Mac OS X programming FAQ: How can I create a Mac ICNS file for my Mac application? Lately I've been creating a series of small Mac applications, and as part of that I needed to learn how to make Mac ICNS files from standard image files (PNG, JPG, other). Sometimes resetting the NVRAM / PRAM on a Mac can help resolve the USB port failure as well, since NVRAM holds various data about keyboards, mouse, trackpad, and other USB components. Here is how you can perform the NVRAM reset on a Mac to see if this resolves the USB failure. Tip 1: Create USB password reset disk Windows 10 on Mac. Get USB flash drive out of Mac and you will successfully get a Windows 10 password reset disk from Mac, which actually applies to Windows password reset for all Windows systems. Reset usb on macbook pro. Easily learn how to reset your Mac laptop USB port for a quick fix. So your USB port on your Mac laptop stopped working? We've got a fix, no matter if it's a MacBook Air or a MacBook Pro. Before we get to fixing the MacBook, keep in mind that things like flash drives, external hard drives, mice. I'm developing onto Arduino and sometimes the USB port that is being used stops working. Then I need to plug the device into another USB port. USB ports are often used for high-speed data transfers; however, hardware problems can make them faulty. If you're having trouble using USB devices with your Mac, resetting the USB ports makes them operational again. If you need to create icons for an application on a Mac OS X system, Apple provides a small application named 'Icon Composer'. If you have the Xcode tools installed, this application is in the /Developer/Applications/Utilites/Icon Composer folder on your system. (Choose Macintosh HD, then Developer, Applications, Utilities, and then the Icon Composer application.) More to the point, this utility program helps you create icons in Apple's 'icns' format from icon images in other formats. ![]() ![]() To use the tool it's preferred that you supply images at four different resolutions: 16x16, 32x32, 48x48, and 128x128. But, you can create a.icns file with as little as one image. Apple's help on this subject states: 'If you give IconComposer only one image, it should be optimized to look best at 128x128 pixels. This ensures it looks goods when displayed at the maximum resolution of 128x128 pixels, and looks acceptable when scaled down to the smaller resolutions.' Regarding image formats you can supply, the help system also states: 'IconComposer can create icons from the following image formats: GIF, JPEG, PDF, PICT, PNG, TIFF, and any of the QuickTime-supported image formats.'
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