May, 2019

 

Java bitCount algorithm explanation

It is not strange to have bit wise operator and Left/Right Shift in a function. But it is definitely weird to have all statements with them in a function.  Yeah, maybe you think it is not true in the real production. You are wrong then. It exists in the Java SDK.  Below is copied of Long.bitCount function. public static int bitCount(long i){          i = i – ((i  > > > 1) & 0x5555555555555555L);          i = (i & 0x3333333333333333L) + ((i  > > > 2) & 0x3333333333333333L);      Read More

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New SAT Score: Adversity

College Board says tool will provide more context for admissions officers. Many are skeptical of the plan. Critics and defenders of affirmative action see different problems with the index. By Scott Jaschik  May 20, 2019   The College Board has for several years been testing an “adversity index” designed to place students’ SAT scores in the context of their socioeconomic advantages or disadvantages. The system has been used by about 50 colleges and universities. On Thursday, the College Board said it would be expanded to about 150 colleges later this yearRead More

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2019巴菲特股东大会问答实录(4万字版)

   新浪美股 北京时间6日晨讯 伯克希尔2019年股东大会稍早在股神巴菲特的故乡、内布拉斯加州奥哈马刚刚结束,本文为巴菲特、伯克希尔副主席芒格回答股东提问的实录。在长达6小时的马拉松式问答中,......


75所教育部直属高校公布今年预算 文科名校增长加快

75所教育部直属高校公布今年预算 文科名校增长加快 中国新闻来源:北京青年报 2019年04月28日 06:04A-A+   截至昨晚,全国75所教育部直属高校都在各自的信息公开网站上公布了20......


中国高校首次!清华大学登顶泰晤士亚洲大学排行榜

中国高校首次!清华大学登顶泰晤士亚洲大学排行榜 2019-05-03 00:14:28 来源: 新京报 新京报讯 5月2日,2019年英国泰晤士高等教育亚洲大学排名发布,清华大学超越此前三次蝉联......


给巴菲特的50个终极问题 透露出哪些投资机会?

2019-05-06 18:03:25 来源: 国是  近日,全球投资者屏住呼吸,眼光聚焦在美国中部小城奥马哈。 巴菲特股东大会,即伯克希尔·哈撒韦股东大会,每年于五月的第一个星期六召开。 对于......