51,593 Topics
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 | So I have this assignment to create a dynamic stack with template and I've got it nailed pretty much. My question, though, is: I tried to implement "stack2" originally with data type as string. It would not work. The compiler threw all kinds of errors. Could somebody tell me what's … |
| | Hey guys! I'm trying to write a program that calculates the area of the convex hull of a set of points in a plane. I can find which points construct the convex hull but calculating the area is a little bit difficult for me. I guess the problem is that … |
| | I'm trying to create a Chat program for people to talk to each other through. So far I have it so multiple clients can connect to the server and send/receive messages to/from the server. The problem I'm having is because of the way Clients that are connected to the server … |
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| | Hi, I don't know where i when wrong... But my program doesn't want to loop properly. I was ask to make a Simple calculator that will loop the ans till giving a exit. here is what i got... #include <iostream> #define NEWLINE "\n\n"; using namespace std; int main() { char … |
 | Heres a interesting question for you guys, is it possible to check a file to see if its signed in c++ and if you wouldnt mind could you write me a function how to do this as it would really help alot, thanks. Kindest Regards, Nathaniel Blackburn |
| | I deleted IDR_MAINFRAME256 and need to add it back to my toolbar folder under Resource View. How do I add it back. |
 | Hey; I have an assignment. My assignment includes the following tasks to be implemented under Linux: – Display a list of all available files (with their types) in the working directory, – Display a list of only regular files in the working directory, – Display a list of only directories … |
| | This worked in VC++ 6 but in Visual Studio 2010 assign needs a second parameter, in the context of this function would it be a better idea to use resize or reserve and why? [CODE] bool CN3ShapeExtra::Load(HANDLE hFile) { bool bSuccess = CN3Shape::Load(hFile); int iPC = m_Parts.size(); m_Rotations.clear(); if(iPC <= … |
| | Hello, I have two forms named are Form1 and Form2 (Form1.h / Form2.h) There are a textbox and a button on Form1 and Form2. When I click the button on Form1, it must show Form2 and when I click the button on Form2, it must fill the textbox on Form1 … |
| | Hello, im searching a Packer wich can protect hackers from "Reverse Engineering". It has to work for Net DLLs which are made with visual studio 2008. and it would be awesome if it would be free. Cheers :) |
| | Looking for the executable file for visual studio express 10.0. Traced the program file folders to: [COLOR="Green"]progrram files \ microsoft visual studio 10.0\ common7\IDE[/COLOR] There is an app that will allow programs to be run from a USB drive if the path to the executable file and its path is … |
| | Hi I've seen a function in numpy ([URL="http://docs.scipy.org/doc/numpy/reference/generated/numpy.gradient.html"]http://docs.scipy.org/doc/numpy/reference/generated/numpy.gradient.html[/URL]) for calculating the gradient of a 2-dimensional array. Numpy also provides 2 examples on that website (I'm more interested in the second one). I now want to use such a function in C++. Does anyone know if there is such a function … |
| | I,m having a problem with my program. [CODE] float num,num1,score; cin>>num; score=num/num1; cout<<score; //if num and num1 is a digit, continue program; else, end program[/CODE] I already tried using (isalpha and isdigit), but it seems to be working only in int and char data type, also tried using stringstream approach, … |
| | Hi all, I'm busy writing a generic textfile reader class and I'm struggling to write the code to deal correctly with end-of-line (EOL) characters for Mac, Linux and Windows. I've done a fair bit of reading on the issue and I came up with the following function within my TextFileReader … |
| | Im trying to learn c++ and i got a book which is not that great in my opinion, due to errors. one of my problems im having with one of the exercises is trying to set values for food, land. every time i run the program i get a bunch …  |
| | Hi everyone. My code is used to calculate fractions and display them as "3/4 + 3/4 = 3/2" and such. I having some trouble with the the code segment [CODE] calculate.setadd(); calculate.setsub(); calculate.setmult(); calculate.setdiv();[/CODE] There's a red line under the close parenthesis saying "too few arguments in function to call". … |
| | Hello. So I am attempting to load a Bitmap into my project. I am using Visual Studio 2010. I am going to the resource view, right click, choose to add a new Resource, and from there I pick Import. Then, I simply select a .bmp file and I choose open. … |
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| | Is it possible to use file to increase the memory available. for example: if we ahve code need 1 GB RAM to be work is it possible to run it in a system with 512MB RAM and use a file to allocate the rest of the memory needed. |
| | I have written this code using templates which works very perfectly well. I am a beginner in using templates, so I really want someone to check if its written in a correct format. Because when I am deleting template<elemType> from the beginning of each function and main, the code is … |
| | hello all. i have endured hell for the last 2 days trying to get the scores from this program being a user quiz to make it add up the scores and keep a rolling total to be presented as a total score at then end of the quiz, but i'm … |
| | something like [code] class base { public : virtual void draw() const = 0; virtual void area() const = 0; }; class rectangle : public base { public : virtual void draw() const {std::cout<<"rectangel\n";} virtual void area() const {std::cout<<"rect area\n";} }; class triangle : public base { public : void … |
| | Hi from what I have seen this should be correct but compiler is complaining. [CODE] #include <iostream> #include <string> using namespace std; // player class class Player{ int *position; string name; public: Player(); ~Player(); void set_name(){ cout << "enter name: "; getline(cin,name); cout << "name is now: " << name … |
| | Hello, how can I pause the terminal after running the program? I am using a program that outputs a table of error rates.. but can't see the result. I used few suggestions on the web but still not working , char d; cin>>d; not working , what else can I … |
| | I am trying to use the Net User command from the cmd in my C++ program. I have this... [CODE]char acUserName[100]; DWORD nUserName = sizeof(acUserName); if (GetUserName(acUserName, &nUserName)){ cout << "User Name: " << acUserName << endl; system("Net User"); }[/CODE] This displays the User Name on the screen and then … |
| | anybody can give me the free link for c/c++ software?...please give me... thank you!!! |
| | Hello, guys. I found useful stuff so far. I'd like to ask if someone can give me some ideas how to wandering guards or set switches to open certain doors in a maze game in c++? At the moment I am thinking just to add some bits, can someone give … |
| | Hey everyone, I am new to this site, basically my problem is this: The user inputs an integer, and then the user inputs a character, the program is supposed to make a triangle out of the character, with the max width of the user inputed integer. for example; user inputs … |
| | Hello. I have some problems understanding the code. I'd like to ask for some help. I need someone to break it down for me. Just to explain what's going on and what's happening. Well this is map.cpp: I got the other bits but I am struggling with this one and …  |
| | 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 … |
| | plz help me with code c++ for binary full adder that sum to binaryn like 1111 + 0110 [CODE]#include <iostream> using std::cout; using std::endl; const int LENGTH = 5; char sumChars(char x, char y, char& carry); int main() { char first[LENGTH + 1] = "10100";// 20 char second[LENGTH + 1] … |
| | Hi I have some questions: I'm getting segmentation fault on print_clauses(...) function and I really can't figure it out why. But the bigger question is, am I doing something wrong in build_clauses(...) function? Am I using double pointers in right way? because the second #if ... #endif gives me N … |
| | A part of one of the programs in my assignment requires to declare three arrays of same size which will be used in parallel to store gpa's, registration numbers and names of the students respectively. When I use a single loop to take input in all these three arrays then … |
 | Hi guys: The following code compares two folders and if the input is correct will print out the data. That's not my problem, I wanted to add an empty line when the comparison is incorrect. The things is that it adds a good amount of empty lines before I get …  |
| | This should display 5 lines of code that say "test", yet I am only getting 4 and it is never reaching zero, since the output never displays, "the test is over". What is wrong with this implementation? I am quite sure it's an error in my next() function. Any help … |
| | 1. when declare array, what the thing needed. 2. know how to build/use 2D array. 3. how the pointer relate to array. 4. give string manipulation function and describe it. 5. what is the key element for OOP. 6. define structure. 7. how destructor works. 8. define class. |
| | 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> … |
| | Hi, I'm working on an assignment where we have to have a client and server sending each other an integer that represents a noughts and crosses board. I had it working by simply sending back and forth the entire NoughtsAndCrosses class, but now we need to do it just using … |
| | I am wondering whether it would be useful to close [URL="http://www.daniweb.com/software-development/cpp/threads/70096"]this [/URL]thread an start a new one? This huge list, spanning 6 years and I don't know how many books cannot be useful, anymore? To be on-topic: for beginners, I'd suggest to just google "programming c++ tutorial", you'll get many … |
| | As far as I know, if we don't ask template to generate the code for us It would not do it because template is "lazy". The codes generated by template are same as handcrafted codes, so what makes template being blamed by code bloat if you know how to handle …  |
| | Hi All, Need expert to teach me how to solve the below C++ questions. Thanks (a) void Triangle (int, char) The function takes in two arguments, the integer representing the base and height; and the character representing either original or mirror. These values are use to print the triangle. For … |
| | " Unhandled exception at 0x76acfbae in AC.exe: Microsoft C++ exception: std::out_of_range at memory location 0x0015a140.. " Any advice on how to handle this error? |
| | Hey everyone, When i try to write any new c++ program and run it, it doesnt even build and a different one runs(the same one runs all the time). I use Quincy. However, any of my old c++ programs work fine, just any new ones that i try to run … |
 | 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; … |
| | Id like to have my console program stopped and code executed if a timer runs out. does this mean i need another thread? can anyone point me to some functions i may need to use as ive never forked a program before. im using visual c++ on windows. |
| | Hey, ive got a problem. i cant seem to get Playsound() to work. Ive searched google, and alot of people say to go to properties - all configurations - linker - and add winmm.lib to the additional dependencies to link it. ok, so i did that, have included mmsystem.h, but … |
| | Hi guys: I created this code to read two file get their input and post certain output. My problem is that C++ is sorting out my output from smaller to greater. Is there a way that I can get c++ not to sort out the output. Thanks: Gus Here is … |
| | OK, the eventual goal of my project is a kind of word insert/delete/replace. You read a file... "The quick brown fox jumps over the lazy dog." and you can delete all instances of "fox", replace "fox" with "cat", insert "giraffe" wherever you want, etc. Word processing stuff. So I figured … |
| | Hello everyone, tim here. I am trying to use/modify a program to model a material in a 2D space. The shape is not too complicated. Now my thought is, instead of drawing it using the functions(which give me a headache, considering the shape has to be split to many piece … |
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