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In which situations do we need to write the __autoreleasing ownership qualifier under ARC?
...declaration means __strong, implicitly:
NSError * e = nil;
Will be transformed to:
NSError * __strong error = nil;
When you call your save method:
- ( BOOL )save: ( NSError * __autoreleasing * );
The compiler will then have to create a temporary variable, set at __autoreleasing. So:
NSErro...
Change key pair for ec2 instance
How do I change the key pair for my ec2 instance in AWS management console? I can stop the instance, I can create new key pair, but I don't see any link to modify the instance's key pair.
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TypeScript with KnockoutJS
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Look at DefinitelyTyped.
"TypeScript type definitions repository for popular JavaScript libraries"
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What is the right way to override a setter method in Ruby on Rails?
...e following is a "proper"/"correct"/"sure" way to override a setter method for a my class attribute.
5 Answers
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Difference between natural join and inner join
...** when you least expect it. In my world, using a natural join is grounds for dismissal.
– user565869
Jan 6 '14 at 18:51
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Spring RestTemplate - how to enable full debugging/logging of requests/responses?
I have been using the Spring RestTemplate for a while and I consistently hit a wall when I'am trying to debug it's requests and responses. I'm basically looking to see the same things as I see when I use curl with the "verbose" option turned on. For example :
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Conditionally ignoring tests in JUnit 4
OK, so the @Ignore annotation is good for marking that a test case shouldn't be run.
4 Answers
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How can I output UTF-8 from Perl?
...ac OS X 10.5 (Leopard), and I'm editing with TextMate. All of my settings for both my editor and operating system are defaulted to writing files in utf-8 format.
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What's the best way of structuring data on firebase?
...eads easy. Keep logical components that are read separately separate (e.g. for chat rooms, don't put the messages, meta info about the rooms, and lists of members all in the same place, if you want to be able to iterate the groups later).
The primary difference between Firebase's real-time data and...
Difference between std::result_of and decltype
I have some trouble understanding the need for std::result_of in C++0x. If I understood correctly, result_of is used to obtain the resulting type of invoking a function object with certain types of parameters. For example:
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