2,025 Topics
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 | A [URL="http://bit.ly/appcelerator_idc_q4_mobile_developer_report"]new survey[/URL] jointly conducted by Appcelerator® and International Data Corporation (IDC) released September 27, 2010 reveals Appcelerator Titanium developers favor Android over iOS in TVs and other devices.[ATTACH=right]17397[/ATTACH] Although the market shows that Apple currently leads in iPhone/iPad sales and popularity, the survey reveals that of the approximately 2,300 …  |
| | Hi, I really need help with understanding how to solve an exercise. Create a new textfile with the name 'studentinfo.txt' and write following and save: Marie Anderssen 29 Alexander Lind 35 Gholam Payro 32 Zlatan Ibrahimavic 26 Write a program that read the information from 'studentinfo.txt' and calculates the average …  |
 | News reports suggest that March has been a good month for lovers of, and developers for, the Android operating system in pretty much every regard. That good news comes at the expense of the Apple iPhone and iOS we are led to believe, which appears to be losing the fight … |
| | So we were offered a job yesterday, which involved developing a mobile app targeting multiple platforms. They need the code to be as cross-platform as possible, so I think that C++ is the way to go as far as the infrastructure is concerned, and then we write wrappers in other …  |
 | [ATTACH=RIGHT]19552[/ATTACH]Hey folks, Apple has [URL="http://www.apple.com/ipad/"]launched the iPad 2[/URL] with some pretty cool improvements... The new pad gets: [LIST] [*]New Dual-core A5 processor = up to 9x faster performance, better graphics [*]New, thinner design = 33% thinner and 15% lighter [*]Two cameras (front and rear) = FaceTime, HD video shoots, Photos, …  |
| | Hi there guys I am having trouble with a particular input in my program. If you will run my program and enter the word "IT" in Enter Course, it loops and jumps to do you wish to return to the main menu. Please use Microsoft Visual C++ 6.0 Professional Edition …  |
| | Hello everyone, this is my very first post in this webpage so here we go. I've got this problem with my hw assignment, it's almost finished except for one part. The hw is as follows: - Create an address book, creating 4 text files in the computer memory. Each text … |
| | Hi there guys I am looking for a way on how I can increment an object from a structure which is an integer type. the string types I have Increment well but the int types do not. it says int[int] is invalid for array subscript. The red font on my …  |
| | Guys I need help. When I am already done inputting the needed information, when it comes to outputting file stream to a notepad it stops and says "program.exe has stopped working. windows is checking for a solution" and there is a loading bar. please help i don't know what I …  |
| | Hello all! I'm having problems with running c++ on iOS. I have a iOS openGL project in Xcode 4 and an external library written in c++ that has to be a dependency to the iOS target so it can run on an Ipad. right now I'm testing with the iPad … |
| | I had a problem with some program I wrote that edit specific values within a specific file. When I saved the values, using fstream's write() function, everything between these values became null. I've looked again in the I/O tutorial - [URL="http://www.cplusplus.com/doc/tutorial/files/"]http://www.cplusplus.com/doc/tutorial/files/[/URL] and saw that they use memory block at the … |
 | Hey people. Been having a problem when trying to use .gif files as images for sprites. When I try to use one, I get an error such as: [CODE]Documents/Code/Cocos2D/Cocos2D/Player.png: No such file or directory[/CODE] But in the code, I am calling for the picture "Player.gif" to be used, as you … |
| | Hi I have a problem with a code I made, some save editor for some game. The code suppose to write 2 bytes to a specific offset in some file. The file's short integers are saved as little endian. everything works fine, but when one of the integers equal 10, … |
 | This is my final project for my C++ class online. I was instructed to make a test and to pull answers from withing a .txt file and compare them to the answer that the user inputs. I'm sure there's a much easier wau of doing things than the way I'm … |
| | help me please :sad: if you can find out what's wrong w/ my program, please do tell. thanx very much! #include <iostream> using namespace std; void get_start(int start_hour, int start_min) //Precondition: User is ready to enter the values for the hour and the minute. //Postcondition: Values in hours (24-hour notation) …  |
| | I am new to c++ and i am supposed to do a test case using my stub with hand calculated mean & standard deviation of number of students that are saved in the .o file in linux. my code is [code] #include <iostream> #include <fstream> #include <cmath> using namespace std; … |
| | Hi, i am sure most people here are subscribed to some feeds to keep up with the news, i am subscribed to around 8-10 feeds, and they give me 300+ updates everyday, but i am only interested in about half of them.. some of them are the next web, tech … |
| | Hi! Using string, ifstream and ofstream object. Compiling - ok, but give a run-time error after printing Name in ReadData() function. My Person class include only one string member "name" and function "Name()" which return string object "this->name". And constructor with string parameter of course... [CODE]#include <iostream> #include <fstream> #include … |
| | Hi. I'm trying to delete a line from a Db file that I've created. I'll explain: I'm making a Db of people, which is consisted of id, first and last names - each one in a different line. When I want to delete a record, I wanted to copy the …  |
 | Hi, I have a piece of code, which gets a string of code from a webpage. It's the HTML source code, from which I want to make an array, in which I can find data the user will input. However, I need to extract all the useful information from the …  |
| | I've tried but I don't understand how to use void, can someone please try to explain how it works in a simple way. [CODE] #include<iostream> #include<conio.h> #include<iomanip> using namespace std; float areacalc( float rad); float circumcalc( float rad); void output(float A, float C); void input ( void ); float radius; … |
| | I'm a newbie at C++. I can't figure out why my program won't build. Could someone please help? I get the error [QUOTE]1>LINK : error LNK2001: unresolved external symbol _mainCRTStartup 1>c:__namestuff__.exe : fatal error LNK1120: 1 unresolved externals[/QUOTE] [CODE]// File : name.cpp // Description: Does stuff with stock // Programmer: … |
| | Hello, would like to ask about this problem im facing. [code] #include <cstdlib> #include <iostream> #include <fstream> #include <ios> #include <string> #include <string.h> #include <vector> #include <sstream> #include <algorithm> #define MAX_MSG 30 using namespace std; vector<UserInit> ReadUsersInitial() { fstream file ("Users_initial.txt"); FILE *file1 = fopen("Users_initial.txt", "r"); string tempFile; if (file.good()) …  |
| | Rumor has it that Osama Bin Laden received his new iPad 2 and instantly became target #1. That's right Mr. Al Qaida, had you [URL="http://www.daniweb.com/hardware-and-software/apple/ios-iphone-os/news/361140"]read the editorial threads on DaniWeb.com[/URL] you would have known that Apple is watching and recording your moves. In a heroic effort to end that war … |
| | I have written the following program. It collects inventory information and stores it in a file. I need to write a separate program that will access that file and give me the totals of the information stored in it ie. (quantity,wholesalecost,retailcost). What I'm specifically having trouble with is how to … |
| | the aim of this programme is to create a .txt file (of which the name is specified by the user) of all the items in a certain directory (also specified by the user) the problem is about half way down, the 'mydir' bit [CODE] #include <iostream> #include <fstream> #include <string> … |
| | I have another problem... Let's start with said code: [code] #include <iostream> #include <fstream> //I have tried using fstream.h like my teacher instructs me to do/ #include <cstdlib> //but it gives me another error: see below, in actual post. using std::cout; using std::cin; using std::ios; using std::endl; //using namespace std; … |
| | ookay people, here is the code c++; im trying to read BMP image file. [CODE]#include <iostream> #include <fstream> using namespace std; void listing (void) { unsigned char pixel; int x, pix; ofstream debug("debug.txt", ios::out); ifstream inpaint( "source.bmp",ios::binary); if(!inpaint) { cout << "File not opened\n"; exit(1); } for(x=1; x<=54; x++) { … |
| | [CODE]string currentUser() { string user; ofstream outf("CurrentUser.dat", ios::trunc); system("whoami >> CurrentUser.dat"); outf.close(); ifstream inf("CurrentUser.dat"); inf >> user; return user; }[/CODE] This is a function that gets the name of the current active user. It creates a data file, with the contents being the username. The problem is, to create a …  |
| | Hello, I am trying to read exact 2 bytes from binary file, and transfer it to int, whatever is it 2 or 4 bytes. Atm on my computer is 4 bytes. So I have two bytes into four bytes scenario. I am using this code [CODE]ifstream in_stream; in_stream.open("test.dat", ios::binary); streamoff … |
| | I have said program: [code] #include <iostream> #include <fstream.h> #include <conio.h> using std::cout; using std::cin; using std::ios; using std::endl; int main() { char first[6]; char middle[16]; char last[16]; int counter = 0; char temp; cout << "Please enter your first, middle, and last name:\n>"; cin.get(first, 6); cin.ignore(80,'\n'); cin.ignore(80, ' '); … |
| | [CODE]double speedTest() { double dInitialTime = clock(), dFinalTime = 0; double dRepititions = 99999999; double dResult; cout << "\nCalculating...\n\n"; for(int nCounter = 0; nCounter <= dRepititions; nCounter++) { pow(dRepititions, pow(dRepititions, dRepititions)); } dFinalTime = clock(); dResult = dFinalTime - dInitialTime; ofstream outf("Results.dat", ios::app); outf << dResult << endl; return dResult; … |
| | I don't know what I'm doing wrong but I open my filed correctly but it doesn't display the contents in the file. Please help. [CODE]#include <iostream> #include <fstream> using namespace std; int main() { const int SIZE = 81; char input[SIZE]; fstream dataFile; dataFile.open("info.txt", ios::in); dataFile.getline(input,SIZE); system("pause"); return 0; }[/CODE] |
| | alright I need help and at this point I am desperate. Been working on this for a couple of days, mostly typing and then hitting the Edit/undo! This is a homework project. What the project is supposed to do is: 1. open a text file(einstein.docx) 2. Prompt user for a … |
| | Ok, so this is going to be a basic question that I should probably know, but it's baffling me right now... Also, be prewarned that this is a homework assignment I'm working on. I don't want answers, just guidance. I understand what I need top do(for the most part. obviously … |
| | Hey. My program wont write the input data to file. It seems like the userdata variabels doesnt get updated after input from the user. Can anyone see what i have done wrong? This is what i have done so far: [CODE] // userdata.cpp // class userdata store user information #include …  |
| | Ok, I've been trying to run this program on Borland C++ (Version 5.0A). The program is a Point of Sale program. I keep getting the errors "expression syntax at (121,26)" and "If statement missing ) at (129,6). Try as I might, I can't seem to fix the errors. Help? [CODE] … |
| | Hello, I have spent numerous hours re-working this code and I hope someone can clear up my confusion! This program asks the user to enter a file name which will then create and display that file with a poem in all caps. The user is again prompted to enter another … |
| | This is a part the extension module im writing for python using c++. ( The complete source is available as an attachment ) [CODE] #include <python2.6/Python.h> #include <iostream> #include <fstream> #include "structmember.h" using namespace std; typedef struct { PyObject_HEAD fstream file; } CppFileObject; static int CppFile_init( CppFileObject *self, PyObject *args … |
| | [code]ofstream f; char c; f.close(); f.open(s.c_str(),ios::out); if(f.is_open()) { cout<<"Press <q> to save file"; char *text; int count=0,count1; while(1) { system("stty raw -echo"); cin>>c; cout<<c; system("stty cooked echo"); text[count]=c; ++count; if(c=='q') { text[count]='\0'; while (text[count1]!='\0') f.put(text[count1++]); f.close(); break; } } [/code] please help me out in this syntax i was not …  |
| | hello, I'm almost done it, but I'm lost in the huge forest of c++... so, here's my code: [CODE]#include <iostream> #include <fstream> #include <time.h> #include <stdio.h> using namespace std; int gettime() { time_t rawtime; struct tm * timeinfo; time ( &rawtime ); timeinfo = localtime ( &rawtime ); } int … |
| | So I have the code written, and it is compiling fine. But for some reason, when I compile it and it displays the results, the way it displays isn't the way it should be. It is supposed to pull information in from a binary file. Here is the link to … |
| | I am trying to create a program that, after inputing a text file, can: 1) Count number of lines in the text file. 2) Count number of words in the file. 3) Count number of characters in the file [B][U]including[/U][/B] white spaces. 4) Count number of characters in the file … |
| | Hello all, I am trying to debug some code that I have come across. It is an array based BST, and I can not figure out why the parent's are not being recorded correctly. Essentially the first few inserts work, and then the parents become incorrect. Can anyone give me … |
| | i am writing a decryption program that reads a file from another project solution and decrypts it then writes it to a new file in its own project folder. For some reason when i try and read the file in the program says that file doesn't exist. Im pretty sure … |
| | A file filter reads an input file, transforms it in some way, and writes the results to an output file. Write an abstract file filter class that defines a pure virtual function for transforming a character. Create one subclass of your file filter class that performs encryption, another that transforms … |
| | hello am doing a library program. i am almost done with it. but now my problem is i have to make the record update section work as each of the record can be updated separately. so far i think of making another menu and do it like that. now my … |
| | hello frndzz... just wrote a piece of code in c++....bt this didnt create any .DAT file as expected.....dun knw wats wrng.... #include<fstream> #include<iostream> using namespace std; class person { int age; char name[40]; public: void get() { cout<<"enter age:"; cin>>age; cout<<"enter name:"; cin>>name; } void show() { cout<<"age is:"<<age<<endl; cout<<"name …  |
| | okay i've got a problem with this code its going to be a apart of a word guessing game, the problem is that my code reads the file i want it too, but when i ttry to guess the letter it will only read the first letter, i know that … |
| | Hello, im a noob with C++ at the moment and Im trying to create a BMP image from pixel data stored in a array. Everything seems to work except that when i look at the file generated in a hex editor i get an extra '00 00' in between the … |
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