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items tagged with issue

corrupted mos_session table
Written By: Administrator
Section: Joomla
Category: How To
2006-08-03 23:33:56
 10 minutes ago, I got a strange error message:

DB function failed with error number 1016
Can't open file: 'mos_session.MYI'. (errno: 145) SQL=SELECT session_id FROM mos_session WHERE session_id=MD5('e20eafcf277b7bc0dd125357b4a1b223')
SQL =
SELECT session_id FROM mos_session WHERE session_id=MD5('e20eafcf277b7bc0dd125357b4a1b223'

I was not able to access the frontend or admin panel of my homepage. I tried to look in PHPMyAdmin the table mos_session but was getting the same error message. The only solution was to recreate the table with the following code:

DROP TABLE IF EXISTS `mos_session`;
CREATE TABLE `mos_session` (
  `username` varchar(50) default '',
  `time` varchar(14) default '',
  `session_id` varchar(200) NOT NULL default '0',
  `guest` tinyint(4) default '1',
  `userid` int(11) default '0',
  `usertype` varchar(50) default '',
  `gid` tinyint(3) unsigned NOT NULL default '0',
  PRIMARY KEY  (`session_id`),
  KEY `whosonline` (`guest`,`usertype`)
) TYPE=MyISAM;

Why my table has crashed is still unknow but I am looking further in logs files...


Dealing with Suse 9.3 problems
Written By: Administrator
Section: Suse Linux
Category: SuSE 9.3
2005-05-06 21:07:11

I've installed SuSE 9.3 on a Notebook HP Nx7000 and a AMD desktop without any major difficulties except the fact that for some legal reasons, Novel has removed the ability of SuSe to play out the box any Divx, Xvid, mp3. In fact If You have a acess to internet, the online update tool may resolve some of these issues (You will have to download what Novel call "Multimedia pack" ). After using 2 years long SuSE 9.0, 9.1, 9.2 and now 9.3 I found pathetic that I still need to remove this crappy noatun, kaffeine and xine because they simply do not work as good as Mplayer or even better Videolan (VLC). Note that both Videolan, or VLC can not be install through YaST, and I think that it is really a big mistake.
So let repair this by:

  • Installing APT-GET packaging system (a lot simpler than YaST as It deal with package conflicts!!!), First read this page, then If You are interested read on :-)
  • Decode encrypted DVD  under Suse 9.3
  • Install Videolan (VLC), the best multiplattform video player

 Before deciding to buy it, download it (FTP source are here), or starting Your favorite Bittorent client, You can


Read More About Dealing With Suse 9.3 Problems...

Raptor 30 Wah Wah, Woof and poof
Written By: Administrator
Section: RC helicopter
Category: Techniques
2004-09-01 23:35:23
Raptor 30 Wah Wah is the term used to decribe the sound that comes from the autorotation hub engageing and disengagine from turning the mainshaft due to a poor running motor in the mid-range. It is usually induced during descents. Just say Wah Wah Wah Wah Wah in about a seconds time. That is what it sounds like. Many people including myself believe the best solution is to put a load on the autorotation unit by using a slipper. Or, you can chase the needles around richening the motor up.

Raptor 30 Woof is the condition where the mainblades go violently out of track occasionally stricking the boom in flight("Poof"). Most often this is caused by using blades with an unstable chordwise CG AND slop in the rotor head. With the V1's slop it was never a good idea to run unstable blades unless you work the slop out of the blade grips, cyclic control, and lower the headspeed.
Technically it is "aeroelastic instability" which allows the blade to "couple" or resonate in pitch in a multiple of the rotation rate. The Raptor trailing edge control arm can make it much more sensitive because of the "Delta" result. "flipping" the head goes a long way in "fixing" it




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