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string longurl = "http://www.cnblogs.com/max-stone/";string postdata = string.Format("longurl={0}", longurl);string shorturl = Http.HttpPost("http://w... 阅读全文
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double CalcDistance(Poit from, Poit to) { double rad = 6371 * 1000; //Earth radius in m double p1X = from.X / 180 * Math.PI; ... 阅读全文
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格式化小数点 阅读全文