19,876 Topics
 | |
| | How to decrease the amount of memory that a process/executable consume? |
| | hi people, i am having some problems, perhaps understanding about how dynamic memory allocation works with pointers and arrays. Im trying to get the user to input the size of the string in my program and allocates a certain amount of memory to hold the string of the size. Next, …  |
| | << moderator edit: split thread ([thread=108]original[/thread]) >> Let me make one thing clear right of the bat, I do not work with code in any way shape of form. But Graphics are a different story all together. We are setting up to start a game soon, so, I have had … |
| | Hi, I have tried a VGA mode in C with graphics.h which displayed graphics in 256 color but 320X240 resolution. I want to know the way to display graphics in 256 color in 640X480 resolution.Can anybody please help me.? Also I have tried to display a bmp file using graphics …  |
| | Imagine that you made a program that accepts userinput in this format: cmd.exe or netscape.exe this is a good input and the program accepts it, but what if the user enters this: cmd or netscape Must the programmer Flag this as an error and allow the user to correct his …  |
 | I just got a VC .NET 2003 compiler and want to learn C# programming. What books would you recommend? I've been reading the book reviews on amazon.com and there appears to be a lot of good books -- or so the readers claim. I'm not at all interested in "C# … |
| | I am rather baffled as to why a relatively simple, but very reliable, bit of C code I wrote on a 32 bit unix system (Sun Solaris) will compile fine, but error out when compiled and run on a 64bit Linux system? The specific error I receive upon execution is: … |
| | hello! i am in a great dilemma.iam a student.ilove writing programs and love experimenting. i was writing a code in C to enter all directories and their files(in my computer) into a hash table and then to search for the presence of a file.if the file is present,itmust display the … |
| | I spent a few hours grappling with data corruption until I found something interesting. My code was getting crunched after a certain point because of an sprintf overwriting the first byte of the array right after it. After some research, I found something interesting and irritating. According to MSDN, [quote] … |
| | hello sir sir i am doing data structure using c but sir i have some problems in how to get algoritham complexity.please tell me which site contain full detail on algoritham complexity although i have read full chapter but some little bit confusion so plz sir thanx from deepak kr. |
| | I am having trouble setting the output format while using a pointer to a Filestream: [CODE] struct statLine{ int id; int primary_type; int secondary_type; double period; double epochnumber; int savedextremenumber; }statLine; void printStatLine(ofstream *FSOptr) { FSOptr->precision(7); *FSOptr << statLine.id << " " << statLine.primary_type << " " <<statLine.secondary_type << " … |
| | if i write [code] if(printf("C is Wonderful") { } [/code] It worked. But if i write [code] if(cout<<"C is wonderful") { } [/code] Can anyone tell me whats the reason behind it ? |
| | What are Algorithm simulation modeling (documentation )tools |
| | I'm trying to do some inheritance/polymorphism, and so I'm making a parent class. This is in the header. [code] class CProtoType { public: CProtoType(){}; virtual ~CProtoType(){}; virtual CString field1(); virtual CString field2(); virtual CString field3(); virtual CString field4(); virtual CString field5(); }; [/code] And this is the source: [code] #include … |
| | Here the code where I'm trying to set last-accessed attribute of the file to some value. [code]hFile = CreateFile(szDestName.GetBuffer(255), GENERIC_WRITE | GENERIC_READ, FILE_SHARE_WRITE | FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0); GetFileTime(hFile,&createTime,&accessTime,&writeTime); writeTime.dwHighDateTime -= 1000L; accessTime = writeTime; SetFileTime(hFile,&createTime,&accessTime,&writeTime); // at this point access and write(modified) times are equal CloseHandle(hFile); // at … |
| | I am having problems with the most important section of this program. I must admit after reading, I understand the concept, but applying it to this particular program is not coming through. I am attaching the source code but the portion I am having problems with is the following: void … |
| | hey every1. i have a pretty silly problem.. i dont quite know how to display a text from FPGA cHIP to a monitor.. u can take a look at this code if its of any help... [code]#define PAL_TARGET_CLOCK_RATE PAL_PREFERRED_VIDEO_CLOCK_RATE #include "pal_master.hch" #include "pal_console.hch" #include "pal_keyboard.hch" #include <stdlib.hch> /* * Forward … |
| | |
| | Okay fellows. I got a really tough one. I got it licked pretty much except for one part. This is the implementation of the ADT DigitalTime. You are to enter two different times in military format (i.e. 1:30 pm is 13:30. It is suppose to spit out how much time … |
| | to protect the shareware program how do i detect that system time/date has been changed or reset i want to stop my shareware program if i detect that the clock been reset. how do i do that?  |
| | Hello ! My name is Clint, I'm learning at the Ben Gurion University in Israel, I make a research about viruses, how they work, way of operation, classify them into families. Does any one know sites which can be helpful to my research ? Thank you, Clint.  |
| | Hi pros and experts. I am experiencing some trouble in doing up a code which could evaluate the input into the different data types. What i managed to acheived is to read a file and its content. I used strtok to break the string into various 'tokens'. Now the problem …  |
| | Hello, I'm almost done with my program however I'm having trouble getting what I want printed to a file. I'm familiar with the printf function and what I want is to print out to the file in scientific notation, which would be %E if I were using printf. Is there … |
| | For this assignment i must replace all unprintable characters by escape sequences. So, the program must do the following: Read each character of the file, and 1) if that character has an escape sequence, print the escape sequence, even if the character is printable. 2) if the character is printable … |
| | This has been bothering me for a while now. When I try to clear a vector it just *pretends* to clear it, and the data is still in memory. This led to some obscene memory leaks, so I dug around looking for a way to really clear out a vector, … |
 | :cry: i'm so confused right now, can any one help with this? defining a functoin bool prime (int n) which prints 10000 prime numbers |
| | I have a program that is designed to read in a line of text and ouptut the number of words in the line and the number of occurrences of each letter. A word is defined as any string of letters that is delimted at each end by either whitespace, a … |
| | Hi, I get a segfault when I try to instantiate a class I wrote. I don't know what the problem is here. The constructor is never entered. Details: [code] /* Connection.h: */ class Stream { private: ACE_Message_Queue<CONNECTION_SYNCH> *serverq; Provider *provider; ACE_Event_Handler *serverp; public: Stream(ACE_Message_Queue<CONNECTION_SYNCH>*, Provider*, ACE_Event_Handler*); ULONG send(char*, size_t); ULONG … |
| | I keep getting a core dump (bus error) on my program. I suspect it has something to do with the amount of data I am storing in a map<string,string> The program crashes however when it is done processing and is actually destructing. Before I post any code, I was wondering … |
| | Here is a source code I found while searching google for API functions. The source will generate a header file from a source file, anyways reading it you can learn a lot. [url]http://www.hwaci.com/sw/mkhdr/makeheaders.c[/url] I also know you can generate header files from a compiled .dll file. Sounds interesting but seems … |
| | Hi, I am struggling with c++ linking problem in Linux... The C++ code has MATLAB engine inside, and it has no problem when compiling under Windows(same MATLAB version, MATLAB 6.5R13), but it can not be compiled with Linux, I always get the following error: [code]/usr/bin/ld: warning: libstdc++-libc6.1-2.so.3, needed by /s2bin/matlabR13/bin/glnx86/libmx.so, … |
| | Tell me how to use FindNextFile() in console |
| | if you rightclick on cmd.exe and click properties, you will see in the property sheet that cmd.exe is described as "Windows Command Processor". Is there any way to read this string and display it on screen programatically, especially in console mode |
| | Hi can anybody help me with this program? Thanks Write a program that reads a file with a record containing a user id number (SSN), a course number (2 letters and 3 numbers, e.g. IT303), a letter grade, and the number of credit hours. Using a case statement, determine the … |
| | If I have two templates that are mutually dependent, is there a way to declare one without defining it? |
| | hi could anyone please tell me in detail about the parameters to the main function argc and argv.please let me know as much as possible. |
| | hi guys and gals, just a young padawan learner trying to write this poker program from scratch. i know their are programs out their but nothing like the one you write your self. Im trying to have my program read in the number of players from the keyboard input. I … |
| | How do i convert value back to const char [code] #include <stdio.h> #include <iostream> using namespace std; int main() { int i, value; const char text[] = "456"; for (i = 0, value = 0; text [i] != '\0'; ++i) { int digit = text [i] - '0'; value = … |
| | When I mix managed with unmanaged code I get the compiler error: "'IDataObject' : ambiguous symbol". How do I resolve this? Thanks. |
| | Hello I'm trying to test out a random number generator to see how the distribution is and I want to write the values I get from the number generator to a file. Can someone show me in a simple code how to do that, or a good website where I … |
| | I am trying to send and recieve data by using rs232 port.For this i hav even written a program in C language using _bios_serial com,but the problem i am facing is that this command is unable to send the data. Just for testing the port i hav shorted pins 2&3 …  |
| | I'm trying to do something like this: [code]public: ULONG dispatch(char *command, size_t length, Stream<T> *stream);[/code]<< moderator edit: fixed code tags >> Where Stream is a template. I can make the class I'm putting it in a template as well - no big deal, I just don't know how anyways. Here's … |
| | this is probably something extremely stupid but I can't fix it no matter what I try :sad: I have a "Service.h" file that looks like this: [code]#ifndef _SERVICE_H__ #define _SERVICE_H__ #include "nm.h" #include "ServiceProvider.h" class Service { public: virtual ULONG register(ServiceProvider *sp); }; #endif[/code] gcc gives me error: /export/home/levk/r2/Service.h:10: error: … |
 | Hi everybody i spent the last few months playing with .NET(c#). i'm considering to do a project work using c#(.net) just for my own experience. so can any one help me to pick an interesting topic to work with. Thanks |
| | Hey guys, I was just wondering when using classes to obtain a name or something like that when a pointer is used how come you don't have to use the new and delete key words. [code] class LibBook { private: char *name public: LibBook( char* = '\0') void showBookName() }; …  |
| | Below is a program in C that I am trying to use to read in a spreadsheet (in CSV form), which I will eventually be doing calculations on and then writing out to a new file. I'm currently trying to figure out the following three things: 1) How to make … |
| | Hi, all I am trying to compile and run a programme which I got it from a friend. The problem is every time I compile, the error 'graphics header file no found" appear. My question is : 1. Is the graphic header file come together as standard library? bcos I … |
| | I did a search of the forums here and found that there are a number of unanswered questions on this subject and a few that are ambigious. My problem is a bit unique however. I need to know if it is impossible to connect to a database with C++ using … |
| | I am ahving a problem with the do/while loop. When the YesNo function returns a yes, main() repeats;however, it prints out what is stored in the string from before. How do you clear the string in order to run the program over and over. Also, when the piglatin result is … |
| | hi to all.. i need help about C programming i have problem with my project, its about that how to determine the max number using for loop ill give the output and pls give me the code plss Output: Enter Numbers: 5<--input Enter first number:1<--input Enter second number:2<--input Enter third … |
The End.