Software Development Forum

Hi guys, I have a several dozen .ini files from which I need to extract specific lines. The lines I'm pulling are repeated all throughout the code so I can't count on specific strings to pull these lines. My dilemma is that I want lines: 3, 4, 6, 47, 50, …

hey guys, my simple program flows like this: a textbox where in you will input a keyword then when you press the 'go' button the data in the mysql database will be shown in the listview. im using mysql and vb .net. i've made the table with sample records in …

Can anyone explain me the merge sort code(using divide and conquer method and recursive call)...

Reading in a string from a file and need to preform basic math equations with it, therefor assuming it can't be in string form. I am attempting to use ATOF but am getting 0's and nan's in return...any suggestions? #include <stdio.h> #include <string.h> #include <math.h> int main() { /*Define Everything*/ …

[code] #include <iostream> using namespace std; using std::cerr; using std::cout; using std::endl; #include <sstream> #include <string> #include <fstream> using std::ifstream; #include <cstdlib> // for exit function // This program reads values from the file '1.txt' // and echoes them to the display until a negative value // is read. int …

Hello World! I'm new in the forum and I don't have too much experience with C++, I'm looking for help with my code, I hope you could help me :) I have to read from a file.txt different collumns, each of them corresponds to a parameter and store them in …

Im using vb.net 2010 express (im new) im learning to develop apps that uses db. what is the best DMBS to use with vb.net 2010? can you gave an example SIMPLE code on how to connect to the database? thank you - i hope is not too much to ask?

Hello yet again... Anyway, I'm trying to convert a string that has the form of "1097.04", that is, decimal fixed point with two digits after the decimal point. My code currently reads this number from a file then stores it in a *char. Then when i try to convert this …

Hello I am attempting to parse multiple lines of text from a text file using regexpressions. I am using vb.net with visual studio 2008. At the moment I am filling my datatable with the text file information and am able to return each line of text and parse the first …

Here is a very simple code demonstrating how 'protected' is used [CODE]# include <iostream> using namespace std; class A { protected : int a; }; class B : public A { public : void f_1() // * { a = 10; cout << a; } }; int main() { B …

Hi, I’ve 3 classes : A, B and C. The class A includes an object from the class B and another object from the class C. In my class B, I’ve a function that returns a vector of struct. This function is called in the class A and after that …

While my program loading, I have a splash screen. After the program is done loading my Splash-screen closes and the main form (form1) shows (all good up to that point). But the problem is after the Splash-screen I cannot close form 1, nor can I move it. here is what …

Hi guys, I am able to delete record from specified table when I just run the program from visual studio 2008. I am using ms access as database. My connection string is: Provider=Microsoft.Jet.OLEDB.4.0;data source=" + @Directory.GetCurrentDirectory() + "\\smsmanager.mdb;Jet OLEDB:Database Password=matmat However, after setup and deployed in Program Files folder and …

Hi, I have the following code which compiles absolutely fine.. [CODE] using namespace std; #include<iostream> #include<stdio.h> #include<conio.h> struct node { int data; struct node *link; }; void add(struct node **,int); void display(struct node*); int count(struct node *); int main(void) { struct node *p; p=NULL; add(&p,5); add(&p,1); add(&p,6); add(&p,4); add(&p,7); display(p); …

Hello everyone, I am currently working on text processing with Python and I want to parse a .txt file into its sentences as a whole. I tried to create some regular expressions but I failed to do so. I only managed to come up with a regex that splits each …

Hei, [CODE]list = [line.split() for line in open(file) if line is not None][/CODE] and output: [CODE][linux@localhost ~]$ [[], ['text'], ['text', 'text', 'text', 'text'], ['text', 'text', 'text', 'text']][/CODE] How to remove none types [] or something.

[code] #include <iostream> using namespace std; using std::cerr; using std::cout; using std::endl; #include <sstream> #include <string> #include <fstream> using std::ifstream; #include <cstdlib> int main() { ifstream indata; // indata is like cin char num; int sar,ri,sat,ha; sar=0;ri=0;sat=0;ha=0; char s[]=".txt"; for(int some_int=1;some_int<=3;some_int++){ ostringstream buffer; buffer <<some_int; string s1 =buffer.str(); s1+=s; indata.open(s1.c_str()); …

we were asked to input a number and display the sum of the odd and even integers. eg. number: 10 sum of odd: 25 sum of even: 30 [code]intnum = CInt(txtnum.Text) Dim counter% = 1 Do Until counter = intnum intcompare = counter Mod 2 If intcompare = 0 Then …

Hi, Is it possible to display the output of a C program in different font sizes by setting it in the code? If yes, please guide regarding the same. Thanks.

Hi guys, I have implemented pagination in datagridview by using example from this page [url]http://www.codeproject.com/KB/miscctrl/Pagable_DatagridView.aspx[/url]. The pagination works well. However, when I create 2 datagridview with each using different bindingsource, and I click on next for the first datagridview, the other datagridview also automatically paginate to the next one. I …

using namespace std; int main() { vector<double> row(3, 0); vector<vector<double> > table(3, row); printVectorOfVector(table); Fill in a 2 dimension 3x3 array with odd numbers. The display shows the array as it is being filled. Use random integers to fill the array. Use numbers between 1 and 10. Initialize array to …

I am quiet new to using NetBeans IDE. I have created a file menu. When the user selects an option from the menu, a window should open,or a form should be loaded. So as far as i have figured out, the event needs to be handled by a mouseClick method. …

How would I make something like a high scores function on a java applet? Like how would I record the score the person got and then access later?

So, due to my last question, [url]http://www.daniweb.com/forums/thread303487.html[/url], I am becoming acquainted with the vector template. However, I clearly am not using the commands correctly. Below is a section of code which, eventually, leads to a segmentation fault later in the program. First an introduction of the variables: [CODE] using namespace …

Hi I am creating a DLL which will often make calls to another DLL. I have gone through the procedure of getting a handle to the other DLL and this works fine for some function calls. It seems like the functions which don't modify a parameter work fine. The access …

Hello Everybody... I am very new to VB.NET coding..My manager assigned me to write a Single Program that uses OOP concepts like Abstraction,Encapsulation,Inheritence and Polymorphism.As there is a time limit plese help me in this.............Thank You all..........CintoJose.

I have a perplexing problem which may turn out have a simple solution (hopes!). I am writing a little GUI to allow a user to enter information which will get built into an XML file which is linked to flash-based graphic. One of the fields I have is a Tkinter …

I need to use log4j and I have already imported the .jar, and added the necessary code to my project. I get the following warnings when trying to run my program: log4j:WARN No appenders could be found for logger (multithreadsprocessor20.MultiThreader). log4j:WARN Please initialize the log4j system properly. log4j:WARN See [url]http://logging.apache.org/log4j/1.2/faq.html#noconfig[/url] …

Hi Guys, I am struggling on an assignment where I have to enter an odd number to produce a triangle of stars. e.g. If I enter 5 - then it should look something like this ***** *** * My code is as follows: [COLOR=#0000ff]Private[/COLOR] [COLOR=#0000ff]Sub[/COLOR] btnEnter_Click([COLOR=#0000ff]ByVal[/COLOR] sender [COLOR=#0000ff]As[/COLOR] System.Object, [COLOR=#0000ff]ByVal[/COLOR] …

Hi, I am trying to incorporate a struct and class in the same program to calculate overtime pay and hours for one person. I am having a hard time with these two and especially putting them together. I am not sure what to do to get the program to compile …

I have started programming in python . I want to know the best GUI binding to use .pyqt and wxpython which one is the best and easy to learn and install on federa 13

I have two tabs in a form . The first form has some buttons which are common to the second tab. But there are some additional buttons in the second tab which need to be worked on . I have included the buttons in the second tab .But I am …

I have a problem casting a long to an int in c++ There is a long "biWidth" in the &pVideoInfoHeader->bmiHeader struct, I simply want to read this into an integer value "Width" [CODE=c]//check the video info header Width=(int)(&pVideoInfoHeader->bmiHeader.biWidth); Height=(int)(&pVideoInfoHeader->bmiHeader.biHeight); //break point here [/CODE] When I step through the code to …

Hi, I have this following code for watershed algo to segment an image. But I do not know what the error is. Can someone help me out [CODE]namespace watershed1 { public partial class Form1 : Form { public int X; public int Y; public int Height; // labels the pixel …

Hi. I'm fiddling around with Python and MySql. I keep getting an error with this little script to try and read the rows in a table. The error is: TypeError: unsupported operand type(s) for +: 'int' and 'tuple' Here is the code snippet. Any help would be hugely appreciated [CODE]import …

I want to make a graphic of certain data in my program. The problem is that the zedgraph doesn't zoom out to see the dots or lines in the graphic. This is my code: [CODE] Sub llenar_graph(ByVal zgc As ZedGraphControl) Dim myPane As GraphPane = zgc.GraphPane myPane.Title.Text = "Algoritmo Genético" …

hi guys i ve a problem in doin my project. wen i give some data in the sales bill form i ve created, tat should appear in ms word bill format i ve designed how to connect my vb form with word and to take a print of it, plz …

I have a picture uploaded in the picturebox in c#. What i need to do is to draw a rectangle into this picture and cut the part of image that's in the rectangle and show it next to the image box and then save it with a submit button. Can …

okay i have an array of a struct. [CODE]struct MYSTRUCT { float myFirstVal, mySecondVal, myThirdVal; unsigned char myByte; } int myCountFunction(MYSTRUCT *&myArrayOfStructs) { int myCount; // question area return myCount; } [/CODE] here is my question. how do i count the number of elements in an array of type blah …

Hi C++ experts, I am looking for a script which given a structure made of basic types can generate a C++ class which encapsulate the structure and it also generates the stream in and stream out method for the structure e.g [code] input int a ; char b; string c; …

I know how to se the font of a regular JTextArea, but how would I get an reference to the selected text and only select that? Here is what I have so far: [Code] setFont(new Font(font, style = Font.BOLD, size)); [/Code] this works but changes whole area [Code] textArea2.getSelectedText().setFont(new Font("sansserif",Font.BOLD, …

helloo, hello can you help me please i want to write to a file using bufferedwriter and bufferedreader but the problem is that i don't know how to use it i get an error please help me,hoping for your positive responds... [CODE] import java.io.*; import java.util.*; class Writefile { public …

hi i am trying to make a currency converter to convert British pounds, US Dollars and Euros . i have the GUI made but i wanted to make a separate class to handle the conversion of the currencys but im not sure where to start so i was wondering if …

How to pass an array of struct as a function parameter? This is not working: [CODE] struct Person { char* name; int age; Person(char* name, int age) { this->name = name; this->age = age; } } struct XYZ { int count; Person* people[]; XYZ(int count, Person* people[]) { this->count = …

Hi, I have two Pthreads and two named semaphores, the semaphores are created within the threads, is there a way in which i can declare a semaphore in one thread and then open and use it in the other one ? Thanks

Hello everyone I am new with algorithm, this is one of my problem which I am trying to sort out. Can anyone help me with some clues for this... Design an algorithm that will read an input weight for an item to be shipped search an array of shipping weights …

/** * Class BankAccount - a simple model of a bank account * designed to illustrate the concepts of classes, objects, and methods. * * @author Man Hin Wong * * @version 2010.08.12-version */ class BankAccount { // These are the instance variables private int balance; private String accountName; // …

I may not be understanding private inheritance right, but I thought when you inherited privately that you could still access public member data/functions, but the child class of the derived class would not. For some reason it is saying the public print() method is not accessable in this context....Is there …

I am developing software in which I needed to do more elaborate visual styles to a listbox than usual and I used some sample code online. As a good learning programmer should I tried to understand the code when I edited it and for the most part I did, but …

Hi guys, I just thought I would add this because it was a pain for me to muster up due to the lack of information through google and msdn on the topic. Enjoy =)