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Covariance, Invariance and Contravariance explained in plain English?
Today, I read some articles about Covariance, Contravariance (and Invariance) in Java. I read the English and German Wikipedia article, and some other blog posts and articles from IBM.
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How to select an element by classname using jqLite?
I'm trying to remove jquery from my Angular.js app in order to make it lighter, and put Angular's jqLite instead. But the app makes heavy use of find('#id') and find ('.classname'), which are not supported by jqLite, only 'tag names' (as per documentation)
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How is __eq__ handled in Python and in what order?
...left/right versions of its comparison operators, how does it decide which function to call?
3 Answers
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I want to get the type of a variable at runtime
I want to get the type of a variable at runtime.
How do I do this?
4 Answers
4
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LINQ Distinct operator, ignore case?
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StringComparer does what you need:
List<string> list = new List<string>() {
"One", "Two", "Three", "three", "Four", "Five" };
var distinctList = list.Distinct(
StringComparer.CurrentCultureIgnoreCase).ToList();
(or invariant / o...
C# equivalent to Java's charAt()?
I know we can use the charAt() method in Java get an individual character in a string by specifying its position. Is there an equivalent method in C#?
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How to delete (not cut) in Vim?
How can I delete a line without putting it into my default buffer?
6 Answers
6
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Error: Could not create the Java Virtual Machine Mac OSX Mavericks
I just installed the latest Java SDK 7-67 from Oracle on the Mac 10.9.4. I then ran the command java -v in Terminal and I get this message:
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if arguments is equal to this string, define a variable like this string
I am doing some bash script and now I got one variable call source and one array called samples , like this:
3 Answers
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Mongoose query where value is not null
Looking to do the following query:
6 Answers
6
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