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JSF backing bean structure (best practices)
...et people's opinions on best practices for the interface between JSF pages and backing beans.
6 Answers
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How do I check if there are duplicates in a flat list?
...N log N) for non-hashable comparables, otherwise it's down to O(N squared) and there's nothing one can do about it:-(.
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Spring: @Component versus @Bean
I understand that @Component annotation was introduced in spring 2.5 in order to get rid of xml bean definition by using classpath scanning.
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Achieving bright, vivid colors for an iOS 7 translucent UINavigationBar
...is update. Right now, the best solution seems to be to just 'deal with it' and hope that whatever color you choose can render a translucent effect. I am still looking into ways of getting around this.
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Python dictionary: are keys() and values() always the same order?
It looks like the lists returned by keys() and values() methods of a dictionary are always a 1-to-1 mapping (assuming the dictionary is not altered between calling the 2 methods).
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Random data in Unit Tests?
...a coworker who writes unit tests for objects which fill their fields with random data. His reason is that it gives a wider range of testing, since it will test a lot of different values, whereas a normal test only uses a single static value.
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Should I declare Jackson's ObjectMapper as a static field?
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Yes, that is safe and recommended.
The only caveat from the page you referred is that you can't be modifying configuration of the mapper once it is shared; but you are not changing configuration so that is fine. If you did need to change conf...
Why is MATLAB so fast in matrix multiplication?
I am making some benchmarks with CUDA, C++, C#, Java, and using MATLAB for verification and matrix generation. When I perform matrix multiplication with MATLAB, 2048x2048 and even bigger matrices are almost instantly multiplied.
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How to have the formatter wrap code with IntelliJ?
... versions of IntelliJ, the option is under Settings / Editor / Code Style. And select Wrap when typing reaches right margin.
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How to make a HTTP request using Ruby on Rails?
...e) I should make a request to that website (in my case a HTTP GET request) and receive the response.
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