Software Development Forum

i am using database with table RESUME and column PageIndex in it which type is number in database but when i want to store this PageIndex value to an integer i get exception error **Specified cast is not valid.** here is the code [CODE] string sql; string conString = "Provider=Microsoft.ACE.OLEDB.12.0; …

Hello, I am making a program, where cycles of a process are running and i have to save a report every 10th cycle. The report should get saved automatically, without human interference and should be saved in a non-editable format (say PDF, JPG etc). I have tried a couple of …

I have a USB device and a C# application communicating with it. Presently I am using a connect button to connect with the device from my application. This is a HID device and on Connect I will register for change notifications and from then onwards my application can display 'DEVICE …

Hey Guys, I'm creating an application that will require specific privileges. Users will eventually be add/removed from this group; I was wondering if there's a way I can tie in an Active Directory group to the software? Something that would let me say "if you're part of this group you …

hi, I'm having a bit of a problem. I"m simply trying to read active directory now with system.directoryservices. I have a LDAP path i think its called and i get the children and for each child i for each through and so on for like 5 for each loops. OK …

Hello, My ouput is showing as... "1 2 3 (10)(23)(29)" when it should be... "1(10) 2(23) 3(29)" I don't think I am too far off. Here's the code and thanks in advance. // int[] Groups = {10, 23, 29}; in the constructor public String toString() { String tempStringB = ""; …

Hey everyone! I've been trying to set up a more fool proof time trial thing for my windows application rather than checking the users computer for the time (that can easily be altered). I'm not that experienced with more advanced coding, and I just can't find any code that can …

I'm looking for a good introductory book for 2D OpenGL Game Programming. The only books on OpenGL I've seen were on 3D. Does anyone know of a good 2D OpenGL Book? Thanks in advance, EpicAsian

Hello, I'm not too experienced with C++ (I know C# pretty well), and I can't figure this out. I've got two files, Form1.h and Utility.h. Form1.h is initialized when the program starts, and when the user clicks a button, it should call some functions in Utility.h. Now the problem I …

Hello. A while back I wrote a program called 'divvy' ([URL="http://www.cerberusgate.com/divvy.zip"]http://www.cerberusgate.com/divvy.zip[/URL]) in C++. It works fine on my system, but I have received several complaints that it does not work on other systems. This is the error: [QUOTE]Error: The Side-by-Side configuration information for "C:\DIVVY.EXE" contains errors. This application has failed …

First how do you use Dynamic and Static Memory Allocation? and why is supposed to be so popular in use?

So, in the course of a bigger project, I need to generate normally distributed random numbers. I've decided to try to use the GSL rng library. From [URL="http://www.gnu.org/software/gsl/manual/html_node/Random-Number-Generator-Examples.html"] the gsl webpage[/URL] I got an example code, just to get an idea of how the interface works. The program looks like: …

Hi everybody, i want to compare between 2 vector that stored char value. I've made 2 vector: [code] vector <char*> className; vector <vector<char*> > Item; [/code] first i stored the class data in each vector, the name of class in vector className. after that i get data from the other …

Is it possible to have a client/server service that doesn't use sockets?

Hi i m new to java, i want to make a simple application with netbeans ,(To Learn) i want to learn how to get data from a data base(mysql database) and display to textBoxes, and also want to learn how insert delete update database, Are there any tutorials or ebooks.plz …

pls i need the different betwwen Vb.net and PHP looking in the are i listed Area Visual Basic .Net PHP (1)Variable definitions (2)Loops (3)Conditions (4)File handling

Hi, I am confused in making circular linked list. This is what I have. CircularLinkedList.h [CODE]#ifndef CircularLinkedList_H #define CircularLinkedList_H class CircularLinkedList { public: void remove(); void set_number_people(int); void print(); }; #endif[/CODE] CircularLinkedList.cpp [CODE]#include "CircularLinkedList.h" #include "Node.h" #include <stdio.h> void CircularLinkedList::set_number_people(int num_people) //This is where I am confused { Node *head …

I have to write a program that creates a GUI and asks the user to select from a group of buttons which time of the day they made the call, and input in a text field how many minutes the call was. for the day time, it's supposed to be …

I have a code which throws "segmentation fault" after some computation. I was looking for some help with efficient memory management. My program does the following: I have a grid with min. i,j,k coordinates -52, -34, -35 and max. i,j,k coordinates 53, 37, 33. (In i, j, k loop). I …

I'm trying to make a html editor. I need to set different colors for different words... I managed to the change text's background color, but not it's foreground. Can some one help me? this is my code [code=java] public class HEditorView extends FrameView { public HEditorView(SingleFrameApplication app) { super(app); initComponents(); …

Hi I'm using python 3.1 and Windows. My program writes xml code to a text file, the problem is that windows needs to know that this file's encoding is utf-8. Right now it does write the proper code, but other programs (firefox, for instance) fail to read it because it …

There is an error , it is cannot find Symbol [CODE] import java.sql.*; public class Main { public static void main(String[] args) { try { Class.forName("com.mysql.jdbc.Driver"); String connectionUrl = "jdbc:mysql://localhost/mytestdb?" + "user=root&password=PHP"; Connection con = DriverManager.getConnection(connectionUrl); } catch (SQLException e) { System.out.println("SQL Exception: "+ e.toString()); } catch (ClassNotFoundException cE) { …

Hello, I am making a file comparing program, and I want it to display line numbers permanently, like any normal text editor does. Is it possible to do this with tkinter? thanks

Answered my own question. Wish I could figure out how to delete this post.

I am having problem in using a virtual function across several files. I have this code: myPlugin.h [CODE] #include "myprojPluginInterface.h" #include "myproj_export.h" class MYPROJ_EXPORT myProjPlugin : public myprojPluginInterface { public: virtual ~myProjPlugin(); virtual myProjPlugin * newInstance() const = 0; virtual int speed() const; virtual int direction() const; protected: PositionProviderPlugin(); }; …

this is my simple application , i try to updata ,but it is not working, in this example it shows only first reocrd and, try to update first record(i want to know the method of updating, so i can updates other records too) data base has only two fields id,name …

Hello im having problems with my code. i wanted to make a program that would let me enter anything and then place each one of them inside the array. [CODE]import java.util.*; class charAt { public static void main(String[]args) { Scanner input=new Scanner(System.in); String[]sample=new String[52]; String enter; int x; System.out.println("Enter something"); …

i am having problems in reading the contents of my .dat file. the contents of my .dat file are the following: 10.20 60.20 70.20 25.25 1.1 2.2 3.3 4.4 my expected output should look like this: --------- --------- --------- --------- 10.20 60.20 70.20 25.25 1.10 2.20 3.30 4.40 but when …

java class files are not loaded into memory till the time they are referenced. If this is true, then the use of import statement is just to save a bit of typing. Is it the case ?

Hi i am looking to use a totally custom built UI with a piece of software i am writing in delphi. i have ofc seen this done many times in programs like itunes and windows media player etc, where the standard windows aero frame is not used... i have never …

I'm trying to list a bunch of buttons vertically, but am having problems even getting that much done. I'm pretty sure I have the scroll pane working (it just isn't being used yet so I can't test it). This is part of an assignment so I'd prefer not to post …

Hey everyone, So, for my C++ course I am implementing a Binary Search Tree. In this Binary Search Tree we are to create a function to copy the values of a passed array into a Balanced Binary Search Tree that will render a correct inorder traversal. I.E. an array of …

i find this code in a forum [CODE]using System.ComponentModel; using System.Drawing; using System.Windows.Forms; static class Program { static void Main() { string pointText = "11, 19", rightToLeftText = "Inherit"; Point point = Parse<Point>(pointText); RightToLeft rtl = Parse<RightToLeft>(rightToLeftText); } static T Parse<T>(string text) { // might need ConvertFromString // (rather than …

I was writing a program and wanted to write a struct that's used to match an input string and print a corresponding output. However, I ran into a very unexpected problem. This code gave me the compile error below. [code] #ifndef MATCH_H #define MATCH_H #define TOTAL_WORD_PAIRS 2 typedef struct { …

Hi, I have a list of a few thousand names. I actually have last name, first name, phone number, etc and more info. I'm going to make a class to contain the data. so I'll have like a people object with for example a last name field. I'm going to …

I get this error when i write to my C drive using an ObjectOutputStream [CODE] List<String> strings = new ArrayList<String>(); strings.add("test1"); strings.add("test2"); strings.add("test3"); IO.IO.writeListToFile("C:\\Users\\coconnor\\Documents\\Java\\ToolKit\\", strings); [/CODE] [CODE] public static void writeListToFile(String location, List<?> list) { ObjectOutputStream p = null; File f = new File(location); try { p = new ObjectOutputStream(new …

Hello Guys, I am trying to read lines from .xml file using a C program. Basically what program does is read the date, and if the current system date is in the range of the date range given, it fetches some data from the next lines in the date. However,my …

Hi guys, I'm trying to read a file which contains text in arabic. The file text is aligned from right to left. But when I read it, the output is from left to right. Is there any way to align it from right to left? I'm trying to display the …

I can't seem to find the correct way to add an alias in a select statement. Is there a way to do this using an embedded Apache derby database? The usual way will not work. ex: [icode] SELECT uid AS User,fName AS First,lName AS Last FROM table[/icode]

In my desktop application am using following .net functions [CODE][COLOR="Green"]GC.Collect(); GC.WaitForPendingFinalizers();[/COLOR][/CODE] [COLOR="Red"]I just want to know that, is there possibility that WaitForPendingFinalizers() will wait for indifinite time ? If so ,what is the way to get out of it so that my application can proceed further.[/COLOR][QUOTE][/QUOTE]

Hello: I have created a Desktop that interacts with a embedded db. I also have crated a flash program that opens and runs itself in any web browser. My inquiring is to find out if I can create a button to launch this flash program from my Java app? Also …

[CODE]import sqlite3 def find_details(id2find): db = sqlite3.connect("surfersDB.sdb") # grap surfer data from database db.row_factory = sqlite3.Row cursor = db.cursor() cursor.execute("select * from surfers") rows = cursor.fetchall()[/CODE] In the code snippet above from "Head First Programming", the syntax for the database code is poorly explained. Is row_factory a call, method, or …

Hi. I make a new array, p: [CODE]p=[[x]+[0]*(y)]*z[/CODE] then if x=1, y=2 and z=3, the array is: [CODE][[1, 0, 0], [1, 0, 0], [1, 0, 0]][/CODE] But now, the problem steps in. If I now say that p[0][0]=2, then the array is: [CODE][[2, 0, 0], [2, 0, 0], [2, 0, …

Hi, I have an XML: [CODE] <A> <B> <C>a</C> </B> <B> <C>b</C> </B> <B> <C>c</C> </B> </A> [/CODE] and I need the output as [CODE] <X name="a"> <Y name="b"> <Z name ="c"/> </Y> </X> [/CODE] i don't know how to write the XSL for it, tried few things but couldn't …

[COLOR="Green"]Table Name => PropDocument Column1 => propertyid ( foreign key from Property table ) Column2 => documentid ( foreign key from Document table ) The error ( in the attached image ) comes when I try to delete the record. This error comes often when there are 2 records with …

Hey i have so far set up a form to save data into a database and i am using: [code] con.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0.;" & _ "Data Source = F:\Database1.mdb" con.Open() [/code] I tried saving the database as i did with images in the resource folder and used my.resources but this …

Hello, I have to make a very basic paintlike program for school, and I've ran into a problem I have no clue how to solve. I hope one of you friendly forum-goers can help me out. Here's the problem: I have a class called Figuur (shape in Dutch) and * …

Hi, i have a access database with two tables, one for customer and one for booking. I then have a form application i made in VS 2008 which lets a user enter details such as their name phone number ect into text boxes. All of the information the person enters …

When I run my code, I get "Run-Time Check Failure #2 - Stack around the variable 'string' was corrupted." I have looked everywhere in my code for a source of this error, and I can't find one, I've also looked where a buffer overrun could occur. The variable string is …

My project is simple desktop application. I want to transfer(upload) a file from my desktop to the another machine which is server of my machine.(One machine to another ) There is nothing to do with web service. Can anybody send me help ? Thanks in advance.