- Python
- Junit
- Algorithm
- xml
- Mybatis
- encoding
- SpringBoot
- jvm
- Spring
- REST
- MySQL
- Mac
- Web Security
- Apache
- socket
- curl
- SDK
- Docker
- kafka
- Database
- Windows
- DNS
- axios
- Interview
- shell
- Django
- Linux
- Session
- network
- kubelet
- Kubernetes
- yum
- image processing
- Maven
- JDBC
- JDK
- less
- Java
- vim
- Back-end
- Nginx
- Hadoop
- Ubuntu
- Gradle
- IE
- npm
- Oracle
- github
- Tomcat
- git
- Vue
- ftp
- JQuery
- sudo
- ascii
- CentOS
- Android
- PHP
- PostgreSQL
- Firefox
- JSON
- ssh
- JSP
- SQL
- Programming
- Attribute
- calculator
- Big Data
- Javascript
- Vmware
- Jedis
- jenkins
- Lombok
- log4j
- Linker
- Lambda
- Laravel
- linked list
- leetcode
- Unix
- C
- Swift
- SurfaceView
- SSL
- SQLite
- codec
- Spring Cloud
- angular
- Spring Boot
- Spark
- css
- snapshot
- data structure
- Shiro
- Deep Learning
- Design Pattern
- SELinux
- Selenium
- security
- Web Server
- Scala
- Dubbo
- Ruby
- RPM
- Eclipse
- ElasticSearch
- Redis
- React
- RabbitMQ
- Excel
- Pycharm
- Webpack
- firewall
- Zookeeper
- Programmer
- Weblogic
- pip
- Fragment
- Permission denied
- GitLab
- OpenSSL
- Assembly Language
- Handlebars
- Netty
- HBase
- hive
- html
- html5
- Vue.js
- MongoDB
- AWS
- Mobile
- iOS
- vsftpd
- IoT
- flink
- stm32
- Autonomous vehicles
- Multithreading
- Makefile
- Stored Procedure
- Struts
- IDE
- Front-end
- svn
- penetration test
- PDO
- P4
- OS X
- TCP\/IP
- iptables
- IDEA
- Cache
- Operating System
- Web Development
- C++
- map
- OkHttp
- AI
- TypeScript
- Graph Theory
- Mongoose
- SHA1
- NLP
- sklearn
- xcode
- Unity
- Cyber Security
- Unity3d
- software testing
- sass
- Druid
- JavaSE
- Dynamic Programming
- VirtualBox
- Asterisk
- InfluxDB
- css3
- R Language
- crawler
- HashMap
- regex
- IPython
- Embedded system
- Hibernate
- Machine Learning
- Container
- Qt
- Computer Vision
- Blockchain
- Pytorch
- Spring MVC
- Mini Program
- Visual Studio Code
- cmake
- SSM
- MATLAB
- saltstack
- Amap
- Anaconda
- Android Studio
- ansible
- architecture
- ARM
- C#
- Ceph
- Computer Graphics
- Concurrent Programming
- dart
- Data Mining
- Distribution
- docker compose
- dp
- ECMAScript
- Erlang
- FileProvider
- Flask
- Flutter
- FreeMarker
- Go
- greedy algorithm
- harmonyos
- hot update
- http
- https
- ICPC
- intellij-idea
- IntelliJ IDEA
- ioc
- IT
- JavaEE
- java web
- JUC
- jupyter
- kotlin
- Load Balance
- MariaDB
- Math
- MediaPlayer
- MFC
- Microservices
- mvc
- mysqladmin
- mysqlbinlog
- .NET
- neural networks
- node.js
- NodeManager
- odbc
- OpenCV
- Operation & Maintenance
- paddlepaddle
- perl
- pygame
- Python crawler
- Red Hat
- reflection
- RESTful
- Retrofit
- RHEL
- ROS
- rsync
- Rust
- server
- set
- Shader
- Single-Chip Microcomputer
- slam
- Software development
- source code
- SQL Server
- STL
- supervisor
- svg
- Thymeleaf
- udp
- UI
- Verilog
- visualstudio
- vnc
- VPN
- Zabbix
- Highcharts
- unit testing
- bug
- mysqldump
- Navicat
- neo4j
- brew
- hash
- harbor
- network-flows
- boto
- nexus
- nfs
- Halcon
- NIO
- gym
- uvm
- Alsa
- gpu
- nvidia
- oauth
- Object Detection
- v-im
- odoo
- GPLT
- OOP
- bootstrap
- OpenGL
- gpio
- OpenStack
- glide
- BOM
- glibc
- gis
- gc
- Visualization
- pandas
- PCIe
- PCL
- Game Development
- future
- xpath
- FreeSwitch
- Framework
- FPGA
- pointer
- POSIX
- flume
- presto
- flex
- filter
- Project
- Prometheus
- Promise
- pta
- pwn
- FIFO
- Visual Studio
- ffmpeg
- Blazor
- Exception
- qml
- QRCode
- EPEL
- queue
- emulator
- Raspberry Pi
- emoji
- ReactNative
- Binary tree
- ELK
- Alibaba Cloud
- elementUI
- Ehcache
- VPC
- 5g
- RGB
- BERT
- ECMAScript6
- rman
- Robot
- RocketMQ
- awk
- echarts
- Autofac
- rtc
- RTOS
- ebpf
- ASP.NET
- 3d
- DrawerLayout
- Double Pointer
- scikit-learn
- scss
- dos
- dll
- security hole
- dfs
- DevOps
- Sensor
- webgl
- servlet
- Delphi
- array
- sftp
- Decision Tree
- Arcpy
- DBus
- data visualization
- simulator
- webrtc
- Singleton pattern
- Singly Linked List
- data security
- arcgis
- Data Analysis
- CUDA
- AOP
- CTF
- solidity
- solr
- websocket
- crontab
- Cpp
- Convolutional Neural Networks
- Context
- spring-cloud
- CODING
- Code Style
- Spring Security
- Cloud Native
- clickhouse
- zlib
- SQL Sever
- sqoop
- Class
- CLang
- chrome
- stack
- windbg
- cfd
- STM32F103
- STM32F4
- cesium
- storm
- Celery
- sublime
- CDH
- Annotation
- CCS
- word2vec
- svm
- CAPL
- CAP
- swing
- systemverilog
- CANoe
- TensorFlow
- Testing
- TextView
- thread
- ThreadLocal
- thread pool
- WPF
- canal
- treemap
- led
- linear algebra
- Latex
- kvm
- kong
- list
- LiveData
- llvm
- ts
- koa
- LogStash
- kernel
- lwip
- Kafaka
- jwt
- machine vision
- macOS
- Jetty
- jetpack
- mapreduce
- BUUCTF
- ButterKnife
- javafx
- matplotlib
- jar
- MCU
- AngularJS
- memcached
- Merge
- message queue
- UE4
- microchip
- micropython
- Xilinx
- microsoft
- MinIO
- ipc
- ML
- io
- inotify
- IIS
- MQ
- IAP
- uniapp
- mybaties
- HiKariCP
- MybatisPlus
- mycat
Vi. installation and configuration Hive (the sixth operation)
MySQL installation Download MySQL server from the official website (yum installation) wget http://dev.mysql.com/get/mysql-community-release-el7-5.noa...
Three different implementation methods of LVS-DR
1. Implementation of VIP and DIP in the same network segment Network topology Configuration environment Configure RIP1 of Client gateway pointing to ...
One server of front and back end separation project is online
I. purchase server Here are some notes When you choose to configure linux system, you'd better choose centos7 + instead of centos6+ To configure ...
Linear interpolation animation
Linear interpolation animation DoubleAnimation: attributes of Double type can be used to produce linear interpolation animation effect ColorAnimation...
Why does Hashtable ConcurrentHashmap not support key or null value
Both ConcurrentHashmap and Hashtable are key value storage structures, but they have one difference: ConcurrentHashmap and Hashtable do not support ke...
P1016 budget simulation greed of travelers
Title Description Mo Mo has purchased a set of N color brushes (some of them may be the same color), which are arranged in a row. You need to answer M...
Gorang implementation of topological sorting - DFS algorithm version
Problem Description: there is a series of numbers 1 to 5, which are rearranged and printed according to the following requirements on order. The requi...
Hibernate 4 + MySQL demonstration of Chinese naming
Recently, there is an opportunity to verify the feasibility of Chinese naming in a given development environment. The source code of the example is as...
Prototype pattern of Java design pattern (creation pattern)
Definition: prototype pattern is to use prototype instances to specify the type of objects to be created, and to create new objects by copying these p...
Gorang as the server, C (unity) as the client, Socket communication problems
Server datalen + message ----- > packagedata ----- > network transmission ([] byte) ---- > client ----- > unpackedata ----- > datalen +...
Sorting List in Java
scene Bean is defined as follows, with only one age field of type Integer. @NoArgsConstructor @AllArgsConstructor(staticName = "of") @Data p...
POJ 2965 The Pilots Brothers' refrigerator
http://poj.org/problem?id=2965 Method 1: I changed it according to 1753. I enumerated directly from 0 to 16. Some redundant code that does not affect ...
Display the current process memory usage value in Unity3D by calling CPP DLL under PC
After parsing MIDI, CSharp wants to write a memory occupation display. Generally, when writing CPP programs, it likes to check the memory and prevent ...
Thread sharing and collaboration in concurrent programming
For more advanced video learning of Android architecture, please click: https://space.bilibili.com/47...This article will discuss thread sharing and c...
"ZJOI2014" is brilliant
"ZJOI2014" is brilliant In fact, you don't have to build a crystal cube Because, the direction of luminescent crystal should enumerate ...
Django Rest framework Serializer serializer-04 model class serializer
Model class serializer If we want to use the Serializer corresponding to Django's model class, DRF provides us with the ModelSerializer model cl...
Adding, deleting, modifying and querying cookies in Java
Adding, deleting, modifying and querying cookies in Java Cookie attribute Name: the name of the cookie Value: the value of the cookie maxAge: the expi...
Swoole and thinkp5 develop WebSocket online chat communication system
To use Swoole in ThinkPHP, you need to install the think Swoole composer package, provided that the system has installed the Swoole PECL extension* T...
How to integrate google/pprof into existing services?
Last week, I received the R & D requirements from the leaders and wrote a monitoring service monitor server to analyze the status of the services ...
Automatic building brush Taobao meow coin! It's the basic quality of programmers to be able to do nothing automatically!
In recent days, did the double 11's activities toss you around? If not, there are only two possibilities: first, you don't have a girlfriend...
socket programming based on UDP protocol
Catalog Simple example of UDP socket Server side Client UPD socket non stick package problem Server side Client qq chat Server side Client 1 Client 2...
Vue.js conditions and loops
Source: Alibaba cloud University - Developer class - Vue.js self study manual Conditional judgement v-if Condition judgment uses v-if instruction: v-...
Mengxin's 2019 Hackergame trip to CUHK
Mengxin's 2019 Hackergame trip to CUHK Sign in problem White and night ~~Cyberpunk ~ ~ information security 2077 The ultimate problem of the uni...
Spring boot XXL job task scheduling
I. Introduction to XXL job Take a paragraph XXL-JOB is a lightweight distributed task scheduling platform. Its core design goal is to develop quickly...
Firewalld firewall advanced configuration - (real world chapter!!)
Experimental topology Experimental requirement 1. Intranet users of the company need to share the Internet through the gateway server2. Internet user...
The birth of J.U.C
Preface J.U.C is a shorthand for java package java.util.concurrent, which is abbreviated in Chinese and contracted. It is a new basic api for writing ...
Introduction to the battle of URLOS - making LAP Website Environment
1. Make LAP image1.1. Log in to the host machine using ssh, create the Dockerfiel file and fill in the following contents FROM php:7.2.16-apache-stret...
Pgpool-II + PostgreSQL one main source and two standby source compiling environment
Host IP Virtual IP server1 192.168.222.141 192.168.222.200 server2 192.168.222.142 server3 192.168.222.143 Item Value Detail PostgreSQL version 10.10...
ovn implementation of container Internet access, nat, fip
Experimental topology Physical topology Logical topology 172.24.4.8 is the fip of pod 100.60.0.31. step Get ready Create logical router ovn cluster ov...
8086 assembly basic masm compilation source file
IDE : Masm for Windows Integrated experimental environment 2015 OS : Windows 10 x64typesetting : Markdown blog : my.oschina.net/zhichengjiu gitee : g...