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What is a Manifest in Scala and when do you need it?

Since Scala 2.7.2 there is something called Manifest which is a workaround for Java's type erasure. But how does Manifest work exactly and why / when do you need to use it? ...
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C++, What does the colon after a constructor mean? [duplicate]

I have some C++ code here: 6 Answers 6 ...
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How to check if activity is in foreground or in visible background?

I have a splash screen on a timer. My problem is that before I finish() my activity I need to check that the next activity has started because a system dialogue box pops-up and I only want to finish() ; once the user has selected an option from the dialogue box? ...
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How do I validate a date string format in python?

I have a python method which accepts a date input as a string . 5 Answers 5 ...
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SQL UPDATE SET one column to be equal to a value in a related table referenced by a different column

I hope that made sense, let me elaborate: 10 Answers 10 ...
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MySQL date format DD/MM/YYYY select query?

I'm a bit confused on how to order by date formats. 8 Answers 8 ...
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Calling C++ class methods via a function pointer

How do I obtain a function pointer for a class member function, and later call that member function with a specific object? I’d like to write: ...
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Python date string to date object

... You can use strptime in the datetime package of Python: >>> import datetime >>> datetime.datetime.strptime('24052010', "%d%m%Y").date() datetime.date(2010, 5, 24) ...
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Memoization in Haskell?

...on how to solve efficiently the following function in Haskell, for large numbers (n > 108) 8 Answers ...
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How to highlight text using javascript

Can someone help me with a javascript function that can highlight text on a web page. And the requirement is to - highlight only once, not like highlight all occurrences of the text as we do in case of search. ...