Software Development Forum

Hi I'm wondering how you would write a function that could iterate through any stl container so it didn't matter what you were using e.g list, vector, deque and found an item that matched in that list so the function declaration would look something like this [CODE] template <class TypeList, …

Hello. i was trying to solve this problem: [B]You’re given an array containing both positive and negative integers and required to find the subarray with the largest sum (O(N)). Write a routine in C for the above. [/B] i was able to find the largest sum. However,i had little trouble …

I'm creating a tv schedule for a hotel and need to be able to fill the schedule with particular programs that take up various amounts of time each slot is 30 mins so a film with a 1hr 30 min run time would take up 3 slots but i'm not …

I'll get straight to the point as it's very difficult to do since I haven't found the answer on google or anywhere else. [CODE] Class ArrayOfTypes { vector<MyType> P; &MyType operator [](int I) = (MyType& PT) { if (P[I] != PT) { P[I] = PT; } return P[I]; } } …

Hello, I'm trying to overload an indexing operator and I'm running into issues with a vector (3 dimensions). Here is what it should do: [CODE]operator[] The indexing operator should be overloaded to provide accessor methods for the class. Subscript 0 should provide access to the x component value of the …

Hello all. I am having difficulty getting my program to output data correctly. I have a class member function that is supposed to return the value of a specific member of a struct element based on identification with its (the struct element's) other members. [code] float MatrixType::valueAt(int i, int j) …

Hi all I need help with connecting to and manipulating a microsoft access 2007 database using code in visual basic 2008 express edition. It's for a project I'm doing for University that's due on the 12th of October:S. Please help me out in whatever way you can - links to …

So my instructor assigned us to create a program that calculates the area and stores that, along with coordinates, in an array. This has to be done for both triangles and squares. He is having us use separate classes for the project; the main Drawer class, parent class, square class, …

is there any way i can do this? As normally you can use a BB code on the post. But when using POST string it says error. i'm not sure if its because of the characters in the URL which are giving it an error but i've added \ in …

Hi every 1 i am trying to register an employee but for some reason my record is inserted twice. if i enter all details of employee and when i click save..after that if i chk my employee list i could see same record entered twice.here is my code. Private Sub …

Is it Dangerous to Derive from STD? Specifically std::string. Why I'm asking? I want to write a class that extends the functionality of std::string and a couple other std structs/classes.. So that when I do something like: String M = ""; M.Explode(........) it'll do the functionality in my class below. …

I would like the user to be able to see the sales total for any given month when they input a valid month. Everything works other than what I stated above. I am completely stumped on how to store the salesTotal values inputted by the user into an array (monthSalesTotal). …

I have this code: Note: boom.ok[1][0] has the character "a" while boom.ok[[tempr[0]][0] contains the string "ay". [CODE]if ( strcmp(&boom.ok[1][0],&boom.ok[[tempr[0]][0]) == 1) printf("Hello"); if ( strcmp(&boom.ok[1][0],&boom.ok[[tempr[0]][0]) == 0) printf("Hello");[/CODE] None of these statement prints hello. Why?

How can I get a variable amount of arguments in a function without providing how many arguments will be passed? For example, when you use a VA List, the first parameter must be the amount of arguments passed.. I don't want that. I want to just start passing any amount …

I have this code [CODE] Dim replace As String = System.DateTime.Now.AddDays(7).ToString("yyyy-MM-dd")[/CODE] What I'm trying to do is [CODE] Dim replace As String = textbox1.text.AddDays(7).ToString("yyyy-MM-dd")[/CODE] is there a way to use that add days from a text or string value already?

I'm wondering how to make my custom user type able to be added and subtracted from the same types. For example: [code]public class CustomType { public float x; public float y; public CustomType(float x, float y) { this.x = x; this.y = y; } } public class test : Form …

Hey guys, Heres what my app is trying to do: Print a members card Heres my code: [CODE]Me.AccountsTableAdapter.Connection = mainConnection Me.AccountsTableAdapter.NewQuery(Me.WaynokaDataSet.Accounts) With Me.ReportViewer1 .LocalReport.ReportPath = "G:\Bin\Waynoka Management\MemberCard" & varCardYear & ".rdlc" .LocalReport.DataSources.Add(New Microsoft.Reporting.WinForms.ReportDataSource("WaynokaDataSet_Accounts", dsReportList.Tables(0))) .SetDisplayMode(Microsoft.Reporting.WinForms.DisplayMode.PrintLayout) End With Catch ex As Exception System.Windows.Forms.MessageBox.Show(ex.Message) End Try[/CODE] The title is the error it …

I'm just trying to teach myself how to use java.util.zip, but I'm struggling with one part I think. The code below is what I have so far, I'm just not sure how to actually get it to read in a zip file? Any help would be much appreciated. [CODE] import …

The problem is in lies in TA.Insert(txtfirst.text) I really dont know what is parameter,,,,all about pls help me...pls [CODE] Public Class AddOutPatient Private Sub btncancel_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btncancel.Click Me.DialogResult = Windows.Forms.DialogResult.Cancel End Sub Private Sub btnaddout_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles …

Create a class called CardDeck with a main method contents exactly as shown here: [CODE]{ String[] deck=new String[52]; createDeck(deck); for(int i=0; i<52; i++) System.out.println(deck[i]); }[/CODE] You should create a method called createDeck which populates the array you created in the main method. You must use four loops, each creates the …

How can I do the following? I read up on Variable Arguments last time I asked this question (Mike pointed me in the right direction).. but it still does not let me define any number of them.. I Do not want to specify the first parameter and if I do, …

I have a listbox and would like to save the items added/deleted when the form closes. any ideas?

I've got an assignment due very soon that I can't for the life of me figure out. the basic idea is to create a program that allows the user to paint with large dots. If the R key is down the dot should be red, if the B key is …

Hi All, I am trying to retrieve the telephone number from Active Directory for my script, I found alot of examples online, and I tried to implement what I think should make sense (but since I really don't know vb that well, this is problematic). Below is the piece of …

I got a warning from vs2010 at compile time (C4172 returning local variable or temp) [CODE] int foo(){ int* bar = Bar() } int* Bar(){ int array[2]; array[0] = 1; array[1] = 2; return array; } [/CODE] if I understand the reason for this correctly, that the array 'array' in …

gents please help on the following. I'm creating an small application where I search from the databse table tems and add the result line to a datarow of my datatable "dt", I the set the datagridviewe datatsource to this same dt. My question is: How can I save this dt …

Hello all, I've just started to learn C++ since I have a bit of time on my hands. I was doing an exercise, learning functions and built a multiplier (very basic, enter 2 numbers and here is the result) strange thing, if the numbers you enter are very high, I …

Hi All. I am working on a program where I need help to convert a managed strinf type to unamanaged string to send as argument to function. Any help would be highly appreciated.

In old vb6.0 it was easy to highlight the target item, where to drop those dragged rows. [CODE]Private Sub listView_OLEDragOver(Data As MSComctlLib.DataObject, Effect As Long, Button As Integer, Shift As Integer, x As Single, y As Single, State As Integer) Set listView.DropHighlight = listView.HitTest(x, y)[/CODE] I have been Googling all …

Hello, is there anything wrong with the below code? i want to blink any of the for labels if the back color is LimeGreen. Timer5 is enabled already and starts at form closing event of another for. so on the timer tick i have below code. thanks for your help …

[URL="http://www.daniweb.com/software-development/vbnet/threads/360388"]http://www.daniweb.com/software-development/vbnet/threads/360388[/URL] how to make a filter that only show the items that checked and unchecked don't show in checklistbox

Hi, I want to process a text file. Here are the contents of the text file labels 1 -1 -1 0.2988 0.7012 -1 0.188161 0.811839 -1 0.0824541 0.917546 1 0.579515 0.420485 -1 0.0965063 0.903494 -1 0.174624 0.825376 -1 0.0404312 0.959569 -1 0.0770909 0.922909 -1 0.12001 0.87999 1 0.778388 0.221612 In …

[CODE]void alternate(char wordWord[][MAX],char wordVar[],int word[],int i,int j, int k, int l) { char ang[4],si[3],ni[3],ay[3],sa[3],kay[4]; int X,Y,Z1,Z2; strcpy(ang,"ang"); strcpy(si,"si"); strcpy(ni,"ni"); strcpy(ay,"ay"); strcpy(sa,"sa"); strcpy(kay,"kay"); tokenize(wordWord,wordVar,word,i,j,k,l); if(wordWord[j][k] == ang[4] || wordWord[j][k] == si[3]) X = wordWord[j][k]; else if(wordWord[j][k] == ni[3]) Z1 = wordWord[j][k]; else if(wordWord[j][k] == ay[3]) Y= wordWord[j][k]; else if(wordWord[j][k] == sa[3] …

How are you, I need some help with the following code (Attached Form1 & AccountClass). I am trying to figure out the following: - Figure out the code in ButtonWithdrawal when the amount is bigger than 0. - Show the (Balance) in ButtonBalanceInq. - Show the List of transactions in …

I have been looking around the internet all day looking for a way to stop my program from entering an infinite loop when the user enters anything except a number when I cin an int. For example: [CODE] while(blah blah) { int x; cin >> x; if(x == 4) break; …

Hey, Is there a way, by using find, to create a method that finds the last occurrence of a character in a string? I know how to use the find method to find the first occurrence but have no idea how to do it backwards. Basically this is what I …

I am having a problem with setting JButtons so the are not opaque to i can see the image behind them. I also have a JTextfield and here it is working, I dont know what i am doing wrong, I'm creating a gui for the mainmenu of my game. here …

Seem to be having trouble. The trouble i'm having is the calculateAverage, and a bit of the public static main void area. I'll explain: calculateAverage: What i'm suppose to do is read from the txt file. I tried doing the inFile.nextDouble part, but seem to be getting errors. i'm not …

Hi, In the following code (Class & Form1), I'm trying to figure out the following: - Create an array that stores the 'Clients' (first name, last name, account number) - 'Button List' the array with the (First Name , Last Name , Array Value , Account Balance) I attached the …

Hi, I am trying to "Show" an error message for the user in two cases: 1. If he/she did not enter a correct value for a String. 2. If he/she did not enter a correct value for a Decimal. I know I have to use Try & Catch but each …

Hello guys. Im using visual studio 2005 and access 2007 as database. I have already connect the database which have two table with two gridview in a web form (asp.net). Now i want to compared the data in the two gridview, and those who are matching should be displayed in …

Attached is my code for my homework for my C++ class. My problem comes from when I run the program. It returns a value of 1 every single time for the output of the "is it a leap year or not" part of my program. Then, when it outputs the …

I have looked this up and cant seem to find a solution. Nothing I can find will work with my code. I really need help because i am doing this for a class project and nothing will work. Heres what i'm trying to get it to work with. [CODE] import …

Hi there. I'm having a slight bit of trouble when using a multi level case statement in my program. I'm not sure if it's because you shouldn't use case statements inside of case statements or if it's because I haven't yet learned enough about using them. Basically I want to …

Given the following instructions ADD Rx,Ry,Rz ;Rx <- Ry + Rz ADDI Rx,Ry,Imm ;Rx <- Ry + Immediate Value NAND Rx,Ry,Rz ;Rx <- NOT (Ry AND Rz) Show how you can use the above instructions to achieve the effect of the following: CLR Rx ;Rx <- 0 I am a …

Hello! Im having trouble with reversing string in this program: [CODE]#include <iostream> #include <string> using namespace std; int numChars(string besedilo[]) { int znaki=0; int vrstica=0; for(int a=0;a<10;a++) { vrstica=besedilo[a].length(); znaki=znaki+vrstica; } return znaki; } int numWords(string besedilo[]) { int besede=0; string vrsta; for(int a=0;a<1;a++) { vrsta=besedilo[a]; for(int b=0;b<besedilo[a].length();b++) { if(vrsta[b]==' …

Hi everyone, I'm a moderate-level C++ programmer who is a little rusty at the moment. I've got an object question which is driving me nuts. I'm sure this is a C++ 101 level question, but for the life of me, I can't recall the solution. Basically, I've got one object …

Im coding my first Java applet for a University project and im having issues. Im in the process of coding a search and information function. When the user clicks anywhere in the applet a black circle appears under the cursor, when they then press the information button, information about that …

Hello! I would like to ask for tips on how to handle database concurrency in a client server application in c#. I am using SQL Server 2008 r2 as my server. I have minimum to zero ideas on how to handle such and would really appreciate any help that you …

I want to write this function integerPower(base, exponent) that return the value of base^[I]exponent[/I] For instance integerPower(3, 4) = 3*3*3*3 The function has two parameters my question is how can I use the for loop to control the calculation? It's not that hard to use the for loop when the …