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Post an empty body to REST API via HttpClient

...ences to some HttpContent.CreateEmpty() method, but I don't think that is for the Web API HttpClient code since I can't seem to find that method. ...
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How to print out all the elements of a List in Java?

...e your model and add to models ArrayList, to prevent NullPointerException for trying this example // Print the name from the list.... for(Model model : models) { System.out.println(model.getName()); } // Or like this... for(int i = 0; i < mode...
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What is the difference between '&' and ',' in Java generics?

While reading the Java official tutorial about generics, I found that you can restrict the type argument (in this case is T ) to extend a class and/or more interfaces with the 'and' operator ( & ) like this: ...
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How can I list (ls) the 5 last modified files in a directory?

... Try using head or tail. If you want the 5 most-recently modified files: ls -1t | head -5 The -1 (that's a one) says one file per line and the head says take the first 5 entries. If you want the last 5 try ls -1t | tail -5 ...
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Convert float to double without losing precision

...ouble. Simply casting the float to double gives me weird extra precision. For example: 10 Answers ...
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Android - Activity vs FragmentActivity? [duplicate]

I am new in Android. I want to build an app with tab format. I found many documentation where Activity has been used. Also in many cases have used FragmentActivity . I am not sure which will be better to start. Please suggest me should I use Activity or FragmentActivity to start development i...
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Convert SVG image to PNG with PHP

I'm working on a web project that involves a dynamically generated map of the US coloring different states based on a set of data. ...
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Await on a completed task same as task.Result?

...just to chime in... There are two reasons why I prefer await over Result (or Wait). The first is that the error handling is different; await does not wrap the exception in an AggregateException. Ideally, asynchronous code should never have to deal with AggregateException at all, unless it specifica...
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How do I tell Spring Boot which main class to use for the executable jar?

My project has more than one class with a main method. How do I tell the Spring Boot Maven plugin which of the classes it should use as the main class? ...
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Spring Boot - parent pom when you already have a parent pom

...tarter-parent like a "bom" (c.f. Spring and Jersey other projects that support this feature now), and include it only in the dependency management section with scope=import.That way you get a lot of the benefits of using it (i.e. dependency management) without replacing the settings in your actual p...