229 Topics
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| | The program below is written in C and creates a structure that holds the values of a text editor. This structure is beneficial during the development of text editor applications. Let me know if you find the code below helpful and if you have any additional suggestions: /*----------------------------------------------------------- * Description: …  |
 | Requirements: Use a class, an array, file input/output. Goal: Compare the student answers (.txt) to the answer key (.txt) and output the students name, missed questions and overall score to a .txt. Firstly, is my design decent? What I need to do now is to compare student answers to the …  |
 | Most common quiestion is: [quote]Is there any C++ GUI API?[/quote] My answer is MANY. There are many API's for making GUI applications. Here are some. [B] 1. WinAPI: (C based)(MFC is C++ based)[/B] [I]Its a great API and the best solution if you are windows programmer. First code will look …  |
| | Please help me figure out what is wrong with my code... [code] #include <iostream> // required to perform C++ stream I/O #include <iomanip> // required for parameterized stream manipulators using namespace std; // for accessing C++ Standard Library members //declaration of calculateAverage function-template prototype template <class T> T calculateAverage(T dataValue[], … |
| | Can anyone please look at code and tel what is issue in Laptop::Laptop(int wdSize, int memSize,int storSize, int spee,int wid, int hei , int len , int wait ) { Computer::Computer(int wdSize, int memSize, int storSize , int spee); width=wid; length=len; height=hei; weight=wait; } Computer::show(); which is a base class … |
| | Can anyone please tell me what is the problem in my code: void Laptop::show() { Computer::show(); cout<<"weight is="<<weight<<endl; cout<<"height is ="<<height<<endl; cout<<"length is ="<<length<<endl; cout<<"width is ="<<width<<endl; } I am unable to call Computer::show(); function in Laptop::show(); function.Compiler says to use . or -> operator i am unable to understand. … |
| | Greetings: I am having some errors on this code: Any ideas what is missing in the code? Thanks, Dani ` #include<stdio.h> void func_count(int); int main( ) { int i, num; for(i = 1; i < 21; i ++ ) { scanf(“%d”, &num); if(num < 1 || num > 6) printf(“Error: …  |
| | can someone tell me whats wrong with it or what i should do? #include <iostream> #include <iostream> #include <string> #include <fstream> #include <vector> using namespace std; List storage[50]; int e = 50; int intro(void) { int userChoice; cout << "Enter 1 to checkout or 0 to end checkout."; cin >> …  |
 | # Introduction # It allows all programs to potentially operate on data managed by this engine. Its structure is similar to Windows Registry with a difference, that it also supports BLOBs and its size is not limited. It could be used instead of filesystem directly. The equivalents of registry keys … |
| | Hello All! I am having trouble with my C++ code. The problem is that my code isn't giving me the correct logic outputs, Also, my teacher said to MUST MAKE the output look like this : P and Q : T P or Q : T P --> Q : … |
| | Hello, The reason why im asking for this is becouse im currently making a project that needs data storage. And sqlite seems to be perfect for that matter. I've already read the documentation of Sqlite3 but i found that insufficient. It didn't really explain much besides the obvious. I can …  |
| | IplImage *in; CvMemStorage *storage = cvCreateMemStorage (20506); CvSeq *contours=NULL; CvPoint *PointArray=NULL; for() { //image processing and feature extraction code here cvClearMemStorage (storage); //clear memory area free (PointArray); cvReleaseImage (&in); } At the end of each iteration i ma releasing memory but still i get memory shortage error after # processing …  |
 | ##Why Use Arrays?## Let's begin by considering why arrays might be needed. What is the problem that this feature solves? How does it make your life as a programmer easier? When studying new features, it's important to recognize what that feature does for you and where the incentive is in …  |
| | Hi Team, i have done how to store values from database to Hashtable collection and then able to retrive the hastable data as per specific key from the hashtable. please help me how to do in c++ for the same. please let know which collection is used in c++ and …  |
| | So im posting this here and not under game development because this is more of a problem solving question, not directly game related. Im making a simple RPG using xna. Im currently working on collision detection, however running into difficulty. I can successfully check for a collision between the player … |
| | Through programming experiment prove your claim for float storage format?  |
| | hi can anyone help me i am trying to get a random character generator which generates 10 characters in ASCII range and then cast them into characters heres my code but its not working. it says error C2440: '<function-style-cast>' : cannot convert from 'std::string' to 'char' heres my code [code=c++] …  |
| | I have a .csv file that could have anywhere from 50 rows to over 10,000. The first 32 rows (geographical header information) will always be ignored. The 2nd column of data will have 0.00 for (x) rows. Once that column starts to read a value I want to start storing … |
 | Hello, First of all some background. My friend and I are having a bit of a competition over theoretically infinite number storage. We have agreed that the first person with a working arbitrary precision integer library with the theoretical ability to store an infinitely large number (IE: if the hard … |
| | Hello, As may be apparent from my previous posts, I am in a "If its worth doing, its worth overdoing" sort of competition with a friend of mine. Our goal is arbitrary precision integer arithmetic. I think I am close to getting the data storage working, but now I want … |
| | Hello, I made an arbitrary precision integer library a few weeks ago. It works well, but is bounded by `256^(8*sizeof(size_t))` because it uses a simple dynamically allocated array to do its work. I want some way to have theoretically unbounded storage. I think that file io is probably best, but … |
 | [Click Here](http://s16.postimg.org/rjkqfahp1/faulty1.png) I thought after the function call of gen_aux before the loop, the static call on the type for r should have make it declared. but why not? how static really works? this is what it's explained in the books:- static type variable; For local declarations, declares variable with … |
| | Please Help me This Question On computers using the Intel 80n86 series of processors there are two different ways of storing an address. These may be called near and far . A near address requires 16 bits of storage whereas a far address requires 32 bits of storage. An actual … |
 | I'm designing a embedded system and we have to oftenly report system fault in different code module. So I decided to create a source file to keep the error log and I'm building a struct for that. So that, every module reporting the error log and store in a data … |
| | I am having a hard time trying to run this excercise. This works great up until the direction to declare the member functions Once declaring romanType member functions protected: ___________________ class romanType class romanType { protected: void storeRomanInput(char RomanNum[25]); void convertToDecimal(char storage[25]); void printAsRoman(); void printAsDecimal(); }; I am unable …  |
| | hey... I'm coding a program for my school project and i have come across a very different problem!! I was using graphics.h in my program... everything is running great.. even graphics are doing well... but after some time... that is after some input... the size of the text shrinks... and … |
| | I have been pondering this task for awhile now and I just can't get it to work. I am trying to get the function readParameters to read the text from a .txt file and transfer them to the specified variables. I have managed to eliminate almost all the warnings but … |
| | Good day! I am currently developing a notepad storage to hold the players information! In notepad I have this data: Where data is seperated by a comma. First is the playerID, PlayerName, PlayerScore. 202, Andrie Velez, 4500 203, Joseph Josh, 3500 200, Carl J0sefana, 4000 Ive created a sample code …  |
| | im using this code to detect face features,it works properly but after sometime of its run,video frame pauses and stops responding. im running it on microsoft visual cpp 2008 #include "stdafx.h" #include <stdlib.h> #include <stdio.h> #include <math.h> #include <cv.h> #include <highgui.h> #include <conio.h> // A Simple Camera Capture Framework const …  |
| | I am having trouble with this assignment, especially the input file and how to get the data into an array: You will design a set of classes for storing student information, along with a main program that will read student information from a file, store the data, compute final grades, … |
| | I am currently working on kind of multi-graph structure. The thing is that two graphs are needed for my application which span the same vertices but with two distinct set of edges (i.e., a multi-graph). The first graph is a binary search tree, while the second graph must be general … |
| | So i was simply following one of the opengl tutorials - http://nehe.gamedev.net/tutorial/loading_and_moving_through_a_3d_world/22003/ So everything works completely fine except one thing, when i load in textures with SOIL lib its not completely correct, but with GLAUX lib it works just fine but i dont prefer using GLAUX. Here is what i … |
| | I am having some proplems with my code - I am told to create a mouse and apple game and I am having some trouble with using the array in different funtions. Here is a short version of my code - //defining the size of the grid const int SIZEY … |
| | **Hello there! I have been learning c++ for now 6 months and when i started my goal was to use it whit openg or something similliar I made long, long list and its here:** *I learned this stuff from....YOUTUBE! from user called antirtfm and thenewboston and heres the things that … |
| | I Want To Make A Utility Like The Old DOS Command "rdisk" In C++. The Things I Want It To Be Able To Do Are: WIN: Be Able To Specify The Drive Letter (Like rdisk's /:Z) UNIX: Be Able To Specify The Mount Point (/mnt/rdisk or /media/somthing, etc) BOTH: Make … |
| | Hello i need help with a program which allows the user random read access to any entry of the array. If the user attempts to read outside the useful region, your data structure should return a 0. Also It allows the user random write access to the useful region only. … |
| | Hello This program uses a dynamic array , which shifts x elements to the right. the program works, but my question is whether i defined shift_elements(int index,int pl) in the right way or is there a different way to do the function in the main() thank you [CODE]class MyArray { … |
| | I'm writing a program that is supposed to search an array between the values of -1000 and 1000, as well as sort it using the 3 different sorts (bubble, insertion, selection). I have the searching part done, but my bubble sort isn't working right. It seems right in my head, …  |
| | Hello, my problem is, i´ve created a windows program that plays a sound with playsound function from mmsystem.h and then starts a timer that works with getsystemtime and the _systemtime variables. First, the sound is started with the playsoundfuction, and inmediatly after, the getsystemtime stores the current time in a … |
| | Hello, I'm working on a game, and for this game, I created a class. There is one object of this class for each player in the game: [CODE]class PlayerClass { public: PlayerClass(Nationality); // Constructor ~PlayerClass(); // Destructor sf::Sprite PlayerFeet; sf::Sprite Arms; sf::Sprite Body; sf::Sprite Head; int HitPoints; GameClass CurrentClass; }; … |
| | Hello everyone, Like the headline says, my computer goes crazy when I run this program. The problem did not occur until I added lines 80-83. When the program is run, my computer starts beeping and weird characters show up on the console. Any thoughts on the problem and why it …  |
| | Help! Why am I getting the following error on line 100?? I don't get an error when I use storage in other places? error C2065: 'storage' : undeclared identifier [CODE]#include "utility.h" struct masterFile // master file record { int employeeID; string employeeName; string departmentID; int YTDhoursRegular; int YTDhoursOvertime; double regularPayRate; … |
| | I am a beginning at programming and need to know what I am doing wrong with this code. I keep getting error codes on undeclared variables, storage types, etc. [CODE] #include <iostream> #include <iomanip> #include <string> #include <cctype> const int ARRAY_SIZE = 100; void InputData(string, int[], int &); void DisplayPlayerData(const …  |
| | Hey guys, So I have to convert my previous code into a code using pointers and dynamic storage and the problem is, I have no idea how. I have already read on another forum's examples of Pointers and watched a few tutorials (simple ones) and read from my textbook. Unfortunately, … |
| | Hi forum, I just need help on my code. I am trying to find all the Armstrong numbers from 100-999(i.e. when the cubes of three digits added together equal the number - 1^3 + 5^3 + 3^3 = 153.) My code works until it gets to line 93, then it …  |
| | Here is my problem: 1) I have a tree which I want to act upon some branches indepedantly and simultaneously by different threads 2) The program is structured so that the processing of each branch is isolated after the main "manager" thread delegates the work to different thread: memory of … |
| | Ok, I worked on my code so that I can repost it here. This is what it has to do. I also need a static cast which I am not sure where to put it. Thanks for any help!!!! Users should enter each number at an input prompt, then enter … |
 | can anyone see why the status.health wont take away the 20 ???? [CODE]#include <iostream> #include <string> // To allow use of Strings. using namespace std; //char inventoryRequest = 'i'; //Function Definitions. void displayInventory(); void displayStats(); void statsObject(); void gameOver(); void stats(); void inventory(); void exitGame(); int playGame(); class status{ public://Access … |
| | Howdy, I have a few questions regarding the use of ctime within a class. I followed the example on [URL="http://www.cplusplus.com/reference/clibrary/ctime/strftime/"]http://www.cplusplus.com/reference/clibrary/ctime/strftime/[/URL] When the program is like this, it works: [CODE] #include <ctime> #include <iostream> using namespace std; int main(){ time_t current_seconds; current_seconds = time(NULL); //Fills current_seconds with the number of seconds … |
| | I have multiple errors in my code that I was just working on, the errors are as follows: Here is my build log: monsters.h:11: error: storage class specified for field `enemyattack' monsters.h:11: error: ISO C++ forbids initialization of member `enemyattack' monsters.h:11: error: making `enemyattack' static monsters.h:11: error: ISO C++ forbids … |
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