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What is the difference between a.getClass() and A.class in Java?

In Java what pros/cons exist surrounding the choice to use a.getClass() or A.class ? Either can be used wherever a Class<?> is expected, but I imagine that there would be performance or other subtle benefits to using both in different circumstances (just like there are with Class.forName...
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Database, Table and Column Naming Conventions? [closed]

... backwards. "TableOfInvoices" should be shortened to "Invoices," which is what I prefer. You probably instead meant "InvoiceTable," which makes sense to shorten "Invoice." – Derek Mar 5 '13 at 14:53 ...
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event Action vs event EventHandler

...re passing 3 bool's an int, two string's, and a DateTime, you have no idea what the meaning of those values are. As a side note, you can still have a "Fire this event safely method while still using Action<T1, T2, T2... >". Secondly, consistency implications. If you have a large system you're...
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How to use a filter in a controller?

...urce is better than this because it reduces "magic strings". One benefit - what if this was in a much more complex controller and you failed to unit test the filter being used? You wouldn't notice the error if you use $filter('filtter1') (2 t's). However, if you inject filtter1Filter Angular will co...
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What is the best way to find the users home directory in Java?

...oof solution on Windows is hard, because Windows has a shifting concept of what the home directory means. If user.home isn't good enough for you I would suggest choosing a definition of home directory for windows and using it, getting the appropriate environment variable with System.getenv(String). ...
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What is the documents directory (NSDocumentDirectory)?

Can someone explain to me what the documents directory is on an iOS app and when to use it? 9 Answers ...
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What is the difference between exit and return? [duplicate]

What is difference between return and exit statement in C programming when called from anywhere in a C program? 4 Answers ...
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Vim: Creating parent directories on save

... Thanks, seems much cleaner than what I guess-hacked :) – Damien Pollet Nov 28 '10 at 8:19 11 ...
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Why is React's concept of Virtual DOM said to be more performant than dirty model checking?

...between two virtual trees, but the virtual DOM diff is about understanding what needs updating in the DOM and not whether or not your data has changed. In fact, the diff algorithm is a dirty checker itself but it is used to see if the DOM is dirty instead. We aim to re-render the virtual tree only ...
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What are the main purposes of using std::forward and which problems it solves?

...rt the named rvalue references t1 and t2 to unnamed rvalue references. What is the purpose of doing that? How would that affect the called function inner if we leave t1 & t2 as lvalues? ...