49,757 Topics
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| | 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 … |
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