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java: (String[])List.toArray() gives ClassCastException
The following code (run in android) always gives me a ClassCastException in the 3rd line:
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Using new line(\n) in string and rendering the same in HTML
I have a string say
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How do I update if exists, insert if not (AKA “upsert” or “merge”) in MySQL?
Is there an easy way to INSERT a row when it does not exist, or to UPDATE if it exists, using one MySQL query?
2 Answer...
Get the index of the nth occurrence of a string?
Unless I am missing an obvious built-in method, what is the quickest way to get the n th occurrence of a string within a string?
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How would you compare jQuery objects?
So I'm trying to figure out how to compare two jQuery objects, to see if the parent element is the body of a page.
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Deleting array elements in JavaScript - delete vs splice
What is the difference between using the delete operator on the array element as opposed to using the Array.splice method ?
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Dictionary vs Object - which is more efficient and why?
What is more efficient in Python in terms of memory usage and CPU consumption - Dictionary or Object?
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Convert numpy array to tuple
Note: This is asking for the reverse of the usual tuple-to-array conversion.
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What's the point of having pointers in Go?
I know that pointers in Go allow mutation of a function's arguments, but wouldn't it have been simpler if they adopted just references (with appropriate const or mutable qualifiers). Now we have pointers and for some built-in types like maps and channels implicit pass by reference.
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Add Bootstrap Glyphicon to Input Box
How can I add a glyphicon to a text type input box? For example I want to have 'icon-user' in a username input, something like this:
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