The leading chat server software for dating and social networks.… continue reading »


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However, it then says, “although the converse is not true”, implying that even if a leading principal minor is 0, that we could still have a valid LU decomposition that we can't detect.… continue reading »


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I had a case of this just now on Excel 2010: a particular spreadsheet that would not auto-recalculate.… continue reading »


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You can’t watch as they smile, and that smile spreads up into their eyes and transforms their face into one of the most beautiful things you’ve ever seen – a thing that warms your heart and makes you realize you want to spend more time with the person. Unfortunately, the reality is nowhere near that fantasy.… continue reading »


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Swearing-In Ceremony Remarks at the Swearing In of the Chairman of the Council on Environmental Quality, the Deputy Director of ACTION, and the Administrator and Deputy Administrator of the Environmental Protection Agency.… continue reading »


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