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What is a double in xcode?

What does Xcode indexing do and does it hurt if I disabled it?

  • I am new to ios developing using a 2-year-old 13" Macbook pro with 4G ram. I found that xcode 4 alway running a indexing comment and using up all my computer resources. I found a way online to disables it: http://www.kumobius.com/2011/09/disable-indexing-in-xcode-4-for-better-performance/ . However, I do not know if it will cause some other issues for developing apps. So what exactly does indexing do and is it safe to disable it?

  • Answer:

    I would not recommend to turn off indexing. You will lose features such as autocomplete and ability to quickly jump to definition and get class and method help by alt clicking. If you're a registered developer you could try XCode 5. It is said to speed up indexing quite a bit.

Mathias Amnell at Quora Visit the source

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Don't turn it off. It will hurt you a great deal. It scans your code for suggestions and auto complete among other things like helping you in story boards and vice versa. I could be mistaken. But I think you have a Macbook pro with a DVD rom. Then you can actually do some great things. If you really plan on doing anything with xcode, get at least 8GB memory into that machine. It is only a few dollars, it pays back in no time. Same with getting an SSD disk. It is like getting a supercharger. I would even recommend getting the 16GB memory. But if you have a computer with everything built on the motherboard, then at least you have ssd disk, that makes xcode usable on such low memory. Even on the latest i7 with 16GB memory, Xcode is no speed deamon. But it is still in my opinion best application development environment out there, but that is just my opinion. But don't turn indexing off.

Trausti Thor Johannsson

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