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Working with Enums in android

I am almost done with a calculation activity I am working with in android for my app. I try to create a Gender Enum, but for some reason getting Syntax error, insert "EnumBody" to complete EnumDeclaration. ...
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Is it possible to cast a Stream in Java 8?

...> c instanceof Client) .map(c -> (Client) c) .map(Client::getID) .forEach(System.out::println); or, as suggested in the comments, you could use the cast method - the former may be easier to read though: Stream.of(objects) .filter(Client.class::isInstance) .map(Client.cla...
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What does “Document-oriented” vs. Key-Value mean when talking about MongoDB vs Cassandra?

... A key-value store provides the simplest possible data model and is exactly what the name suggests: it's a storage system that stores values indexed by a key. You're limited to query by key and the values are opaque, the store doesn't know anything...
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npm install vs. update - what's the difference?

...hy use npm install at all? Because npm install does more when you look besides handling your dependencies in package.json. As you can see in npm install you can ... manually install node-modules set them as global (which puts them in the shell's PATH) using npm install -g <name> install cer...
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GCD to perform task in main thread

...ble performance impact in most cases: GCD is a lightweight library. That said, I understood the question as: ‘given the code below, do I need to check whether I’m on the main thread?’ – user557219 Dec 18 '11 at 10:17 ...
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How does mockito when() invocation work?

...In my opinion, it's a typical usage of Anti-Pattern. Normally we should avoid 'side effect' when we implement a method, meaning the method should accept input and do some calculation and return the result - nothing else changed besides that. But Mockito just violates that rule on purpose. Its method...
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What happens if i return before the end of using statement? Will the dispose be called?

...add: because Dispose is guaranteed to be called, it's almost always a good idea to ensure that Dispose never throws an exception when you implement IDisposable. Unfortunately, there are some classes in the core library that do throw in certain circumstances when Dispose is called -- I'm looking at y...
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How to override to_json in Rails?

...rror: wrong number of arguments (1 for 0) because to_json needs to be overridden with one parameter, the options hash. def to_json(options) ... end Longer explanation of to_json, as_json, and rendering: In ActiveSupport 2.3.3, as_json was added to address issues like the one you have encount...
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In Go's http package, how do I get the query string on a POST request?

... the desired field isn't present, use r.URL.Query().Get("moviename") to avoid this fatal mistake). – Dave C Mar 24 '15 at 20:01 1 ...
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git - Your branch is ahead of 'origin/master' by 1 commit

...all happens, git merely remembers that the changes you added should be considered for the following commit. The message you're seeing (your branch is ahead by 1 commit) means that your local repository has one commit that hasn't been pushed yet. In other words: add and commit are local operations,...