Software Development Forum

there are xls files saved in a folder and all of them have have values in the 1st, 2nd, and 3rd columns. in the folder there are about 100 excel files, the first five number of excel file names represent the patient id.there are about 5 to 10 excels for …

How would I access the string that is in the [1] position of a tuple at a given index of a listbox. What I'm trying to do is something like this:[CODE] a=Lb1.curselection()[1] a=int(a) print(Lb1[a])[/CODE] Lb1 is obviously the listbox. This particular attempt claims 1 is out of range "although I …

Lets say I have a shared library in Linux, written in C, with a single function that simply returns the pointer to a string literal. [code]void *ReturnObject() { return (void *)"\xFA\x03\x44\x10\xE0"; }[/code] When this library is loaded by the host application at runtime and this function is called, is the …

What is EOF. How is it generated? Which key corresponds to "end of file" on the keybord??

Can anyone please debug the following binary tree program, it flashes two errors: 1: Type mismatch in redeclaration of 'strdup' 2: Tpe mismatch in redeclaration of 'talloc' [CODE]#include<stdio.h> #include<ctype.h> #include<string.h> #define MAXWORD 100 struct tnode *addtree(struct tnode *, char *); void treeprint(struct tnode *); struct tnode { char *word; int …

Hi, I'm trying to render a checkbox in a datagridview column header so that when the checkbox is checked/unchecked all the cells in that column should be checked/unchecked accordingly. The datagridview is bound to a database table but the column containing the checkbox header cell is unbound. The problem is, …

Hi, we all know how to dock or anchor controls so that they resize themselves accordingly when a form is resized. It works fine till we have rows of controls on left and right size of the form. But what if have three columns (Columns as in visual sense. I'm …

Hi, I have an editable datagridview that's been databound with dataadapter and datatable, and a normal button on a form. When i edit the dgv's cells and click the save button it fires the datagridview_cellvalidating event and if the cell validation is correct it updates and saves the current record …

When a button is focused by pressing Tab key, a rectangle appears on it. Even if the button's TabStop property is set to false, when the button is clicked with mouse the rectangle appears. Is it possible to stop the rectangle from appearing? Please help. Regards.

I have a project where I want to be able to multiply 2 values from a database. So I have a combo box where the user is able to select from a set of data. This displays the data relating to the selected row in text boxes on the windows …

Hi I have an application that has an Ms Access 2007 DataBase which runns great if access is installed. Is there any code that I can use in vb that I would be able to run access with out installing it. Tanks in advance

I want write a text file event log. but when i want add second record(from datagridview) to text file, it will replace 1 record. [CODE]private void btnAddGoods_Click(object sender, EventArgs e) { SqlCommand cmdCheckID; SqlDataReader dtrCheckID; foreach (DataGridViewRow r in dataGridView1.SelectedRows) { string PONO = r.Cells[0].Value.ToString(); string DeliveryDate = r.Cells[1].Value.ToString(); string …

Hello Everyone, I am getting the following error on line 12. "variable or field 'start' declared void" I have deleted quite a bit of code, in case your wondering what the program is supposed to do. I don't understand why the compiler would have a problem with this function being …

Can someone please explain to me how the pointers were used in the line w/ the red font. I do not understand where the pointer pertains to and why there is still a need for that. Also why is it that a "+" sign was used to combine two array …

hello everyone. i read about the functions abswrite() or absread() etc, but these fucntions are not supported in modern compilers. i would like to know what are the modern alternatives of these functions in c++?? btw i am using visual studio 2010 and rad studio xe.

When I click the Submit Button in a form it should check whether 6-7 textboxes,2-3 pictureboxes nd combobox which resides in that form should not be empty..? How it is possible in Short to provide this validation..???

Hi, I downloaded AecRijndael v.1.16 encryption component for Delphi 5 from Torry.net. There is no help included and I can't work out how to use it. When it is installed it has three pertinent properties. Cyphermode - which can be ECB CBC CFB OFB Keysize - which can be SMALL128 …

how to develop face detection application in c#? what technique to use for image comparision?

Hi! I want to create my own list of keywords so that if I write spells of any keyword wrong, it get's underlined like in usual compilers. How can I create a list and create an underline command?

Recently I've just finished my first term in college about java programming, and even before I started my First term in college I already know stuff about java, but to keep this short, all I want to know is where do I go now? what topic should I study? should …

I have linked a database to a windows form. I have dragged the field objects onto the windows form. Prior to doing this I changed the first field object to a combo box and the last field object to a list item. I have proceeded with the following settings for …

i've been working on my minesweeper project and i seem to be running into a little trouble. My program compiles but my problem is setting the mines on my grid. I have used a random generator to set the positions but i dont know how to implement it on my …

Hello all, I was trying this problem of checking if the input integers can be ordered using the STL implementation of the stack. The program reads from a file named "input.txt" which in its first line has the number of integers that follow in the second line. The second line …

Roman numbers is a standard programming exercise, to give it a small twist, we input roman numeral, turn it to value and prepare minimal version of it using the substraction rule. Correctness of the input is not checked so Garbage in - Garbage out.

Hi I have a number of forms which have a common menu strip rather than copy the control onto each additional form is it possible to just call the menu from another form ?

Hi, i was just wondering how I get user details from a user table from a mysql database. Ive already worked out how to connect to the server, im just wondering how to import the data into a datagrid. Thanks Heres my current code [CODE]Imports MySql.Data.MySqlClient Module sql Dim Connection …

I don't know if I can't find my problem, or I'm just getting my keywords wrong when searching for a solution, but I can't solve it. I'm getting problems with adding values to lists, here is my code: [CODE=Python]x=[] a=raw_input ("Hello, add your first database entery") b=raw_input ("Hello, add your …

Hello there! I just start to learn the basic of C++ in/output functions. I wrote a program: [CODE]#include<iostream> using namespace std; int main() { int ptype; char options; char finops; do{ cout<<"Select a printer type: "; cout<<"\n1. HP printer"; cout<<"\n2. Dell printer"; cout<<"\n3. Brother printer"; cout<<"\nYour choice : "; cin>>ptype; …

I have drawn a grid in vb2008 so that each rectangle represents a 15 min period of a day. Time slots are shown by filling in the grid in different colours using the draw rectangle method. No problem so far. Now I want to discover the colour of any given …

Im a Junior in college now (Computer science Engineering). Im planning to start my Java certification. Im comfortable with programming in java. Im familiar with most common API and also with swing and Collections, Concurrency, etc. and also with OOPS concepts. So I thought I might take an entry level …

I have the following code: [CODE]HWND hwn= FindWindow(NULL,"CABAL"); HDC hdc = GetDC(hwn); COLORREF x; POINT m; m.x=50; m.y=50; ScreenToClient(hwn,&m); x=gp(hdc,m.x,m.y); if(x==CLR_INVALID) cout<<"CLR_INVALID\n"; cout<<"Red: "<<(int)GetRValue(x)<<"\n"<<"Green: "<<(int)GetGValue(x)<<"\n"<<"Blue: "<<(int)GetBValue(x)<<"\n"; [/CODE] The problem is gp( GetPixel ) always returns CLR_INVALID and white (255,255,255). Also, I find it strange that SetPixel works with any coordonates. …

While looking stuff about idlelib, I came to [URL="http://stackoverflow.com/questions/3431498/what-code-can-i-use-to-check-if-python-is-running-in-idle"]this thread in stackoverflow[/URL], so I posted own solution. I post it also here, as maybe somebody needs it (as for example \b looks ugly in IDLE)

I made a simple ThreadManager class that receives tasks and spawns threads to complete the tasks. Currently it keeps all the threads alive until I explicitly set threadmgr.waiting=False and all of the tasks are complete. I'm trying to eliminate the need for the former. What I would prefer is that …

Hi Everyone, I'm new to C++ and developing something to enhance my skill, however I find it difficult on my knowledge right now, I want to write a program similar to SMS that everytime I input a character it will automatically increase my counter, and if i will press backspace, …

i have a program that reads in a file with shapes and numbers and tokenizes each line. after it tokenizes, it then calculates the shapes dimensions. what i need to do is make it so that this program reads in the file and stores every shape and its values into …

I am required to compute all Lucas numbers up to a certain number. To keep track of a summation, more specifically, the summation of all Lucas numbers you have encountered up to that point. A small example: If the user inputs a bound of 23: Lucas numbers up to 23 …

I have two projects: [B]SQLtesting[/B] and [B]Controls[/B]. Their physical locations are: C:\My Documents\Visual Studio 2010\Projects\SQLtesting\SQLtesting\ [forms reside here] C:\My Documents\Visual Studio 2010\Projects\Controls\Controls\ [forms reside here] The code shown below works fine. I run it from the project SQLtesting. It loads a listbox and a checkedlistbox with the controls found on …

i have a case study about election aND i want to make a election that can call a picture

Ok here is what I am asking: is there any simple way to use program to program communication in a console application. Like one asks for a number and the other displays it?

Hello, I am working with genetic programming for classification techniques in data mining. I am not very much clear about how to perform genetic programming in C. Can i please get some sample code of genetic programming... An example program for any application would be fine. I just need some …

Hello, I am working on a program where I need to be able to send a file over the network to another computer. I would like to have a sort of system setup where each computer that is running my program will show up in an "address book" of sorts, …

[CODE]#include<iostream> #include<math.h> using namespace std; main() { int i; float j=1.00; cout<<"enter a no"<<endl; cin>>i; float k=(float)(log (i)/log(2)); k=k%j;//------------------error-------… "%" cann`t take float vlaue. if(k==0.00) cout<<"no "<<i<" is a power of 2"<<endl; else cout<<"sorry ! i am afraid "<<i<<" is not a power of 2"<<endl; } [/CODE] i tried this …

Here is a task out of a book [quote]Your task is to write a C++ program to help you convert a number into roman numerals. Roman numerals are I for 1, V for 5, X for 10, L for 50, C for 100, D for 500, and M for 1000. …

Hello, I am getting an error when I try to pass a linked list and an iterator to the printList function below. For some reason it does not recognize the printList function call. I get the following error on line 39. no matching function for call to 'printList(std::_List_iterator<Event, std::allocator<Event> >&' …

So I have this two forms.. I have a command button on the second form that when I clicked, a message box pops out and ask you if you want to go in the first form. The 'Yes' worked but the 'No' doesn't work, the first form still shows.. can …

is it possible to connect a database to c programm?

I am trying to send registration/ activation information via email, but don't want to store my authentication within the vb.net app and therefore not wanting to use .NET SMTP. I have the below php script that works from a website, but I can't seem to get the variables sent to …

Hi, I've been trying to sort a list in ascending order for a problem in class, but my for loop isn't working. [CODE]import java.util.*; public class AscendingOrder { public static void main(String[]args) { int min; Scanner input=new Scanner(System.in); int[]list; list=new int[10]; int[]list1; list1=new int[10]; System.out.print("Enter 10 integers: "); for (int …

Hi, I am trying to start to learn Delphi but I am unable to find any useful resources. I am not even able to find any IDE to download !!! I am very new to Delphi and need your help. Give me some tips to start from and then from …

I have run my codes (written in Python) in my Notebook (3 GB Ram, Dual-core CPU T4500 @ 2.3 GHz) and in my lab machine (11.57 GB Ram, i7-920 CPU @ 2.67 GHz). However, I have found execution time in Notebook 250.3 seconds, and in Lab machine 333.2 seconds. How …