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What is resource-ref in web.xml used for?
I'm just wondering when/why you would define a <resource-ref> element in your web.xml file?
1 Answer
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What is this: [Ljava.lang.Object;?
I get this when I call toString on an object I received from a function call. I know the type of the object is encoded in this string, but I don't know how to read it.
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Scala: Nil vs List()
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scala> println (Nil == List())
true
scala> println (Nil eq List())
true
scala> println (Nil equals List())
true
scala> System.identityHashCode(Nil)
374527572
scala> System.identityHashCode(List())
374527572
Nil is more idiomatic and can be ...
Renaming a branch while on pull request
On Github, you can make pull requests to add functionality to a project. One's contributions have to be on a branch that, if the request is accepted, will be merged into the master branch (or an analogous one) of the project.
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C# HttpWebRequest vs WebRequest
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The Create method is static, and exists only on WebRequest. Calling it as HttpWebRequest.Create might look different, but its actually compiled down to calling WebRequest.Create. It only appears to be on HttpWebRequest because of inheritance.
The Create method internally, uses ...
HTML img scaling
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Only set the width or height, and it will scale the other automatically. And yes you can use a percentage.
The first part can be done, but requires JavaScript, so might not work for all users.
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How get integer value from a enum in Rails?
I have a enum in my Model that corresponds to column in the database.
5 Answers
5
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How can I determine the type of an HTML element in JavaScript?
...ay to determine the type of an HTML element in JavaScript. It has the ID, but the element itself could be a <div> , a <form> field, a <fieldset> , etc. How can I achieve this?
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extra qualification error in C++
I have a member function that is defined as follows:
4 Answers
4
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Difference between `mod` and `rem` in Haskell
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They're not the same when the second argument is negative:
2 `mod` (-3) == -1
2 `rem` (-3) == 2
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