/*
*计算挖矿difficulty
*/
func CalculateDifficulty(strTargetHash string) string {
strGeniusBlockHash := "00000000ffff0000000000000000000000000000000000000000000000000000" // 创世块编号
var biGeniusHash big.Int
var biTargetHash big.Int
biGeniusHash.SetString(strGeniusBlockHash, 16)
biTargetHash.SetString(strTargetHash, 16)
difficulty := big.NewInt(0)
difficulty.Div(&biGeniusHash, &biTargetHash)
//fmt.Printf("%T \n" , difficulty)
return fmt.Sprintf("%s", difficulty)
}
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Introduction to Semi-Supervised Learning
Xiaojin Zhu、Andrew B. Goldberg / Morgan and Claypool Publishers / 2009-6-29 / USD 40.00
Semi-supervised learning is a learning paradigm concerned with the study of how computers and natural systems such as humans learn in the presence of both labeled and unlabeled data. Traditionally, le......一起来看看 《Introduction to Semi-Supervised Learning》 这本书的介绍吧!