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Implementing Fast and Efficient Core Data Import on iOS 5

... sense having that MOC wait until the end to save. It has its own thread, and it will help keep memory down as well. You wrote: Then at the end of the import process, I save on the master/parent context which, ostensibly, pushes modifications out to the other child contexts including the m...
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Set padding for UITextField with UITextBorderStyleNone

... Using ARC, why does my app hang and use a lot of CPU if I reuse *paddingView with multiple text fields? – The Muffin Man Nov 27 '13 at 17:03 ...
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What are the differences between concepts and template constraints?

...w what are the semantic differences between the C++ full concepts proposal and template constraints (for instance, constraints as appeared in Dlang or the new concepts-lite proposal for C++1y ). ...
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PostgreSQL delete with inner join

...uctprice B USING m_product C WHERE B.m_product_id = C.m_product_id AND C.upc = '7094' AND B.m_pricelist_version_id='1000020'; or DELETE FROM m_productprice WHERE m_pricelist_version_id='1000020' AND m_product_id IN (SELECT m_product_id ...
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Turning live() into on() in jQuery

... The on documentation states (in bold ;)): Event handlers are bound only to the currently selected elements; they must exist on the page at the time your code makes the call to .on(). Equivalent to .live() would be something like $(document.body).on('change', 'select[nam...
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Find the index of a dict within a list, by matching the dict's value

...answered Dec 8 '10 at 20:03 toklandtokland 58.5k1212 gold badges124124 silver badges159159 bronze badges ...
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jQuery event to trigger action when a div is made visible

I'm using jQuery in my site and I would like to trigger certain actions when a certain div is made visible. 22 Answers ...
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Adding two Java 8 streams, or an extra element to a stream

... If you add static imports for Stream.concat and Stream.of, the first example could be written as follows: Stream<Foo> stream = concat(stream1, concat(stream2, of(element))); Importing static methods with generic names can result in code that becomes difficult ...
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How do I interactively unstage a particular hunk in git?

... according to the documentation. The short form -p also works for both commands. share | improve this answer | follow | ...
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Easy way to test a URL for 404 in PHP?

I'm teaching myself some basic scraping and I've found that sometimes the URL's that I feed into my code return 404, which gums up all the rest of my code. ...