Front and back interaction (Promise, fetch, axios, async / await usage)
1.Promise overview
Promise is a solution of a...
Analysis of the execution process of Mapper interface of MyBatis
Mabtis, as an excellent persistence framework, not only improves our development efficiency, but also has the characteri...
mysql user management and permission setting under centos7
1.Get into mysql Command line, entering root And password [root@localhost ~]# mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands...
vue koa2 mongodb does the back-end part of the personal blog login registration function from scratch
0. Effect demonstration It's annoying to plug in a video.You can go out and turn right to Youku. Click on me!). 1. Backend Build 1.1 Project Stru...
kubeadm deployment k8s
The new version of kubeadm has changed some parameters, the installation method has changed, you can refer to the new version installation method [ku...
k8s deployment stateful service zookeeper example
Without considering the configuration file first: apiVersion: apps/v1 kind: StatefulSet #####A problem with fixed hostname and stateful service is th...
Kubeflow series: Solve one-click installation of kubeflow based on Ali cloud mirror in China
Environmental preparation kubeflow is very demanding for the environment. See the official requirements:at least one worker node with a minimum of: 4 ...
How to use EasyPermissions
Starting with Android 6.0 (API level 23), users begin to grant permissions to applications when they are running, rather than when they are installed...
Kubeflow series: analysis of kubeflow components
As a big gift package of machine learning based on cloud native, kubeflow can be used as a good example of cloud native learning. At the same time, t...
api request function based on axios encapsulation
After vue resource is not recommended in vue 2.0, most people choose axios. axios can be used not only in vue, but also in angular and react. So lear...
cookies and sessions components
Catalog Cookies and session s cookie introduction session Introduction token django operation cookie Set cookie Get cookie delete cookie Login authen...
ASH production practice I of Oracle10G
ASH practice 1 of Oracle10G ASH is a new feature of Oracle 10g, which is very valuable for DBA. It is based on V $sssion and samples once a second, R...
LNMP schema access log, log cutting, static file not recording and expiration time setting
November 27 mission 12.10 Nginx access log 12.11 Nginx log cutting 12.12 static files do not record logs and expiration times Nginx access log Modify ...
Upload forms and attachments
Tools: vue+elementUI(upload component) Requirements: familiar with the uplood components and features of elementUI Get request file upload The upload...
Experience in the development of vue mobile terminal
Introducing Mint UI on demand Used in this project mint-ui As a basic ui framework, it has encountered many problems in use. The official website doc ...
Getting started with Python crawler
Written in front A beautiful day has begun again. Today, we continue to climb the IT online education website, mooc.com. The data volume of this platf...
JFreeChart drawing + jsp page display implementation statistics
1 development environment: 1. eclipse (replaceable) 2,jfreechart-1.0.19 2 Description: (1) source directory: it's the source directory of jfreech...
Three states of Hibernate object
hibernate has three states: Transient, persistent, detached The following figure shows the state transition of objects in hibernate: Example 1 @Test ...
Spring MVC conceptual model -- HandlerMapping: request / processor mapping
Summary Spring MVC interface HandlerMapping is used to abstract modeling concepts: mapping between request and handler. The interface can be implemen...
On the interceptor of login request of vue axios
When we are making interface requests, such as when we judge the login timeout, it is usually the interface returns a specific error code. If we judge...
CAS 5.2.6 single point login user defined login verification and registration process in subsystem
Cas Server configuration Create a src/main/resources folder, find the file in the WEB-INF of cas, then modify the html file page, and add a new butto...
The implementation of registration function in Java Web
Implementation of registration function Experimental steps 1. Create the database mydb with the character code of utf-8. 2. Create a tb_user table in...
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...
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...
Optimization of construction speed of vue-cli2
For the front-end projects created by using Vue cli scaffolding, compiling and publishing are almost necessary operations, some of which only need sec...
Configuration of axios in nuxt
Need npm axios? At the beginning, I thought that npm axios was needed, just like the common vue SPA development, and this way could work. But it is n...
mongodb installation under Centos7 and its simple and practical application
i skeleton spirit Concern August 20, 2018 17:45 * words 141 read 76 comments 0 like 0 mongodb version: 4.0 Official website installation tutorial For...
Interpretation of PostgreSQL source code (108) - background process (PGPROC data structure)
PostgreSQL uses the process mode. For each client, it will Fork a background process to respond to the client's request. This section describes ...
[Angular] component communication in Angula6
Angula6? Component communication This paper mainly introduces component communication in Angular6 I. parent child component communication 1.1 parent c...
The gin of golang network framework
golang native http library can easily implement an http server, but for complex web services, such as routing analysis, request parameter analysis, ob...