Django项目同时连接多个不同的数据库(7)
【7月更文挑战第7天】在Django项目中配置连接多个数据库，你需要：
1. 在`settings.py`中配置多个数据库，
2. 在`settings.py`内设置数据库路由，指定每个应用使用的数据库，
Android面试题之App的启动流程和启动速度优化
App启动流程概括：
当用户点击App图标，Launcher通过Binder IPC请求system_server启动Activity。system_server指示Zygote fork新进程，接着App进程向system_server申请启动Activity。经过Binder通信，Activity创建并回调生命周期方法。启动状态分为冷启动、温启动和热启动，其中冷启动耗时最长。优化技巧包括异步初始化、避免主线程I/O、类加载优化和简化布局。
Life of a Packet in Kubernetes - Calico网络进阶(注解版)
As we discussed in Part 1, CNI plugins play an essential role in Kubernetes networking. There are many third-party CNI plugins available today; Calico is one of them. Many engineers prefer Calico; one of the main reasons is its ease of use and how it shapes the network fabric.