‘Open With’ Menu in Mac OS X

Clearing Finder’s ‘Open With’ Menu in Mac OS X Mountain lion

Enter the following command :

/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Support/lsregister -kill -r -domain local -domain system -domain user

Mac Pro Upgrade HD to SSD

Download Carbon Copy Cloner (30 day trial), and install on old hard drive
Aattach new hard drive, can be internally or external
OSX will tell you you attached a drive it can’t read and will automatically start Disk Utility for you (this utility is under Applications, then Utilities)

Select the new drive in Left panel, and erase near middle top
Defaults are fine (journaled is the default)
Give it a new name (bottom box) like NewSSD, SSD, or……
Click erase near bottom right
Close Disk Utility when finished (a few seconds)

Run Carbon Copy Cloner (it’s under your applications)

Choose your old hard drive as the SOURCE, top left
Choose your SSD as destination (top right)
On the left middle area, uncheck any large data folders. You can use Finder and Get Info to confirm this. Use a pen and paper to confirm you are leaving off enough data to fit on the new SSD.

Accept the rest of Carbon Copy Cloner defaults (i.e. don’t change the settings)
Click on Clone (bottom right) this may run 45 minutes to several hours depending on whether both drives are internal or one is connected with Thunderbolt, USB or Firewire, and the amount of data you are copying.

Replace your old hard drive with your new SSD or
If you are using LION, you can just go into System Preferences -> System -> Startup Disk and choose the new SSD as the Startup Disk and you don’t have to change any drive positions if both are already setup internally

Macintosh Accent Codes

Mac Accent Codes / Mac Leestekens

Accented Vowels

For the Template, the symbol “V” means any vowel. The format is to hold the first two keys down simultaneously, release, then type the vowel you wish to be accented.
Note: You should use the French Keyboard if you need to type accents on the letter y.

Acute á Á Option+E, V
Circumflex â Â Option+I, V
Grave à À Option+`, V
Umlaut ë Ë Option+U, V

Example 1: To input the lower case ó, hold down the Option key, then the E key. Release both keys then type lowercase o.
Example 2: To input the capital Ó, hold down the Option key, then the E key. Release all both keys then type capital O.

Other Characters

ç Option+C
Ç Shift+Option+C
« Option+\
» Shift+Option+\
(not on older fonts)

Accented Y in OS X

Example: For Ý, type Option+E, then capital Y.

Disable “Downloaded from Internet” Warnings on Mac OS X’s

Using the Terminal, Snow Leopard (10.6) users can enter this command, substituting “~/Downloads” (the Downloads folder inside the user folder) for whatever file or folder where they’d like to prevent future download warnings.

In 10.6, copy and paste this command:

xattr -d -r com.apple.quarantine ~/Downloads

To remove the warning dialog from already-downloaded files, you need to use Terminal (in Applications -> Utilities).
In 10.5, copy and paste this command:

find ~/Downloads/geeklog-1.6.1 -type f -exec xattr -d com.apple.quarantine {} \;

Note that these commands can take a while to run if there are a lot of files in your Downloads folder. You can also change the directory they run on by modifying the ~/Downloads bit of the command—just change it to reflect the full path to whatever folder you’d like to update. (Remember to use backslashes before spaces, if any of the items on the path contain spaces.)

Permanently disable the warning system

If you’d like to disable the warning dialogs completely (for any files you download in the future), open Terminal and copy and paste this command:

defaults write com.apple.LaunchServices LSQuarantine -bool NO

After you get the command prompt back (you won’t see any feedback; the command prompt will simply appear again), restart your Mac. From now on, you won’t be warned when opening downloaded files. It goes without saying, but making this change reduces the security of your machine.

If you do permanently disable the system, and then decide you’d like it back, repeat the above command, but change NO to YES and reboot your Mac.