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Request failed: unacceptable content-type: text/html using AFNetworking 2.0

I'm trying out the new version 2.0 of AFNetworking and I'm getting the error above. Any idea why this is happening? Here's my code: ...
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What's the difference between “mod” and “remainder”?

... There is a difference between modulus and remainder. For example: -21 mod 4 is 3 because -21 + 4 x 6 is 3. But -21 divided by 4 gives -5 with a remainder of -1. For positive values, there is no difference. share ...
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How do you remove duplicates from a list whilst preserving order?

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Which iOS app version/build number(s) MUST be incremented upon App Store release?

... Apple Technical Note TN2420, Version Numbers and Build Numbers Summary: The pair (Version, Build number) must be unique. The sequence is valid: (1.0.1, 12) -> (1.0.1, 13) -> (1.0.2, 13) -> (1.0.2, 14) ... Version (CFBundleShortVersi...
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How to get input type using jquery?

... 272 EDIT Feb 1, 2013. Due to the popularity of this answer and the changes to jQuery in version 1...
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How to sort objects by multiple keys in Python?

... 72 This answer works for any kind of column in the dictionary -- the negated column need not be a n...
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Saving utf-8 texts in json.dumps as UTF8, not as \u escape sequence

... 12 Answers 12 Active ...
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decorators in the python standard lib (@deprecated specifically)

... category=DeprecationWarning, stacklevel=2) warnings.simplefilter('default', DeprecationWarning) # reset filter return func(*args, **kwargs) return new_func # Examples @deprecated def some_old_function(x, y): return x + y class SomeClass:...
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How to get the process ID to kill a nohup process?

...u could do something like this in the script: nohup my_command > my.log 2>&1 & echo $! > save_pid.txt This will run my_command saving all output into my.log (in a script, $! represents the PID of the last process executed). The 2 is the file descriptor for standard error (stderr) a...
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Maven check for updated dependencies in repository

... 287 The Maven Versions plugin and its display-dependency-updates mojo are what you're looking for:...