Software Development Forum

Hi everybody o/. I'm studing Linked List in C. I made two functions: add ( add data on the list) and destroy (destroy the list). For now, it's just this two functions that i need, but the function destroy doesn't works well. When I call the function destroy only the …

Hi all. Is there a command in C that can delete a string contained in a longer string and then replace the deleted string with another? Big thanks to those who can help me with this.

Hi All, I'm using SOAP::Lite to do some online payments. The whole mechanism is set on separate machine which is communicating with payment gateway. So WWW machine sends a message to invoke SOAP::Lite and SOAP message is sent to payment gateway. In development I had both "machines" running on one …

[code]import javax.swing.*; import java.awt.*; import java.awt.event.*; class CelsiusTemperature extends JFrame implements ActionListener{ private double readingInCelsius; private JButton button; private JTextField field; private JTextArea area; private JLabel label; public CelsiusTemperature(){ setSize(500,200); setLocation(250,150); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); label = new JLabel("Celsius"); field = new JTextField(20); button = new JButton("Convert"); area = new JTextArea(10,20); Container container; …

Hi! Can anyone please point me to any good C# book or tutorial, which includes a step-by-step guide to building an example Windows Database program?? Thanks for any help!

Hello, I have two DataGridViews in one window. The first one displays 2 columns, itemNo and task. When I click on a row in this grid, I want to populate the second grid with corresponding material. It is organized so that the itemNo in grid1 is 1, 2, 3, and …

I've been looking for an exercise book for Python, a book that we get some stuff to code, like ideas, and etc. I have already finished the "Invent your own computer games with Python". Is there any other book? Thanks in advance.

K I just got this Idea that I want to implement into a program I downloaded. Yes the program is open source but I dont wanna compile it, I just want to sort of Inject?.. What I want to do is add a button to the program and have the …

I just learned about Recursive functions and they seem very confusing to me, and hard to trace the logic, sometimes i end up staring at it pretty much time to understand the logic, so i can write it. So, i was wondering if there are some simplified steps i could …

Im learning about postfix and prefix operators and how to overload them. I've created my class with overloaded pre and post fix operators how ever when used in the main program the results aren't what I expected. The program creates a simple shape from a class that has default constructor, …

i have this list, about some company payment , in the list, some company pays two times in a particular day. i need to write a perl program to add up the company's total payment for that particular day such as eid date amount 00101 2009-12-21 3009 00101 2009-12-21 165 …

Does anyone know of or have a website where you can upload your applets and other people can play them? (like kongregate for flash games) and maybe even make some money every time someone plays your game? If you're wondering why, I need money for school. 0.o

Hi, i wants to add key and value of enumerator into a dictionary list, what should i do? My code as below: [code] public void Display1() { Dictionary<string, double> sortList2 = new Dictionary<string, double>(); Dictionary<string, double> sortList3 = new Dictionary<string, double>(); foreach (string sortComb in listbox1.Items) { if (!(sortList2.ContainsKey(sortComb))) { …

Hello! I'm trying to modify opensourced application but due to lack of knowledge, I'm stuck. Explantions are in the comments of the app :-) Thanks in adavance for your support! [CODE]void CBaseGame :: FixSlots( ) { struct Struct1{ list<string> UserList; list<CGameSlot> PlayerSlots; }; list<string>::iterator IT; list<CGameSlot>::iterator TI; for( vector<CGamePlayer *> …

hi.. i need help in comparing value from the same table for my final project. example : table 1 : SubjectCode Classes Sub A class 1 Sub A class 2 Sub A class 3 Sub B class 2 Sub B class 3 Sub B class 4 Sub B class 5 …

I made my own program for N-queen problem (A popular algorithm in Data Structures). Check this code and post your suggestions. If you have any ideas for the improvement of algorithm speed, please post here. Thanks. [CODE] #include <stdio.h> #include <stdlib.h> //N-Queen Chess problem solving Algorithm// //Note:- Uncomment The printf("") …

I tried to figure out the Queue with moveup and movedown (like swap). But I will make the consoleApplication but i can't make the window forms application. I want to know about it. If I will make thread safe too. Thanks.

Can someone help me with these codes. I'm trying to validate the date(e.g if the users entered February 31, which is not an existing date, the program should give an exception output). Aside from this, we are required to do our own exception. Thank you! [CODE]class MyDateException extends Exception {} …

i, Here is the scenario I'm dealing with: My company has a bunch of old servers and workstations that have data on them that I need to copy to a "drobo" (multi-storage device) and eventually send the storage unit to someone else. I have a list of "contract numbers" that …

Hey guys, I got my application working fine but it's using a constant 50%-ish of my CPU power, which is way too much I believe. Can any of you figure out what's causing this, or tell me how I can find out myself? :) What we're doing is reading a …

Hi y'all. I'm looking for feedback and discussion on the use of annotations to eliminate the boilerplate code for linking buttons and methods. Hopefully this will be especially useful in RAD or rapid prototyping environments. Over the weekend I hacked together a little proof of concept that supports two ways …

Hi all, I have a programming assignment to store sparse matrices using a list<list <myclass> >. I have pretty much everything nailed down but I'm going wrong at some point, the output is incorrect. Instead of giving me 4 lines with the column position and value of non zero values …

Hi, I use a command with awk in bash shell so as to extract info from a file. [CODE]awk -F'[=,: ]' '{print /uid=/?$4:(/^telephoneN/)?$2:$3}' 1.txt[/CODE] the output is something like aaaa bbbb cccc dddd eeee ffff gggg tttt I would like to write this output in a file 2.xml [CODE]<xml> <name>aaaa</name> …

[CODE]#include <stdlib.h> #include <iostream> #include <cstring> #include <string> /* Include directly the different headers from cppconn/ and mysql_driver.h + mysql_util.h (and mysql_connection.h). This will reduce your build time! */ #include "mysql_connection.h" #include <cppconn/driver.h> #include <cppconn/exception.h> #include <cppconn/resultset.h> #include <cppconn/statement.h> using namespace std; int main(void) { sql::Driver *driver; sql::Connection *con; sql::Statement …

Well just run, the only thing is that this is created using python 3.x. no modules required.

Is python 3.2 stable yet, because i use portable python v1.1py3.0.1, so far I'm making improvement, but I have problems loading modules, how do I go about it.

Please i just downloaded the latest version of pygame, but I've been finding it difficult to install, okay when i unpacked it, everything came up, but i don't know which should go to which. Python experts in the house what do i do.

Hello - I am using Visual Studio .net 2008. I have a form that has a tabpage control in it with 5 pages. I need to add another page, but in position 2, not at the end. Is this possible? I do not see any settings for the position of …

I've found that often in my code I have a need for primitive variables protected with synchronization objects such as a boost::mutex, and I was wondering if the boost library provides a template similar to this one I'm considering, based on the C# property methods get/set: [code] template<typename var_type> class …

I have a program,but there is an error, please help me, thanks program to include six string data (name of city), then do the sorting of the six cities data and print data before and after sorting. but in terms of input data strings, there is an error, please help, …

i have the following code that isn't working correct [CODE] Dim con As New SqlConnection Dim cmd As New SqlCommand Try con.ConnectionString = "Data Source=" & ServerV & ";Initial Catalog=" & databaseV & ";Persist Security Info=True;User ID=" & usernameV & ";Password=" & passwordV & "" con.Open() cmd.Connection = con cmd.CommandText …

hello, I am building an application where I have two integers and I have to add them or multiply. I have to use a function to add/multiply this two numbers and call it from the main. I have done this so far. [CODE] int main() { int user_choice; int num1; …

[CODE]hey i am designing a Registration Page. In that i am having 3 comboboxes, one for country,one for state & last one for city. I am able to display all countries, states & cities entries from database. Here is my code. SqlDataAdapter da = new SqlDataAdapter("select * from Country","Data Source=.;Initial …

Hello everyone. I am having hard times in dealing with this problem which I've been given. It simply asks me to shift an array K positions without using additional memory. I cannot ask them what they mean by that. No memory, like... not even using a temporary variable for the …

Hi, I am in process of creating a Money class, as per requirement I am suppose to represent each denomination by a class(eg: $5Class, $10Class etc.). I want to use inheritance in this scenario. I cannot think of the class design. I was able to create a class design for …

Hello. I've got a homework assignment involving reading an unspecified number of numbers from a data file, storing it into a dynamically allocated array and doing various sorts and such(the output is basically a list of grades on some test that I do stuff like sort, average, give an accurate …

Dear All, I just found out something weird. When I create a new data, key-ing in all details and for date as well. So when I click on the button Edit, Yes I can perform the edit function, I can edit everything. Then, once I click on Save, yes it …

problem in importing javax.mail.internet; can any one please help

Hi There I just wanna find out how I can save some data to a text file or access database (doesn't matter - the one that's the quickest). What my form does is it has a list box with ID's in it. I can select them. Then I have a …

I need help in pulling this program apart, and reformatting it to use functions that I didn't know i needed to implement until right now. * float calculate_time (4 parameters) finds the amount of hours between two times given. It should return 0 if the amount is less than 0. …

on each form is the "X" at the top right of Form. how ya how to disable or remove "x" is it?

Dear friends: I wrote the following c++ codes to create a series of filenames as "iteration number.dat". [CODE]#include <iostream> #include<string> #include<sstream> using namespace std; int main() { string outbuffer; ostringstream outs(outbuffer); for (int i=0;i<5;i++) { outs<<i<<".dat"; cout<<outs.str()<<endl; } cout<<outbuffer; return 0; } [/CODE] I tried to use the ostringstream to …

Hey Just thought I might post some code I've Been refining its not really useful but it shows (sort of) how to print formatted text if you have any suggestions please I've almost got the kinks out weird numbers will cause it to output weird. But if you throw 9 …

What wrong with my coding? when i run..nothing appear.. The output should be: Perimeter of Rectangle 1: 22 Perimeter of Rectangle 2: 6 Perimeter of Rectangle 3: 18 Perimeter of Rectangle 4: 4 [CODE]#include<iostream> using namespace std; const int TOTAL= 4; void CalculatePerimeter(int perimeter[], int width[], int height[]); //const int …

Hello Everybody, I have a small confusion with regards to pointers. Here is some code [CODE] int main() { int *p1 = (int*)malloc(sizeof(int)); *p1 = 10; printf("The number is %d",*(char*)p1); }[/CODE] I run the code and the O/p is 10. My question is, is there no difference in using char …

I'm trying to create a vertical histogram using only built-in modules. I understand the current histogram function isn't truly a histogram (and the code is probably very ugly), but I'm totally lost on how to create a vertical histogram. [CODE]import itertools def histogram(s): print("Histogram:") print("%s %7s %12s" % ( "No.", …

The result of this below only print out John 90 Shawn 100 Melalin 75 Jane 80 What i want is Melalin 75 Jane 80 John 90 Shawn 100 I tried all methods but still can't think of how to make it arrange from the lowest score to the highest. Can …

Hi, i wants to store the key and value of an enumerator to a dictionary, but i have no idea about how to convert enumerator.value to type of double : [code] public void Display1() { listbox.Items.Clear(); Dictionary<string, double> sortList2 = new Dictionary<string, double>(); Dictionary<string, double> sortList3 = new Dictionary<string, double>(); …

Hello, im currently using this kind of Hotkey : [CODE] if(GetAsyncKeyState(VK_F1)) { if (this->checkBox1->Checked == false) { this->checkBox1->Checked = true; } else { this->checkBox1->Checked = false; } }[/CODE] But its not very good. I couldn't find a better way to do this :/ (im using Visual Studio 2008) Anybody knows …

hi guys i need to save an image that will be displayed on a vb.net form. how do i get round this: 1. how do i get the image before saving it in the database? 2. how do i save the image in the database? 3. how do i fetch …