To remove these files use purge command

PURGE BINARY LOGS TO 'mysql-bin.010'; -- delete all files created before here specified file
PURGE BINARY LOGS BEFORE '2008-04-02 22:46:26'; -- delete all files created before date and time specified here

Step # 1: Stop the MySQL server process.

Step # 2: Start the MySQL (mysqld) server/daemon process with the –skip-grant-tables option so that it will not prompt for password.

Step # 3: Connect to mysql server as the root user without password.

Step # 4: Setup new mysql root account password i.e. reset mysql password.

Step # 5: Exit and restart the MySQL server.

Here are commands you need to type for each step (login as the root user):

Step # 1 : Stop mysql service

# /etc/init.d/mysql stop

Step # 2: Start to MySQL server w/o password:

# mysqld_safe --skip-grant-tables &

or

# mysqld --skip-grant-tables


Step # 3: Connect to mysql server using mysql client:

# mysql -u root

Step # 4: Setup new MySQL root user password

mysql> use mysql;
mysql> update user set password=PASSWORD("NEW-ROOT-PASSWORD") where User='root';
mysql> flush privileges;
mysql> quit

Step # 5: Stop MySQL Server:

# /etc/init.d/mysql stop

Step # 6: Start MySQL server and test it

# /etc/init.d/mysql start
# mysql -u root -p

was facing same problem of session with IE 8. Many threads suggested for underscore, timezone difference. Real problem is timezone difference. CI creates cookie with server time and IE checks expiry related to client timezone. And here issues comes. You can not change time zone of online server to match clients from all over world. The better solution is change cookie / session expiry time. By default it is two hours. Change it to 24 hours and problem will be solved.

In config.php file change value of following variable

from two hours

$config[‘sess_expiration’]      = 7200;

to 24 hours

$config[‘sess_expiration’]      = 3600 * 24;

Fatal error: Class ‘MY_Controller’ not found in application\controllers\welcome.php on line 4

then reasons can be

1. you are either not loading it properly (via an __autoload() or manually using include())

2. it is in the wrong place.

In CI 2.0 MY_Controller should be in application/core. In previous version it should be in application/library

Edit jquery.autocomplete.js file.

find following code
show: function() {
var offset = $(input).offset();

this code is at around 702 line number

Add following code just below the code you found

var screenWidth = screen.width;
var bodyWidth = $(“body”).width();
if (screenWidth > bodyWidth)
{
var diff = (screenWidth – bodyWidth)/2;
offset.left = offset.left – diff;
}

With this code now jquery autocomplete drop down positioned horizontally properly even if width of the body is fixed. With 100% width there is no problem .

If classes stored  in a session you must define your class before the call to session start().

If you have  in configuration session auto_start = 1, you will have to disable that so you can define your classes before starting the session.

Another easiest workaround is to define  __autoload() function before session start(). This way the appropriate classes are loaded when needed and it will solve the error. also you do not need to make any changes in configuration file

query_posts(orderby=meta_value&meta_key=sort_order&order=ASC’);

REMEMBER: if you use this function then you have to assign sort_order custom field to each post. Otherwise posts which do not have sort_order custom field will not be displayed.