This post shows how to change what the Fn keys do in Windows 11/10. The Fn or the Function key is a meta-modifier key used to activate secondary functions or special features on certain keys. The ...

Abstract: We introduce Slender PUF protocol, an efficient and secure method to authenticate the responses generated from a Strong Physical Unclonable Function (PUF). The new method is lightweight, and ...

Abstract: This paper proposes novel robust and low-overhead physical unclonable function (PUF) authentication and key exchange protocols that are resilient against reverse-engineering attacks. The ...

How to Extract a Substring in Excel Using FIND() and MID() Functions Your email has been sent Learn how to use MID() and FIND() and then combine them to parse substrings from inconsistent data.

substr（s,n1,n2）是建立在字节的基础上，s表示某一变量或一个字符串，n1表示从s的第n1个字节开始截取，n2表示需要截取子字符串所占字节的长度。如果n1<0，表示的是从离字符串尾部的第|n1|个字节开始截取，如果n2=.，则截取的是从s的第n1个字节开始到s的最后一个 ...

The substr_count() in php is a string function which counts the no of times the sub string occurred in the string. this function is case-sensitive. the syntax of the function is as : ...