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Logging in Scala

What is a good way to do logging in a Scala application? Something that is consistent with the language philosophy, does not clutter the code, and is low-maintenance and unobtrusive. Here's a basic requirement list: ...
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One-liner to check whether an iterator yields at least one element?

Currently I'm doing this: 9 Answers 9 ...
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What is the difference between varchar and varchar2 in Oracle?

... for now, they are synonyms. VARCHAR is reserved by Oracle to support distinction between NULL and empty string in future, as ANSI standard prescribes. VARCHAR2 does not distinguish between a NULL and empty string, and never will. If you rely on empty string and NULL being the same thing, you sho...
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How does Python's super() work with multiple inheritance?

I'm pretty much new in Python object oriented programming and I have trouble understanding the super() function (new style classes) especially when it comes to multiple inheritance. ...
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When is finally run if you throw an exception from the catch block?

In the above block when is the finally block called? Before the throwing of e or is finally called and then catch? 7 Answer...
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TypeLoadException says 'no implementation', but it is implemented

I've got a very weird bug on our test machine. The error is: 38 Answers 38 ...
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Any way to break if statement in PHP?

Is there any command in PHP to stop executing the current or parent if statement, same as break or break(1) for switch / loop . For example ...
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C# binary literals

Is there a way to write binary literals in C#, like prefixing hexadecimal with 0x? 0b doesn't work. 12 Answers ...
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Can one do a for each loop in java in reverse order?

I need to run through a List in reverse order using Java. 13 Answers 13 ...
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MongoDB relationships: embed or reference?

I'm new to MongoDB--coming from a relational database background. I want to design a question structure with some comments, but I don't know which relationship to use for comments: embed or reference ? ...