Java Design Patterns - Facade

Article Directory Preface 5 1. Facade Facade 10 2. Steps 13complexity, and provides the client with an interface through which the client can access the system.This type of design pattern is a structural pattern that adds an interface to an existing ...

2022-09-23 | java lovers milk candy | 265 views

Linux system scheduler (4) -- use the chrt command to query and modify the process scheduler

1. 引言上一篇文章中,我们介绍了linux 调度器的演进: linux 进程调度器(下) 调度器演进biz=MzU4MzU4NzI5OA== mid=2247486293 idx=1 sn=45320c8548c99549de22511011de1aba chksm=fda78fd8cad006ceb6801288d0b017f1b28e0bbeff9c135eae97921ed641e13fbfe4942b84b5 scene=21 wechat redirectIn the previou...

2022-09-23 | The user 3147702 | 475 views

[linux] The use of linux development tools

linux开发工具的使用 一、linux软件管家 yum linuxyum 5 1.1 软件包的概念 11 6 1.2 yum的使用 12 yum 16 1.2.1 查看安装包 121 17 1.2.2 安装软件 122 25 1.2.3 卸载软件 123 30 二、linux下的编辑器 vim linuxvim 34 2.1 插入模式下的命令 21 49 2.2 命令模式下的命令 22 57 2.3 底行模式的命令 23 120 2.4 vim的配置 24 vim 133 三、linux下的编...

2022-09-23 | Make your own life~ | 445 views

How to Find Most Running Processes by Memory and CPU Usage in Linux

Querying Linux's Most Running Processes Introduction 2 Running Processes by Memory and CPU Usage CPU 7 Overall System Reporting via Commands 12 Viewing Running Processes by Memory and CPU Usage CPU 29 By User Usage Statistics 43 Default System Monito...

2022-09-23 | Embedded yue xiang park | 557 views

How to Monitor Your Linux Server with Checkmk

How to use Checkmk monitor your Linux server preface 2 Linux server with Checkmk Checkmk Linux 8 on Linux installation Checkmk Linux Checkmk 13 on the Debian/Ubuntu installation Checkmk UbuntuDebian Checkmk 16 on the Red hat/Fedora Linux install Chec...

2022-09-23 | Embedded Yuexiang Garden | 740 views

43-Redis

43 MybatisPlus heima Notes Article Directory 43 MybatisPlus heima Notes 43 MybatisPlusheima 0 1. Getting Started with Redis Redis 11 ①: Introduction 12 ②: Application Scenario 16 ③: Download and Installation 24 01. Download 01 26 02. Installation (Li...

2022-09-23 | Happy Clover (● ̄(エ) ̄●) | 541 views

SpringBoot's startup extension point ApplicationContextInitializer

1. Introduction In the previous article, we introduced in detail the six extension points reserved by Spring that can be used to extend the code, so that we can add the business startup code we need in the Spring startup phase: Add SpringBoot custom ...

2022-09-23 | User 3147702 | 931 views

Linux process resource limit -- the mechanism and usage of CGroup

1. 引言此前的文章中,我们介绍了docker 赖以实现资源隔离与限制的原理: docker 赖以实现资源隔离与限制的原理biz=MzU4MzU4NzI5OA== mid=2247486129 idx=1 sn=f27f0219ad57d9b6bd3beaceb045440e chksm=fda78e3ccad0072a32aa6b7612ce0de459e8094f68b21499920f05f66335b276fb6bc2eda6ed scene=21 wechat redirect In ...

2022-09-23 | User 3147702 | 705 views

New energy vehicle milestone, Xiaopeng g9 announced, the era of fast charging is coming_Sohu Auto_Sohu

At present, there is a lot of news about Xiaopeng g9 on the Internet. This car can be said to have made a lot of gimmicks before it goes on sale. As an SUV model of Xiaopeng, the highlight of Xiaopeng g9 is not only an off-road model, its charging sp...

2022-09-23 | Youpeng Creative | 334 views

HBase data migration implementation

Many ways, I use the Export and Import it was rather easy to use, there are several I use scene, the following will be separately: my demand is to old cluster data migrated to a new cluster, but there are two things: 1. The two cluster network to Chi...

2022-09-23 | Actually I'm real | 638 views

"Java" logic control

When you stop, don't forget that others are still running https://img blog.csdnimg.cn/54bea5c26b0d4875a7408e98ee0570a2.jpeg Contents 1. Classification of program control statements 1.%E7%A8%8B%E5%BA%8F%E6%8E%A7%E5%88%B6%E8%AF%AD%E5%8F%A5%E5%88%86%E7%...

2022-09-23 | Desperately Azi | 373 views

Python & Spark Study Notes Series [Chapter 3] Example: Python+Spark+Hbase

Here my original data is in Hbase. The following will introduce two ways to achieve the effect of operating Hbase through Spark.The first: Spark directly connects to HBase The code is as follows, but here I encountered a problem, that is, the org.apa...

2022-09-23 | Actually I'm real | 313 views

Build Docker & k8s environment from scratch and use + understand

Although for network is come round, but I was the first time, after all, Internet is always can't find the answer you want.╮ ╯ del ╰ ╭ the first step to installing Linux CentOS 7, I is according to this post according to, very detailed.Just post pres...

2022-09-23 | Actually I'm real | 410 views

【Java】Operator

I do n’t think about whether it can be successful. Since it ’s a long way to take care of the wind and rain -Wang Guozhen https: // img blog.csdnimg.cn/4818ca60142B4CA9AC600BE1824ADA50.jpeg Directory 1. Know the operator 1.%20%e8%AE4%A4%E8%AF%86%E8%B...

2022-09-23 | Desperately Azi | 345 views

Code on eclipse remote debug server

1. The Java maven project into the jar first, and then on the server.2. Then edit startup command start. Sh content is as follows.Classpath = find the name '/. Jar xargs sed' s / / / g: 'the classpath ='. : $classpath 'Java Xdebug Xnoagent Xrunjdwp: ...

2022-09-23 | Actually I'm real | 399 views

Priced from 309,900 yuan, how does the ultra-fast Xiaopeng G9 break the game?

After two years, Xiaopeng G9 is finally here.On September 21, the Xiaopeng G9, which is positioned as an "ultra-fast charging and fully intelligent SUV", was officially launched. The new car has three battery life versions, including 570 G, 570 E, 70...

2022-09-23 | steam chat | 102 views

Spring (7): di dependency injection

1. What is DI Dependency Injection Dependency injection (DI) is a process by which an object is passed only by constructor parameters, parameters of a factory method, or properties set on an object instance after it is constructed or returned from a ...

2022-09-23 | Who knows if the water is hot or not | 594 views

Hive operation HBase summary

First create an Hbase index in Hive.Type hive to enter the hive command line, and execute the hive table creation statement as follows CREATE TABLE lwb test1 key string,xm string,nl int STORED BY 'org.apache.hadoop.hive.hbase.HBaseStorageHandler' WIT...

2022-09-23 | Actually I'm real | 780 views

Nacos+Spring Boot+Dubbo native integration example

Nacos + Spring Boot + Dubbo native integration example front 1 body 5 I built three environment altogether.Overall entry: basic body this way is to use nacos website + dubbo example the club's official website, their hard build a, particularly uncomf...

2022-09-23 | Actually I'm real | 115 views

Spring Boot/Cloud+Nacos+Dubbo integration example

Spring Boot+Nacos+Dubbo integration example Preface 1 Environment setup: 4 Here are a total of 3 integration methods 3 19 The first: Nacos+Spring Boot+Dubbo native NacosSpring BootDubbo 22 The second: Nacos+dubbo spring boot starter Nacosdubbospringb...

2022-09-23 | Actually I am the true temperament | 449 views