More out of curiosity than any real problem; the question came up today and I know I've seen 1899-12-30 used as a "default" date and a zero date in Access and older SQL Server apps. Just wondered why - where did that come from, and why isn't 1899-12-31 used then?
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os 与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…