- 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
dubbo source code analysis - service invocation process - Notes
Process flow chart of consumer call Calling process of consumer Consumer interface example: Process of receiving message at server NettyHandler. messa...
C ා create Excel chart with multi-level classification labels
Compared with data, charts can more intuitively reflect the trend of data changes. In the data table, the same data value may represent different data...
Use React setState like this to develop a direct call line!
(Long time no see, title skin, content or conscience)As we all know, React realizes the management of components by managing state, and setState is th...
python multithreaded crawler + batch download Doo Doo Doo picture project (attention, continuous update)
python multithreaded crawler project () Crawling target: doodle (starting url: http://www.doutula.com/photo/list/?page=1) Crawling content: doutula pi...
Using form create to dynamically generate vue components
Using form create to dynamically generate vue custom components and nested form components [github] | [description document] maker.create Build custo...
springboot custom exception
Spring boot custom exception and exception handling In a web project, we may need to return different prompt codes to the front end. For example, 401 ...
Group B of 2018 blue bridge provincial competition - global warming
There is such a question when I recently brush the Blue Bridge Cup: The main idea of the topic You have a picture of NxN pixels in a certain sea area...
Html reads the pictures in the local folder and displays
One purpose Select the local folder on Html, automatically read all pictures under the folder and subfolder and display them on the page. Technical a...
Centos7 haproxy dynamic and static separation
Results achieved:When the client accesses haproxy, when the request is static file content, the request is transferred to static server, when the req...
Some pits of Object to Map
Here, three methods of Object mapping are summarized 1. Use reflection getDeclaredFields and getFields /** * Clean the data of the incoming object, re...
The use of higher order functions
problem Byte skipping: the original function, such as fetchData, is an asynchronous function, trying to get some information from the server and retur...
Neural network, integer to onehot vector experiment, found that Adam optimizer is not universal, sometimes RMSprop optimizer is better
Experiment: the 16 integers 0-15 are transformed into a onehot vector with length of 16 by MLP of two layers, and the accuracy is required to be 100%...
Deployment and monitoring of MYSQL 5.6 replication from the library
Deployment and monitoring of MYSQL 5.6 replication from the library MYSQL 5.6 installation and deployment #1. Download the installation package wget h...
Nine palace pattern of lottery component
Written in front I changed my career in the middle and bumped into the front end by mistake. It may be due to my 'laziness'. I have never pu...
Java's new project learning online notes - day3(3)
2 new page 2.1 new page interface definition 1. Define response model @Data public class CmsPageResult extends ResponseResult { CmsPage cmsPage; publ...
PHP+Redis can delay tasks and automatically cancel and complete orders
Simple timing task solution: use redis's keyspace notifications (notify events after key failure); (A) business scenario: 1. When a business is t...
138. Copy list with random pointer
Title: Given a linked list, each node contains an additional random pointer that can point to any node or null node in the list. It is required to re...
How H5 evokes Baidu map App
Recently, I took over a demand for hybrid development. After h5, the front-end embedded the page into ios and android, and the map navigation of Baidu...
Natural language processing: preprocessing of PTB data set
Reference books TensorFlow: a practical Google deep learning framework (version 2) First, assign a number to each word according to the word frequency...
Functional computing automation operation and maintenance practice 2 -- event triggered eip automatic transfer
Function calculation Ali cloud Function calculation Is an event driven fully hosted computing service. Through function calculation, you don't ne...
Ubuntu 16.04 163 Netease source settings (automatic configuration script)
1, introduction 1.1 INTRODUCTION In many cases, in order to facilitate the operation and if conditions permit, install directly online, but the url a...
Customize the layout of personal microblog
Take personal blogs for example, Blog address Preparation install $ npm install -g hexo-cli Initialization $ hexo init <folder> $ cd <folder...
Deep understanding of javascript prototype and prototype chain
One, function object __proto: all reference types (functions, arrays, objects) have properties (implicit prototypes) Prototype: all functions have th...
[tutorial] Java MySQL connection
Reprinted from http://www.runoob.com/java/java-mysql-connect.html In this chapter, we will show you how to use JDBC to connect to MySQL database. A d...
Application instance of rewrite Module of Nginx service (actual combat! Can do with it!)
Experimental environment Linux CentOS7 virtual machine (IP: 192.168.52.132)win10 virtual machine (as test machine) 1. Install Nginx and bind services...
Data structure quick sort
Fast sorting is the upgrade of bubble sorting, which belongs to exchange sorting. The basic idea of fast sorting is: the records to be sorted are div...
R script reading summary Excel table data
It mainly uses xlsx and rJava package, opens Excel file, reads data of each table, and writes it to summary table. The following figure shows the ori...
Binary tree traversal algorithm
Preorder traversal Idea: first root node - > left subtree - > right subtree;The binary tree is as follows: /** * TreeSearch Brief description *...
Things about Android layoutparams
Original text: http://tryenough.com/android-... What is LayoutParams? LayoutParams is used by View to tell its parent control how to place itself. Lay...
The stored procedure for generating time dimension in mysql (stored procedure example)
This paper mainly records the problem of generating time dimension in the process of BI and data analysis. It is also a basic example of mysql stored ...