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Do scala constructor parameters default to private val?
...s there. No field is generated. Otherwise private val bar field is created and value of bar parameter is assigned to it. No getter is created.
private val bar: Int
Such declaration of parameter will create private val bar field with private getter. This behavior is the same as above no matter if t...
What is the format specifier for unsigned short int?
...f does work. It was %hhu/%hhd that is only available starting with C99. %h and %hh imply a &0xFFFF resp. &0xFF on the passed integer.
– jørgensen
Jan 2 '12 at 13:11
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Is this a “good enough” random algorithm; why isn't it used if it's faster?
I made a class called QuickRandom , and its job is to produce random numbers quickly. It's really simple: just take the old value, multiply by a double , and take the decimal part.
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Is C++ context-free or context-sensitive?
...uring-complete, since it shows a program which is syntactically correct if and only if a given integer is prime.
So I assert that C++ is neither context-free nor context-sensitive.
If you allow arbitrary symbol sequences on both sides of any production, you produce an Type-0 grammar ("unrestricted...
How to specify jackson to only use fields - preferably globally
...ust what I needed! This configuration allowed me to use a Mixin to easily convert Hibernate entities to DTOs. By default the ObjectMapper serializes everything and a Mixin would have to specify which properties to ignore (i.e. a subtraction instead of an intersection).
– Tast...
GetType() can lie?
Based on the following question asked a few days ago in SO: GetType() and polymorphism and reading Eric Lippert's answer, I started thinking if making GetType() not be virtual really ensured that an object could not lie about its Type .
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Combine two ActiveRecord::Relation objects
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Relation objects can be converted to arrays. This negates being able to use any ActiveRecord methods on them afterwards, but I didn't need to. I did this:
name_relation = first_name_relation + last_name_relation
Ruby 1.9, rails 3.2
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What is the default access modifier in Java? [duplicate]
... modifier or no modifier (package-private) just as with top-level classes, and with the same meaning.
Full story you can read here (Which I wrote recently):
http://codeinventions.blogspot.com/2014/09/default-access-modifier-in-java-or-no.html
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How do I overload the [] operator in C# [duplicate]
...t every time I need to implement an index operator, I have to look it up? And each time I end up on this answer... wish I could vote it up multiple times :)
– DSO
Dec 31 '11 at 0:52
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How can I check if a string is null or empty in PowerShell?
... null strings passed to a commandlet or function don't stay null. They get converted to empty strings. See the Microsoft Connect bug at connect.microsoft.com/PowerShell/feedback/details/861093/….
– JamieSee
Dec 11 '14 at 17:59
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