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What is the 'instanceof' operator used for in Java?
... Dog is Dog
dog instanceof Object // true - Object is the parent type of all objects
However, with Object animal = new Animal();,
animal instanceof Dog // false
because Animal is a supertype of Dog and possibly less "refined".
And,
dog instanceof Cat // does not even compile!
This is beca...
What is q=0.5 in Accept* HTTP headers?
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This is called a relative quality factor. It specifies what language the user would prefer, on a scale of 0 to 1, as can be seen from the HTTP/1.1 Specification, §14.4:
Each language-range MAY be given an associated quality value w...
std::vector performance regression when enabling C++11
I have found an interesting performance regression in a small C++ snippet, when I enable C++11:
1 Answer
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How do I configure emacs for editing HTML files that contain Javascript?
...edit an HTML file with both HTML tags and javascript content. I have installed nxhtml and tried using it - i.e set up to use nxhtml-mumamo-mode for .html files. But I am not loving it. When I am editing the Javascript portion of the code the tab indents do not behave as they do when editing C/C...
Shorter syntax for casting from a List to a List?
...comply.
– StuartLC
May 22 '18 at 14:32
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EF LINQ include multiple and nested entities
...y help.
– ttugates
Dec 18 '17 at 14:32
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Ah. Actually, .ThenInclude() does work. Just takes for...
Put content in HttpResponseMessage object?
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For a string specifically, the quickest way is to use the StringContent constructor
response.Content = new StringContent("Your response text");
There are a number of additional HttpContent class descendants for other common scenarios.
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Make an image width 100% of parent div, but not bigger than its own width
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How to get the index of an item in a list in a single step?
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It seems like all he wants is the index. List<>.FindIndex(Predicate<>) is the best approach. Though the question title would insinuate otherwise, the OP's description is pretty clear he only needs the index "int theThingIActual...
In jQuery, how do I get the value of a radio button when they all have the same name?
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@PavanAlapati We cannot really tell you why without seeing your HTML as well; ideally, you would post a new question with your exact HTML snippet and the code you are using. You should only get undefined though, if: The name in the selector does not m...