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Interface defining a constructor signature?

...n't have constructors on an Interface. But since this is such a highly ranked result in Google some 7 years later, I thought I would chip in here - specifically to show how you could use an abstract base class in tandem with your existing Interface and maybe cut down on the amount of refactoring ne...
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javascript node.js next()

...de, where a reference to the next function to execute is given to a callback for it to kick-off when it's done. See, for example, the code samples here: http://blog.mixu.net/2011/02/02/essential-node-js-patterns-and-snippets/ Let's look at the example you posted: function loadUser(req, res, n...
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@Transactional(propagation=Propagation.REQUIRED)

...tting is applied. Each such logical transaction scope can determine rollback-only status individually, with an outer transaction scope being logically independent from the inner transaction scope. Of course, in case of standard PROPAGATION_REQUIRED behavior, all these scopes will be mapped to the sa...
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List comprehension: Returning two (or more) items for each item

...swered Aug 8 '12 at 16:29 jamylakjamylak 104k2222 gold badges206206 silver badges215215 bronze badges ...
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How can I copy data from one column to another in the same table?

...un 10 '11 at 15:32 Ash BurlaczenkoAsh Burlaczenko 20.3k1414 gold badges6262 silver badges9595 bronze badges ...
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How to get row from R data.frame

...==y This page (from this useful site) has good information on indexing like this. share | improve this answer | follow | ...
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Never seen before C++ for loop

...e for loop is in the middle - between the two semicolons ;. In C++ it is OK to put almost any expression as a condition: anything that evaluates to zero means false; non-zero means true. In your case, the condition is u--: when you convert to C#, simply add != 0: for (u = b.size(), v = b.back(); ...
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Escaping quotes and double quotes

... Escaping parameters like that is usually source of frustration and feels a lot like a time wasted. I see you're on v2 so I would suggest using a technique that Joel "Jaykul" Bennet blogged about a while ago. Long story short: you just wrap your s...
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Why does Java have transient fields?

... The transient keyword in Java is used to indicate that a field should not be part of the serialization (which means saved, like to a file) process. From the Java Language Specification, Java SE 7 Edition, Section 8.3.1.3. transient Field...
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Benefit of using Parcelable instead of serializing object

... edited Apr 8 '11 at 14:48 rocky3000 1,12488 silver badges99 bronze badges answered Apr 5 '11 at 11:35 rajat...