Programming VIP

1. The process of redis master-slave replication synchronization 1. Send a sync synchronization command from the service to the primary service to require full synchronization 2. When the primary service receives sync synchronization commands from the service, a subprocess of fork executes bgsave command (non-blocking) snapshot saving in the ...

This time, I mention this part of the content to now, because the project developed during this period has just met some difficulties in this area, so I am ready to share my experience with you. When we use Akka, we often encounter some scenarios to store the internal state of Actor. In the normal operation of the system, we do not need to worr ...

1. Introduction to PLI functions Verilog PLI(Programming Language Interface) is a mechanism for Verilog code to call C/C++ functions. It enables Verilog to call C/C++ functions written by users like some system calls (e.g. $display/$stop/$random), so that we can start our own system task/function with C/C++ language to realize the inconvenient ...

Unless it is a simple project, most of the Maven projects encountered in practical work are multi-module. Each project module can be developed independently, and some of them may use the functions of other modules. How to use Maven to build a multi-module project? Maven provides a way of inheritance and aggregation to build multi-module enginee ...

Build your own maven warehouse with GitHub I. background Github has also written a lot of projects, and then a common problem is that many of the projects written by themselves can only be downloaded when they want to be used in another project, which is quite inconvenient. Because most of the java back-end projects are based on Maven managemen ...

problem (1) Is the CopyOnWriteArraySet implemented with Map? (2) Is the CopyOnWriteArray Set orderly? (3) Is the CopyOnWriteArraySet concurrently secure? (4) How does CopyOnWriteArraySet ensure that elements are not duplicated? (5) How to compare whether the elements in the two Set s are identical? brief introduction CopyOnWriteArraySet uses Co ...