Dear linuxers,
I have a usb mess storage device.
My OS is rh as3 update2.
Each time I use the command
mount -t vfat /dev/sda1 /mnt/usb
I got the error "the device is not a valid block device"....
Thank you for your kindness.
It's true that I found the solution.
I declared a virtual destructor.
Unfortunately, I didn't implement it.
As a result, I got the error.
Thank you for your kind reply.
This is the way I did before.
It's true that I've made test.o and use ld to link both file.
But I failed again.
Tens of errors appeared.
It seems...
I'm a novice in C++ programming.
I wrote a ReadFile class in file ReadFile.cpp.
After that, I wrote a test.cpp, which contains a main function, to test whether my class work well....
I'm working on my homework to write a chatroom program. Different users can be on-line at the same and talk to each other.
I found that each time I invoked the accept function. A new socket was...