How to Prevent the Rearrangement of Icons on an iPhone

Jailbreak your phone. There is no utility available within the iPhone itself that allows icons to be locked. There is also no available app on the App Store that provides this functionality. However, if you jailbreak your phone, you will have access to apps that will provide you with this feature. Despite the name, jailbreaking an iPhone is not illegal.
Download Springlocker or Lockdown from Cydia. As new apps are constantly being released, there may be other apps that can provide this feature in the future. As of November 2010, these are the two programs that will enable you to lock your icons.
Go into the 'Settings' of your iPhone if you installed Springlocker. There will be a Spring Locker option that gives you the ability to turn 'Lock Icons' on or off. Turn it on to prevent your icons from being accidentally moved or deleted in the future.
If you installed Lockdown, you can stop icons from being moved, and you can also stop them from being opened if you want to restrict access to certain apps on your phone. You can access this feature through the 'settings' on your iPhone. You must turn the 'Lock Icon Placement' option to 'On' to prevent icons from being rearranged.
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How to Update Firmware on a Mac OS X

Click the Apple menu and select 'Software Update' from the drop-down menu. This launches the App Store and automatically sends you to the Updates section. Provide an administrator username and password, if you receive a prompt requesting the information.
Click the 'More' button next to any OS X Update package in the Update section and read the update description to see if any OS X Update packages contain the latest firmware.
Select the 'Update' button next to any options that contain firmware updates. Alternatively, click the 'Update All' button to update all available software. You may need to provide your administrator username and password again.
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How to Design an iPhone Game (7 Steps)

Go to the Apple Developers website to confirm your computer and operating system are compatible with the development software. Read through the site to familiarize yourself with the Apple Developer Program. While the tools can be downloaded for free, you have to enroll in either the Standard Program or Enterprise Program to distribute your games through Apple's App Store. Both programs require a fee to join, but they provide the necessary development resources for testing and distribution.
Sign up to become a registered iPhone developer to proceed to download the tools.
Download the iPhone SDK (Software Development Kit) with Xcode IDE. The Apple site also has downloads available for the interface builder, compilers and shark analysis, as well as frameworks and samples.
Download the iPhone simulator. Use the iPhone simulator to test the program you are building on a virtual iPhone interface on your computer.
Familiarize yourself with Objective-C programming language. Prepare to do a lot of reading. While doing so, experiment with your development tools to understand the way things work.
Take extra care in debugging and error-proofing your software. Try to break your programs when you test them. Perform unusual game play. Touch screen game play, while principally similar to standard mouse game play, opens up possibilities for innovation as well as for critical errors. Not only is careful programming necessary, but seeking problems and conflicts trains you to think ahead and become a more efficient programmer.
Join forums and learn from your fellow developers. If you are stuck on a problem, seek the help of the iPhone programming community. Stay active in the forums to open possibilities that you have not previously considered. Keep at it and don't give up.
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How to Use a USB Hub on a MacBook (3 Steps)

Plug the power adapter of the USB hub into the wall outlet, if you are using a self-powered USB hub. Self-powered USB hubs provide more power to any connected devices than bus-powered USB hubs.
Insert the USB connector of the hub into the USB port closest to you when you face your MacBook.
Plug your USB devices into the ports on the hub. Some devices run solely on the power from the USB connection, while others include a plug for a wall outlet. Your devices will be active as soon as they are connected and have power.
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