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Compare two List objects for equality, ignoring order [duplicate]
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If you want them to be really equal (i.e. the same items and the same number of each item), I think that the simplest solution is to sort before comparing:
Enumerable.SequenceEqual(list1.OrderBy(t => t), list2.OrderBy(t => t))
Edit:
Here is...
How to find if a given key exists in a C++ std::map
...a particular key exists."
The documentation for map::count says: "Because all elements in a map container are unique, the function can only return 1 (if the element is found) or zero (otherwise)."
To retrieve a value from the map via a key that you know to exist, use map::at:
value = m.at(key)
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How to add a custom right-click menu to a webpage?
...Lorem ipsum...
</body>
But you should ask yourself, do you really want to overwrite default right-click behavior - it depends on application that you're developing.
JSFIDDLE
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How much of a git sha is *generally* considered necessary to uniquely identify a change in a given c
...of it colliding would be negligible, how much of the SHA substring is generally required?
5 Answers
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Method Overloading for null argument
...thod that's available (see JLS §15.12.2).
Object, char[] and Integer can all take null as a valid value. Therefore all 3 version are applicable, so Java will have to find the most specific one.
Since Object is the super-type of char[], the array version is more specific than the Object-version. S...
Does a favicon have to be 32x32 or 16x16?
...recommendation should be to provide a 32x32 icon, skipping 16x16 entirely. All current browsers and devices support 32x32 icons. The icon will routinely be upscaled to as much as 192x192 depending on the environment (assuming there are no larger sizes available or the system didn't recognize them). ...
What are the most common SQL anti-patterns? [closed]
All of us who work with relational databases have learned (or are learning) that SQL is different. Eliciting the desired results, and doing so efficiently, involves a tedious process partly characterized by learning unfamiliar paradigms, and finding out that some of our most familiar programming p...
What is reflection and why is it useful?
... say you have an object of an unknown type in Java, and you would like to call a 'doSomething' method on it if one exists. Java's static typing system isn't really designed to support this unless the object conforms to a known interface, but using reflection, your code can look at the object and fin...
How to get the filename without the extension in Java?
...me, would rather use some library code where they probably have thought of all special cases, such as what happens if you pass in null or dots in the path but not in the filename, you can use the following:
import org.apache.commons.io.FilenameUtils;
String fileNameWithOutExt = FilenameUtils.remove...
Check if element exists in jQuery [duplicate]
... are used therefore "#elementId" selects by element. "elementId" would actually select all emenets whose tags are named "elementId"
– Petr Gladkikh
Dec 13 '12 at 7:13
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