49,767 Topics
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 | I need to fallow these directions for homework but I'm stuck on some things: [code] // open output filestream for appending // get valid file name ofstream fout( getOutFileName().c_str() ); // if the file opened successfully if ( fout.good() ) { cout << " The file was succesfully opened." <<endl; … |
| | hi everybody, I've got some troubles in C and i need your help In C: (test.c) Suppose i include <unistd.h> and i call function "open" ==>> it run OK In C++: (test.cpp) I'm using a framework (e.g. RTM) which is function "open" has already in it. My problem is: althought … |
| | What would be the pusedo code for a program that would write data to file? Would it look something like this? Declarations of type of data you want to enter. Open the file, you want to write to. Check if the file opened. If file did not open try again. …  |
| | :-| I am desperate... Can someone help me to debug this program.. It is a dynamic allocation file ..... > Write a program that will open a sorted text file, compute how many lines are in the text file, and then create an index that will tell at which byte …  |
| | OK I am wondering Can you make a variable hold an operator. Such as say +, -, / etc... And if so can that variable be used to replace an operator in an equation? for instance char a = "+"; int b = (2 a 3); thoguh that doesn't work … |
| | Hi -- I am writing a program taht is supposed to input 12 integers into a program, sort them as they are entered, and then Print out the Sorted list. Second step is compute the average. I have done all that. THIRD is to delete all the integers that are … |
| | It's my fourth day with <Accelerated C++> and I have to admit that this is WAY over my head. I picked this book because of the sticky "C++ Books" but really... this was NOT meant for beginners. (or is it just me?) Okay, enough of the whining. By taking joeprogrammer's … |
| | Hi,:p Someone can show me the way to controll I/O in soundcard and the way to create DTMF( dual tone multifrequency) signals ....in C/C++. How to get data from "line In" and "microphone"? and then (sampling, frequency progressing), send it to "line OUT" ? I can create a sound with … |
| | Hi everyone. I am new to C++ and struggling badly. This is the first course i have ever struggled with in my life. I have problems with setting up programs and seeing the logic. Does anyone have any tips for understanding C++, and is there any good textbook or website … |
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| | hi my name is gaurav. i want to know what will be code if i want to open a word document or any other file on my HDD throuth c++ code. if someone can help me on this topic. i will bw grateful |
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| | Is possible to make a C++ program that sends a mail with a specified contetnt ?  |
 | I am going through the exercises of this old C programming book, that doesn't have the answer in the back. Which is good. However I am not understanding a particular question. It says: Write a program that estimates the value of the mathematical constant e by using the formula: e … |
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| | Does anyone know of a website that provides a lot of good problem solving exercises, or perhaps a great book for this? I've been reading a couple books on C++ but all of the exercises the books provide are sort of mediocre and don't really train me to actually use … |
| | Ok I just started programming again after about 10 years, and i was doing the suggested beginner problems. The first one to create a program that returns the factorial of a number. I think i got it all down right but compiler is saying "expected primary-expression before else" here's the … |
| | Hi All. I m a C++ programmer and I m trying to understand a piece of code. It fetches the values through command line arguments and makes a decision on the basis of these values. This code is working well but I dont know how? [code] for (int i = … |
| | Hello to you all, I am having problems with some code that I am working on for a text parsing system from an external *.txt file. The problem seems to stem from the Tokenize function, as I get a: "LNK2019 error: unresolved external symbol "void __cdecl Tokenize(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> … |
| | [code=cplusplus] input.open("a.dat"); if (input.fail()) { cout<<"Unable to open a file \n"; exit(1); }//end if while(input>>alp>>index) {//write to Usecase usecase Alpha[a].setkeyword(keyword); Alpha[a].setindex2(index); a++; }//end while input.close(); cout<<"Please Insert The keyword:"; int position,py; char keyPrompt[100]; int i=0; char c; cin>>keyPrompt; for(py=0; py<a; py++) { if(strcmp(keyPrompt[0],Alpha[py].getalphabet())==0) { position=py; break; } //end if if(py==(a-1)) … |
| | Hey all, Erm given the problem Write a program that will read in a line of text and output the number of words in the line and the number of occurrences of each letter. Define a word to be any string of letters that is delimited at each end by … |
| | i have problem in one part of my project although it's not completed yet... in function llfined2 there occurs an exeption because of if(t->b_num==d).... i don't why it's wrong!!!!! can any body help me?!:rolleyes: by the way i use visual c++ 6.0  |
| | I'm trying to compile some rather trivial code in C++ and i keep getting "Warning: [FUNCTION] was declared deprecated" Now this is on some of the more useful functions such as: sprintf strtok why is this? Here is a sample of my code if you are interested: [CODE]if(IsChatting()){ char chat[256]; …  |
| | sorry i'm newbie in here....i have a problem in C++..and this is the first time i did the programming codes, so that is so confusing for me...anyone can help me to solved this problem? [quote]The value e^x can be approximated by the sum 1 + x + x2/2! + x3/3! … |
| | hello can somebody help me how to write the c++ coding to find the first minimum value from sinusiodal graph |
| | I am currently writing a program that has to have a while loop that reads a file and then the while loop has a switch statement inside and inside of the switch is an if/else. I'm confused on how and where to put the correct placement for it to read … |
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 | Any help would be greatly appreciated. Does not recognize cat's game also goes into infinate loop when you try to use the same box twice? I have spent hours trying to figure it out. I know it something simple. Any ideas? [code=cplusplus] //Board Display Class - Tic-Tac-Toe Program #include <iostream> … |
| | [COLOR=#444444]write a program which take a string give it permutations and combination should not repeat any letter [code=c] [/COLOR] [COLOR=#444444]#include<conio.h> #include<stdio.h> #include<iostream.h> #include<stdlib.H> void main(void) { clrscr(); char a[3] //cout<<"ent int "<<endl; > //cin<<a; atoi(a) for(a=1;a<=3;a++) { for(b=1;b<=3;b++) { for(c=1;c<=3;c++) { cout<<a<<b<<c<<endl; } } } getch(); [/COLOR] [COLOR=#444444]} [/code] [/COLOR] … |
| | write a program which take a string give it permutations and combination should not repeat any letter [LIST=1]<LI class=li1>#include<conio.h> <LI class=li1>#include<stdio.h> <LI class=li1>#include<iostream.h> <LI class=li1>#include<stdlib.H> <LI class=li2>void main(void) <LI class=li1>{ <LI class=li1> clrscr(); <LI class=li1> char a[3] <LI class=li1> //cout<<"ent int "<<endl; <LI class=li2> //cin<<a; <LI class=li1> atoi(a) <LI class=li1> … |
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