Software Development Forum

I am writing a program to handle a DVD collection. There are 2 classes. The first class is a string class that has member functions that handle strings(length, compare, etc.) and store strings(dynamic array). The second class handles the actual DVD's-title, year, actors, and brief description. I'm confused on working …

hello dear guider i design a simple application in C++ 6 using mfc. but when i try to test it on other pc it doesn't run i dont know why because am a dummy. an sorry i might have flame dont blame me am just beginner.

could someone atleast point me in the right direction? i'm new at this and i've been working on this program and I just hit a brick wall. Its like my brain stopped working or something... :confused: I have to make a "stop watch" program...have a class defined for stop_watch that …

Hello. Any way of preventing multiple instances of executables? I'm writing a program that uses a file, it would be quite messy if someone would start another instance of same program. If it depends on OS, I would like to see solutions for windows and unix-type (linux) systems. Thanx

I'm using the code [code=VB.NET] Sub PicCanvasMouseDown(sender As Object, e As MouseEventArgs) XPrev = e.X YPrev = e.Y End Sub Sub PicCanvasMouseUp(sender As Object, e As MouseEventArgs) XCur = e.X YCur = e.Y End Sub Sub PicCanvasPaint(sender As Object, e As PaintEventArgs) Dim p As New Pen(Color.Black, 10) Dim g …

Hi, My doubt is that..lets say we have an usigned int.If I do a left shift by 32 bits...I'm getting back the original one..shouldnt it be all zeros??

Hi, I'm trying to code Huffman coding.I've formed my huffman tree but dont understand how I'm gonna assign bits to it.How do I do bit operations and how do i maintain bits of length 3,5 etc? Any help appreciated

[code=c] #include<stdio.h> #include<stdlib.h> main() { char a[32],*a1,b[64],*b1; a1=&a[0]; b1=&b[0]; a1="hellohellohellohellohellohello" ; printf("\n contents of a1: %s\n",a1); int i =0; for(i=0;i<=31;i++) { printf("%c",a[i]); } } [/code] So why does printf ("%s",a1) work correctly while printf("%c",a[i]) display junk ? Since a1 points to a[0], shouldn'it it display the same values ?

I wrote this little guy a while ago. I'm brand new to DaniWeb, and happy to be here. This was one of the earlier things I wrote in Python, and therefore one of the earlier things I wrote period. I've since done some much more complicated nonsense, but this one …

[code]Hello to all Masters, I have a problime in the database programming. i am using a Access DATABASE file in the VB6.0 Project. in this project i am creating a veriable such as " Dim s as new ABODB.Connection. but when i run the project it create an ERROR at …

Hi All, I want to enable/disable users who logged in Domain Name Server (DNS). Through VC++ code. If anyone has idea regarding this please reply me asap. Thanks in advance for u r reply. Regards, Shalin.

[CODE]Call CheckLetter(char, letter)[/CODE] What I am trying to do above is send the string char to the procedure CheckLetter, and from CheckLetter I am trying to retrieve letter. How do I do this? All the code from my project. [CODE]Dim Alphabet(0 To 25) As String Dim codeword, wordtoencrypt As String …

so I'm writing a program that takes the input from the file, an ISBN number, removes the "-" from it, puts it through a formula (1*first number 2*second number ... 8*eight number) /11 and what ever that equals should be the same as the last number in the ISBN if …

hi im new to VB.net can you guys teach me about VB.net? what i need to learn first ? i have knowledge of VB6 , is the code vb.net same as vb6? thx in advance

please I want to recover the windows's process with java how can I do thank

Good Afternoon All i think its Firday fever, am tired. I think this Happens sometimes. let me get to the Problem. Am doing an OleDb Project I have an Access DB and the table is Users , here are the Field and dataType ID = Autonumber(int) Firstname = TEXT LastName …

I have a serious problem which i am not being able to figure. This program finds all the permutations of a given string using recursion. The diagnostic outputs show that the values of the 'choice' and 'final' character arrays is not maintained at a position (I don't know why). Please …

hello，any greate man can tell me the difference between cxx and cpp,h and hxx? waiting the answer,thanks

Hi friends, my query not worked. rc.open"select * from travel doj between #"& doj.text &"# AND #"& doj1.text &"#; suppose doj.text=01/09/2008 doj1.text=22/09/2008 but it shows july records also.

Couldn't find a search button so I'll ask: I'm running Freebsd v7.0 with the ratpoison window manager, and have installed free pascal from ports. I've been trying for hours to get either Lazarus or fpc-ide installed with no luck. Lazarus - gives message like menubar>>environment.>environment options>> etc etc etc. If …

I've been going crazy with a problem lately and I was hoping someone could give me a little insight. Basically I have a database project in C# that I work on with two computers. One uses Vista and the other XP. So far I have transfered the project files between …

Does anyone know what's C++'s SETW() Equivalent in Visual Basic .NET ? SETW: Sets the number of characters to be used as the field width for the next insertion operation. Is there anythign similar in VB.NET. Note: I want to use in a ListBox. I've tried using: [CODE] Dim fmtStr …

Is it possible to put compile-time conditional code in template functions? Kinda like, [code=cpp] template <class T> void print(T &foo){ cout << foo; #if T == float cout << " is a float." << endl; #endif }[/code] Something like that, I hope I made myself clear. Thanks in Advance,

this is my first project n i need help in displaying images in imagebox this is the code to display the code which i am using to display images in imagebox Image1.Picture = LoadPicture("C:\images\" & Text3.Text & ".jpg") '<<this works fine>> in the above code the location is C:\images\ , …

Greetings! My task is to impement [url=http://en.wikipedia.org/wiki/Bresenham%27s_line_algorithm]Bresenham's line algorithm[/url] by mapping floats to integers, but be able to draw lines of any slope, including horizontal (zero slope) and vertical (infinite slope) lines. (The near-bottom of the page has an integer-only version of this.) My implementation of the linked pseudocode works …

I'm working with Visual Studio.net and Access 2002 to build an interface to add, edit and delete records in the database. Eventually, I'd like to build a web page to be able to view the data. Currently, I'm trying to search for a particular record in the database using a …

hi guys, I have a simple question and I am new to c, Would appreciate any advise I could get. Here's the doubt. [code=c] main() { char a[10],*a1,b[10],*b1; a1=&a[0]; b1=&b[0]; int x=0; for (x=0;x<=1-;x++0) { *a1++=*b1++; } } [/code] Basically if I had a string in b[10] it would get …

Hi, Can you plz help me in creating a file in C having columns rec_id (int), score (float), hour (int), no_clicks (int) with rec_id values ranging from 1 to 100, score values initialized to 0.11, hour values initialized to 0 and no_clicks values also initialized to 0. And then generating …

I really need some help!! I do not understand anything! I do not even know how to start!!! Can any1 help plz!!! “Moore’s law describes a trend in the history of computer hardware. The number of transistors that can be inexpensively placed on an integrated circuit is increasing exponentially, doubling …

Please I'm trying to create a sales management software and am experiencing problems trying to create a table like we have on spreadsheets for enterring sales data.I'm using the Win32 API.Could any one give me an idea on how to implement this ? owobass

I was wondering how Python would work with this program I wanted to make. I have very little experience with Python, so bare with me. What I wanted was to make a program that brought up quotes randomly from a .txt file and put them in a XP/Vista message bubble …

Hi ! I am new to DaniWeb. I searched everything to find an answer but i can't. This is for my final project and i need it to get my bachelor degree. I have a text file that has this type of files: 2001.7.1.407 изутрината во тетовски 2003.5.3.20083 кзк ја …

I have a problem. I have a csv that stores data about checks in a private restaurant . Not CC's or anything, just table number, items, server number, blah. It repeats for every check a four lines that start with 1,4,5,6,7. I have a interface that picks up this csv …

I am using Eclipse to right there It is coming up with an error within the switch statement saying that the Clock.* has not been initialized. it says Description "The local variable Clock may not have been initialized" but doesn't that happen when i do "Stopwatch Clock;" I am still …

how can you make program using a linked list that displays your outputs in ascending alphabetical order? we are only allowed to use: #include<stdio.h> #include<conio.h> #include<stdlib.h> #include<string.h> TIA

I am having two servers viz., Windows and Linux. A service is running in Linux to produce a text file of around 8 MB per minute. If I would like to replicate (or copy) this text file to windows server which supports .Net as soon as the file is produced. …

I was wondering if this code is correct syntax for function parameters in a class? [CODE] class myclass { private: char mystring[50]; int length(char string[]); public: int yourlen(){ return length(_string, _string); [/CODE] I know later in my code, I would have something like this: [CODE] mystring A; char string[50], string2[50]; …

Hey, i am trying to display weight base on a age input without using a table vb.net. Say a age can be anyware from 1 to 18 yrs and weight at 1 = 11kg with a avg increase of 3kg per year. I thought of using a for loop but …

Hi everyone. I wrote a Rock Paper Scissors program my first quarter of C++ two years ago, and now I have a job at a programming job. I showed someone my little easy program and they challenged me to make a verson 2.0 with AI and a gui. The Gui …

Hi all, I new to vb.net, and I have alot of questions. so Get Ready :) I had added a forum and set the IsMdiContainer to True and I noticed that the backcolor has changed to darkgrey Is there a way to change back the backcolor to normal? TIA Samir …

I have signed up for high school online c++ courses, which has proven to be a mistake, due to my inability to grasp the content. I would like to keep learning, but as the semester draws to an end, I must catch up on my work. This is a project …

Hi there, I am developing a desktop application that has a form that shows Domain on a System/ Network.The System.Environment.UserDomainName only tells the current user's domain. I want to see all the available domains and all the users under those doamain. I want to know how can I read Domains …

Hi have a problem, this code should read a file and then save it in a linked list, just the <uid><name> from a lie looking like: <username>:<password>:<uid>:<gid>:<fullname>:<home dir>:<shell> I can't find the segmentation fault error atm, but hints on the code would be helpfull. Atfer the insert in user list …

[url]http://www.mixsoftware.com/product/cpvideo.htm[/url] Can anyone tell me if this video and course work is helpful at all? Have any of you guys personally purchased this, or do you believe it to be a waste of time? Keep in mind im fairy new to programming. Thanks

Hello everyone. I know this is a C++ forum not MySQL forum but I need help with the C++ library for MySQL I am hoping that there will be people here who are knowledgeable about MySQL++. My problem is that I can't get the g++ compile to link to the …

How to get the invoked command and parameters as one string instead of a list of argv-s (especially gcc under Linux)?

How long did it take you to learn C++ or C or VB. I learning some what C for my Linux class.

the frame is okay but the text2, textfield has occupy the whole frame. what's wrong with my code? image: [URL="http://img68.imageshack.us/my.php?image=73815503ku1.png"]http://img68.imageshack.us/my.php?image=73815503ku1.png[/URL] here's the code: [code=java] import javax.swing.*; import java.awt.*; import java.awt.event.*; public class JFrameTest extends JFrame implements ActionListener { JButton button; JLabel label1, label2, label3; JTextField text1, text2; Container con = …

#include <iostream> #include<string> using namespace std; class substr { public: void getsubstr(char* b, char* db) { char* stpos = strstr(db,"gi|"); int pos = db-stpos; char* end = strstr(db,"|ref"); int endpos = abs(db-end); b= new char[endpos-pos+2]; int i=pos+3; for(;i<endpos;i++) { *b++=*(db+i); } *(b+i)='\0'; } }; int main() { substr* s; char* …

Hello All, I am trying to compile the C++ program. But I am getting weired compilation error. ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1>------ Build started: Project: HelloPras, Configuration: Debug Win32 ------ 1>Compiling... 1>HelloPras.cpp 1>c:\documents and settings\prash\my documents\visual studio 2008\projects\hellopras\hellopras\hellopras.cpp(15) : error C2819: type 'JavaVM_' does not have an overloaded member 'operator ->' 1> c:\program …