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Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?

...e, but also, correct me if I'm wrong, but BiFunction is used in the Stream API to perform data reduction, which looks a lot like the currying approach to me: you never take more than two arguments, and you can process any number of elements, one reduction at a time (see my comment on the accepted an...
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Why is “final” not allowed in Java 8 interface methods?

...at they did was to provide enough functionality to deal with the issues of API evolution. share | improve this answer | follow | ...
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Rails 3.1: Engine vs. Mountable App

...esome) References http://edgeguides.rubyonrails.org/engines.html http://api.rubyonrails.org/classes/Rails/Engine.html http://railscasts.com/episodes/277-mountable-engines https://github.com/rails/rails/pull/6499 share ...
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Meaning of @classmethod and @staticmethod for beginner? [duplicate]

...ultiple constructors for the same class. Different constructors allow easy API creation such as Date.from_json, Date.from_sql, Date.from_file, etc. – DarrylG May 28 at 19:53 a...
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Why do people use Heroku when AWS is present? What distinguishes Heroku from AWS? [closed]

...hing like PostgreSQL. You'll want a deployment system with something like Capistrano, and something doing log aggregation. That's not an insignificant amount of work to set up and maintain. With Heroku, the effort required to get to that sort of stage is maybe a few lines of application code and a...
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How can I implement an Access Control List in my Web MVC application?

...ter where data comes from. It can be either from SQL or from a remote REST API, or even screenshot of a MSWord document. The business logic does no change. - Data Access and Storage Instances made from this group of classes are sometimes called Data Access Objects. Usually structures that impleme...
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How does Access-Control-Allow-Origin header work?

... enable secure cross-domain data transfers. Modern browsers use CORS in an API container - such as XMLHttpRequest or Fetch - to mitigate risks of cross-origin HTTP requests. How CORS works (Access-Control-Allow-Origin header) Wikipedia: The CORS standard describes new HTTP headers which provid...
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How do I test an AngularJS service with Jasmine?

...st that is less mocked - you test // the endpoints and responses and APIs instead of the // specific service behaviors. mockCatsData = StaticCatsData(); // For handling Promises and deferrals in our Service calls... var deferred = $q.defer(); deferred.resolve(moc...
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Ioc/DI - Why do I have to reference all layers/assemblies in application's entry point?

...red out how to do the same thing using Bootstrapper's generic registration API. My UI project references Bootstrapper, the dependency resolution project where I wire up my registrations, and projects in my Core (for the interfaces) but nothing else, not even my DI Framework (SimpleInjector). I am u...
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JavaScript hashmap equivalent

...uild a class parameterized by the key function, and with all the necessary API of the container, but … we use JavaScript, and trying to be simple and lightweight, so this functional solution is simple and fast. The key function can be as simple as selecting right attributes of the object, e.g., a ...