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Under what circumstances are linked lists useful?
Most times I see people try to use linked lists, it seems to me like a poor (or very poor) choice. Perhaps it would be useful to explore the circumstances under which a linked list is or is not a good choice of data structure.
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How to find the 'sizeof' (a pointer pointing to an array)?
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How can I pad a String in Java?
Is there some easy way to pad Strings in Java?
30 Answers
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How do I check if there are duplicates in a flat list?
For example, given the list ['one', 'two', 'one'] , the algorithm should return True , whereas given ['one', 'two', 'three'] it should return False .
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How do I list all files of a directory?
How can I list all files of a directory in Python and add them to a list ?
21 Answers
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Why (0-6) is -6 = False? [duplicate]
Today I tried to debug my project and after a few hours of analysing I'd got this:
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RegEx match open tags except XHTML self-contained tags
I need to match all of these opening tags:
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How random is JavaScript's Math.random?
For 6 years I've had a random number generator page on my website. For a long time, it was the first or second result on Google for "random number generator" and has been used to decide dozens, if not hundreds of contests and drawings on discussion forums and blogs (I know because I see the referr...
How to overload std::swap()
std::swap() is used by many std containers (such as std::list and std::vector ) during sorting and even assignment.
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Best way to format integer as string with leading zeros? [duplicate]
I need to add leading zeros to integer to make a string with defined quantity of digits ($cnt).
What the best way to translate this simple function from PHP to Python:
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