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No @XmlRootElement generated by JAXB

...f instead of doing: UserType user = (UserType) unmarshaller.unmarshal(new StringReader(responseString)); one should do: JAXBElement<UserType> userElement = unmarshaller.unmarshal(someSource, UserType.class); UserType user = userElement.getValue(); The latter code will not require @XmlRoo...
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Understanding __get__ and __set__ and Python descriptors

... Why do I need the descriptor class? It gives you extra control over how attributes work. If you're used to getters and setters in Java, for example, then it's Python's way of doing that. One advantage is that it looks to users just like an attribute (there's no change in sy...
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What is the correct way of using C++11's range-based for?

.... This is inefficient code, e.g., if these elements are instances of std::string, heap memory allocations can be done, with expensive trips to the memory manager, etc. This is useless if we just want to observe the elements in a container. So, a better syntax is available: capture by const referen...
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How to check if an object is a certain type

...full to others. First, some definitions: There are TypeNames, which are string representations of the type of an object, interface, etc. For example, Bar is a TypeName in Public Class Bar, or in Dim Foo as Bar. TypeNames could be seen as "labels" used in the code to tell the compiler which type d...
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Display current date and time without punctuation

... or newer): ${parameter@operator} - P operator The expansion is a string that is the result of expanding the value of parameter as if it were a prompt string. $ show_time() { local format='\D{%Y%m%d%H%M%S}'; echo "${format@P}"; } $ show_time 20180724003251 ...
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How do you get the index of the current iteration of a foreach loop?

... } } public class Example { public static void Main() { string[] values = new[] { "foo", "bar", "baz" }; values.ForEachWithIndex((item, idx) => Console.WriteLine("{0}: {1}", idx, item)); } } ...
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Declaring and initializing variables within Java switches

...tag case 1: b = false; case 2:{ //String b= "test"; you can't declare scope here. because it's in the scope @top b=true; // b is still accessible } case 3:{ boolean c= true; // case c scope only b=true; // c...
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Do HTML5 custom data attributes “work” in IE 6?

....match(new RegExp(/^data-/))) { // remove the 'data-' from the string dataset[attr.nodeName.replace(new RegExp('^data-'), '')] = attr.nodeValue; } } return dataset; } share ...
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How to write multiple line property value using PropertiesConfiguration?

...aracter, you can specify it with the same escaped notation used for Java Strings. The list separator ("," by default), can also be escaped: key = This \n string \t contains \, escaped \\ characters \u0020 Backslashes are more difficult. Lists and arrays: You can specify a list of val...
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How can I check that a form field is prefilled correctly using capybara?

...elected answer because the error message shows you the expected and actual strings. This gives the unhelpful "expected field "my field" to return something" error. But this one does definitely read better and follows the page matcher API better. Upvotes all around!!! – mraaronc...