1.SettingWithCopyWarning: A value is trying to be set on a copy of a slice from a DataFrame 场景:运用pandas修改某个序号所对应的key值时出现了该类警告 https://stackoverflow.com/questions/26724378/pandas-settingwithcopywarning 代码: df_index = df.loc[index]df_index[key] = value
<script> var phoneWidth = parseInt(window.screen.width); var phoneHeight = parseInt(window.screen.height); var phoneScale = phoneWidth/750; //除以的值按手机的物理分辨率 var ua = navigator.userAgent; if (/Android (\d+\.\d+)/.test(ua)) { var version = parseFloat(R