Code:
for(i = 0; i != '\n'; i++)
i is an integer
what you should do is
Code:
for(int i=0; exp[i]!='\0'; i++)
tracethepath
Last Activity: Oct 29 '07, 03:55 AM
Joined: Jun 29 '07
Location:
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basic problem i think is i cant be compared to a character type...
i is an integer
what you should do is
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what is this " Serialise()"??
i have not read this yet...
can you explain a bit further?
how to call it n do read and write operations using it?
and all my class members are of char type...
by the way my problem is solved now...i made a tempory file and went on writing the data until the data to be modified occured modified it and copied rest of the data to the temp file...and then removed original...Leave a comment:
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i can help u with your problem that the last record repeats twice.
Your loop says:
What happens is this:Code:while there is no file failure (eof): abc <-- read next record display abc
Read record one (no file read failure), display record one.
Read record two (no file read failure), display record two.
...
Read record N (no file read failure),...Leave a comment:
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problem in modifying data in a binary file
hello everybody...
i am trying to make a project on binary files and that needs a function to modify data in a binary file. I have made the following class.
...Code:class example { public: char name[10], number[5]; void getdetails(); void showdetails(); example() { name[0]='\0', number[0]='\0'; } -
Error in displaying or adding to a binary file
the last record is getting displayed twice.i hv rechecked everything and cudnt find the error. here is the add n display function.
[code=cpp]
void add()
{
example abc;
int n;
ofstream file1("EXAMPLE. dat", ios::binary|ios ::app);
cout<<"Enter Number Of Records To Add ";
cin>>n;
cout<<endl;
for ( int i... -
RUNNING D PROGRAM...need help urgently...
hello everybody,
I am a beginner in C++. I got a CD with a C++ how to program,fifth edition book by Deitel which has the source codes included in the books. The source code for ATM case study is in parts i.e. user defined header files r dere which includes class definition, and class member function definition (cpp files) r dere 4 d same header file. Also there is one main cpp file to run the program. Now if i run the program by opening it... -
Thanx again Jos 4 ur kind concern...
Wat i exactly know is abt classes and objects, data file handling, structures, arrays, functions and all...I know nothing about graphics in C++...And my project is supposed to be including the use of classes and objects and data file handling...My teacher has given me some ideas abt making a project on databases such as on Library i.e. all the books record and issued books and all...or that of hotel management...Leave a comment:
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thanx jos
but i need to mke a project using classes and opjects and data files....
regards...Leave a comment:
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Hi,
thanx 4 ur concern. But i am just an C++ beginner and hav learnt classes and objects and data file handling and dont know anything about graphics, I dont think i will be able to do wat u suggested. Can u suggest some simpler projects? Or else can u elaborate how to do wat u suggested for.
Thanx.....Leave a comment:
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Hi,
thanx 4 ur concern. But i am just an C++ beginner and hav learnt classes and objects and data file handling and dont know anything about graphics, I dont think i will be able to do wat u suggested. Can u suggest some simpler projects? Or else can u elaborate how to do wat u suggested for.
Thanx.....Leave a comment:
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Give Some Ideas
Hello everybody...i have to make a project based on C++...Can anyone give me some ideas on which to make the project... -
the function void delete is not working properly...It deletes all the data...and the function add, it adds the last entry twice..thanx 4 ur concern......Leave a comment:
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Having trouble with file io
i hav written a program code for reading characters from a text file and convert upper case characters to lower case and vice-versa. Converted characters need to be saved in a new text file and this new text file shud be read and displayed on the monitor. wat i am doing is firstly i open two text files in the following manner:[code=cpp]
ifstream file1;
ofstream file2;
file1.open("EXA MPLE.txt");
file2.open("WRI TE.txt");...Last edited by sicarie; Jun 29 '07, 06:01 PM. Reason: Please use [code=cpp] and [/code] tags around your code. Thanks! -
i am new to this...
i was making a menu driven program on file operations..
to add, delete, modify, search and display a particular record and list al the records...
i have not yet written function modify...
but the rest of the program shuld work properly but its not...
its not doing searching by name properly and that deleting records...
heres d code:
[CODE=cpp] class example
{
public:...Leave a comment:
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Doing File operations
i am new to this...
i was making a menu driven program on file operations..
to add, delete, modify, search and display a particular record and list al the records...
i have not yet written function modify...
but the rest of the program shuld work properly but its not...
its not doing searching by name properly and that deleting records...
heres d code:
[CODE=cpp] class example
{
public:
...
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