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What is the main difference between PATCH and PUT request?
... PATCH method requests that a set of changes described in the
request entity be applied to the resource identified by the Request-
URI. The set of changes is represented in a format called a "patch
document" identified by a media type. If the Request-URI does not
point to an existing resour...
Why is it important to override GetHashCode when Equals method is overridden?
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Yes, it is important if your item will be used as a key in a dictionary, or HashSet<T>, etc - since this is used (in the absence of a custom IEqualityComparer<T>) to group items into buckets. If the hash-code for two i...
Lisp in the real world
I have experimented with Lisp (actually Scheme) and found it to be a very beautiful language that I am interested in learning more about. However, it appears that Lisp is never used in serious projects, and I haven't seen it listed as a desired skill on any job posting. I am interested in hearing ...
What does 'var that = this;' mean in JavaScript?
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I'm going to begin this answer with an illustration:
var colours = ['red', 'green', 'blue'];
document.getElementById('element').addEventListener('click', function() {
// this is a reference to the element clicked on
var that = this;
colours.f...
What is the “volatile” keyword used for?
...read some articles about the volatile keyword but I could not figure out its correct usage. Could you please tell me what it should be used for in C# and in Java?
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What is the etymology of 'slug'? [closed]
Is slug a completely arbitrary word? Or does it stand for something? I used the word in a conversation with someone and when they asked me why it's called that I realized I didn't know.
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Git Extensions: Win32 error 487: Couldn't reserve space for cygwin's heap, Win32 error 0
Git Extensions: Everything was working fine until yesterday.
14 Answers
14
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Is JavaScript a pass-by-reference or pass-by-value language?
The primitive types (number, string, etc.) are passed by value, but objects are unknown, because they can be both passed-by-value (in case we consider that a variable holding an object is in fact a reference to the object) and passed-by-reference (when we consider that the variable to the object hol...
How to clear an ImageView in Android?
... ImageView s for my displays, but at some point I don't have values to put it.
17 Answers
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Is there anything like .NET's NotImplementedException in Java?
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Commons Lang has it. Or you could throw an UnsupportedOperationException.
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