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Understanding FFT output

...is your DC offset and carries no frequency dependent information). You get 32 real and 32 imaginary outputs because you are using a complex to complex FFT. Remember that you've converted your 32 samples into 64 values (or 32 complex values) by extending it with zero imaginary parts. This results in...
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Xcode 4.2 debug doesn't symbolicate stack call

...all (there can be only one handler for your entire app). For example, some 3rd party libraries set their own uncaughtExceptionHandler. So, try setting it at the END of your didFinishLaunchingWithOptions function (or selectively disabling 3rd party libraries). Or better yet, set a symbolic break poin...
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How can I remove the string “\n” from within a Ruby string?

... | edited Jul 30 '12 at 0:19 answered Nov 16 '10 at 2:53 ...
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How to create a new database after initally installing oracle database 11g Express Edition?

...cle Database XE 11g Release 2 (11.2), you must use SQL Developer version 3.0. This section assumes that SQL Developer is installed on your system, and shows how to start it and connect to Oracle Database XE. If SQL Developer is not installed on your system, see Oracle Database SQL Developer ...
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Python's json module, converts int dictionary keys to strings

... | edited Mar 11 at 21:35 answered Sep 20 '09 at 19:56 J...
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ListView item background via custom selector

... | edited Sep 27 '16 at 13:07 Piyush 23.6k66 gold badges3434 silver badges6969 bronze badges answered M...
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UIButton inside a view that has a UITapGestureRecognizer

... Lily BallardLily Ballard 164k2525 gold badges355355 silver badges331331 bronze badges ...
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Function overloading by return type?

...ext, so compare: print join " ", localtime(); # printed "58 11 2 14 0 109 3 13 0" for me right now print scalar localtime(); # printed "Wed Jan 14 02:12:44 2009" for me right now. Every operator in Perl does something in scalar context and something in list context, and they may be different, as ...
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Efficient list of unique strings C#

... If you are using .NET 3.5, the HashSet should work for you. The HashSet<(Of <(T>)>) class provides high performance set operations. A set is a collection that contains no duplicate elements, and whose elements are in no par...
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How can I post data as form data instead of a request payload?

... answered Jul 11 '12 at 23:31 mjibsonmjibson 16.4k77 gold badges2727 silver badges3838 bronze badges ...