream> #include <iomanip> #include <string> #include <cmath> using namespace std; int main() { double accNum; string scode; string scodeab; double minu; double minam; double minpm; cout << fixed << setprecision(2); cout << "Please enter account number: " << endl; cin >> accNum; cout << "Please enter service code: P(for …

Anytime I try to compile the code below I get the following error message. E:\Users\Cosman\Desktop\C++ PRACTICE\read2.cpp|52|error: no match for 'operator<<' in 'std::cout << m' How do I correct this? [CODE] #include <iostream> #include <fstream> #include <cstring> using namespace std; class A { private: char name[50]; char gender[8]; int age; public: …

Hello forum: I have to set the position of 4 labels, though in this example I'm only starting with one. for some reason even though I do setLocation(40,50) it is not working. Any ideas? The code of the small part ; If you guys want the entire program Ill post …

hello i have Listview his name is listView1 i try to refresh my listview1 but that not work!!! i just see the sam details and that no update. i try this : listView1.Update() and also listView1.Refresh() and that not work!!! the code here: file EditSelectedItem.cs [CODE] private void button1_Click(object sender, …

I have multiple errors in my code that I was just working on, the errors are as follows: Here is my build log: monsters.h:11: error: storage class specified for field `enemyattack' monsters.h:11: error: ISO C++ forbids initialization of member `enemyattack' monsters.h:11: error: making `enemyattack' static monsters.h:11: error: ISO C++ forbids …

I'm using C++ VS 2010 in Win7. I'm trying to delete a zip. and/or txt. file that is less than a minute old. However; heres the rub. I don't know the name or location of the file. Only that I want to delete it by extension and a timestamp of …

Hi i created a code in vba. the requirements is that -input is 3 color bands from a resistor(in order) -and the output of the resistor in ohms -make function work for 3 colors.I am using vba. I came up with a code but it has my function highlighted in …

Hi, I'm using JasperReports in netbeans, on Ubuntu. When I execute my java application on netbeans I have no problem saving the reports, but when I clean and build the program, and run it from the .jar, the program can't save the reports. I don't know if that's because of …

For this c# exercise, we have to do an object intercepting a target. The problem is that after a certain point I suffer from extreme lag, I am almost certain that I am refreshing (Refresh()) in all the wrong places. I tried putting more in and taking almost all of …

Here is my code I am working and I cant for life of me get it to print if the year entered is a leap year or not. Please help me fix this.[code]#include <iostream> using namespace std; class dateType { private: int dMonth; int dDay; int dYear; public: void setDate …

Hey Guys, I am trying to call a function in my DDL file [code] char DLL[1024]; _getcwd(DLL, 1024); strcat(DLL, "\\LoremIpsum.dll"); HMODULE Test = LoadLibrary(DLL); PluginEntry Entry = (PluginEntry)GetProcAddress(Test, "PluginEntry"); Entry(); FreeLibrary(Test); [/code] yet on Entry(); I get an access violation in 0xC0000005. What am I doing wrong? Thanks

how calculate items in different discount plz help

Hi I have a assignment about formatting C this is the assignment print_patterns(int i, double d) - Print 10 lines as specified below. * Lines 1 and 2 are fixed patterns with 20 characters each. * Line 3-6 are for integer i (sample value 123). * Line 7-10 are for …

hi . im making a vb 6 written project. were required to create a game. but the problem is i dont have any idea on what game to create. i want it to be as simple and as easy as possible. enough to give me an adequate rating. can anyone …

For you guys, what is the best C++ Compiler?

I want to know how to read a file in Java and then store the file contents into a String object...like String[] content= file contents?? here's the code of reading a file and i want the contents to be stored in a string variable... [CODE]public static void main(String[] args) throws …

I have this problem: [CODE]struct Position { float x; float y; float z; }; bool CheckCollision(Position *vertices, int numvertices, Position start, Position end) { //return true if there was NOT a collision with the polygon defined by the vertices and the vector defined by the two positions. }[/CODE] I dont …

Hi all! I'm developing software as part of my BSc. IT (Hons) course. The aim of the software is to determine the affective state (mood) of a person who is using the system based on facial expressions. In order to do this, the program pulls images from a webcam and …

I can't catch exception on windows services. I've already tried the following: [CODE]AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(handlerMethod);[/CODE] alone and in combination with: [CODE]Application.SetUnhandledExceptionMode(UnhandledExceptionMode.ThrowException);[/CODE] It doesn't even function with: [CODE]Application.SetUnhandledExceptionMode(UnhandledExceptionMode.CatchException);[/CODE] I've also tried: [CODE]Application.ThreadException += new ThreadExceptionEventHandler(handlerMethod);[/CODE]

i have this question in mind since i first found out that you can declare and array like this [CODE] <type>* nArray [/CODE] how does the compiler how much storage to allocate? i've heard that it doesn't allocate any storage, it just points to some address and when you use …

hi i am work on my graduation project in java using borland jbulider 7 and windows 7 but now when i run the program it doesnot work correctly the component need so many time to apper i will be thankful for any help thanks

hello folks, can any one please tell me what software can me downloaded to make my own .swf files. i.e flash files........ thank you

consider a list of files in a particular directory(LIST A) 58623208 Sep 14 20:08 blbn_blfbe_drv 57904920 Sep 14 19:54 blbn_cycmn 55814208 Sep 14 06:02 clsa_Upd 38912000 Sep 14 19:12 cs_chgpp and in another directory (LIST B) 58623208 Sep 14 20:08 blbn_blfbe_drv 57904920 Sep 14 19:54 blbn_cycmn 55814208 Sep 14 06:02 …

hi people I have a project that requires me to use time.h in animation. can anyone show me a simple code of animation using time.h???

What is %u and how and where can we use it?