How to calculate CRC8 & CRC16 in MTools

CRC - Cyclic Redundancy Check is widely used in data transition. According to wikipedia.org, A CRC-enabled device calculates a short, fixed-length binary sequence, known as the check value or CRC, for each block of data to be sent or stored and appends it to the data, forming a codeword.

Python 数据处理之字段去重

在之前遇到的数据中,由于同一部件的可替换不同产品,造成了同一行出现了2次及以上同样的字段和属性值,而只需要其中的一个以及对应值即可,此文记录下处理的过程。