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receiver type *** for instance message is a forward declaration

... 441 That basically means that you need to import the .h file containing the declaration of States....
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Is “else if” faster than “switch() case”? [duplicate]

... 14 Answers 14 Active ...
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Why is there no xrange function in Python3?

...timeit instead of trying to do it manually with time. First, Apple 2.7.2 64-bit: In [37]: %timeit collections.deque((x for x in xrange(10000000) if x%4 == 0), maxlen=0) 1 loops, best of 3: 1.05 s per loop Now, python.org 3.3.0 64-bit: In [83]: %timeit collections.deque((x for x in range(1000000...
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Regular expression to match DNS hostname or IP Address?

... 542 You can use the following regular expressions separately or by combining them in a joint OR exp...
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How do I record audio on iPhone with AVAudioRecorder?

...y the user pressing a button on the navBar. The recording uses cd quality (44100 samples), stereo (2 channels) linear pcm. Beware: if you want to use a different format, especially an encoded one, make sure you fully understand how to set the AVAudioRecorder settings (read carefully the audio types ...
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How to programmatically empty browser cache?

... | edited Jul 28 '14 at 19:13 Eric Fuller 13911 silver badge99 bronze badges answered Nov 8 '12 a...
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How do I make a redirect in PHP?

... use die() or exit(): The Daily WTF Absolute or relative URL Since June 2014 both absolute and relative URLs can be used. See RFC 7231 which had replaced the old RFC 2616, where only absolute URLs were allowed. Status Codes PHP's "Location"-header still uses the HTTP 302-redirect code, this is a "te...
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nonlocal keyword in Python 2.x

...| edited Nov 30 '17 at 23:45 user2357112 supports Monica 200k2020 gold badges287287 silver badges373373 bronze badges ...
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PHP exec() vs system() vs passthru()

...| edited Mar 12 '19 at 10:40 ZioCain 32355 silver badges1919 bronze badges answered Apr 9 '09 at 4:50 ...
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SVN upgrade working copy

... 154 You have to upgrade your subversion client to at least 1.7. With the command line client, you h...