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Should I use @EJB or @Inject
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Update: This answer may be incorrect or out of date. Please see comments for details.
I switched from @Inject to @EJB because @EJB allows circular injection whereas @Inject pukes on it.
Details: I needed @PostConstruct to call an @Asynchronous method but it would...
std::unique_ptr with an incomplete type won't compile
...led (implicitly or explicitly) in several PIMPL situations (already in the outer class's destructor and move assignment operator).
As already pointed out in another answer, one way to avoid that is to move all operations that require unique_ptr::~unique_ptr(), unique_ptr::operator=(unique_ptr&&...
How to instantiate non static inner class within a static method?
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You have to have a reference to the other outer class as well.
Inner inner = new MyClass().new Inner();
If Inner was static then it would be
Inner inner = new MyClass.Inner();
share
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is_file or file_exists in PHP
...atcache(); since the results for is_file and file_exists are cached throughout the script. Anyways file_exists() is a bit slower, but shouldn't make any difference unless you perform around 100K file checks. php.net/manual/en/function.clearstatcache.php
– Tivie
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Placeholder in UITextView
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Good stuff! Reminder about best practices for NSString (or any class that has a NSMutableXXX equivalent), property should be "copy" and not "retain".
– Oli
Jul 28 '11 at 20:37
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What is a servicebus and when do I need one?
I have heard talk about the NServiceBus , but I haven't really understood what it is. They claim to be "The most popular open-source service bus for .net".
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What is the purpose of the '@' symbol in CSS?
...gainst a white (the paper) background. You can use media queries to filter out print media, mobile devices and so on, and style pages differently for those.
At-rules have no relation to selectors whatsoever. Because of their varying nature, different at-rules are defined in different ways across n...
Why is JsonRequestBehavior needed?
...h [HttpPost]. However the MVC authors are giving you a layer of protection out of the box against this kind of attack. Since you need to make effort to add the 2nd argument, you should take that time to consider what data you are exposing, and how sensitive it is.
– danludwig
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CSRF protection with CORS Origin header vs. CSRF token
This question is about protecting against Cross Site Request Forgery attacks only.
2 Answers
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dealloc in Swift
...}
is the correct answer for Swift "dealloc".
However, it is good to point out new in iOS 9 that NSNotificationCenter no longer needs to be cleaned up!
https://developer.apple.com/library/content/releasenotes/Foundation/RN-FoundationOlderNotes/index.html#X10_11Notes
NSNotificationCenter
In OS X 10....