linux 系统

【Linux 内存管理】

Yongqiang Cheng

Linux 系统中的 /dev/null 文件In some operating systems, the null device is a device file that discards all data written to it but reports that the write operation succeeded. /dev/null (空设备) 在类 Unix 系统中是一个特殊的设备文件，它丢弃一切写入其中的数据，但报告写入操作成功，读取它则会立即得到一个 EOF。/dev/null 也被称为比特桶或者黑洞 (bit bucket

Yongqiang Cheng

在 Linux 系统上安装 Android NDKhttps://developer.android.com/ndkThe Android NDK is a toolset that lets you implement parts of your app in native code, using languages such as C and C++. For certain types of apps, this can help you reuse code libraries written in those languages. Androi