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ARC and bridged cast
...ained <CFType>) op or alternatively CFBridgingRetain(op) is used to hand an NSObject over to CF-land while giving it a +1 retain count. You should handle a CFTypeRef you create this way the same as you would handle a result of CFStringCreateCopy(). This could also be represented by CFRetain((_...
Entity Framework .Remove() vs. .DeleteObject()
...EntityCollection.Remove(childEntity) marks the relationship between parent and childEntity as Deleted. If the childEntity itself is deleted from the database and what exactly happens when you call SaveChanges depends on the kind of relationship between the two:
If the relationship is optional, i.e...
Converting dict to OrderedDict
...hip)
What you see when you print the OrderedDict is it's representation, and it is entirely correct. OrderedDict([('PRICE', 250), ('HP', 50), ('NAME', 'Albatross'), ('BLASTERS', 13), ('THRUSTERS', 18)]) just shows you, in a reproducable representation, what the contents are of the OrderedDict.
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What's the optimum way of storing an NSDate in NSUserDefaults?
...t primitive)? Just [sharedDefaults setObject:theDate forKey:@"theDateKey"] and be done with it. NSDate is one of the "main types" supported by the PLIST format (dates, numbers, strings, data, dictionaries, and arrays), so you can just store it directly.
See the documentation for proof.
Just store ...
Warning: The Copy Bundle Resources build phase contains this target's Info.plist file
I've separated a project into two builds and given each of them a plist file. Everything works fine, but I keep getting this build warning:
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vs in Generics
What is the difference between <out T> and <T> ? For example:
5 Answers
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Why is a div with “display: table-cell;” not affected by margin?
...except elements with
table display types other than table-caption, table and inline-table
In other words, the margin property is not applicable to display:table-cell elements.
Solution
Consider using the border-spacing property instead.
Note it should be applied to a parent element with a dis...
jQuery map vs. each
In jQuery, the map and each functions seem to do the same thing. Are there any practical differences between the two? When would you choose to use one instead of the other?
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How to pip install a package with min and max version range?
...tall a package with both a minimum version ( pip install package>=0.2 ) and a maximum version which should never be installed (theoretical api: pip install package<0.3 ).
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How to get a index value from foreach loop in jstl
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I get this Uncaught ReferenceError: loop is not defined ` and +1 for your effort
– Java Questions
Sep 16 '13 at 10:46
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