51,593 Topics
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| | it needs to make sure numbers aren't duplicate and are ordered. maybe change my cout statements to arrays? Thanks. This is what program is supposed to do input Q 1,2,3-5,6-7 output do problem 1,2,3,4,5,6,7 of Q. [code] #include <iostream> #include <cstdlib> #include <sstream> #include <string> using namespace std; int main() …  |
| | I am trying to read a file which contains URLs and are 100 million in number. What I need to do is find out the different websites they are from. So, I am taking chunk of data in memory and reading it line by line. Also, I need to find … |
| | I have a program and I want to create a function that sorts multiple [B]lines[/B]. The lines are like this: lastName,firstName,gender,studentNumber I want to sort them by LINES, not individual words. Any thoughts? This is for a school project.  |
| | I am attempting to take names and weights from strings and just simply output them. For some reason it can't get out of the while loop, it just sets there waiting for the users to input names and weights. Here's my code [code=C++] #include <iostream> #include <string> #include <vector> using … |
| | Hello, i have some decimal numbers and want to put them hexadecimal in a string stream. Every Hex number should consist of 2 chars^^. I can't find a flag for it. [code]0__1__2__3__4__5__6__7__8__9__a__b__c__d__e__f__10__11__12__13__14__15__16__17__18__19__1a__1b__1c__1d__1e__1f__20__21_[/code] should be [code]00__01__02__03__04__05__06__07__08__09__0a__...[/code] [code=c++] #include <cstdio> #include <iostream> #include <sstream> #include <string> #include <iomanip> using namespace std; int …  |
| | Hi, I have two classes, Yatzy and YatzyPlayer. In YatzyPlayer.h i create vector<int> mResults and in the constructor in (YatzyPlayer.cpp) i resize it by mResults.resize(15,-2). I also have a function to return this vector declared like vector<int> getResults() and returns mResults. Then in my Yatzy file I'd like to have … |
| | I was going through a tutorial and had some trouble with an example program. Here's the coding I have and I can't fix it. Here is the main cpp file. [code] #include <windows.h> #include "resource.h" BOOL CALLBACK DlgProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam) { switch(Message) { case WM_INITDIALOG: … |
| | Hello All, I am trying to learn C++ on my own, but I think I am having some problems with Code::Blocks. I am familiar with Java (I did some CS as an undergrad) and I feel that the C++ basics are pretty easy to translate from Java; however, I am … |
 | Hi I have been trying for a while to make a win32 app client be able to talk to a server app that I put on my friends computer. I am not 100% sure if the problem is caused by the fact that I have two routers which may interfere … |
| | hi all i have a C++ assinment and i can't solve it can anyone help me to solve it is three questions: Q1. Write a C++ program that sends a pointer of an array of characters to function with the function profile void Analyze ( char *abc) . Function Analyze … |
| | I'm just having a hard time understanding the syntax of C++. The book(How to program C++ (fifth edition), by Deitel & Deitel) that my school recommended is impossible for me to understand of what is going on. Can anyone offer any advice or suggestion in making the learning curve of … |
| | [CODE]cin<<a;[/CODE] lets say the user enters 'i' if i have a variable i,i want its variable to be displayed or some arbitary "Invalid output" message, any way of doin this,instead of using n case statements in switch???? Is there a way for direct redirection? |
| | can u tell me a way to remove the excess spaces from a sentance using Ws? or anyother way? Lets say i have "This is a sentance" I want "This is a sentance" with ws? |
| | Hi, How to control disk I/O for partcular application in windows  |
 | Hey guys, I've been programming in consoles/visual C++. But i've been wanting to learn WindowsAPI programming WITHOUT the stupid visual interface for a while now. Could someone provide me some pointers on a good place i can learn this? Right now I'm using [url]http://www.winprog.org/tutorial/start.html[/url] |
| | I am interested in making my own Hide to Tray program that will hide any program i choose to the tray. I already know how I'm going to do it.. all i need is to know how to hide another window. In Visual C++ you do this->Visible = false; telling … |
| | I am searching for a book(s) which explains things like the following - 1. Difference between memory allocation of local and global (or other static variables)....? (or why i cant initialize a global variable more than once outside main and all other functions) 2. Holes in structures, and structures and … |
| | Hello, everybody. I'm not new with C++, or anything, it's just been about a year since I've bothered with Client/Server for MMORPG Making. I am in need of experienced coders to help me out, and teach me, to get me back up there. The engine will be free to use, …  |
| | Call by Reference with String Hello, how can I transfer a String variable with Call by Reference? Here my code: [code=c++] #include <cstdio> #include <iostream> #include <sstream> #include <string> void int_to_hex(int *dez,string hex_string); // Prototype int main(){ string hex_string; //then hex_string becomes a value... int c = 123; int_to_hex(int_to_hex(c, hex_string); … |
| | hi.. i'm very new in this programming thing but i need to make this hello world program work in windows and linux environment. thing is i encoded the program below and i used cygwin and andlinux to compile and i still get i think some errors. I'm lost.. really i … |
| | [code=cplusplus] // File Name: ~ftp/pub/class/cplusplus/Structure/StrucSimple.cpp // Purpose: Demonstrates the use of structure in C++. // Stores some personal data in a structure, then prints // the info out. #include <iostream> using namespace std; int main() { // Defining a structure struct PersonalData { char *FirstName; char *LastName; char *Birthday; // …  |
| | Hey,i just came by an example where,a string was split off using strings, the input was something like, "342c234" basically, a string where it is full of numbers and in between a char, i used ascii values in a for loop to split them,but somebody just did some sort of … |
| | Hello All Can anyone help me to understand the below log line which got generated when segmentation falut occurred, [code=syntax] /data/runtime/myprog/LDAPv3SL/prodlib/libLDAPv3SL_impl.so:std::list<LDAPCtrl,std::allocator<LDAPCtrl> >::iterator std::list<LDAPCtrl,std::allocator<LDAPCtrl> >::erase(std::list<LDAPCtrl,std::allocator<LDAPCtrl> >::iterator,std::list<LDAPCtrl,std::allocator<LDAPCtrl> >::iterator)+0xf4 [ Signal 368 ] /data/runtime/myprog/LDAPv3SL/prodlib/libLDAPv3SL_impl.so:LDAPControlSet::~LDAPControlSet()+0xb0 /data/runtime/myprog/LDAPv3SL/prodlib/libLDAPv3SL_impl.so:LDAPConstraints::~LDAPConstraints #Nvariant 1()+0x6c [/code] i simply dont have any idea on the first few lines of the code, [code] … |
| | Hello All please help me understand the below code snippet, [code=syntax] LDAPControl** LDAPControlSet::toLDAPControlArray() const{ DEBUG(LDAP_DEBUG_TRACE, "LDAPControlSet::toLDAPControlArray()" << endl); if(data.empty()){ return 0; }else{ LDAPControl** ret= new LDAPControl*[data.size()+1]; CtrlList::const_iterator i; int j=0; for(i=data.begin(); i!=data.end(); i++,j++){ ret[j] = i->getControlStruct(); } ret[data.size()]=0; return ret; } } [/code] please note in the above code, data … |
| | I have been coding a GUI program as a MySQL database manager/utility... The idea of the section I am focusing on is, your enter a guild's name, and it queries the database and displays the guild's info in a textbox. As a test I have used this query: [code]SELECT * … |
| | here's my code, don't see why it doesn't print out [code] #include <iostream> using namespace std; int main() { cout<<"enter a passage into input to find out how difficult it is to read\n"; string passage; cin>>passage; char letter; int space=0; while(letter!='\n') { if(isspace(cin.peek())&&letter=='\n') { cout<<"from space"; space=space++; } } cout<< …  |
| | Hi, Consider the code below: These interfaces are defined in a header. [ICODE] class IA { public: virtual void A() = 0; }; class IB { public: virtual void B() = 0; }; [/ICODE] This concrete class is defined in a library which is later dynamically loaded. [ICODE] class Implementation … |
| | Hello All Can anyone provide me a sample code, executing which generates a segmentation falut. need to understand how it works. Thanks.  |
| | Hey,can u ppl tell me a simple way of converting a string into a integer? I have something like [ICODE] string str1 ("1000"); string str2 ("2000"); [/ICODE] i wanna convert them into integers and add them,any idea how? |
| | Can anyone help me to let me know whats happening in the below code when , [code] data=cs.data;[/code] happens as FYI, data is an empty list created of type std::list and the constructor definition given below is a copy constructor [code=syntax] LDAPControlSet::LDAPControlSet(const LDAPControlSet& cs){ DEBUG(LDAP_DEBUG_CONSTRUCT,"LDAPControlSet::LDAPControlSet(&)" << endl); data=cs.data; } [/code] … |
| | please refer the code below, /** * Constructs an empty std::list */ LDAPControlSet(); only this much is there in its respective class,LDAPControlSet. i want to understand that how does it create an empty list from std when nothing's there in its below constructors?? Moreover, the below constructors are the copy-constructors.. … |
| | Hi all, I have been working on this code all day and can't seem to really get a grasp on it. Essentially I need to calculate the number of days in the year when the user inputs a month (by name), day, and year My output would look something like … |
| | I'm kind of new to Windows programming, especially GUI programming, and have searched for over an hour on how I can easily do this. I don't want any third party software and was wondering if I could just simply change the bitmaps used to display controls. I don't need the …  |
| | I'm using poisson's process for probability. This is the equation I'm using : P(x)= ((lamda^x)*e^(-lamba))/x! it's the factorial part I'm not getting right though. I can get the first 3 probabilities right (0,1,2) but everything after that starts to be off by half and so on. Look I know the … |
| | Good evening dear programmers, As of Windows Vista, [URL="http://msdn.microsoft.com/en-us/library/bb762181(VS.85).aspx"]SHGetFolderPath[/URL] is deprecated, and replaced by SHGetKnownFolderPath. However, my program must be compatible with both OS versions. I used GetVersionEx to determine the version of the OS that the user uses, but the problem comes later on: [B]main.cpp `SHGetKnownFolderPath' undeclared (first use … |
| | hello! Im trying to use _popen to execute a cmd app from a WFA using this code.... Im including stdio.h [CODE]_popen("\"d:\\Freeling\\bin\\analyzer.exe -f d:\\Freeling\\share\\config\\es.cfg\"", "r"); [/CODE] This code straight excecuted from the cmd console, works. But the popen inst working not even excecute the cmd console it seem like is going … |
| | Hey guys, I was looking at a program that "extended" taskmanager by attaching a dll to the taskmanager's process. I was wondering how this is done and how they were able to add new features and everything. Before you tell me please be aware that I know what a dll … |
| | Hi again,first i must say that i am familiar with c++ but only console programming. I am beginner so can you please be more gentle. I want to move on programming with buttons,windows,check boxs,input box and so on,i have heard of API and GUI what is the diference ? They … |
| | so input would be Q1,2,3-5 output would be do problems 1,2,3,4,5 of Q [code] #include <iostream> #include <cstdlib> #include <sstream> #include <string> using namespace std; int main() { cout <<"enter the problemset and number""\n"; //problems represents name and numbers string problems; char quote; char num; string number; //gather name if(cin.peek()=='"' … |
| | I need some help getting this factorial to work. I don't think I'm getting this to work right since only the first 2 work in the series. I probably could write a function to fix this but there has to be a way to loop it instead. This is what … |
| | i have created a C string of my variables and guessing i need some king of loop to check each character after it gets it? |
| | hello every body i need code open/close CD Rom in Borland C++.please tell me.it is very important for me. |
| | Hi, How to get directory size? Recursive alogrithm take more time for calculating directory size. so I don't like search a recursive algorithm. Any other method |
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| | Does Eclipse CDT (C++) produce a file that lists the symbols and addresses of the linked program? Thanks! |
| | so i find the period or whatever the sentence ends in. Then I create a substring from that and delete the part which contains the end character. Then i keep count of it. |
| | Hello friends, i am facing issues while finding the reason for a segmentation fault in a CPP-application. Please let me know how to move forward to look for this error, i have a doubt on the following code snippet as this CPP code uses malloc function instead of new. can …  |
| | I have names of certain students and their ages stored in a text file 'records.txt'. LIKE: John 22 Paul 21 Sam 24 Harry 23 Now i want to store these ages and names in a structure 'records(r)' directly from the file. (Here i am not taking any input from the … |
| | I am learnign c++ & I am confused as why or when I would use a struct, class or enumeration In laymans terms how would you describe what a [B]Struct[/B] is, what a [B]Class[/B] is & what a [B]enumeration[/B] is? When I say what are they I mean what are … |
| | Hi, I am trying to connect to sql server by using ADO to insert a record via stored procedure. I keep on encountering this error message (Source: Microsoft OLE DB Provider for SQL Server Description: The precision is invalid.)I had read on several blogs and forums and it said that … |
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