zeroing out an array


Hi,
when I try to assign using the expression: />pPtr->myArray[127]="";

my compiler throws the following
error: "invalid conversion from ‘const char*’ to
‘char’.

Any idea on what's wrong? Any idea on how
to solve the problem?

I am making a Black Jack card game and I am using a structure to hold
the player cards and information however when I go to redeal a new
hand i need to zero out the old hand otherwise it just keeps adding
cards. I am trying to use memset to zero out just the particular
member variable arrays but for some reason it still just keeps the
same values from the previous hand.
class="bbcode_container">
Code:

struct Players
{
   
    char name[MAX_PLAYERS][80];
     
  char *card[MAX_PLAYERS][MAX_HAND];       
//card names
  &
C & C++ & C#
I'm looking to zero out my hard drive for a clean install of the
os.
I want to write over the current data with all 00000 or
111111.
I've heard it refered to as zeroing out the drive. />How do I do this?
I have a few pc books in regards to linux and
windows, but nothing lists this procedure.
Is it called something
other than zeroing out the drive.
I can delete the partion and
start from there, but does zeroing it out provide more security of
sensitive data?
please help.
thanks
C & C++ & C#
what do they mean by zeroing out default constructor? what it does?
why its good? and how do i do it?
C & C++ & C#

Is this the proper way to zero the first 12 bits of an address?


void *ans = (void*)((unsigned long)addr &
((0UL - 1) ^ 0xfff));

Where addr is any user process
memory address..

Note this method works...I just want to know
if there is a better way

C & C++ & C#

Hi,
when I try to assign using the expression: />pPtr->myArray[127]="";

my compiler throws the following
error: "invalid conversion from ‘const char*’ to
‘char’.

Any idea on what's wrong? Any idea on how
to solve the problem?

C & C++ & C#
So, for whatever reason that I can't now remember, I zeroed out the
superblocks on a Raid-1 array that I had on an old system before
moving the drives to a different system. Now, some months later, I'm
trying to get the data off just one of the disks that was part of the
Raid array on a different system. The drive shows up as /dev/sda1 and
'Linux raid autodetect' type drive with fdisk.
However, I can't
mount the drive at all, even when I specify the filesystem type with
"mount -t ext4 /dev/sda1 /mnt/mntpt".
I've tried to
re-create the Raid array with mdadm by using "mdadm --create
/dev/md0 --level=1 --raid-devices=2 /dev/sda1 missing". T
Ubuntu

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