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Can a C++ enum class have methods?
...s specification just supports better scoping of enum values for access. No more, no less!
Ways to get out of the restriction you cannot declare methods for enum (classes) are , either to use a std::bitset (wrapper class), or a bitfield union.
unions, and such bitfield unions can have methods (see ...
Rails: how do I validate that something is a boolean?
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How to format all Java files in an Eclipse project at one time?
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test a file upload using rspec - rails
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Does Git Add have a verbose switch
...suggest you to get used without the -v parameter, the default behaviour is more practical (and it's faster to type).
– Riccardo T.
Sep 6 '11 at 11:53
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How do you manually execute SQL commands in Ruby On Rails using NuoDB
...and .rows attributes. .execute returns an array of hashes which is usually more troublesome to deal with and probably heavier on memory. I had never used exec_query, thanks for the tip.
– Francio Rodrigues
Dec 17 '17 at 20:57
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Most efficient conversion of ResultSet to JSON?
... fast since it's just branches and basic tests. You could probably make it more elegant with a HashMap lookup to a callback but I doubt it would be any faster. As to memory, this is pretty slim as is.
Somehow I doubt this code is actually a critical bottle neck for memory or performance. Do you ha...
RabbitMQ message size and types
...e policy (configuration) or client side policy. Max Queue Length
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jQuery - get a list of values of an attribute from elements of a class
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Great answer. A little more intuitive / cleaner for me is to .get() the array first, then use .map() plus arrow function (browser support: caniuse.com/#search=arrow) to build the array with a little plain javascript: $(".object").get().map(x => ...