1.定位到文件UnityViewKeyboard.mm同如下路径: 2.打开该Objective-C脚本进行编辑,找到关键函数: createKeyboard:
- (void)createKeyboard
{// only English keyboard layout is supportedNSString* baseLayout "1234567890-qwertyuiop[]asdfghjkl;\\zxcvbnm,./!#$%^&am…
文章目录 单列索引组合索引索引跳跃扫描 https://dev.mysql.com/doc/refman/8.4/en/range-optimization.html
查询计划中 type 为 range 时,表示 MySQL 会通过索引进行范围扫描。
单列索引
对于单列索引,以下情况会使用到 range 优化:
BT…
1 first step
choose use your phone or tablet to get a security code" 2 second step
open your google app google app not chorme app
then choose setting -- google account -- security code In the end input your security code