Software Development Forum

Hi :) I am certain of when to use static_cast, but often I can get satisfactory results by writing the target type in a parenthesis. For example: [CODE]void* data = somePointer; SomeClass* new_ptr = static_cast<SomeClass*>(data);[/CODE] seems to work when replaced with [CODE]void* data = somePointer; SomeClass* new_ptr = (SomeClass*) data;[/CODE] …

Here is my code: [CODE] /** * @file qsort.cpp * * @date 11/2/07 * * This program implements the non recursive version of quicksort */ #include<iostream> using namespace std; /** * Swaps two items * * @pre x and y are the items being swapped * @post Contents of actual …

I have changed the Path Environment Variable for Windows Command Prompt to: C:\j2sdk1.4.2_04\bin so why, when I try to run javac while in the code folder directory, do I still get the error message "javac is not recognized as an internal..." I was forced to put the path info in …

Hi all, I want to know how much memory does my umap allocates in ram. I have the following definitions std::tr1::unordered_map<string, long> umap; umap h1; i do some insertions and at the end i want to know how much memory my umap allocates in ram. How can i find this? …

How do I get rid of the zero digit in this program? this is a factorial problem and I have to show the numbers to be multiplied before arriving to the answer. The problem is, in the iteration process, the number zero will show. How do I get rid of …

How to Save Web Pages in WebBrowser1 using VB6? It's not about saving the source code to text file.. It's the same as clicking [B]File > Save Page As...[/B] in Firefox. :)

We are using a singly linked list with head pointer to implement Stack ADT. The stack top is maintained at the [B]end of the linked list,[/B] i.e. stack top is the last item. Discuss whether this is a good design in term of time efficiency: In a stack of N-items, …

MessageBox(NULL, (LPCTSTR)"Test1", (LPCTSTR)"Test1", MB_OK); This code is popping up the window correctly, but it displays all squares. Whats wrong =(

i'm new in using VB, so i'm not quite familiar with it.. if any of you use cpp, i'm sure that you know STL in cpp, like vector and stack.. does VB has that kind of STL too? i really need good data structure using VB now, and it will …

I am getting some build code errors I do not understand how to fix. This is probably because I am so new to programming. Help is appreciated! Line 54 error is missing semicolon before type and lines 56,59, and 60 say i is undeclared??? [code] include<stdio.h> #include<string.h> //Global Variables char …

Hi, I tried everything to fix this but this message still shows if I try to check for errors on my drive C: using PowerQuest Partition Magic 8.0.I thought running microsoft chkdsk can solve this problem but not workable. What can I do? Is it possible that this is a …

[CODE] #ifndef Test_h #define Test_h #endif [/CODE] May I know what are the above 3 syntax for? How can I use it? Is is used only in header file?

//Here is the function of inserting nodes.I tried using strcmp but its still not working. [CODE] void BinarySearchTree::insert(char* d) { tree_node* t = new tree_node; tree_node* parent; strcpy(t->data,d); t->left = NULL; t->right = NULL; parent = NULL; // is this a new tree? if(isEmpty()) root = t; else { //Note: …

Can someone please help me? I am creating a program to calculate the cost of excess minutes with two cell phone companies. I am reading my data in from a file. This is the data from my file. [CODE] 2 32 3 45 1 36 3 15 1 30 1 …

Hi! I am trying to figure a way to measure a process' system time. The Unix's time command seems in effective because it only displays the result in seconds but my program is small so second is inappropriate. I also tried to use gprof. However gprof uses atexit() to trace …

Hello. I've programmed in VB for ages, but just started dealing with databases and VB.net. The problem I am having is related to a menustrip item. I used the data source wizard to add a database to my application, and did the drag-and-drop thing to put the details on my …

i have a main java code called home.java which is an interface. when i press button BTNSTART , i want d progm WebCam.java to exxecute. but it's giving me an error saying : [B]ERROR[/B]: home.java:146: cannot find symbol symbol (constructor WebCam()) the code home.java : [CODE] import javax.swing.*; import java.awt.*; …

i'm new to c++. i started with the following code and i have an, ISO C++ forbids comparison between pointer and integer ERROR. My my program is for a library. i am now trying to have it pull up my file and read then edit a bookfile. the area in …

I am writing a program for class that I keep getting a segmentation fault on. I am fairly certain that it has to do with the assignment of the 'string location.' Could anyone possibly give me a hint as to what I'm doing wrong? I'm very new to this, I've …

I have this code and Im getting two errors when debugging... Im trying to change it to arrange it but I think I have a major error.My "experience" in c++ is veeery basic this is my third week in college :( I need help please the errors are: >assignment5.obj : …

[QUOTE]This program actually have 4 function. 1)AddLast = to add a new node at the last of the list 2)FindNode = to find the desired node 3)DeleteNode = to delete the desired node 4)DisplayNode = display the list Now..my problems is with the AddLast function.. Before this I done with …

Do any of you guys know if Winsock is a popular API that is used for companies hiring programmers? Thanks

I have this homework assignment that i need help with and below is the code that i have so far. any help would be appreciated. thank you. Write a program that tells what coins to give out for any amount of change from 1 cent to 99 cents. For example, …

Hi. Let me start off by saying I've done no programming in my life aside from the 2 weeks of Intro to C++ class I've had so far, so I've got little idea of what I'm doing. Our assignment is to write a program for the 'game of NIM', essentially. …

Hi everyone I am trying to write a program that will allow to people to play tic tac toe. My constraints are that this must be accomplished mainly through the use of functions and that the default cell field for the displayed game board must be stars. I am having …

I am new at programming and got an assignment that is due tomorrow. I have to develop a program that calculates pay and bonus for three sets of workers. HELP!!!

Hello. Just need some advice on what I'm doing wrong with my code down below. I'm suppose to right up a program that reads in maze code that looks like this " 2 3swensw 2 1" for example. the first two digits = row & columns of the array while …

i need to make a program that reads in a file and list things like the number of characters,words lines spaces tabs etc. anyone know the best way to do this? any help anyone can provide is appreciated thanks

Hi I am trying to count the number of words in a file and this is what i have so far. I am not sure about the getchar().. could you please tell me what i should be doing ? [code] #include<iostream> #include<fstream> #include<string> #include<conio.h> using namespace std; int main() { …

Hi, I seem to be getting myself into a lot of segmentation fault errors lately. The that currently has me stuck is one that shows up after I exit my program (an SDL App). When I need to debug I usually use the debugger or a Logger class I found …

I have this homework assignment that i need help with and below is the code that i have so far. any help would be appreciated. thank you. Write a program that tells what coins to give out for any amount of change from 1 cent to 99 cents. For example, …

So I'm trying to find a way to basically generate 100 numbers from 0 to 99 in random order with no duplicates. This is my code, and as you can see it displays 100 numbers but....some are duplicates. [CODE] srand((unsigned)time(0)); for (int count = 0; count < 100; count++) { …

I am trying to start the odometer reading at 0 to start with, but I want it to increase everytime the user inputs MilesDriven. I can't seem to get it to work...any ideas? [code] //Paul Baker //TRCC Intermediate C++ //Assignment 3, Odometer #include <iostream> using namespace std; class Odometer { …

[code] #include <iostream> using namespace std; class A { private: int a; }; A::A() { a = 10; } int main() { A obj1; cin.ignore(); cin.get(); } [/code] It is giving me the error Error 1 error C2600: 'A::A' : cannot define a compiler-generated special member function (must be declared …

[CODE] _CreateProcess __CreateProcess = NULL; __CreateProcess = (_CreateProcess)GetProcAddress(GetModuleHandle("Kernel32.dll"), "CreateProcessA"); [/CODE] what is this (_CreateProcess) in the code??? is this a cast types? __CreateProcess = [B][COLOR="Red"](_CreateProcess)[/COLOR][/B]GetProcAddress(GetModuleHandle("Kernel32.dll"), "CreateProcessA");

I have function in my program calls a class which opens a new window [CODE]class TopLevel3: def __init__(self): self.root2 = Toplevel() self.canvas3 = Canvas(self.root2, width=400, height=200) self.canvas3.pack() self.root2.title("ImageDB") r = 0 for c in range(6): Label(relief=RIDGE, width=55).grid(row=r, column=0) Entry(relief=SUNKEN, width=20).grid(row=r, column=1) Button(text='View Image').grid(row=r, column=2) Button(text='Update Tag').grid(row=r, column=3) r = r+1 …

I am creating a C program to work with environment variables and I am having some problems. I have three choices to input from the command line: a.exe, a.exe <environment_variable_name>, or a.exe -a. The 'a.exe -a' should display a list containing all environment variable names and assigned values, with one …

Hi, I have installed WWW-Mechanize-1.60 in Linux platform. Problem is that i am getting this error. [code] Error GETing http://www.example.com:Can't connect to eutils.ncbi.nlm.nih.gov:80 (connect: timeout) [/code] Here is my code. [code] use WWW::Mechanize; $url="http://www.example.com"; $mechanize = WWW::Mechanize->new(autocheck => 1); $mechanize->get($url); $page = $mechanize->content; [/code] How can i solve this error? …

Hi all, I am trying to write a string to a multiline textbox but apearently my code doesnt do as i want... This is the code i am using : [CODE]textBox9>Lines[0]="Succes";[/CODE] But when the code executes nothing happens in the textbox, everything just stays thesame :S Am i doing something …

I'm Taking a Class on Java at my Highschool, but my teacher goes very slow and I need a quicker pace. Could anybody so kind as to give me a list of simple classes and commands so that I could work with them. Also does anybody know a Good program …

I wish to create a program that informs the user whether a given date is a holiday or not - Here is how it should work: The student should be prompted to enter an integer for the month and then prompted to enter an integer for the day. (For example, …

Hiya. I'm a complete C++ noob. I'm trying to make a bingo game where the computer gives the user eight numbers and the user slowly plays a game of bingo. It's very much work in progress. However, I'm having a problem when trying to compile it, the program seems to …

help:D

hi please help me on this... Can someone help me, what is the essence or the use of this...hoping for your positive responds... adOpenDynamic adOpenForwardOnly adOpenKeyset adOpenStatic adLockBatchOptimistic adLockOptimistic adLockPessimistic adLockReadOnly

hey guys im working on a homework problem..im done with 99% of the problem :|however i cnt figure out how to display my output(which is in dollars) using the comma my output shows >>160000 how would i make it >>160,000 um should i use setprecision??? please help thanks:)

hello can you help me how to use the code tags so that i can post all my code and not to be banned.. [CODE][/CODE] where i put my code inside this bracket or in the middle of this two bracket? i have 3 points more to go..hoping for your …

First I am sorry if I am creating a thread in the wrong category as I am not sure which is the best suitable place for this question: Please provide me suggestions or any pointers. I want to create a user defined data structure, which will be a 2 dimensional …

I am trying to input a text file with twenty unsorted names in it into an array and then perform a bubblesort and output to a new file. The filename for the txt file is names.txt Here is what I have so far....not much...I would appreciate some help the right …

Hi I am a J2ME developer I am new to Dani Web. I am using chartapi.finance.yahoo.com to calculate and display chart. My questions is how to convert TIMESTAMP value to a Java Date or Calendar Object ?..... For Eg: URL GIVEN BELOW [URL="http://chartapi.finance.yahoo.com/instrument/1.0/aapl/chartdata;type=quote;range=1d/csv/"]http://chartapi.finance.yahoo.com/instrument/1.0/aapl/chartdata;type=quote;range=1d/csv/[/URL] Its output will be uri:/instrument/1.0/aapl/chartdata;type=quote;range=1d/csv/ ticker:aapl unit:MIN …

I will start a new project. But I have some simple questions about it : 1) Is the C faster than Java on processes which has no graphic user interfaces (like softwares which are working just from command line) ? 2)Because if the C is faster than Java, I want …