49,760 Topics
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| | hi, i'm new to c++(just 3 days) and new to this forum too (so pls go easy on me). my problem is i can't remember how to use the for, while and do loops. but when i see a program with these loops in them i completely understand the program …  |
| | ok, quick question for those who know the standard well. when is a variable (and array and class object) set to 0 by default (all elements, all members) in C++. i know that if it's global it should be (is it?). are there any other cases? |
| | hai freinds, this is pench.i have finished my psot gradution(MCA) in S.K.University.i am new to this group.plz help me if post any queris in forum. queris: 1. what is the difference between New and Malloc or Calloc in C |
| | I am newbie to C. Now one urgent application i got that is.. I have to talk to the other equipment through some defined protocol using serial COM1 port in the windows environment. means i have to send 1 Command (Bytes of Hexa data) from PC as a master in …  |
| | Hi, I am still very new to C++ and need help with new/delete, I am posting what I wasn't able to find answers for on msn search or by myself after hours of testing.. 1. Am I using new/delete correctly? [code] char hehe[1024]; memset(hehe,0,sizeof(hehe)); sprintf(hehe,"Some Text"); char *testx; int testxlen … |
| | hello, can some one pls tell me if we can ignore strings in a sentence in c++?? Eg: hello , how are you? am fine , how are you? when will you get to the party? If this is a mail then how do i ignore the word "you" in … |
| | Hi! HERE IS MY PROBLEM ============== I'm interested in a function that opens for editing, then saves and closes in turn all the files in C:\DIRECTORY\ WHY THAT PROBLEM ============= The C:\DIRECTORY\ contains text files *.txt whose content should undergo some changes (that pertains to ALL THE FILES IN C:\DIRECTORY\). … |
| | Hi to all, I'm new here, I start reading the forum and you have help me, now I heve the following problem, hope you can help me Thanks. Now my problem: I want to write a DLL that returns an Object I write a function in the DLL, that returns …  |
| | Hi all. I have been trying to teach myself a little opengl and I have the Visual C++ 2005 express edition. Now I am sure the the biggest problem is the express part, but I downloaded the windows SDK like another thread suggested. I also used the #pragma command (I … |
| | :sad: I have to submit the assignment tomorrow i got stuck in something looks silly the question is: parking garage charges a $2.00 miniumum fee to pack for up to three hours. The garage charges an additional $0.50 per hour for each hour or part thereof in excess of three … |
| | I've made an image processing application in Matlab, that reads an image and stores the width and height of the image in 2 variables, x and y .... Now i want to read those 2 variables in another application (a C++ application) that is running with the Matlab application... Does … |
| | hello all, I have to create a dll file which can be used in .NET thats why i have choosen ATL project to create dll file. Im developing dll(using VC++.NET 2005) which inturn uses Adobe XMP SDK API's. My basic intention is to use fewer API to ensure that everything …  |
| | Here is the problem: Since there was a change in the code skeleton I was given, I had to somewhat modify my already-written codes to suit that minor change. Vast majority of the codes were still the same, so created a file with the same name and copy-paste the codes … |
| | i'm taking a computer programming class, and i was given a chalange to create a program in "C++" that would tell you if the number you entered was a Perfect number, being that the sum of all the factors of a number minus itself would = the original number. aka. … |
| | Hi all: The function malloc returns a void* pointer, and so I need to explicitly use type cast e.g.: (struct*)malloc(sizeof(Message_from_server)); I am wondering if it is a legal expression or at least, I should give it a tag name like (struct*message_from_server)malloc(sizeof(Message_from_server)); Thanks |
| | I am having problems with a code that I would like to go something liek this [code] string array; int z = rand()%2; switch(z) { case 0: array = {"entry 1","entry 2",...,"entry n"}; break; case 1: array = {"entry A","entry B",...,"entry (letter)"}; break; } //then do stuff with array [/code] … |
| | [COLOR=#000000]Hello![/COLOR] Command line builds: devenv solutionfile.sln /build solutionconfig [ /project projectnameorfile [ /p rojectconfig name ] ] I try to build.........please could somebody tell me what is solutionconfig? Thanks |
| | Hi there, could someone please help me debug this code. I need it to perform the following tasks 1. Ask the user for the number of cars he or she owns. 2. Create a class to represent a car, and then declare an array of cars. 3. Ask the user … |
| | hi i need to r write binary(hexadecimal) values into a text file then read this data and manipulate it as a number :sad: |
| | can u ppl help me in implementing trie........... i need complete data structure of trie...............and how to implement it???? |
| | Hi Every body I want to know how it is possible to connect to database whether it may be Oracle,Ms-Access.I am using Turboc2 Compiler and windows OS and i found something like ProC that is file extension as .pc in Oracle 9i is there any relation between these i want … |
| | Hey, i just got alil problem. Im trying to create a 2d array with a size of [1000][1000]... [code] double variable[1000][1000] = { 0 }; [/code] its compiles fine but when i run the program, it just crashes...is the array too big?? the maximum i can get is [300][300]...any ideas??  |
 | What are some of the pluses and minuses of MFC? I think it is better to do a lot of things that are complicated without it. Any thoughts? |
| | hi im new to the forums and im stuck on a part of my code that i need to do for homework in the code below in my loadPuzzle function it seems to skip my cin.getline and i dont know why. [code] #include <cstdlib> #include <iostream> #include <fstream> #include <cstring> … |
| | Hi there im wondering how to use a time delay in my code. What i have done is searched through a saved file and picked out infomation the send it to the rs232 port. what i want to do is create a time delay of 100 micro seconds for every … |
| | I'm programming in C++ and I've been told that "printf" is faster than "cout", so since then I've been using "printf" instead of "cout". Do you recommend my option or not? thanks |
| | I wrote a cgi-bin program to run with Apache/Linux. When I do a form-post operation from a web page to my cgi-bin program, the form fields are not passed to the cgi-bin program? The cgi-bin program runs ok and returns some html through stdout, but doesn't read any form fields … |
| | I need to sort a list of numbers Here is the sample input: code -> subcode -> brandcode ( each code has a subcode and each subcode has a brandcode) [code] 7366->65535->65535 7379->65535->65535 7379->65535->65535 7379->65535->65535 7366->65535->65535 7366->65535->65535 7379->65535->65535 7366->65535->65535 9113->65535->65535 7379->65535->65535 7315->5->65535 7314->65535->65535 7315->5->65535 7314->65535->65535 7379->65535->65535 7314->65535->65535 7314->65535->65535 7314->65535->65535 7311->65535->8 … |
| | Hey everyone, I'm trying to write a simple program that can do more than one thing at once. I'm not an expert on the iostreams, so I don't know if I need to create threads to accomplish what I want. What I'm trying to do is run a loop while … |
| | hello, am doing a project for school . it involves a lot of file and string operations and i keep compiling the code over and over again to see if it is working properly ... all of a sudden the code simple stopped executing .. the code ran a number … |
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