248827 views
Registered: 2009-01-21
Update:
Problems: 58
Solutions: 55
References: 102
Problem views: 248827
Unsolved problem views: 9705
yliu
User
O(n) person in an O(log n) world.
刘一鸣
Recent problems
Atom Feed#65: Default password for X509Anchors on OS X Leopard
Solved!on October 01, 2009, 11:43 AM UTC — from 
yliu
( 4,968 views )
yliu
( 4,968 views )
The System keychain X509Anchors (in /System/Library/Keychains) is locked by a password. This password is not the system-level administrator password. I need to unlock it.
#61: MacBook Pro network access slow on battery in 10.5.8
Solved!on August 08, 2009, 10:30 PM UTC — from yliu
( 3,542 views )
yliu
( 3,542 views )
After upgrading to Mac OS X 10.5.8 on the MacBook Pro 15 in (early 2008), my wireless network speed plunges when on battery power, compared with adapter power. Ping to the nearest network router on AirPort Extreme should be ~1ms (and is when on adapter power...
#59: getFatBlock error when upgrading Seagate Barracuda 7200.11 firmware
Solved!on July 07, 2009, 11:43 AM UTC — from yliu
( 3,387 views )
yliu
( 3,387 views )
When trying to upgrade firmware on a Seagate Barracuda 7400.11 from version SD15 to SD1A, the FreeDOS boot CD reports a number of " error reading partition table drive 01 sector 0 " errors. This is followed by " get Fatblock failed:0x000000e8 " or some variant...
#51: Broken shell command substitution in crontab
Solved!on June 04, 2009, 11:05 AM UTC — from yliu
( 2,034 views )
yliu
( 2,034 views )
In a cronjob, I want to execute a date sub-command and substitute the results in place into the overall shell command. Something like:
1 5 * * * bash -c 'cp /foo/bar /foo/bar.$(date +%Y%m%d).sql'
Unfortunately, this breaks with an error at runtime:
/bin...
#49: Subversion 1.6.2 explodes on first network access
Solved!on May 28, 2009, 06:05 AM UTC — from yliu
( 1,555 views )
yliu
( 1,555 views )
After compiling Subversion 1.6.2 from source on OS X 10.5 Leopard, the compilation is apparently successful, but svn dies when it tries to connect to the network for the first time. Crash log reports that symbols are missing from libneon.dylib.
Crash report...