The list below shows the codes for web safe colors. I kept this list on my usb drive and always had seach from the net numerous times as I don’t bring my usb drive with me all the time. Take note that most of the monitors and browsers can now display millions of colors and shades. Go somewhere else to get all of them hehe

By the way, I only realized now that my little blog site lacks color. Too bad I only realized this after making this post.

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SELECT * FROM ALL_DIRECTORIES;

The query above will display all the directories accessible to the current user. They are folders in the server where you can write your output files. For some reason, I forgot about this twice already and had to scour the web to find it. The problem is, I also forgot the keywords. So, I’m writing it now.

To register new directories, you can follow the example below.

Example
create or replace directory mydir as 'c:\mydirectory';

To use, run the code below.

declare
f utl_file.file_type;
begin
f := utl_file.fopen('MYDIR', 'myfilename.txt', 'w');
utl_file.put_line(f, 'just another line text 1');
utl_file.put_line(f, 'just another line text 2');
utl_file.fclose(f);
end;

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Step 2 Pull down More Filters menu and click on “Subscription ang agreements” –> “Subscriptions”

Click the image to view larger size

Step 3From the list of your subscriptions, click on Details

Step 4Finally, click on “Cancel Subscription” button.

And that’s it!

The navigation is really counter intuitive. This is a usability problem and I hope PayPal will fix that sooner than later.

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1. Cannot load /etc/httpd/modules/mod_dav_svn.so
2. Invalid command ‘AuthUserFile’

Solution

Uncomment the following lines in httpd.conf

LoadModule dav_svn_module modules/mod_dav_svn.so
LoadModule authz_svn_module modules/mod_authz_svn.so


It turned out that I commented these files to limit the number of modules loaded on Apache. I’m only loading the bare minimum so that WordPress would run properly on my VPS.

Step 1: Install SubVersion via yum
yum install mod_dav_svn subversion

Step 2: Edit Apache Config
vi /etc/httpd/conf/httpd.conf

make sure to uncomment the following lines.
LoadModule authn_file_module modules/mod_authn_file.so
LoadModule dav_module modules/mod_dav.so

Step 3: Restart Apache
service httpd start

Step 4: Edit subversion.conf

cd /etc/httpd/conf.d/
vi subversion.conf

make sure the modules below are also uncommented
LoadModule dav_svn_module modules/mod_dav_svn.so
LoadModule authz_svn_module modules/mod_authz_svn.so

Add the following to allow a basic authentication and point Apache to where the actual repository resides.

<Location /repos>
DAV svn
SVNParentPath /var/www/svn/repos

AuthType Basic
AuthName "Authorization Realm"
AuthUserFile /etc/svn-auth-conf
Require valid-user
</LimitExcept>
</Location>


VPS ALERT!!!!
Since I’m using Virtual Private Server (VPS) and suPHP, I have the code below. Take note that the location is inside the VirtualHost directive.

<VirtualHost *:80>
ServerAdmin support@domain.com
DocumentRoot /var/www/domain.com
ServerName domain.com
ServerAlias *.domain.com
suPHP_Engine on
suPHP_UserGroup myuser myuser
AddHandler x-httpd-php .php .php3 .php4 .php5
suPHP_AddHandler x-httpd-php
ErrorLog logs/domain.com-error_log
LogFormat "%h %l %u %t \"%r\" %>s %b" common
CustomLog logs/domain.com-access_log common
<Location /repos>
DAV svn
SVNParentPath /var/www/domain.com/repos SetHandler repos

</Location>>
</VirtualHost>

Step 5: Set the Password for your Users

[root@vps ~]# htpasswd -cm /etc/svn-auth-conf yourusername
New password:
Re-type new password:
Adding password for user yourusername
[root@vps ~]# htpasswd -m /etc/svn-auth-conf anotherusername
New password:
Re-type new password:
Adding password for user anotherusername


Step 6: Create Your Repository

[root@vps ~]# cd /var/www/ -- Or wherever you placed your path above
[root@vps ~]# mkdir svn
[root@vps ~]# cd svn
[root@vps ~]# svnadmin create repos
[root@vps ~]# chown -R apache:apache repos
[root@vps ~]# service httpd restart


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It is so damn simple…. if you know how.

What I like most about it is the fact that I did not need to install any new software (like WinXP PowerTools). The stock Mac OSX already has this tool.

Here’s the list of bugs.
610898
Bug 13288
653134

Meanwhile, a solution/workaround has been posted at ubuntu forum. Click here to view the thread. If you are too lazy to open yet another window/tab, here’s what fixed my Ubuntu install.

Problem #2:

You have Wubi installed and are able to boot Windows normally.

However, attempting to boot Ubuntu leads to a number of possible failures including, but not limited to, the following:

computer reboots without user interaction, a black screen with or without any error messages, loadfont errors, file not found errors, and the like.

These issues affect the following versions: 10.04, 10.04.1, and 10.10

The solutions for each version are somewhat different and will be noted next to the relevant solution.

Solution #1 (10.04):

If it is a 10.04 install, the fix is to boot an Ubuntu LiveCD/USB, loop mount the wubi root.disk and manually edit the grub.cfg file.

Here’s the steps

sudo mkdir /media/win
sudo mount /dev/sda1 /media/win
sudo mount -o loop /media/win/ubuntu/disks/root.disk /mnt
sudo cp /mnt/boot/grub/grub.cfg /mnt/boot/grub/grub.cfg.copy
sudo chmod +w /mnt/boot/grub/grub.cfg
gksu gedit /mnt/boot/grub/grub.cfg


Note, this is only applicable for WUBI.

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Reload MySQL Backup to DB
In case you want to reload your backup, here’s the syntax for it.

mysql -u<dbuserid> -p <dbase_name> < <path/filename>


Sample

mysql -uroot -p wp_dbase < /usr/kwatog/wpdb_20100813.sql


Again, it’s so easy, no?

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Step 1

Suppose that you want mod as your new table prefix, run the following in your phpMyAdmin.

RENAME TABLE wp_commentmeta TO mod_commentmeta
,wp_comments TO mod_comments
,wp_links TO mod_links
,wp_options TO mod_options
,wp_postmeta TO mod_postmeta
,wp_posts TO mod_posts
,wp_terms TO mod_terms
,wp_term_relationships TO mod_term_relationships
,wp_term_taxonomy TO mod_term_taxonomy
,wp_usermeta TO mod_usermeta
,wp_users TO mod_users;


Step 2


UPDATE `mod_options`
SET `option_name` = 'mod_user_roles'
WHERE `option_name` ='wp_user_roles'
AND `blog_id` =0;


Step 3


UPDATE `mod_usermeta`
SET `meta_key` = REPLACE( `meta_key` , 'wp_', 'mod_' )
WHERE option_name LIKE 'wp_%';

The preceding two steps are needed because in the later versions of WordPress, some tables are converted to records. Skipping these two steps will lead to permission error. To be specific, the error is as below.

You do not have sufficient permissions to access this page.

Hmn… well, that’s just it.

Usual Disclaimer

Renaming your table doesn’t mean that you’ll be safe from the bad guys (otherwise known as ‘hackers’). It’s just one of the holes to plug and will only help in hardening your installation. However, be aware that there could be other things that can break or compromised. So be vigilant and always install the latest version of WordPress.

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Syntax


IFNULL(expr1,expr2)


Usage

If expr1 is not NULL, IFNULL() returns expr1; otherwise it returns expr2. Take note that IFNULL() returns a numeric or string value, depending on the context in which it is used. I haven’t used it for other data types yet but I reckon it would have the same results. That is to return the same data type as that of expr1. Another important thing to remember is that expr1 and expr2 should have the same data type

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