Cocoa: Convert number to comma-separated NSString

At some point in your Mac, iPhone, or iPad development you may find the need to express a long number (1000000000) as a comma-separated string (1,000,000,000) to make life easier on your users. The NSNumberFormatter class is a rich tool for converting numbers to strings supporting different types of currencies and localizations. It’s also the perfect class to leverage for our comma-ing task.

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Google Nexus One: How to Prevent the Screen from Entering Sleep Mode While Charging

If you would like to keep your Nexus One’s screen on while it charges so that you can make use of applications like the Clock app, you can but you need to know where to look.

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Google Nexus One: How to Quickly Access Your Recent Applications

If you want to use an application that you recently used, instead of hunting for it via the Launch button, you can access the Recent Applications window and quickly access the application from there.

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Google Nexus One: How to Send All Calls From a Contact to Voicemail

Situations arise where you need calls from a contact to go to Voicemail instead of answering their calls. You can set your Nexus One to send calls from a contact to voicemail automatically and directly, so that your phone will never ring when they call.

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Google Nexus One: How to Change the Text Message (SMS) Limit Per Conversation

By default, the Nexus One limits text messages to 200 messages per conversation. You can change this value to one that better meets your messaging needs.

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Google Nexus One: How to Change the Delay Before Automatic Screen Turn Off

To help preserve battery power, the Nexus One has a screen timeout setting that will turn the screen off after a certain amount of time that there is no activity. You can change the delay time and extend or reduce the amount of time before your device’s screen turns off.

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Google Nexus One: How to Use Folders to Store and Organize Your App Shortcuts

By using folders to group your various application shortcuts, you can stay organized and preserve precious Home screen real estate.

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Google Nexus One: How to View YouTube Videos in High Resolution

If your device is connected to a wireless network, why watch YouTube videos in standard resolution when you can watch them in high res? In a couple of taps, you can view the video that you’re watching in high resolution.

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