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Why is “final” not allowed in Java 8 interface methods?

...ed” is not allowed in Java 8 interface methods? The key thing to understand about default methods is that the primary design goal is interface evolution, not "turn interfaces into (mediocre) traits". While there's some overlap between the two, and we tried to be accommodating to the latter where...
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Difference between a Seq and a List in Scala

... In Java terms, Scala's Seq would be Java's List, and Scala's List would be Java's LinkedList. Note that Seq is a trait, which is equivalent to Java's interface, but with the equivalent of up-and-coming defender methods. Scala's List is an abstract class that is extended by...
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Git copy file preserving history [duplicate]

... confusing question in Git. Lets say, I have a file dir1/A.txt committed and git preserves a history of commits 7 Answers...
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How to unit test a Node.js module that requires other modules and how to mock the global require fun

...a very simple api which allows resolving the module you are trying to test and pass along mocks/stubs for its required modules in one simple step. @Raynos is right that traditionally you had to resort to not very ideal solutions in order to achieve that or do bottom-up development instead Which is...
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Can “git pull --all” update all my local branches?

I often have at least 3 remote branches: master, staging and production. I have 3 local branches that track those remote branches. ...
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How can I debug a .BAT script?

... The thing is, I have a build script , which calls a lot of other scripts, and I would like to see what is the order in which they are called, so that I may know where exactly I have to go about and add my modifications. ...
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What is the official “preferred” way to install pip and virtualenv systemwide?

... If you can install the latest Python (2.7.9 and up) Pip is now bundled with it. See: https://docs.python.org/2.7//installing/index.html If not : Update (from the release notes): Beginning with v1.5.1, pip does not require setuptools prior to running get-pip.py. Ad...
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What's the difference between Ruby's dup and clone methods?

...s often my source for answers to these questions, since it is quite clear, and a fairly compliant Ruby implementation. share | improve this answer | follow | ...
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Why does typeof NaN return 'number'?

...eration which return NaN: Operations with a NaN as at least one operand Indeterminate forms The divisions 0/0, ∞/∞, ∞/−∞, −∞/∞, and −∞/−∞ The multiplications 0×∞ and 0×−∞ The power 1^∞ The additions ∞ + (−∞), (−∞) + ∞ and e...
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What are the default access modifiers in C#?

...ult access modifier for classes, methods, members, constructors, delegates and interfaces? 9 Answers ...