How to upgrade CakePHP or any other package that is under subversion control with Rsync
Actually this is more simple than you might think.
First you checkout your current version. Then download and un-tar the new version and simply run the following command on your shell/terminal:
rsync -av --exclude '.svn' --exclude '._*' my/new/cakephp-cakephp-efb6e08/ my-old-cakephp/
This will exclude your Subversion .svn directories and it will also exclude the META-data files created by Mac OS X.
Good luck with upgrading! 
iMac or Macbook (Pro), Self Assigned IP Address problem with Wifi Airport connections
I was having an issue with my Macbook Pro lately that the DHCP client couldn't get an IP from the DHCP server. This happened on different networks and it didn't happened every time. The message in the network settings was: "Self Assigned IP Address". After a while I really wanted to have a solution for this so I started spitting in the logs first...
I ended with no result at all, but suddenly I remembered that other programs might behave weird when their preference files are corrupted or if there are mistakes in them.
Then I found the following file:
/Library/Preferences/SystemConfiguration/com.apple.airport.preferences.plist
I first turned off my airport before doing any action to this file.
I opened the file to sniff around and there it was, a missing close tag in the XML. I first fixed this, without no result as expected. Then I moved the file to my desktop, compressed it, trashed the original file and cleared my trash. Then I turned back on the Airport and clicked my network... It connected, since then my wireless problems are solved
The error you see in the network preferences reads as follows: AirPort has the self-assigned IP address 169.254.67.44 and will not be able to connect to the internet.. But I'm sure you will notice that as soon you have this problem 
Update Mac OS X Finder Workflows to Services, rename files to lowercase
As some of you might have noticed, the folder actions submenu where you could add your own workflows isn't there anymore in Mac OS X 10.6 (Snow Leopard).
Apple decided to move this to the service menu instead, which is in my opinion a good step since you can now add a service action to almost every program on your Mac.
On my Mac I had a workflow to easily rename all selected files form a UpPeRcaseD name to a lowercase name.
The first thing I noticed when I needed this workflow that it wasn't there... So I looked around a bit and when opening the workflow in Automator it gave an error that it was an old workflow that needs to be updated to a new version.
Since the workflow is quite simple I decided to make a new one. While doing this I found the service option.
Fist I thought I didn't need that but after about 2 minutes I noticed that it was the new way of adding your workflows to Finder or other applications.
Well, lets get started... Fire up Automator!
Create a new service
Search for Finder and drag "Get Selected Finder Items" to the right
You might get this warning, simply click Don't Add
Search for "Rename" and drag "Rename Finder items" to the right
In the above image you can also see the right settings. Change case of the Full name to lowercase.
Save the service
You will end up with this screen, quit Automator
Now your ready to test your service.
Goto a folder where you want to lowercase your files and select the items you want to rename to lowercase. Goto the "Finder" menu and click your newly created service.
Good luck
How to determine the partition sizes of your disk for FreeBSD usage
Partition sizes
First of all, what I mostly do. I press A for the default partitions and then raise them. Below are some default sizes who are advised.
| partition | mountpoint | size | SoftUpdates | my size |
|---|---|---|---|---|
| a | / | 1GB | N | 1GB |
| b | SWAP | 2-3x RAM size | - | 2x RAM size |
| d | /var | 512MB to 4096MB | Y | 5GB |
| e | /tmp | 1GB | Y | 1GB |
| f | /usr | Rest of disk (at least 8GB) | Y | Rest |
For the root partition it might be smart to keep track of how large the kernel is.
This size was a default of 512MB but this is too small to install 2 kernels (kernel and kernel.old).
Another thing is the /tmp partition, this defaults to 512MB, raise it to 1GB (for tar / gzip etc)
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