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How to use the same C++ code for Android and iOS?

...ring; } @end This class has the responsibility to convert CPP types and calls to Obj-C types and calls. It is not mandatory once you can call CPP code on any file you want on Obj-C, but it helps to keep the organisation, and outside your wrapper files you maintain a complete Obj-C styled code, on...
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How to join NSArray elements into an NSString?

...rmsterror : forgot to mention this code was for ARC. Also, the mutablecopy call is the modern objective-c convention for creating mutable version of objects using @-syntax ( such as [@[] mutablecopy] for a mutable nsarray). don't know what a difference it makes performance wise. ...
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_DEBUG vs NDEBUG

...lar as This is the same as the Standard C library. In C89 (C programmers called this standard as standard C) in "4.2 DIAGNOSTICS" section it was said http://port70.net/~nsz/c/c89/c89-draft.html If NDEBUG is defined as a macro name at the point in the source file where is included, the ...
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How to get a cross-origin resource sharing (CORS) post request working

...w the response to continue. You need to ensure the response header specifically includes the required headers. ie: Access-Control-Allow-Headers: x-requested-with share | improve this answer ...
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What is meant by “managed” vs “unmanaged” resources in .NET?

... // Code to use connection here } As this ensures that .Dispose() is called on the connection object, ensuring that any unmanaged resources are cleaned up. share | improve this answer ...
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Async image loading from url inside a UITableView cell - image changes to wrong image while scrollin

...r. updateCell.poster.image = nil to cell.poster.image = nil; updateCell is called before it's declared. – Segev May 21 '13 at 7:09 1 ...
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What is difference between Collection.stream().forEach() and Collection.forEach()?

...rable.forEach takes the collection's lock once and holds it across all the calls to the action method. The Stream.forEach call uses the collection's spliterator, which does not lock, and which relies on the prevailing rule of non-interference. The collection backing the stream could be modified duri...
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Global and local variables in R

... <<-" > bar [1] "global" The first time we print bar we haven't called foo yet so it should still be global - this makes sense. The second time we print it's inside of foo before calling baz so the value "in foo" makes sense. The following is where we see what <<- is actually doin...
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How to overcome TypeError: unhashable type: 'list'

...ionary keys during a dictionary lookup quickly. Internally, hash() method calls __hash__() method of an object which are set by default for any object. Converting a nested list to a set >>> a = [1,2,3,4,[5,6,7],8,9] >>> set(a) Traceback (most recent call last): File "<stdin...
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Where does Scala look for implicits?

...s Implicits in Scala refers to either a value that can be passed "automatically", so to speak, or a conversion from one type to another that is made automatically. Implicit Conversion Speaking very briefly about the latter type, if one calls a method m on an object o of a class C, and that class ...