The AT24C01 provides 1024 bits of serial electrically erasable and programmable read only memory (EEPROM) organized as 128 words of 8 bits each. The device is optimized for use in many industrial and commercial applications where low power and low v
正在开会，同事电话反映开发库不能写入了，错误信息如下：
1209 – The MySQL server is running with the–read-only option so it cannot execute this statement
一般这个错误有两种原因：
1.连到从库了。从库一般设置为只读。
2.主库的read_only参数被修改为1
开发人员是普通用户应该没有权限修改这个参数的值。
DBA也不会去主动修改这个参数。那究竟是什么原因导致开发库不能写入了呢？
首先确认了不是开发
A novel read-only memory (ROM) disk with an AgOx mask layer was proposed and studied in this letter. The AgOx films sputtered on the premastered substrates, with pits depth of 50 nm and pits length of 380 nm, were studied by an atomic force microscop
