49,766 Topics
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| | if a constructor OR public member function throws an exception, will the objects destructor be called automatically?  |
 | Is there a way to store binary code in memory (as a value) then execute it? For instance if I have an array of bytes I have filled with the binary code of say, a .exe, is it possible to execute it? |
| | Hey all, I'm currently working on a project that exemplifies matrix multiplication algorithms. My problem isn't working on the algorithms, but more of the structure of the classes. If any of you wouldn't mind looking over my code and helping me get a little more familiar with how things should … |
| | I'm implementing a bi-directional iterator for a class (a simple list that holds strings) ... the book I'm using asked me to do so ... (I'll have to implement a version of the standard list class afterwards) ... but my iterators just won't work... here's what I have my iterator … |
| | Here's the deal. I need program to read from text txt file and then write numbers into one file and letters into the other... I figured how to read and write to file (using iterators) but I can't figure out how to make the program sort numbers from letters. #include … |
| | Hello I need a way to make a file dialog box for selecting a filename/path. Is there a common file dialog box? I think there may be seeing as all of the GUI programs in Linux have a similar looking file selection type. Thank you. |
| | ok so i've just started using visual c++ for my coding. I'd like to add a sound files to my current project. I've looked up so many ways to do this from allegro to directx and BASS but i cant seem to get anything to work. I've been looking into … |
| | In function `_start': undefined reference to `main' what does this mean? I don't have a function _start. and my main.cpp is empty, theres just a few giant source files (500+ lines together) that are never called... Do you see any problems with this that might have something to do with … |
| | I need to format my BMR output so it has a nice neat appearance with the Headings over each column. In one column it should say BMR and the other Daily Calorie Intake. This is what I have so far: [CODE]/* Program: Harris Benedict Equation * */ # include <fstream> … |
| | I need to create a program that monitors incoming packets to a certain process. Each incoming packet needs to be searched for a string of hex (eg. "FF 00 00 03") and modified to be null (eg. 00 00 00 00). Or, if it's easier, to just completely block the … |
| | I was wanting to try a neat little project while i was bored at work and came up with a CodeInjection class. I understand this class is VERY POORLY DESIGNED. My question is how can i fix this?? what can i do differently to make this class not so tightly … |
| | please guys I need help have ramdom numbers and I need to choise the higher number |
| | im totally new in object oriented progrmng in C++ course, i have to create a table in which i have to answer in yes /no that for example if class can be public so the answer is Y and if class can not be public then answer will be N. … |
| | Why use const char* instead of string? I see it all over the place. Personally, I prefer strings. |
 | I'm having trouble aligning some text with setw and the left alignment. I'm not sure if it has something to do with the fact that I'm printing from a function. The text within quotes aligns fine, but the output from the function aligns to the right and screws up the …  |
| | hi i need an idea for my college time table management project  |
| | I have found a solution here: [url]http://support.microsoft.com/kb/220600[/url] The problem is that its for MFC..I dunno how to create wrapper for .net C++/CLI I cannot add it via class wizard. using #import produces error: [CODE]Error 1 error C2812: #import is not supported with /clr:pure and /clr:safe[/CODE] I want to use automate … |
| | Hi all! I'm a beginner to C++ and wanted to try my skill at creating a decimal to binary converter in the console. I tried two different methods, but I failed at both. My first program was an attempt at being organized and using multiple functions and snaking the output … |
| | i really have a hard time creating classes...it seems as if i always run into the trouble of....should this be a function in the class......should it be private or protected......does this really need to be a member variable of the class.....what all should my constructor have inside of it....how can … |
| | Hai, i have a problems with my ListView in Visual Studio 2008. I can move this delay tab : [url]http://localhostr.com/file/ezujFtB/Unbenannt.png[/url] Like this : [url]http://localhostr.com/file/A91Yo4D/Unbenannt-3.png[/url] How can i prevent that ?, i tryed many differnt settings, but nothing seems to work.  |
| | Hello, I am having some troubles with coding from one of Joyce Farrell's books here is a link showing the exact thing to which I am trying to figure out. [URL="http://books.google.com/books?id=akzWMS9_PYoC&lpg=PA327&dq=BankAccount%20Class%20from%20Joyce%20Farrell&pg=PA331#v=onepage&q&f=false"]Exact question[/URL] Here is the code I have written thus far. [CODE]#include <iostream> #include <iomanip> using namespace std; class BankAccount … |
| | while i was learning about global variables I did some trials and found one problem. Here goes my code. [CODE]int cows = 10; //global variable void farm1() { int cows; cout<<"in farm1, cows="<<cows<<endl; cows++; } int main() { //cout<<"in main, cows="<<cows<<endl; farm1(); //cout<<"back in main, cows="<<cows<<endl; } [/CODE] Here line … |
| | [CODE] #include <iostream> #include <ctime> #include <cstdlib> #include <string> #include <algorithm> using namespace std; //Types and Arrays string word[16] = {"GOLDFISH", "COMPUTER", "ANONYMOUS", "JACKET", "SHARP", "SERVICE", "EFFORT", "CHARACTER", "CHANGE", "WITHOUT", "PRODUCT", "UNFOLDS", "MUSIC", "MOMENT", "LIFETIME", "PROVIDE"}; char guess[50]; static const char Y= 'Y'; static const char N= 'N'; char ans; … |
| | I've implemented a version of the String class (named Str) and I was implementing the getline fucntion of the getline function that's what I got [CODE]void* getline(std::istream& is, Str& s){ s.clear(); char c; if(is){ while(is.get(c)) s.push_back(c); return s.begin(); } return NULL; } [/CODE] I used void* so I would be … |
| | I'm having some difficulty figuring out how to delete the objects I new'ed during run-time. I'm using a heterogeneous collection. Simplified Example: [CODE] const int SIZE = 4; myBase* objs[SIZE]; objs[0] = new myChild1(); objs[1] = new myChild2(); objs[2] = new myChild3(); objs[3] = new myBase(); //I tried: for(int i … |
| | I'm getting a segmentation fault at this line. So far, my program has classes. A blahpod with class of songs in them. Then there is the node class. I call the operator= which is supposed to put one pod into another. It looks like so [CODE]bobcatPod bp2( bp1 );[/CODE] That … |
| | [code] std::string headerInfo = " "; //Verify stream is still in good condition if(streamReader->good()) { streamReader->ignore(fileSize, ':'); //work arounds =) v------------v streamReader->getline(&headerInfo[0], sizeof(headerInfo), '\n'); } else { //Error } return headerInfo; [/code] The first parameter of getline wants a char* to store the data, so instead of creating an array … |
| | I found this somewhere on some website. Would you care to decode it, like explain why, when, and how they used the codes? The only part I didn't get is how did they get "largest_1" and "largest_2" by doing this. I see that it loops to find it but does … |
| | I am doing Yahtzee and I need help creating a hold function. can anyone help me?  |
 | [CODE] Rectangle ^ClientResolution = gcnew Rectangle(); ClientResolution = Screen::GetBounds(); float CurrentWidth = 1366 ; float CurrentHeight = 768; float RatioWidth = ((float)ClientResolution->Width / (float)CurrentWidth ); float RatioHeight =((float)ClientResolution->Height / (float)CurrentHeight); this->Scale(RatioWidth,RatioHeight); [/CODE] error C2661: 'System::Windows::Forms:: Screen::GetBounds' : no overloaded function takes 0 arguments Any help would be much appreciated. |
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