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What is a sealed trait?
Sealed classes are described in 'Programming in Scala', but sealed traits are not.
Where can I find more information about a sealed trait?
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PEP 8, why no spaces around '=' in keyword argument or a default parameter value?
Why does PEP 8 recommend not having spaces around = in a keyword argument or a default parameter value ?
6 Answers
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SVN:externals equivalent in Git?
I have two SVN projects in use from another SVN repository using svn:externals .
3 Answers
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git diff between cloned and original remote repository
I have cloned a github repository and made no changes locally. Github repository moved forward with commits on the same branch.
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Find which commit is currently checked out in Git
I'm in the middle of a git bisect session.
5 Answers
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Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
Why do Scala and frameworks like Spark and Scalding have both reduce and foldLeft ? So then what's the difference between reduce and fold ?
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What is the difference between a shim and a polyfill?
Both seem to be used in web development circles, see e.g. HTML5 Cross Browser Polyfills , which says:
6 Answers
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How to choose the id generation strategy when using JPA and Hibernate
I was going through Id generation section of the Hibernate reference guide and "java persistence with Hibernate"
4 Answers
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What are the differences between .so and .dylib on osx?
.dylib is the dynamic library extension on OSX, but it's never been clear to me when I can't / shouldn't use a traditional unix .so shared object.
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