Software Development Forum

Hi guys, I have a problem using GridBagLayout. I will paste my code here. You can run it. Sorry for the length :) I tried to comment it as much as possible. So there are three panels in this GUI. One left, one right, one south. The problem is only …

Hi all, I've spent the last week trying to sort this out, and the more I delve into it, the more confused I'm getting. I've done some background research (searched on google and here for sort function issues) and really I can't make head or tail of what's going on. …

Hey guys, Im making an uno card game and I think so far so good, however once I compile it, my program doesnt read any errors, but a box pops up stating "vector subscript out of range" and it is confusing me a lot. I think I can identify where …

I'm trying to a open a connection to a local database and no matter what I try it just won't work (I'm pretty new to SQL Server and VB for that matter) I tried using 'sqlconnection' with different connection strings but none of them worked or gave me any useful …

My program keeps crashing and I can't see why...pretty sure its something to do with creating matrix B since when I remove the commands to create matrix B it runs ok. Can anyone see what is wrong? Thanks in advance! I have the header file: [code=php] // matrixlib.h - A …

I recently bought a nice shiney new laptop with widescreen 1080p. The problem is now when I compile the application and it is run on a non-widescreen monitor it displays incorrectly. In particular the controls that are anchored to the right and bottom are displayed too far off to the …

Hi, I would like to read data from an .asc file with a six-line file header. I just want the data without the header. I'd like to start at the 7th line and go until the end collecting the data into a single list. Each different data file I'm looping …

I have been working on converting this C/C++ Program as an assignment for my x86 assembly class, and for the love of anything good I can't figure out what is wrong. It doesn't have a problem when assembling or linking, but when I run it, it gives me: CS:0576 IP: …

This is a program that is meant to be a dice game with the computer, and this is what I have so far. I'm trying to make sure that I'm doing it right but I can't compile it to check because of a syntax error near the end of the …

Hello, im trying to use a function inside another function and getting an error: The function: [CODE]# Function that recieves number of characters and calculate cost of advertising def costAd(numChar): if numChar >= 15: cost = 35.00 else: cost = 35.00 + ((numChar - 15) * 3.55) return cost costAd()[/CODE] …

Sorry guys, I know it is not C++ specific, but Wikipedia confused me. I have devoted a little time to look at programing tools and little on their innner workings. This term have boggled my mind. So any explanation on what this animal is? Thanks

Hi, What I'm trying to do is to write a script which would open an application only in process list. Meaning it would be "hidden". I don't even know if its possible in python. If not, there has to be a function would allow for a program to be opened …

Hey, I'm a student with rudimentry knoledge of VB6 and I've a college project where I have to develop a blackjack game. Unfortuanately I've a problem with the method I call the cards I was wondering if any of you would be able to shed some light on the problem. …

I have a text file that contains Road Name types paired with their abbreviated form. For example: ... Avenue,Av Road,Rd South East,SE Terrace,Tce ... How do I a create a dictionary variable from this CSV file in python 2.5.1 so I can get it in this form? {...'Avenue': 'Av', 'Road': …

[code] #ifndef BASE_H #define BASE_H class base { public: base(); struct baseInfo { int SlotCount[4]; }; private: protected: }; base::base() { } #endif [/code] This is my header file, but how do I access the struct and its members through an object of the base class(through main)? I cant find …

Hello everyone. Home help = homework help :) can't change it now I'm running into an error, expected initialize before "int menu()" I have been playing around with it for a bit but I have not figured out how to get rid of the error. When I think I got …

Sir, I am using 6 textboxes and three button one for insert data second for update and third for delete the data while inserting and updating the record it generate an error i.e. "Data type mismatch in criteria expression" in the backend i.e in MS Access I am using this …

I have a project set up using a JLayeredPane with a number of JLabel objects. Some are gray images, and others are images of cards. The cards are drag-able, but I'm trying to make them so they can only be dropped onto the blank spots, if its not one of …

I think I'm semi-close to a solution, but it's just not happening for me. I'm having trouble populating my dynamically allocated multidimensional array with data from a text file. Here's what I have: [CODE]#include <stdio.h> #include <stdlib.h> #define MAXLINELEN 18 FILE *getOpen(); int main() { FILE *inFile; // Declares inFile …

The code below compiles, runs, and gives correct results. Note, however, the commented out "Experiment" code. I want to be able to call a function which accepts a variable number of parameters, which then calls another function and passes it those parameters. How can I fix the commented-code so that …

//help me i dont know what wrong with list function [code] #include <stdio.h> #define MAX 10 struct book{ char title[81]; char author[71]; char category[31]; }; int main() { struct book library[MAX]; int menu(void); struct book add(void); int list(struct book,int); int choice, count = 0; do { choice = menu(); switch( …

Okay I've been working with printf for a while on C and I have been trying to use some of the backslash commands such as: \b = backspace \r = moves the cursor to the beginning of the line For some reason they don't seem to work on xCode. 1. …

Recently I've been looking into BSTRs, and have found how 'touchy' they can be. I saw this in a COM class in the class destructor regarding a m_strBStr member... [CODE] if(m_strBStr) SysFreeString(m_strBStr); [/CODE] When I saw it I thought, "How would the BSTR have a zero assigned to it?", because …

Hello i am watching some tutorials on [URL="http://www.3dbuzz.com/vbforum/sv_showvideo.php?v=27"]3d Buzz[/URL] and intro to C++ starts by saying that [CODE] #include <iostream> main () { std::cout << "hello world!" << std::endl ; } [/CODE] should show a CMD like window saying Hello World! On the video they try it and it works …

[CODE]#include<iostream> using namespace std; class point{ private: double x,y; public: double getX(); double getY(); void set(double c, double d); }; class polygon{ private: string color; public: void setc(string color1){ color = color1; } void print(){ cout<<color; } string getColor(){ return color; } }; class triangle: public polygon{ private: point v1,v2,v3; …

I'm trying to make a button to open a new form in a Win32 Forms App. Lets say the form I'm opening is called Form2 and the button is called button1. Any help will be greatly appreciated.

[code] import javax.swing.JFrame; public class Demographics { public static void main(String[] args) { JFrame frame= new JFrame("Survey"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.getContentPane().add(new DemographicsPanel()); frame.pack(); frame.setVisible(true); } } [/code] [code] import java.awt.*; import javax.swing.*; public class DemographicsPanel extends JPanel { public DemographicsPanel() { this.setLayout (new BorderLayout()); //Panel 1 (North) JPanel panel1 = new JPanel(); …

Hi all, I'm busy coding up some classes now and I was wondering if there is any danger in using a variable name twice, if the variable is limited to local scope. For instance, let's say I have the following piece of code: [CODE] class Foo { void function1( double …

Hello, I am taking a VB.net class and am having trouble seeing the difference between event driven and object oriented programming. This will not help on any assignments, I have already turned it in, but I do not understand why VB6 is considered event driven and .NET is object oriented. …

I want a certain subroutine to run if the user clicks the red close button in the top corner of the form. Is there a subroutine similar to Form_Load() when the form is opened that will do this for me? Thanks in advance

I have made an insertion sort function for a doubly linked list of polynomials , i cant figure out the error , please help me with it! [CODE]void insertionSort() { node* temp=head; while(temp->next != NULL) { node* second =temp->next; if (second->exponent==temp->exponent) { temp=temp->next; } else { second->previous->next=second->next; second->next->previous=second->previous; if (head->exponent …

I'm trying to overload the << operator for a class (easy, right? :P) However, I get the linker error: undefined reference to `operator<<(std::ostream&, particle const&)' Which my understanding means the compiler can't find the implementation for operator<<. I'm not sure whats going on here, since I've already implemented the function. …

Ok, I am trying to to make a double-click action when you click on a cell or row, within a dataGridView. The end goal is to have the single click select the whole row so that when you double-click any cell in the row it will load that row into …

Hello Everybody, For a sorting project I'm working on, I have a string array, with 50 values. I need to convert each string in the array to a two dimensional char array. For example, Let's say there is a string array[50]. Each position in the array has a name in …

Hi all , i recently has read about some posts related to the above title , but i'm really confused about it,sadly :( What is the real difference between programming and software engineering? Which one should i go for ? If i took software engineering , could i be a …

i made a jtable in java with 2 columns when i select some rows and click a button it should get the selected rows but this array comes back empty here are some sniplets [CODE] JScrollPane scroller = new JScrollPane(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED); scroller.setBorder(null); this.add(scroller,BorderLayout.CENTER); customers = new JTable(); scroller.setViewportView(customers); customers.setAutoCreateRowSorter(true); customers.setModel(new …

What method / methods should be be used in order to get the frame to start up in a central position of the screen, and could you also provide the code please. I'm using wxPython. thanks

Hello I need ideas of how to create my project. I am supposed to create a map and shows description of each cities. So i have put buttons on each cities on the map and when the user clicks on a certain city he/she should see the description of it …

Hi..I basically new wit java. i have a program called Transfer.java..n when i press button caleed "start Transfer" it executes FileServer.java [CODE] import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.io.*; import java.util.Random; import java.util.*; import java.text.*; import java.rmi.*; class transfer extends JFrame implements ActionListener, Runnable { JButton btntrans,btnexit; ImageIcon bc; …

I saw there is some code in C# where it can do copy and paste and also does the automation typing in a textbox or file.. (not using fieldname.text = "value" ) it seems using some system.window.input. you guys got the link or resources? your kindness is very much appreciated! …

Hello everybody! I've wrote a very simple echo server, based on a book about LInux socket programming example and it works just fine. My only problem is that i want to use select() function to handle several connections at one time. I've read lots of reference concerning that function and …

Hello frnds, I am suffering with a problem. Please help me. The problem is when i am displaying a list of items or say component in to view then the list got weird or we can say jumbled(one item above another) comes for a short moment(less than 1 sec). i …

[CODE] RichTextBox1.SelectionStart = RichTextBox1.Find("Not Found") RichTextBox1.SelectionColor = Color.Red[/CODE] that is my code.. my problem is in my richtextbox1, there are many line that contain "Not Found". So how can i change colour for all of that text to red colour? my code only work only with a single line that …

Hello I would like to read a file and display certain lines ( like from line 5 to 10) in a label. i know how to read the file line by line but not the specified line i want. Thanks in advance

Hey everyone, I have a kind of large problem. I am trying to input something in C, a number between 0 and 50,000, using scanf(). I understand how scanf generally works, and it does for the most part, but for some reason if the number I enter is greater than …

Please help me. I know this kind a simple problem. My problem is when i select the end day of the month it gives me a negative days in txtdays. This is my code to txtdays [CODE] txtDays.Text = dtpEnd.Value.Day - dtpStart.Value.Day [/CODE] This is my code to add date …

Hello, First of all, excuse my English =) Warning: wall of text\code. I must say I have some experience in Java and long forgotten C++, so right now I have some problems implementing the Huffman coding. The algorithm goes like this: I create an array of 255 elements to represent …

Maby ive been going about this the wrong way. Im attempting to change the system volume using VB.net. I dont want to use the mediaplayer stuff because i dont want that to be open the whole time. if someone could point me to a working API or something for changing …

Hey I usually use RTTI to access object when reading or writing them to a dataset so i have prior knowledge of what the field required Example [CODE] if vPropInfo^.Kind = tkFloat then begin if vField.DataType = ftDateTime then vField.AsDateTime := FloatToDateTime(GetFloatProp (thisObject, vPropInfo)); else vField.AsFloat := GetFloatProp (thisObject, vPropInfo)); …

Hey everyone, first time one here and i thought i would show my most recent university java assignment. I'm just looking for feedback... wanna see if i am developing good habits or bad. the assignment is completed and marked by my uni so i am not looking for help.. they …