How to Install Clang for Mac OS X

Today I'm going frustated because can't install some python modules, before I have read that the installation need Xcode. But, after install Xcode I'm still getting error as before.

clang: error: no such file or directory

I think "clang" is build all in one with Xcode, but it's wrong. So I need to install clang manually.

1. Open Xcode
2. Goto Preferences
   
   
   
   
   
   
   
3. Goto Download tabs, short Command Line Tools and click small download icon in the right
   
   
   
   
4. When download began, please wait until done
   
   
   
   
5. Checklist appear, it's mean that the installation successfull
   
   
   
   
6. Your clang installation are down

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There was a problem when install Mac OS X

Today I was get screw when installing Mountain Lion on my MacBook Pro, the USB Installer that contain Mountain Lion can't install correctly. The warning message appear look like this :

The simply way to solve this problem is easy, by reseting the PRAM. We can resetting PRAM using this step.

1. Shut down your Mac. 
2. Locate the following keys on the keyboard: Command (⌘), Option, P, and R. You will need to hold these keys down simultaneously in step 4. 
3. Turn on the computer. 
4. Press and hold the Command-Option-P-R keys before the gray screen appears. 
5. Hold the keys down until the computer restarts and you hear the startup sound for the second time. 
6. Release the keys.

OK, now you can continue to install your Mountain Lion

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