Programmer Group

1, Nacos configuration center Official documents: https://github.com/alibaba/spring-cloud-alibaba/wiki/Nacos-config Nacos provides key/value storage for storing configuration and other metadata, and provides server-side and client-side support for externalized configuration in distributed systems. Using Spring Cloud Alibaba Nacos Config, ...

00x01. Information collection under Linux Under linux, port scanning, IP scanning and MAC scanning are mainly used to collect information Information collection in the early stage of NMAP As one of the most commonly used tools for penetration testing, nmap appears in various scenarios, and its functions are also very rich. It can not only scan ...

Introduction to docker docker pull website Docker - Official Image | Docker Hub 1. Install docker 1. Delete the local docker yum remove docker* 2. Download the yum runtime library sudo yum install -y yum-utils 3. Set download source yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo 4. Download do ...

At present, many high-performance Java RPC frameworks are implemented based on Netty, and the design principle of Netty is inseparable from Java NIO. *** 1. Buffer inheritance system As shown in the figure above, for all basic types in Java, there will be a specific Buffer type corresponding to it. Generally, we most often use ByteBuffer. ...

new and delete Tmp* p=new Tmp();------new operator(Not reloadable) Request memory (call) operator new)Can overload Call construct delete p ;-----delete operator((not reloadable) Call destructor Memory release(operator delete)Can overload void* operator new(size_t size)overloaded function { cout<<"void* operator new(size_t siz ...

PS: if you want to reprint, please indicate the source. I own the copyright. PS: This is only based on my own understanding, If it conflicts with your principles and ideas, please understand and do not spray. Environmental description MLU220 development boardUbuntu18.04 + one mlu270 development hostAarch64 Linux GNU GCC 6. X cross compiling ...

Concurrent API usage 0 Basics Hardware thread (logical core): the thread actually executing the calculation (number of hardware threads = number of physical CPUs * number of physical cpu cores * number of logical cores per core (2) [with hyper threading technology enabled])Software thread: the thread used by the operating system for cross ...

The three states of Animator Cintroller and the properties of animation states Original here First we have to create a new animation controller 1 right click the folder Assets2 click Create3. Click Animator Controller again This creates an animation controller What we will see is the following scenario: 1 each Animator Controller comes ...

2021SC@SDUSC Wait event tos_ event_ The pend() function is used to obtain events. Through this function, you can know which bit in the event flag is set to 1, that is, which event has occurred. Then, the task can specify "logical and" and "logical or" to wait for the waiting event (opt_pend option). And this function i ...

1. Ecology and advantages of vue3 Community ecology - gradually improvedOverall optimization - Performance Optimization / TS support optimization / combined API blessingMarket use - some companies with radical technology selection have used vue3 in the production environment Community ecology Component (plug-in) nameOfficial addressbrief i ...