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What are the lesser known but useful data structures?

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How to select unique records by SQL

... column names, you get distinct records: SELECT DISTINCT column 1, column 2, ... FROM table_name; share | improve this answer | follow | ...
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Doctrine 2 can't use nullable=false in manyToOne relation?

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How to push both value and key into PHP array

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LLVM C++ IDE for Windows

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How to delete the last n commits on Github and locally?

I'm trying to delete the last 2 commits from one of my GitHub repositories. I've tried as suggested here : git push -f origin HEAD^^:master . It seems that it works, as the last two commits are removed. ...
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What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?

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How to increase the maximum number of opened editors in IntelliJ?

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How do I return multiple values from a function? [closed]

... Named tuples were added in 2.6 for this purpose. Also see os.stat for a similar builtin example. >>> import collections >>> Point = collections.namedtuple('Point', ['x', 'y']) >>> p = Point(1, y=2) >>> p.x, p.y 1 2...
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Stretch and scale CSS background

... 270 For modern browsers, you can accomplish this by using background-size: body { background-...