51,593 Topics
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| | I'm new in assembly and was trying to get this program to work, it supposed to calculate the square root of any integer but i don't know how to load the ax into stack, get the square root and return the value to the c++ variable, that was the closest … |
| | Guys hello, i`m a new member here [IMG]http://images.devshed.com/fda/smilies/smile.gif[/IMG] Hello to everybody...I need urgently help... I have an assignment for C++. "We have a collection of emails. This collection has emails from Linguist.org, these mails are legal. these are in a file called ling_filenames.txt. We also have a collection of spam …  |
| | i want to convert char array element into hexadecimal value. But the code i wrote is not giving the output as i expect. [code] unsigned char in[256]; void Text(const char *Buffer) { static char tempValue[256]; for(int i=0;i<=len;i++) { sprintf(&tempValue[i],"%02x", (unsigned char)Buffer[i]); in[i]=(unsigned char)tempValue[i]; cout<<"HexaValue"<<in[i]; } } [/code] this is not … |
| | Can anybody tell that when Inline won't work though we have declared function as inline. i.e code replacement won't take place . |
| | Hello, i'm stuck with a problem on binary search. I need to compare a string with an array of type string. It is changing the position from which the string should be read but z compare is not successful. here's my code. Any help would be appreciated. thanks in advance. … |
| | i just wanted to make a program which reads 5 numbers then writes this 5 number. that's it but i couldn't. something's wrong and i couldnt find what is it. #include <stdio.h> void fun1(void) { int a=0,b=5,c=0; int d[5]; for(a=0;a<b;a++) { printf("%d\n",d[a]); } } int main() { printf("enter 5 numbers"); … |
| | Hello! I need a help. I've got to make a program with insert and search function and I have to use to following. To create a database in which I will implement insert and search The part of code is given: [code] #ifndef CONTAINER_H #define CONTAINER_H #include <iostream> #include <string> … |
| | please help to with this program by mainly using arrays and pointers ,... i need this program to check 2 matrix files "if they contain any character and if they contain cout<<"invalid"; " and to open them from .txt file Help with Code Tags cplusplus Syntax (Toggle Plain Text) [code] … |
| | Hello, Attached are two codes. Please compile them and check the output. The question I have is that I am unable to understand why is it that the memory location allocated to tempmemcheck are 8bytes + the last memory location and not 4 bytes plus the last memory location. Similarly, … |
| | Hi folks, I'm just learning C++ (using Borland C++ Builder) and I am having difficulty reading data from a text file created in Excel. I am trying to read the data into vectors which I can then use in a model that I am building. The problem is that I … |
 | Hello, I have a function which calculates time for a specific operation and prints the time... However i want to call the time in another function and display its value... The code is as follows:- [code=c++]int encrypt() { double encryptTime,Add,sub,sft,mix; // add + sub + sft + mix calculations encryptTime … |
| | Can anyone please tell me how to store contents of a text file after reading it into a 1D array buffer and then accessing each separate element of the paragraph? Please help |
 | Hello, I have a statically linked library, which I'd like to convert to dynamically linked one. For that I'd have to export symbols. My question is what symbols should I export in case of the interfaces. Here is an example [CODE=C++] // ----- IA.h // Interface class class IA{ static … |
| | I'm not really sure how to go about implementing these functions in my queue, any help is greatly appreciated! Edit: I just realized, I also have no idea where to start for the copy constructor [code=cplusplus] #include <iostream> using namespace std; template<class ItemType> class Queue { private: int front; int … |
| | I'm having some trouble with dynamic memory allocation of a struct. The struct looks like this: [CODE]struct J { int w; int s; };[/CODE] During the execution of the program, the following line of code results in a crash, which when debugging was because of std::bad_alloc, which does not make …  |
 | Just a quick question, I am working with classes and I was trying to rename one as an array, ie: [code] addressType addresses[n];[/code] But I have decided not to make it an array. So is this a legal statement? [code] addressType addresses;[/code] Or does that only work for arrays? Thanks |
 | Hey, i was just messing around and made a calculator and was just wondering if there was a way i could make it shorter? I'm not really bothered i just want to know? [CODE]#include <iostream> #include <conio.h> using namespace std; int main() { system("TITLE My Calculator Program."); system("COLOR 4"); double … |
| | My goal is to write a problem that will read in a length in feet and inches and output the equivalent length in meters and centimeters. As noted, There are 0.3048 meters in a foot, 100 centimeters in a meter, and 12 inches in a foot. I am only having … |
| | Just editing my calculator and looking at what functions math.h had and i came across pow, My program compiles and things like that so no error but if I'm not mistaken the answer is wrong. 6 ^ 1 = 6X6? = 36 (IS THAT CORRECT??) JUST IN MY PROGRAM IF … |
| | Hi, I am in an intro to C++ class, and need help with a homework. The below question requires us to allocate seats in the House for each state according to how large its population is. The entire problem is given all the way below. I have 2 queries: 1) … |
| | Hi all, I am trying to install MySQL++ on Windows XP and use it. I was able to install it in Linux because the website: [url]http://tangentsoft.net/mysql++/[/url] provided an RPM that built the libraries for you. As far as I can tell, no such thing is supplied for Windows. Supposedly, MySQL++ … |
| | Hi, I am working on a project wherein one program writes to a file, but allows a different program to read from that file BEFORE the first program is finished writing to it. In this project, the first program is a game. When someone scores in the game, that activity … |
| | Can anyone tell me how I can read the resistance between pins 4 and 6 of the serial port using VB or c++? |
| | I wrote a program to calculate a loan, the program compiles and works fine, but I get an answer I do not understand. The answer comes out "$1.#J". I am pasting the code here I am using, I am not worried about the code it is a pretty simple set-up … |
| | I have a two part assignment. Part one is to create a menu driven program using variables to do certain tasks. Part two is to convert the variables being used into 2 arrays. The code for part one is post below and works perfectly for everything that is required. My … |
| | Hi everybody :) I have a big problem with embedded Python. I develop a plugin for a C++ application and want to "teach" this app Python Scripting, that users are able to script their own functions. the App = The C++ Application plugin = my plugin I develop for the … |
| | [url]http://www.informit.com/articles/article.aspx?p=1192024[/url] |
| | [B]Game I am about to make:[/B] Coins are randomly drawn from a set of possible coins and arranged in a line. Two players alternately remove and collect a coin from either end of the line. The game ends when all the coins are removed and collected by the two players. … |
 | The program as it is generates: [ICODE]>Parent1 >Parent2 >In Child >Parent3 Successfull...[/ICODE] If I remove the comment from line 31 - just below "//THE PROBLEM:" so the "gets(buff);" is executed it gives: [ICODE]>Parent1 >Parent2[/ICODE] and... waits (both parent and child processes running - both waiting). I would like to be … |
 | [code=cplusplus] #include<iostream> #include<string> #include<vector> using namespace std; int main() { string a; vector<string> b; vector< vector<string> > s; while(cin>>a) { b.push_back(a); s.push_back(b); cout<<s.size()<<endl;//A1 cout<<s[s.size()-1]<<endl;//A2 } return 0; } [/code] Any problems with this? If line A2 is deleleted,the program can run.So I think s does exist,but when I add line … |
| | Please help i'm trying to click on the screen just inside the box coordinates of (x,y) but it clicks everywhere on the screen!! [code=cplusplus] void cursorpoint() { #include "cursor.h" int x ; int y ; //x will have the x position and y will have the y position of mouse … |
| | Hey, Say if i made a program where people could register a account, but if they closed the window, the program would close and not remember passwords yeah? Well if i used the open file etc could i save the password's to a file so it remembered them? Many Thanks. … |
| | Hi ALL I am Srinivasan S Saripalli. I have a VC++ doubt which I have notified below. Hope you can give me a solution. I have developed a ATL,COM 32-bit Service and in the Service I am implementing Timer functionality using either `SetWaitableTimer` or `CreateWaitableTimer`. When I compile my Service …  |
| | Hello All, I am trying to write a program that gets input from a USB Tv Tuner and records/captures images for further analysis. Could someone point me in the right direction and tell me what I need to do to enable my program to read in from a USB port … |
| | I need help with adding a structure that allows user to enter name-score pairs. I also need help in modifing my sorting and average calculating functions so they take array of structures with each structure containing the name and score of a single student. In traversing the arrays, use pointers … |
| | Hi, first time poster here and I am trying to run the Twofish implementation that I found online. I have a very basic knowledge of C++ and I am only trying to get these files to run so that I can analyze encryption times and decryption times for a class … |
 | I'm writing a program that opens another console application with redirected input and output handles. I don't get any errors when I run this, but the console closes immediately, despite the system("pause") at the end. With the current solution, I have it redirecting to files, but another solution using pipes … |
| | [code] #include <stdio.h> #include <dos.h> #include <conio.h> int main() { int i; printf("CMOS Dump (format [address=value])"); for(i=0;i<128;i++) { outp(0x70,i); if(i%8==0)printf("\n"); printf(" [%2x=%2x] ",i,inp(0x71)); } } [/code] This program compile but not run ,it give runtime error. How to solve it?? |
| | does anyone know the code to output "Wrong password final try" on a 2nd unsuccessful password input? and then make the program go back to the default start position for the program below? [code] #include <cstdio> #include <cstdlib> #include <iostream> using namespace std; static const int password=1705898; int main() { …  |
| | Hi everyone, Please bear with me this is my first post here at daniweb. I usually develop in C or assembly for embedded systems, but occasionally I have need to develop a PC application using C/C++ and have relied on Visual Studio C++ 6.0. Unfortunately I recently purchased a laptop … |
| | Hi, I'm getting seg fault in this [code] #include <iostream> int main() { char *p; *p='w'; std::cout<<p; return 0; }[/code] I'm sure it is due to the line [code] *p='w';[/code] I interpret this line as [QUOTE]Value at address p = 'w'[/QUOTE]. I would like to hear an explanation on why … |
| | Python has some nice features for working with paths: [url]http://docs.python.org/lib/module-os.path.html[/url] Does anybody know of any C/C++ functions, techniques or libraries to do something similar? For example, if I'm passed a path on the commandline as such: x = "~/mystuff/../myfile.txt" In python I could get the absolute path as such: os.path.abspath( … |
| | [code] #include "stdafx.h" #include <fstream> #include <iostream> #include <string> #include <cmath> #include <iomanip> using namespace std; const string ID = "- CS 1361, Spring 2008 - Lab 39"; void PrintDblArray (double[],int,ofstream&); int Smallest(double[],int); int main() { int i; double n, arr[50]; ifstream fin; ofstream fout; cout << "Running Lab 35 … |
| | i need to hash and generate a salt value of the password which input by user and save it to a file. i understand how to create a txt file, but i don understand how m i going to hash and generate a salt value from the user input? this … |
 | i have this data..but how to sort the data in descending order together with the examid? [U]examid total[/U] 1: 25 2: 20 3: 46 4: 56 5: 12 6: 22 7: 20 8: 18 |
| | Hello all, this is my first post here. I've been working as an assistant product manager at a software developer for 18 months, and I'm looking to put my resume out there within the next 6 months, as a either a product manager, or as an APM in a larger … |
| | [B]Define the class Student which has name (char name[20]) and age(int). Define the default constructor, member functions get_data() for taking the name and age of the Student, print() for displaying the data of Student. i hv tried it.. am new to this language, am learning, this is what i had …  |
| | Hi all Well this is my first post, and this looks like a good site to ask... Basically, i have Visual Studio 2008, without a clue on using it- My Request: To gain aid in making a program which does and has the following features- Drop down menu which contains … |
| | Hey guys, I'm working on a problem where I need to use the direct-search method to find the intervals of the roots and bisection method to find the roots of the following equation x^3-3.5x^2+3.48x-0.85. Here is the code I have so far, the problem I'm getting is when the code … |
| | Hi ALL I am Srinivasan S Saripalli. I have a VC++ doubt which I have notified below. Hope you can give me a solution. I have developed a ATL,COM 32-bit Service and in the Service I am implementing Timer functionality using either `SetWaitableTimer` or `CreateWaitableTimer`. When I compile my Service … |
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