Software Development Forum

I want to retrive data from table into combobox ..when the user click combobox items it's corresponding data will be show. [B]In details :[/B] I have PERSON table , my program allow to the user search by : Person Name When the user enters the name into TextBox the combobox …

hello, so im designing a simple prgram which calculates the cost of a ticket you buy. there are only 3 ticket options, namely a b and c. here is my code. [CODE] #include <iostream> using namespace std; const int PRICE = 3; int find(int [PRICE]); int main() { int nums[PRICE] …

Hi, I'm fighting a battle with a linked list and I am currently losing. I am using the toolkit, pointers, nodes and a class. My code is still buggy because after building it, it just runs for a while then stops. Please help. Here is what I have, an implementation …

Hi all, I'm relatively new to Perl and particularly new to regular expressions. This is really simple script I've just mocked up. All it does is to take the input string and check if it's in the correct format or not. Here are some examples of correct format (will always …

Hi! So, my question is how could I compare two objects. The code is shown below. The problem is that the first "if" statement is always true, even if it should be false. For instance, let's say childHierarchy[i] and hierarchy[0] are equal to 'Contract'. In this case "if (childHierarchy[i].toString() != …

I have a list of lists [CODE]x=[['a', 'b', 'c', 'd'], ['e', 'f'], ['g', 'h']][/CODE] I need the following output. [CODE]a-b a-c a-d b-c b-d c-d e-f g-h[/CODE] How can i do this? Can a regular expression be used here??

Hi, ive only started programming recently and as my second assignment i have to write a program that can convert uppercase letters to lowercase letters and visa-versa. i also have to make it stop when a full-stop is entered and count the number of times the program changed letter case. …

Hello world of DaniWeb, it's been months since I last visited this forum but here I am asking for your help again :) I've been developing a text editing application and my problem is that the RichTextBox control will "lose" all special formatting (like font, color etc.) when enabling WordWrap. …

Hi, I've got such class template: [CODE=c]template <class Type> class Stack{ private: struct Element{ Type value; Element *prev; } *end; public: Stack(){ end = NULL; } void push(Type value){ struct Element *element = new Element; element->value = value; element->prev = end; end = element; } Type pop(){ if(end != NULL){ …

hi, i'm getting error of [COLOR="Red"]data source object is invalid[/COLOR] when i try to load a transaction report from sql database. [COLOR="Red"]Error 4 Overload resolution failed because no accessible 'Fill' can be called with these arguments: 'Public Function Fill(startRecord As Integer, maxRecords As Integer, ParamArray dataTables() As System.Data.DataTable) As Integer': …

[COLOR=#555555]Hello everyone! [/COLOR] [COLOR=#555555][COLOR=#555555]Any help would be much appreciated![/COLOR][/COLOR] [COLOR=#555555]My problem: [/COLOR] [COLOR=#555555]I want to break up a string into separate objects.[/COLOR] [COLOR=#555555]Scenario: [/COLOR] [COLOR=#555555]I am reading a txt file into my program and I want to[/COLOR] [COLOR=#555555]separate the String in to separate categories. [/COLOR] [COLOR=#555555]String line = "BATHROOM TOI …

when i run my code...this error come out [QUOTE]"data type mismatch in criteria expression"[/QUOTE] here my code: [CODE]Private Sub Text2_Change() TXT1 = "" TXT1 = "SELECT * FROM Profile WHERE sID =' " & Text2 & "'" If RS.State = 1 Then RS.Close End If RS.Open TXT1, Conn, adOpenKeyset, adLockOptimistic …

haiii Do anyone know how to convert array like this ['26','18','20'] into [26 18 20] because i have to plot graph for these value, ['26','18','20] array is not allow me to do that ,i got ['26','18','20'] from database table with data type varchar....problem is i shouldnot change the datatype .... …

[B]hi... I have a value, value=4501-E001 I am concerned about only the value before hyphen i.e., 4501 I need to check whether various values begin with 4501, followed by something, n am not concerned about "something" that follows. How can this splitting be done in python?[/B]

Hi friends, I've created program for getting the data members from the structure and pass those variable in a function dynamically. The structure will dynamically change and its members also changing.Now i need to rectify the memory leak problem in this.I declared maximum size of buffer is 30000 when i …

hi, when i run my report its asking for database login id and p/word. i have make a connection before it and everything goes well but i'm not sure why its come out with the login asking for id and p/word. HELP !!1

I am making a program for my CS class. Is there a way, in python, to set more than one value to a variable? Am I thinking about this in the wrong way? I need to make a program that asks a bank account holder for their username. If that …

Here's my main [code=c++] int main () { int list1[3] = {5,5,6}; int num = 3; int result; int *arr = list1; int maxVar; int *maxVarHolder; maxVarHolder = &maxVar; result = sumarr(*arr, num, *maxVarHolder); return 0; } [/code] Here's the function header: [code=c++] int sumarr (int *arr, int size, int …

I need to verify that the number the user inputed is between 1908 and 2012. here are the actual instructions "The constructor must also verify that the value provided for "year" is at least 1908 and at most 2012 – if not, set the year to 2010 by default" I …

Okay so I am a newer programmer and have no clue how to use the language fortran77. All I know is I have the source code for the old game Adventure. Here is where I downloaded it from [URL="http://jerz.setonhill.edu/if/crowther/"]Where I Downloaded Files[/URL] I have no clue how to use this …

Hello, I need help on the NFLTeam program that uses an array on the number of players and their names. I've been doing an NFLTeam program where it prints the wins and losses of both falcons and steelers as well as printing out the number of players in those teams …

I'm trying to compile some code in Visual C# Express. Would someone please have a gander and help me out by giving me a brife explanation of why I'm getting an error "oleDbDataAdapter is not in the current context"? From my understanding (which must be wrong) oleDbDataAdapter is part of …

Hi, I want to start preparing for an IT Olympiad for next year for a chance to get a full bursary for college. We can choose between Java, Python, C and C++. Of the lot I'm most comfortable with Python seeing that I at least have a bit of experience …

[B]Intent:[/B] I'm trying to create a simple GUI application (VB Desktop) that will allow me to modify an XML file's nodes which contains the program settings and table definitions for an application. The GUI application's datagridview contains three columns: colA, colB, colC. ColA should be the direct value from an …

I have this code. pthread_create does not through an error message, however it does not execute it's argument function. See comments in code for better description [code=c] void * moveFiles (void * arg); int main (int argc, char **argv) { pthread_t * tid; int rc = 0; /*variables count and …

I have created class menu and class number. I would like that my functions in class do sum, subtract, multiply, and divide. I've done sum, but I have problems with other functions. When I do difference, it is actually sum my numbers, and result of multiplication and division is 0 …

So here's the problem- My app has an image in it in a picture box. I need the end user to be able to change it. So the code I added below should do that. However, I get the "A generic error occurred in GDI+. while saving" I understand it …

Consider those two function. When I load file, everything is fine, but then, when I want to save changes, the file is still being locked. Where is the catch? [CODE=C#] public static string Load(string loadPath = null) { string output; string file = loadPath == null ? _defaultFile : (_defaultFile …

Hello, I am trying to read through a UNIX directory in C and write all the filenames to an array. However, the array is not being populated with any value. Here is a snippet of relevant code: [code=c] char **files = {NULL}; struct stat fileinfo; int count = 0; int …

I'm making a program to add/sub/mult numbers from bin/oct/dec/hex format and output in whatever base the user asks, run syntax: [CODE]./instruction <num1> <num2> <base1> <base2> <output base>[/CODE] and, besides the stupid implicit declaration warnings I get for some unknown reason (I'd love to know why), when I run this (I'm …

Hi there, im new to the site and am hoping someone out there can help me with my question, im pretty newbie in the world of c++ and programming in general. Im making a program with a menu, you can choose between entering a number yourself to be tested as …

Yes, it's yet another thread about implementing three basic operations (addition, subtraction and multiplication) on abnormally large numbers (> 100 digits). I've stored each digit inside an array of [icode]int[/icode]s, as the following piece of code illustrates [code=C] while((ch = getchar()) != EOL) a[len_a++] = ch - CHR; [/code] Now, …

Hello, I have written a C# console application that currently takes a data file as input, processes the data and writes out 2 new data files. I would like for it to be able to process ALL the files in a given directory. How might I do this? Thanks!

Hello everyone! I have a form with a datagridview and another form with textboxes. First I load the form with datagridview. This one has a button which open the form with textboxes to be fill. If all textboxes are filled and I clik a button of this form, I want …

This is just for fun and to see how people do it, it will help me to learn different techniques also. If no one answers i will understand. :) Lets say you have a template class. You want a certain method of this class will have some sort of checking …

For some reason when i run this link statement I get this error not sure why am I getting it but it doesn't make any sense. I am not even doing a conversion. the field I am counting is a string field but the alias is a variable. Conversion failed …

I have a file named test.txt I get the file [CODE]file=open("test.txt","r") obj=file.read() file.close() print obj a=a b=b c=c d=e e=d e=f f=e f=g g=h[/CODE] All I want to do with this obj is that, I've to create a regular expression such that, 1.If the left number matches the right number, …

Hello. I have an app (JDesktop) and it has the JMenu and some JMenuItems. One will build an JTabbedPane with a dozen or so tabs. I start that one and it works good. Another MenuItem builds another Internal Frame with JtabbedPanels it works too. When I go back to the …

is it possible to use the variable list from a function? here is an example? is it possible to call alist with its last used content? [CODE] def example(a): alist=[] alist.append(a) print alist example(1) print alist [/CODE] thanks

Using Visual basic 2008 is the following possible if so how? Min Pts..............Max Points...........Grade 0.....................299..................F 300...................349..................D 350...................399..................C 400...................449..................B 450...................500..................A using two one dimensional arrays (min pts as int and Grade as string) in parallel, can the range of 0 to 299 return F, 300 to 349 return D ...etc?

Hi, Trying to learn STL. I tried implementing the dynamic array with the STL. I wrote the following code and tried with int array works fine, but when i try with string array input, i get the error..can you please help me, [CODE]#include <iostream> #include <vector> using namespace std; template …

hi,i was a beginner in java i have a doubt. we use import to use the predefined classes. we can also use package for importing classes. import java.lang.*; package java.lang.*; [B] what is the difference between imports and package at what time we have to use differently.[/B] plese try to …

Hi everybody, I'm doing a simple client server communication system. The client have to send in a TCP socket a couple of strings and the server receive them, then have to search in a buffer if a category is similar to even just one of the strings sent by the …

Hi guys, I'm new at C++ and I'm learning the basics on binary files This is what I've done: 1.- I created a class Criminal with basic data (age, crime type, criminal name) [CODE] class Criminal { private: int vnSerie; char vNombre[ 36 ]; char vtCrimen[ 20 ]; int vEdad; …

Hi I'm new to Java and I was dealing with the creation of packages. Suppose I have the following two source files which I want to put in one package called [B]mypackage[/B]. The two source files are in the (Linux) directory: [B][I]/home/user/workspace/mypackage[/I][/B]. [CODE] package mypackage; public class HelloWorld { public …

Create an array of Strings, each containing one of the top 10 reasons that users like in programming with Java as listed below. Prompt a user to enter a number from 1 to 10, convert the number to an integer, and then use the integer to display one of the …

Hi guys! Could someone please show me how to declare scope for variables outside their class? Here's what i have in a class known Create_User: [CODE]Public Class Create_User Public conn As New SqlConnection(My.Settings.HotelConnectionString) Public usercmd As SqlCommand Public userstring As String Public userdat As SqlDataAdapter ............ End Sub [/CODE] How …

Hi! My purpose is to fill the JComboBox from the database. The code shown below is working - it fills the JComboBox. However, the problem is that when I click on JComboBox to select some item, the error occurs. As I understand, String is casted to Object, and this is …

Hello, I am working on aprogram to convert string to hex ..... its working 100% it takes file name as input read it line by line , convert each line to hex character by character, and write it to file. the problem is when the string look like this : …

So my assignment is to create a function in Java that takes out duplicate characters from the string. The catch is that it need to be done [B]recursively[/B] (no loops) and it must start like this with one parameter where the string is passed in. Please help guys I've been …