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How do I avoid capturing self in blocks when implementing an API?

I have a working app and I'm working on converting it to ARC in Xcode 4.2. One of the pre-check warnings involves capturing self strongly in a block leading to a retain cycle. I've made a simple code sample to illustrate the issue. I believe I understand what this means but I'm not sure the "corre...
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Difference between Hive internal tables and external tables?

... prestomationprestomation 6,14133 gold badges3434 silver badges3737 bronze badges ...
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Relatively position an element without it taking up space in document flow

...container – Alex H Feb 20 '17 at 6:24 @AlexH Unfortunately, this method does not offer a way to do that. I'd advise at...
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What is a word boundary in regex?

... | edited Jul 4 '12 at 21:40 Gilles 'SO- stop being evil' 87.9k2424 gold badges184184 silver badges224224 bronze badges ...
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Why use static_cast(x) instead of (int)x?

... 641 The main reason is that classic C casts make no distinction between what we call static_cast&lt...
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Should “node_modules” folder be included in the git repository

... Aaron Greenlee 4,41433 gold badges2121 silver badges3333 bronze badges answered Aug 8 '13 at 17:10 ivoszzivoszz ...
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What are the differences between double-dot “..” and triple-dot “…” in Git commit ranges?

... TOP KEK 2,35344 gold badges2626 silver badges5555 bronze badges answered Jan 20 '09 at 20:46 PieterPieter ...
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Difference between application/x-javascript and text/javascript content types

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Convert columns to string in Pandas

...refore your keys to strings): In [11]: df = pd.DataFrame([['A', 2], ['A', 4], ['B', 6]]) In [12]: df.to_json() Out[12]: '{"0":{"0":"A","1":"A","2":"B"},"1":{"0":2,"1":4,"2":6}}' In [13]: df[0].to_json() Out[13]: '{"0":"A","1":"A","2":"B"}' Note: you can pass in a buffer/file to save this to, al...
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What is the difference between Modal and Push segue in Storyboards?

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