51,593 Topics
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| | Hey everyone. I have a question about trying to delete successive elements from an array. For example im trying to delete every other element. Lets say my size is 10, so my elements are 0,1,2,...9. Heres what I want my output to look like: 0 1 2 3 4 5 … |
| | Hi Everybody, I have succeeded in parsing the values I needed from a text file and storing them in an array. The script I've posted works as a function, but now I tried to put it in a class and I can't figure out how to define the constructor. The … |
| | could i get help with the syntex on reading a file to an array in c++. all the examples i see are more |
| | sir i want to lock with password protection to my '.c' files.how i can do that. please suggest sir. thanks  |
| | guys iam new to c++ ,i even dontknow what are the tools to use develop c++ aplications so if sny body know tools like that (c# MS visual studio,java netbeans) pls let me know. and ma problem is i need to creat a link list on c++ .and i googled … |
| | Consider a collection of songs in an MP-3 library where each song is characterized by artistName, songTitle, albumName, playTime (in seconds), musicCategory, and albumProducer – hence, you will need to use a struct data type to hold a song and an array of structs to hold the song collection. The …  |
| | ok i cam writing a class named fraction to add subtract multiply and divide fractions and it also compares them. This is my first time writing a class and also the operators are suppose to be overloaded. I think i did them right. I just need to figure out why …  |
| | I have command line c++ project for my final project of my course. I've decided to go a little further than the course intends and write a class for creating an uncompressed bitmap picture file. As an initial exercise I decided to create the 2x2 pixel bitmap example from Wikipedia. … |
| | Hello. I'm just starting out in C++ and am trying to figure out how to split a users string input into individual words and then put each word into a slot in an array. I think it's going rather well, but I'm running into some problems, and it would be … |
| | We got to get this to compile and I really need your assistance! I got sick last week and missed the lecture on these subjects and it took all night but here it is..... almost done.... but the assignment specs below say that it HAS TO COMPILE OR I FAIL! …  |
 | Hey Guys, I have a header file I downloaded for an application (actually about 20 header files). Most of them can be opened fine, but I get errors on a couple that say: [QUOTE]fatal error C1083: Cannot open include file: 'Transport.h': No such file or directory[/QUOTE] I've checked, and the … |
| | Hey I have to write a program that will input the name of the text to be edited , name of the file that will hold the edited text, the data to be replaced (data1) and the new data which will replace the old (data2).All occurrences of the data1 to … |
 | I have recently started to write my own tiny little electronic-book. This e-book is not about teaching C++ from ground up, but it is a collection of C++ pieces that I have learnt during these past few years that I want to share with everyone. I call this e-book "[B][I]C++: … |
| | i need ur help sir i m asked to develop a small educational software package using c++ package must be a set of 5 multiple choice questions answers to which will be correct nearly correct wrong obviously wrong on completion of the test core must be displayed.... plz help me … |
| | #include <iostream> using namespace std; int main() { int age; for (int i=0;i<5;i++) { cout << "Enter :"; cin >> age; } int *sum=&age; for ( i=0;i<5;i++) { cout <<*(sum+i) << endl; } return 0; } here is one of my program that i wrote. i do not know whats … |
| | Here is the code I have but it refuses to remove non letters,digits being read from a file line by line then each word in a line still what is wrong with it? [CODE]#include <iostream> #include <fstream> #include <string> #include <sstream> #include <algorithm> #include <cctype> #include <functional> #include "BST.h" using … |
| | I have a Date class. In this class :(Date.h) [code]class Date { ... public: static Date creatDate (char *stringDate) .... };[/code] Date.cpp: I want to creat an array like this: [icode]stringDate[2][12] = {{31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}, {31, 29, 31, 30, 31, 30, …  |
| | I am trying to establish TCP/IP communication between DSP(that runs Code Composer Studio, an IDE to compile and run C code) and Host PC(that runs VC++ application). While i am sending the data from CCS to VC++, "Retransmission timeout" occurs, and at another instance "Persist timeout" occurs which stops the … |
| | Does anyone know how to add custom .dll and .h files to projects in Visual C++ 2008?  |
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| | hi i have completed my project on disk scheduling using graphics & i am thinking of creating a little graphical user interface but i am confused on how to go about it.....(i have done my project on dev c++ using winbgim).....tell me how to create a less complicated graphical user … |
| | Hello all.. Sorry because Im opening this stupid post.. The reason why I make this stupid thread because I need some advise and help for me the beginner.. I want learn how to create a programme.. I had download Microsoft Basic c++ 2005 about 3 months ago.. I surfing in … |
| | Hey guys. I have a two part homework assignment. It involves reading a text file, creating a structure, and writing the results into a new text file. I have completed the first program and according to my TA it is 100%. My issue is I ran into a mental block … |
| | I have to write this program that opens a file then sorts all these numbers in different ways. I plan on using the insertion method cause its one of the fastest, so that shouldn't be too difficult. But when you look at the text file its got spaces and numbers … |
| | I don't know what in the world I'm doing wrong but I'm sick of staring at my screen and debugging over and over again. It's been a while since I've used C++ so I'm a bit rusty. I'm working on a database project that is supposed to implement a hash … |
| | i got errors hello.cpp:27: error: expected primary-expression before ??token hello.cpp:29: error: expected primary-expression before ??token hello.cpp:31: error: expected primary-expression before ??token what's wrong!? help me!![code]#include <iostream> #include <iomanip> #include <cmath> #include <fstream> using namespace std; void minMax(const double [], int, double&, double&); void numMeasures(const double [], int, double&, double&); void … |
| | Anyway It seems to work fine it allocates space for everything.. But it does not put the value in. I have tested the value one statement before it is passed as an argument to the function and yet when I test it afterwards all the values are zero. So I … |
| | I'm trying to write a function that accepts two type double parameters. The function is suppose to be calculate and return a base number raised to an exponent (using recursion), but I can't use the pow() function itself. I've got it working fine without using decimal format numbers, but i'm … |
| | Ok so, I'm new to allegro, and I'm trying to write my first Allegro problem. It's supposed to be one of those sliding puzzles with the one missing piece and you make the picture. My program worked fine when I was just outputting the background and the picture of the … |
 | Hello, I have been having a problem with the following code: [code] #include<iostream> #include<time.h> #include<iomanip> using namespace std; int main() { float average; setprecision(5); fixed; average = 100-((25/(130-(50-(130/3))))*100); cout << average << "\n\n"; } [/code] I cannot seem to get the 'average' variable to come out to exactly 79.73 like … |
| | Hi, Although I have done a reasonable amount of coding I have very little training (self taught) so apologies if this is a stupid question. I have written a basic Defect Management app which allows developers to create a release and assign defects to it. The release object has the …  |
| | What stupid basic thing am I missing? we are to read in from a file that contains 10 lines.....name, age, etc....I can read in the file ok and print out the first line....I am having problems printing subsequent lines....HELP!! lol [CODE]//Acme Personel Report //by PAtrick Nealey #include <iostream> #include <iomanip> … |
| | i know it is a lot to read..... and i have different variables to compare win - the gameboard play itself and an undeclared plr, i did that because i'm not sure what and how it should be used there (so i expected those errors), b4 i added in the … |
| | Hi, having a variable like this: [CODE] vector<Object*>* foo; [/CODE] does [CODE]delete foo;[/CODE] deallocate the memory occupied by the various Objects or does it deallocate only the vector container?  |
| | hi guys, i'm having a bit of a prolem with C++, i've been programming c# for quite a while now, so i am not a novice lol. problem -- i've created the following ofstream in my main method: [CODE]ofstream out1("array1.txt");[/CODE] however later on in the code i call [CODE]out1 << … |
| | help me~~~ what's wrong with it?![code]#include <iostream> #include <iomanip> #include <cmath> #include <fstream> using namespace std; void minMax(const double, int, double&, double&); void numMeasures(const double, int, double&, double&); void getData(fstream&, double, int&); int main() { double count, min, max, mean, var; double data[400]; count = 25; /* how can I … |
| | Add a third box to the calculation. Calculate length (L), width (W), and height (H) for the third box. Calculate the total volume for all three boxes in question. I have gotten this far but i am unable to fig out how the proper syntax should be for this. Here … |
 | [CODE]class C_Class { public: struct _Get { void foo( void ) { m_Var = 0; } }Get; struct _Set { }Set; long m_Var; };[/CODE] I like to organize my functions with get and set structures [CODE] Get.ThisThing(); Set.ThisThing();[/CODE] But my structure's functions cant access the classes members unless I make … |
| | Hi, I'm new to C++. I'm having trouble detecting space bar as an input. I'm unfamiliar with using the char data type. I've tried using ASCII decimal numbers but only detects the '.' . And I'm unsure how to go about this without using string or anything advanced. [CODE] char … |
| | I am in need of a physics engine for my game. I know that there are already physics engines out there, but I want to create my own from scratch. It's nothing more then knowing the formulas and how to implement them right? What I am asking for is what …  |
 | How do I truncate double like 99.998765 to something like 99.99 instead of 100.00? If some printf("%.2f", myDouble); gives 100 That is not what I want. Any help is appreciated |
| | I am a noob in programming and i am writing a program in Visual C++ and i want to save a screenshot taken when the program opens to a .bmp or some type of image file. keybd_event(0x2C, 0, 0, 0); I am using this to call the keyboard event PRTSC, … |
| | Hi guys, When I run this code, I got segmentation fault and i can't figure out where the mistake is? I'd really appreciate any help. thanks [code] #include <fstream> #include <iostream> #include <string> #include <sstream> using namespace std; int main () { ifstream file, dest; file.open ("arp.txt"); if (!file) { … |
| | Hi all, I'm trying to capture an event when tab is pressed in a textbox using visual studio.net, and am having a hard time. I can capture anything else, inluding the keys that are difficult like instert, alt, and the arrow keys. Here is the MSDN page that did not … |
| | Hello, How to get information about type of file which does not have extension. If I have folder named as [ABC] and also file name same as [ABC] without any extension. I am using FindFirstFile() function to get folder information. [CODE]char path[3] ="C:\ABC" HANDLE hFind; WIN32_FIND_DATA FindFileData; hFind = FindFirstFile(path, …  |
| | I need to get characters one at a time from an ofstream because I need to pass the characters into a function. This is what I was trying but it says "ofstream has no member named get". Here is the code I am using. [CODE] ofstream outFile("source.txt", ios::out); a1.prepare(inFile2, outFile); … |
| | Hello.. I want to know how to create a child frame within the existing main frame... when I just click a button i like to open a new frame.. I m using Visual Studio 2008 Experss Edition... As i m beginner to this vc++... Please help me resolving problem Thanks … |
| | I am making a racing game and am trying to find a way to let some one 'win' the game. in order to do this I am trying to display and image on the background at a certain position. This image isn't visable on the screen though until the racer … |
| | Hello All, I need some C/C++ code/calls to unzip a zip file. Please share the code/guidence. Thanks in advance, Hafeez Shaik. |
| | is there any difficulties of sorting parallel arrays?if there then what are those |
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