SVN address change Operation

svn info
svn stat

vi /etc/hosts

find . -name entries | xargs perl -pi -e 's/older-IP/New-IP/

svn switch --relocate svn://MingZ@10.0.1.136 svn://MingZ@dublin-svn

HOW TO DISPLAY PHONE NUMBER(IPHONE)

[[NSUserDefaults standardUserDefaults] valueForKey:@"SBFormattedPhoneNumber"];

Don't forget set Phone-number in your iPhone's setting.

Linux(Ubuntu) set password of Root

After Ubuntu be installed, the password of root is "NULL"，Since you did not set password
for root，However your first user account was admin "User" ，So you can login your first User and set password for root , so ...

sudo passwd root
[sudo] password for you ：---> input your password
Enter new UNIX password: --- > Set password for root
Retype new UNIX password: --> Reset

problem of "[super dealloc]"

- (void)dealloc {
   [super dealloc];  
   [a release];
   [b release];
}


- (void)dealloc {
    [a release];
    [b release];
    [super dealloc];
}

What's the difference between them?

If a or b extends super!!!!! [super dealloc] at front will lead problems