Software Development Forum

Hi, I need to finish a assignment on operator overloading but this one piece of code doesnt seem to make sense.. in my int main() i have int main() { Element a, b(5), c(7), d; cout << (5+b) << endl; this is just part of it, I have already implemented …

hello, I want to link a text file in my userform. [B]Can i use linklabel for hyperlink?[/B] please help me........... thanks in advance.:confused:

Hello friends i am new on DaniWeb and new in Python... I have a few problems so i need help... I have a text document with a code from some web page, how can i extract some string between a two different strings in line and then that stings write …

Hey all, I was taking a look at my stringstream conversion function and I couldn't decide how I want to handle a bad conversions. I used an exception and then in main I would a use a try, catch block to get any exception. [code=c++] #include <sstream> #include <exception> class …

This is the program that I have written, my problem is that the contents in the for loop does not execute. When I compile I get enter number of students to be registered And total cost of discount is R 0 QUESTION 2 PROGRAM #include <iostream>using namespace std; int main() …

Hey, when I run the following code: [CODE]for(double i = 3; i >= 0; i -= 0.2) { cout << i << " "; }[/CODE] I get the output "3 2.8 2.6 2.4 2.2 2 1.8 1.6 1.4 1.2 1 0.8 0.6 0.4 0.2". For some reason, it doesn't output …

i want to learn the complete working of pointer in c. i tried it many times but it is very difficult so please help me.

I've created a new class called BulletList2(linked list) using the built in dialog(File>New Class) which created a header file called bulletlist.h (in project folder>include) and a source file called bulletlist2.cpp(in project folder > src). header file [CODE=c++]#ifndef BULLETLIST2_H #define BULLETLIST2_H class BulletList2 { [...] } #endif // BULLETLIST2_H [/CODE] In …

Hi Guys, i am making an application which can take longitude and latitude as input from user and will locate the respective point on google map using default web browser i am able to open a browser through this [ICODE] private void button1_Click(object sender, EventArgs e) { System.Diagnostics.Process.Start("http://www.gorissen.info/Pierre/maps/googleMapLocation.php"); }[/ICODE] this …

help pls i need someone that can help me when i enter the date of birth using the [COLOR="Red"]datetimepicker[/COLOR] box it automatically compute the age and output in a textbox.text

i want to add isEnabled() method to JTextField, i write a code [CODE]tRate=new JTextField(); if (tRate.isEnabled()){ JOptionPane.showMessageDialog(c,"press any key to get rate"); }[/CODE] but it is giving message just after compilation of program instead when tRate is enabled

I want to draw a editable TextBox on top of picture box and the user is allowed to enter text into this box.After entering text the text box should disappear and the text entered should be painted to the picture in the picture box.Please help me on this,I'am doing this …

I'm trying to figure out how to deal with multiple matches in my address book, say the user has two people by the name of Bob; one is Bob Lastname and the other is Bob Namelast, how would you approach dealing with telling them to specify, and then allowing them …

I am given a assignment in college to make a project in java. i want to make program in java but my teachers advice to make a system program not application program. But i don't know anything about system programming in java so please guys suggest me topics and also …

I'm having trouble printing out what I want. If I put my printing statements inside the Calculate method, it does print out what I expect. However, I want to do it in a separate method. Can anyone tell me what I did wrong? Also, can anyone point out to me …

I am trying to catch the System.InvalidCastException error. If I put a number into the calculator the program runs ok. If the calculate button is pressed with nothing in the text boxes I get the casting error Conversion from string "" to type 'Decimal' is not valid. I understand why …

Am developing an application with c#. I want to know how to insert data set values into the database

Can anybody tell me the diff between keywords and identifiers? Cin and cout in C++ are keywords or identifiers?

i want to make a program that contains two main classes and they call each other. [CODE]class Main1 { public static void main(String arg[]) { for(int i=0;i<5;i++) System.out.println(i); Main2 m1=new Main2(); } } class Main2 { public static void main(String arg[]) { static int j=0; for(int i=0;i<5;i++) System.out.println(i); if(j==3) break; …

Hii guys.... i am a new programmer of java. i want to implement a problem using CALL BY REFERENCE as i have done in C. please help me to do this.

A thread was started ([url]http://www.daniweb.com/community-center/daniweb-community-feedback/threads/363816[/url]) inquiring about creating an objective-C forum. I am open to this as long as it is indeed a unique language with unique characteristics (and not a subset of C or C++, for example). However, my main hesitation is that creating a forum is, often times, …

Hello Experts, How can i save the optionbutton and checkbox value in sql database? please send the query: dim cmd as new sqlcommand("insert into [tablename] values(........)",c.con) please help me :)

I need to make the integer "order" save to a text file or database (All I need it to do is to count how many times you win & save it there). Every time the game starts up, I want it to read it, & every time the game is …

Hi I am using jasper reports to generate pdf reports from product data.I am storing the pdf file into a database column (blob) using FileInputStream.I have got a desktop application which retrieves the tables from the db.What would be the best way to retrieve and view the pdf file in …

Hi i have a directory containg about 300 files with different extensions like : .txt, .php, .html,etc.. and i have tried this code but it displays a files list instead of only thier extentions [CODE]string[] filePaths = Directory.GetFiles(@"c:\tmp]");[/CODE] so what i need to do is to display all the files …

0 down vote favorite share [fb] share [tw] share [in] i am working on a tiny tiny app that just uploads a file to the ftp server, i have reviewed my code but am quite unable to locate the problem, here is the code, [CODE=C]#include "stdafx.h" using namespace System; #include …

When i pass the parameter and run the report it works fine as i close the form it closes the form is there any way so that i should be able to close the crystal report viewer and pass the parameter again and should be able to view report again. …

I have a csv file in drive C: when I am going to display in datagridview but the 1st line is not display in gatagridview, My csv file content data is as follows "^NSEI",5040.00,"9/2/2011","6:00am",+39.00,0.00,0.00,0.00,0 "RCOM.NS",84.70,"9/2/2011","6:29am",+5.15,81.90,85.65,79.70,13378691 "RELIANCE.NS",805.45,"9/2/2011","6:29am",+22.85,796.70,813.70,789.45,7791545 "DLF.NS",207.85,"9/2/2011","6:28am",+11.10,194.25,209.90,191.05,10297314 "UNITECH.NS",26.85,"9/2/2011","6:30am",-0.75,27.80,28.45,26.70,44035656 "HANUNG.NS",101.10,"9/2/2011","6:29am",-0.50,102.35,104.80,100.60,326326 "LITL.NS",16.75,"9/2/2011","6:29am",-0.30,17.00,17.50,16.35,9415675 "INDIABULL.NS",149.95,"9/2/2011","6:28am",-4.00,155.00,157.00,148.50,677258 My code is below: [CODE]Dim csvFileFolder As String = …

[CODE]#include<stdio.h> #include<conio.h> #include<string.h> #include<ctype.h> int main() { char org[50],r[50],m[50],a; int i,j,c=0,length=0,h=0,g=0,z; char token [3] [20] = { "void", "main", "int"}; printf("\nenter a line:"); gets(org); for(i=0;org[i]!='\0';i++) { length++; } for(h=0;h<3;h++) { for(g=0;g<length;g++) { z=strcmp(org[g],token [h]); if(z==0) printf("Keyword:%s\n\n",m); else printf("NO_Keyword:%s\n\n",m); } } printf("\n"); system("pause"); return 0; }[/CODE] it is showin this warning....[Warning] …

Hello, basically I want to read an input .txt file, and check to see if '+' or '*' is at the beginning or end of the file. The file can have a space at the beginning, and that should be ok. This is the code that I think should work, …

In chain hashing how can the order of deleting a node in double linked list be O(1) it should first check for the slot which is of O(1)and then it should check for the element to be to be removed in the linked list pointed by that slot which is …

Okay, so I have tried to write a program that would generate the rule of 110. quoted from wikipedia: The Rule 110 cellular automaton (often simply Rule 110) is an elementary cellular automaton with the following rule table: current pattern 111 110 101 100 011 010 001 000 new state …

Hello, I'm learning Python. It is my first interpreted language. I have some experience with C and C++. I must admit that it's very hard for me to accept a concept of interpreted language. For example I write code in C++, compile it, link it and I have .exe file …

Hey folks. I currently have a large JSON file made up of entries similar to the below. The file contains information relating to photographs:- [CODE]{ "SourceFile": "C:/Users/Me/Desktop/Photos/5294030805_9497032cd7_o.jpg", "ExifToolVersion": 8.63, "FileName": "5294030805_9497032cd7_o.jpg", "Directory": "C:/Users/Me/Desktop/Photos", "FileSize": "1094 kB", "FileModifyDate": "2011:09:09 22:40:39+01:00", "FilePermissions": "rw-rw-rw-", "FileType": "JPEG", "MIMEType": "image/jpeg", "JFIFVersion": 1.01, "ExifByteOrder": "Big-endian (Motorola, …

Hi everyone, I was wondering if anyone could help me - at the minute I have a c++ program that renames a file and then attempts to move it too a new folder using linux commands and passing them to the 'system()' function. It renames the files no problem - …

I'm writing a simple cryptography program that uses ISAAC, and I've run into a wall. I am planning on XORing each of my input bytes with 1 random byte each that gets returned from the ISAAC PRNG. This is basically what I'm trying to do [CODE]while(input character != EOF){ read …

Ok, I've been trying to research this, but have had no real luck for my level of understanding. I've been programming C++ for a while and have decided to learn DB programming (just because I want to). Anyhoo, I am unable to figure this one out: I have a simple …

I have the following code for shell sort (recursive) given in the question where t[ ] is an array to be sorted, n=no of elements initially. h is any large no initially,say h>n. [CODE]void shell_rec(int t[],int n,int h) { int aux,i; if(h<=0) return; if(n>h) { shell_rec(t,n-h,h); if(t[n]<t[n-h]) { aux=t[n]; i=n; …

As the title says- I'm not sure which appdata folder to use- Should I use CommonApplicationData, The directory that serves as a common repository for application-specific data that is used by all users. Or LocalApplicationData, The directory that serves as a common repository for application-specific data that is used by …

i m having trouble in constructing a edge detector by using the sobel kernels and expected results are the vertical, horizontal and gradient edge image. Sobel kernels : [-1 0 1 hx = -2 0 2 and -1 0 1] [-1 -2 -1 hy = 0 0 0 1 2 …

I got my code to check for how many digits that i type in my raw input [CODE]num = int(raw_input("Enter, ")) import math digits = int(math.log10(num))+1 print digits [/CODE] example 1587898 then it prints 7 digits I need my code to calculate the digits i type in my raw input …

Hi all, I'm having problems writing to a file, and can't figure out what's happening. Basically I have a program which tracks movement over several timeunits (each timeunit takes several timesteps). At each timeunit I write the results to a .txt file. However my program keeps crashing on the last …

Im trying to make a game. Theres a player and he shoots bullets, and i was told whats wrong is it is making a shallow copy instead of a deep copy even though i researched this i cannot completely understand it. This is my attempt however i know it is …

good evening guys. I have a problem with my -simple- application. I have 2 forms (Form1 - Form2), i create an object in Form1 (Person type) and i want to get the values of data members when i focused to the Form2 and i press getPerson button. But how can …

I have a 2D array with generated doubles. I need to write this array to a CSV file so that I can open it in Excel. Is there a method or function in C++ that allows for this to be done? I could do it manually, but it would take …

I know there are several related threads, but a lot are more advanced than what I'm trying to do. I swear, I've looked at ALL of them, on many different forums. I'm in a 2nd year Java class in college, professor is not the best...I've read the book, Googled for …

can any one tell me what is the advantage of using double linked list over single linked list in chain hashing during deletion and searching of the node???

Hello In My Visual C# 2008.Its References has not Direct show in .Net Reference . Tell Me how I can Install Direct show library in c sharp.net

Hello i have created a form that has a combobox.the combobox displays the products.how can i add a selected product into a listview?????

I have found this code for using control array in VB.net, but this only works when I place text boxes on form, whereas in my case within tab control i have created group boxes and within group boxes there are a number of text boxes which i have used for …