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prefaceThis article is not written to analyze how the Handler is used. The purpose is to look at the evolution of the Handler from a design point of view and why there are four classes: looper, messagequeue, Handler and message.I The nature of thread communication?The main difference between threads and processes is that threads share memory. I ...

What is ribbon At present, the mainstream load schemes are divided into the following two types: Centralized load balancing uses independent agents between consumers and service providers, including hardware (e.g. F5) and software (e.g. nginx)The client does load balancing according to its own request, and the Ribbon belongs to the client t ...

csdn online learning course, course consultation and Q & A and new course information: QQ communication group: 422901085 for course discussion android cross process communication practice video course (add group to get preferential) I believe you should be familiar with the above diagram of binder cross process communication. There are fo ...

Why do I need to reduce the load In micro service clusters, the call link is perplexing. As a service provider, there is a mechanism to protect itself, which prevents the caller from calling himself down without any brain calls and ensuring the high availability of his services. The most common protection mechanism is the current limiting mech ...

1. Integrated log framework 2, @ Nullable annotation 3. Functional style GenericApplicationContext 4. Integrate JUnit5 5，Webflux 5.1 introduction to spring Webflux5.2, responsive programming5.3. Webflux execution process and core API5.4, annotation based programming model5.5, based on functional programming model Integrated logging ...

Handling exceptions through @ ControllerAdvice and @ ExceptionHandler annotations Note that the range of exceptions that @ ExceptionHandler can only handle is in this control class, which means that it is impossible to handle exceptions in other control classes. You can only add exception handling methods in each class, but one exception handl ...