Write a function that generates one of 3 numbers according to given probabilities

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Write a function that generates one of 3 numbers according to given probabilities

You are given a function rand(a, b) which generates equiprobable random numbers between [a, b] inclusive. Generate 3 numbers x, y, z with probability P(x), P(y), P(z) such that P(x) + P(y) + P(z) = 1 using the given rand(a,b) function. The idea is to…

Some series and integrals involving the Riemann zeta function binomial coefficients and the harmonic numbers

链接:http://pan.baidu.com/s/1eSNkz4Y…

ORACLE_TO_CHAR Function

TECHONTHENNTE WEBSITE: https://www.techonthenet.com/oracle/functions/to_char.php Oracle / PLSQL: TO_CHAR Function This Oracle tutorial explains how to use the Oracle/PLSQL TO_CHAR function with syntax and examples. Description The Oracle/PLSQL TO_CH…

[Javascript] Write a Generator Function to Generate the Alphabet / Numbers

When you need to generate a data set, a generator function is often the correct solution. A generator function is defined with function* and then you yield each result you want out of the function when you call it. Generators pair well with the ... o…

JavaScript中‘this’关键词的优雅解释

本文转载自:众成翻译译者:MinweiShen 链接:http://www.zcfy.cc/article/901 原文:https://rainsoft.io/gentle-explanation-of-this-in-javascript/ 1. this之谜许多时候,this关键词对我以及许多刚起步的JavaScript程序员来说,都是一个谜.它是一种很强大的特性,但是理解它需要花不少功夫. 对有Java, PHP或者其他常见的编程语言背景的人来说,this仅仅被看成是类方法中当前对象…

VB6+Winsock编写的websocket服务端

早就写好了,看这方面资料比较少,索性贴出来.只是一个DEMO中的,没有做优化,代码比较草.由于没地方上传附件,所以只把一些主要的代码贴出来. 这只是服务端,不过客户端可以反推出来,其实了解了websocket协议就简单多了...开始了... 请求头构造: req_heads = "HTTP/1.1 101 Web Socket Protocol Handshake" & vbCrLf req_heads = req_heads & "Upgrade: webs…

zenefits oa - random(5) to generate a random(7)

If given a function that generates a random number from 1 to 5, how do you use this function to generate a random number from 1 to 7 with the same probability? (ie. function a has probability 1/5 per number, function b would have probability 1/7). in…