Computerized Adaptive Test and IRT (2)
What does a test do? The very essence of test is not to select better students to university or else, but to estimate the real ability an examinee owns.
What does a test do? The very essence of test is not to select better students to university or else, but to estimate the real ability an examinee owns.
I will use about 5 days to introduce the basic principle and approach of computerized adaptive test and its theoretical foundation, Item Response Theory (IRT).
How-old.net, 上传你的照片,识别脸部判断你性别和多少岁.
可能你会觉得这功能太low了,老梗,稍等,听我讲完,how-lod.net是一个来自Microsoft有意思的故事,最初网站开始内测时候,仅仅期待50个用户尝试一下,可是万万没想到邀请发出后最终全球约有35,000人参与了测试!这玩意儿可是两个人一天搞出来的.
过去的面部识别是用来伤心的,how-old更准,简直堪称ML的黑魔法!
Loupe is a decent tool for event-driven programming. It visualizes the event loop in JS. For people who wonder how JS callback queue and event loop interact, it might be a quick reference.
###MongoDB 3.0相较于2.6而言有哪些增强?