51,593 Topics
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| | hi, I've completed huffman coding..but there is one small issue...in my decoded file the character "ÿ" keeps appearing at random places...I checked the problem and a second parse of the input file gives some characters that are not in my tree which ends up adding a code 0 of length … |
| | When I excute my program and open up the text file, it only reads me the 1234 then junk below it. I have no clue what do. Anything is welcome. Below is my .cpp file my text file looks something like this 1234 jack hammer 75.00 .45 10 5678 Daffy …  |
| | Hey all. I've made stacks aplenty in Java before; my C++ is a bit rusty though, so I thought this would be a good project for me. Turns out I was rustier than I thought! So here's the situation: I've made classes LinkedNode, jStack, and Test. Test simply holds an …  |
| | Hello everyone...i need help with text file in c++,i know that we can append like ios::app and into a text file.....i need help in inserting a particular string to a particular line in a text file.....is that possible....So far i only knw tht it will append at the bottom of … |
| | I'm trying to read a line from a text document so I can move it into an array. So I've tried to get this to work out and it stops when it sees the "while" line. [CODE]void input (ifstream& file, int& end, string word[]) { int x = 0; string … |
| | Okay, I have this program I have to write. I think I get the basis of the idea, but I'm a little confused about parts of the instructions. Here's the instructions. [B]Write a C++ program that uses bit strings to represent sets, and finds A^B, AUB, A-B, where A and … |
| | Hello i have a quick question working on a hangman project and have most of it done but i was wondering how to count how many letters a word has in order to have the right amount of spaces wondering if a function or something exists or a link to … |
 | hi, im creating a simple game here...its a shooting game...so how can I make my program read the keyboard to control the player's movement around?tnx in advance  |
| | Hi folks, my problem is that I want to send to a Webcam connected in the port 80 of a remote machine an order to move itself from my application developed in C++. The company has sent to me this code: POST /pantiltcontrol.cgi HTTP/1.0(0D0A) User-Agent: agent_name(0D0A) Content-length: length(0D0A) Authorization: Basic … |
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| | i want to input 2 data into an array, then compare it. however, do user input the data will be minutes and seconds example : 5 minutes 30.4 seconds and 6 minutes 40.5 seconds cin >> minutes, second can i compare these two data without adding the minutes and seconds … |
| | hi guys, i have declared a char pointer. i am using this in itoa() function to convert integer data into hex data e.g [code] char * hexData= NULL; itoa(1484820,hexData,16);[/code] this results in equalent of 1484820 in hex decimal and store it in hexData. now when I want to some process … |
| | hi guys, I want to call win32 dll in C#. It has parameters encode(char *argv[]). what i have to write in in C# in the placa of char *argv[]. I have make my efforts see my code below but vain. [code] // in C++ int ConvertBinToAmt(char JFIF_NTSC_XML_File1[],char JFIF_NTSC_XML_File2[], char DestinationFolderName[],char … |
| | Is it possible for a function to return a string,an array of characters to the calling function? i mean something like char f1() { char www="nima"; return(www); } if not,please tell me how is this possible? |
| | Hey guys, well first off i'm a new member here. My question is how do you go about killing/stopping a process? Thanks, Clipper34. |
| | Can I use getline to get two lines of string data? for example: [CODE]string line; string myfile; ifstream file; file.open(myfile.c_str()); while(!myfile.eof()) { getline(myfile, line) }[/CODE] |
| | Hi, With the same GetOpenFileName(...) I have one problem. when this displays the dialog with files, the time displayed in the date field will not be local time. Instead GMT time. How I can Change this. i.e in the mobile, time is set as GMT + 5.30 New Delhi. At … |
| | Here is the header file I was given to use [code] // // ministack.h // #ifndef MINISTACK_H #define MINISTACK_H const int MINI_STACK_SIZE = 5; // Fixed number of element in stack class MiniStack { private: int num; // Number of values stored in MiniStack char* stackPtr; // Pointer to array … |
| | Hello everyone. I am trying to create a program that reads these values / strings from a file: 170 Lipstick 250 Orange Crush 350 Chickadee 450 Green Grass 550 Monaco 750 Toffee Crunch Then I am supposed to create a menu that prompts the user to provide either the number … |
| | ok, so I just started looping today and the simpler programs are all right, but we got a pretty complex assignment which I am pretty lost on. here's the assignment: [I]Write a program that updates a person’s bank balance based on withdrawals and deposits. Ask the user to enter the … |
 | Im currently using turbo explorer as IDE, kinda new to it and was testing some functionalities and ended up trying to save and load images from MySQL. So I had this one to grab images from file to form: [code] void __fastcall Tcharacter::openClick(TObject *Sender) { OpenPictureDialog1->Execute(); EditBox1->Text = OpenPictureDialog1->FileName; Image1->Picture->LoadFromFile(EditBox1->Text); … |
| | I've been overloading some methods for a template class. This means I can write my code in this way. [CODE=c++] myClass var3=var2+4; [/CODE] Is it possible to do it the otherway around like [CODE=c++] myClass var3=4+var2; [/CODE] I know that the end result will be the same, I was just … |
| | Hi, I am trying to replace a few text strings in a text file (test.txt), and then makeing some spaces, for it to be easier to read Anyone have an example I can use, because I am new to C++ I just want to replace "word1" with red "word2", and … |
| | I'm working on a project graphical based authentication and i need to implement this with C++. I need to understand this concept and all the books i ve read, none has really explained it well. Please I need help and badly.  |
| | How do I input a string then output a vector from this function? The compiler doesnt seem to like "while(invector>>word)". [CODE]vector<string> example (string invector);//prototype vector<string> example(string invector) { string word; stringstream insert(invector); vector < string > vectemp; while(invector >> word) vectemp.push_back(word); for(int i = 0; i < vectemp.size(); i++) cout …  |
| | I was wondering if anyone had some source code/snippets of code that can: - Move a a file (I guess copy -> paste -> delete old one) - Rename a file. - Locate whether a file is in a certain place? Im using XCode on a mac. Thanks |
| | Hello, I would like to know if I can invoke an applet method from C++. This method is loaded in a web browser. For example, the applet is called app and I want to invoke "app.Zoom(2)". Thanks. |
| | Hello! I’ve started a project that allows users to edited wav files (flange, distortion) and but them in a sequence and make a loop. I want to be able to visualize the actual sound wave of the file (like if you dropped a sound file in Audacity (and then in … |
 | [B]filename:[/B] [COLOR="Red"]main.cpp[/COLOR] [CODE=cplusplus] #include <iostream> using namespace std; int main(); using namespace std; #include "BinaryTree.h" int main() { BinaryTree<int> tree[8]; tree[1].makeTree(1, tree[0], tree[0]); tree[3].makeTree(3, tree[0], tree[0]); tree[2].makeTree(2, tree[1], tree[3]); tree[5].makeTree(5, tree[0], tree[0]); tree[4].makeTree(4, tree[2], tree[5]); tree[7].makeTree(7, tree[0], tree[0]); tree[6].makeTree(6, tree[4], tree[7]); cout << "Preorder: "; tree[6].preorder(); cout << "\n"; cout … |
| | Hi there! I am just starting out in c++ and so far, its going ok. I have a small problem in a simple program that is frustrating me, so I am hoping someone will point me in the right direction of where I've gone wrong. The program basically prompts the … |
| | Hi everyone! I'm kinda n00b in C/C++, All I ever did were some basic programs for some .txt files manipulation. Last time I was working in BC 3.1, about for years ago. Now I got Borland Turbo C++ Explorer 2006 and is a little hard for me to start a …  |
| | Compile this code with MSVC2005 [CODE] unsigned short x = 20; unsigned short y = 20; for ( unsigned long i = 0; i < x * y ; i++ ) { cout<<i<<endl; } [/CODE] and u get warning C4018: '<' : signed/unsigned mismatch why? i mean, it all runs … |
| | Hi all, I have developed an application in C++ using Borland Builder 6. In this app I load a html file which contains an applet stored in a wifi robot so that in my app I receive the image from an IP camera installed on it. The fact is that … |
| | Hello, dear all, here is my algorithm. i'm trying to reverse the array but its not function and not loop. [code=cplusplus] #include <iostream> using namespace std; void initial(int *v, int N) { int i; for(i=1; i<=N; i++) v[i] = i; } void write (int *v, int N) { for (int …  |
| | Hi all I'm using a 'STRING' variable to store the entire contents of a file. Is there any possibility of buffer overflow if the content of the file is large? (eg: say size of the file is 30MB). Thanks in advance  |
| | Hi guys, I'm new to this but I have no idea what is wrong with my code and I'm going insane trying to figure it out and its due very soon! I would appreciate any help you can give me! Here's my code: [code=cplusplus] #include <iostream> #include <iomanip> #define ROWS … |
| | Hi friends :P I'm needing some help on an assignment. I'm really not sure about all the argument-passing and structure references I have been assigned for my C++ class. Any help is greatly appreciated. I'll continue to work on it in the meantime, but I cannot get it to compile … |
| | HI I have created an object pool in shared memory each object encapsulates another object which in turn has a socket object which is a pointer Now my question is, should the socket object be created in the same memory region (using overloaded new) as that of pool object or … |
| | Hello Friendz, Suppose I have a program like [code] // A.cpp int main() { if(some_condition) return 1; return 0; } [/code] Now from another program I want to run the above program, like [code] //B.cpp int main() { ... ... system("A"); ... ... return 0; } [/code] Here how can … |
| | Hi I want to create an array as shown in the class below everything is working fine, but at the end of execution of the program, there is a memory fault Please help me in finding out the problem [code=cplusplus] class a { int i; int arr[]; public: a(); ~a(); … |
| | hi you please tell me how to call javascript files from c++ code?i know this(iam not 100% sure) that you first call html files,then from ther you call javascript files.  |
| | I'm taking the time from an accessor function and if it's from 0-9, so it displays correctly the hour time position, I have the following statements in my main body: [CODE] if (clock1.getHour() == 00) cout<<"The hour of clock1 is 00"<<endl; else if (clock1.getHour() == 01) cout<<"The hour of clock1 … |
| | How do I use a pointer with a 2-dim array? I am converting string to char array. char x[25][100]; const char* A= x; A= x.c_str(); |
| | I have been working through the book [U]Windows Game Programming for Dummies[/U] and so far it has been excellent. I am about half way through the book and I am planning on finishing. However, the books is from 2002 and it uses DirectDraw7 for the graphics component of DirectX. It … |
| | Hey guys.I am not sure that what I want to do is possible but if it is can someone help me out... Well I want towrite a program which waits for input for a curtain amount of time and if no input is received it continues its execution.I will be … |
| | I have a problem with the new program, it compiles and and it debugs, but when I get to the command lines and enter my function it gives me a debug assertion failure. We are supposed to be finding the sum of the area of rectangles used for close approximation. … |
| | I have put values into 6 elements of the vector Numbers like below. What I wonder is if there is any function to check for the Highest value for a given range of the vector. Say I want to find the highest value from elements [3] to [5] wich in … |
| | learning C++ and going through some codes. I'm puzzled by how the following piece of code works. It's from the msdn library as part of an example, and I know that the code works, but I'm puzzled by how the "%" sign works. [code=cplusplus] #include "stdafx.h" #include <stdio.h> int main … |
| | Customer and Pensioner. Pensioner should be a subclass of Customer. These classes should be in their own files with separate header files. Details are below. Create a third class called Manager. The manager file can contain the main function. The Manager class should contain member functions that read a text … |
| | Hi Guys, Im more familiar with coding in C# ... can someone please help me to convert the line highlighted below into VB.NET Much appreciated [code] private int file_count = 0; /// /// Get the file count of a given directory recursively. /// public void GetDirectoryFileCount(string dir) { dir = …  |
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