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Error in : object of type 'closure' is not subsettable

I was finally able to work out the code for my scraping . It seemed to be working fine and then all of a sudden when I ran it again, I got the following error message: ...
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Rails filtering array of objects by attribute value

So I perform a query to the db and I have a complete array of objects: 5 Answers 5 ...
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Sharing Test code in Maven

How can you depend on test code from another module in Maven? 4 Answers 4 ...
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IntelliJ gives Fatal Error: Unable to find package java.lang in classpath or bootclasspath

When I try to make a simple module in IntelliJ it responds with: 6 Answers 6 ...
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Execute and get the output of a shell command in node.js

In a node.js, I'd like to find a way to obtain the output of a Unix terminal command. Is there any way to do this? 5 Answer...
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Is explicitly closing files important?

In Python, if you either open a file without calling close() , or close the file but not using try - finally or the " with " statement, is this a problem? Or does it suffice as a coding practice to rely on the Python garbage-collection to close all files? For example, if one does this: ...
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Boolean.hashCode()

The hashCode() method of class Boolean is implemented like this: 2 Answers 2 ...
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Build.scala, % and %% symbols meaning

I'm new to Play! Framework 2.1 (java version) and have no experience with scala. I don't understand what are and what does % and %% mean in Build.scala. I googled about them but couldn't find their meaning. ...
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How does Junit @Rule work?

I want to write test cases for a bulk of code, I would like to know details of JUnit @Rule annotation feature, so that I can use it for writing test cases. Please provide some good answers or links, which give detailed description of its functionality through a simple example. ...
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Defining a function with multiple implicit arguments in Scala

How can I define a function with multiple implicit arguments. 3 Answers 3 ...