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Initializing a struct to 0

... The first is easiest(involves less typing), and it is guaranteed to work, all members will be set to 0[Ref 1]. The second is more readable. The choice depends on user preference or the one which your coding standard mandates. [Ref 1] Reference C99 Standard 6.7.8...
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What does the `#` operator mean in Scala?

... such a subclass. In other words, there's no A.B class, but there are a1.B and a2.B classes, and they are different classes, as the error message is telling us above. If you did not understand that, look up path dependent types. Now, # makes it possible for you to refer to such nested classes with...
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What is the purpose of Verifiable() in Moq?

...ck.Verify(). The OP's clarification makes it clear that this was the goal and the only problem was figuring out why it wasn't working, but as @Liam prodded, the answer should really touch on this too:- The key use cases as far as I can see are: maintaining DRYness between a mock.Setup() and mock....
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How do I move a single folder from one Subversion repository to another repository?

...t repository, filter it to only include information about the docs folder, and load it into the other repository. Would be something like this: svnadmin dump /svn/old_repos > ./repository.dump svndumpfilter include path/to/docs --drop-empty-revs --renumber-revs --preserve-revprops < ./reposi...
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Closing JDBC Connections in Pool

Our standard code section for using JDBC is... 3 Answers 3 ...
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How does Task become an int?

... Does an implicit conversion occur between Task<> and int? Nope. This is just part of how async/await works. Any method declared as async has to have a return type of: void (avoid if possible) Task (no result beyond notification of completion/failure) Task<T> (for...
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How to sort a dataFrame in python pandas by two or more columns?

Suppose I have a dataframe with columns a , b and c , I want to sort the dataframe by column b in ascending order, and by column c in descending order, how do I do this? ...
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How does lombok work?

...re one of those two. For example, the Apple VM ships with stock sun javac, and as such lombok works just fine on macs. Same goes for the soylatte VM, for example. While for javac we really do have to stick with their updates, partly because of a lot of ongoing work on their compiler right now, we'v...
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Using IoC for Unit Testing

...y of the object graph when you do your unit tests. – Anderson Imes Sep 23 '09 at 14:26 4 @Mark Se...
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How to destroy an object?

...ly destroy an object. It will stay there, however if you unset the object and your script pushes PHP to the memory limits the objects not needed will be garbage collected. I would go with unset() (as opposed to setting it to null) as it seems to have better performance (not tested but documented on...