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Understanding NSRunLoop

...y, though there are some (networking) components that may allow you to specify which run loop they will use for I/O processing. A run loop for a given thread will wait until one or more of its input sources has some data or event, then fire the appropriate input handler(s) to process each input sou...
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Is it better to call ToList() or ToArray() in LINQ queries?

... make it into Gen 2 then you may be better off paying the extra allocation now vs polluting the Gen 2 heap. IME though I rarely see this. It's much more common to see ToArray being passed immediately to another short lived LINQ query. – JaredPar May 1 '13 at 1...
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PostgreSQL: insert from another table

... Very late answer, but I think my answer is more straight forward for specific use cases where users want to simply insert (copy) data from table A into table B: INSERT INTO table_b (col1, col2, col3, col4, col5, col6) SELECT col1, 'str_val', int_val, col4, col5, col6 FROM table_a ...
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How to limit UITableView row reordering to a section

...exPath toProposedIndexPath:(NSIndexPath *)proposedDestinationIndexPath { if (sourceIndexPath.section != proposedDestinationIndexPath.section) { NSInteger row = 0; if (sourceIndexPath.section < proposedDestinationIndexPath.section) { row = [tableView numberOfRowsInSection:sourceInd...
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What is an OS kernel ? How does it differ from an operating system? [closed]

... Nice. However your answer is verbatim taken from the "Further reading". Now I know how to get lots of upvotes via copy and paste. LOL. Still helpful nonetheless. – lacostenycoder Nov 27 '19 at 22:46 ...
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Gesture recognizer and button actions

...n the right direction. Although this solves my problem, but i still don't know why the responder hierarchy is not working in this case. It probably should, but it's not being handled by Apple. – Mustafa Jan 28 '11 at 7:29 ...
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What is this weird colon-member (“ : ”) syntax in the constructor?

...entry is that, All other things being equal, your code will run faster if you use initialization lists rather than assignment. share | improve this answer | follow ...
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What are the most interesting equivalences arising from the Curry-Howard Isomorphism?

...ally writing such a function is difficult. I see in your profile that you know Haskell, so maybe you're thinking in algebraic data types and pattern matching? Consider that an uninhabited type must have no constructors and, thus, nothing to pattern match against. You'd have to write a "function" wit...
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Combine multiple Collections into a single logical Collection?

... constant number of collections (e.g. 3 ArrayLists) as members of a class. Now, I want to expose all the elements to other classes so they can simply iterate over all elements (ideally, read only). I'm using guava collections and I wonder how I could use guava iterables/iterators to generate a logic...
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Return HTTP status code 201 in flask

We're using Flask for one of our API's and I was just wondering if anyone knew how to return a HTTP response 201? 9 Answers...