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Why covariance and contravariance do not support value type
...values. References all look the same - so you can use an IEnumerable<string> as an IEnumerable<object> without any change in representation; the native code itself doesn't need to know what you're doing with the values at all, so long as the infrastructure has guaranteed that it will def...
convert string array to string
I would like to convert a string array to a single string.
9 Answers
9
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I need to get all the cookies from the browser
I need to get all the cookies stored in my browser using JavaScript. How can it be done?
9 Answers
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Difference between final static and static final
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No difference at all. According to
8.3.1 - Classes - Field Modifiers of the Java Language Specification,
If two or more (distinct) field modifiers appear in a field declaration, it is customary, though not required, that they appear in the order co...
Get index of element as child relative to parent
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$("#wizard li").click(function () {
console.log( $(this).index() );
});
However rather than attaching one click handler for each list item it is better (performance wise) to use delegate which would look like this:
$("#wizard").delegate('li', 'click', function () {
console.l...
How to check whether a string is a valid HTTP URL?
There are the Uri.IsWellFormedUriString and Uri.TryCreate methods, but they seem to return true for file paths etc.
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Difference between SelectedItem, SelectedValue and SelectedValuePath
What is the difference betweeen the following:
5 Answers
5
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How to negate a method reference predicate
In Java 8, you can use a method reference to filter a stream, for example:
12 Answers
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How to delete a cookie?
Is my function of creating a cookie correct? How do I delete the cookie at the beginning of my program? is there a simple coding?
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What is the fundamental difference between WebSockets and pure TCP?
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It's easier to communicate via TCP sockets when you're working within an intranet boundary, since you likely have control over the machines on that network and can open ports suitable for making the TCP connections.
Over the internet, you're communicating with someone else's server ...