Use form create to dynamically generate vue components, supporting json format
[github] | [description document] Example let rule = [ { type:'row', children:[ { type:'i-col', props:{ span:12 }, children:[ form...
Troubleshooting of Oracle with high resource consumption but execution = 0
During the daily inspection of a customer's production environment database, it was found that the AWR report had a high resource consumption but...
05 "filter to solve the Chinese scrambling of the request (inherited from HttpServletRequestWrapper)
1) create a new EncodingFilter Create a new filter for all requests in the past. The decoding method used to process the request parameters is UTF-8,...
Implementation of paging query in weUI
This paper introduces the implementation of h5 paging query in mobile terminal 1. front end html Front end implementation based on weui style library ...
layui-v2.4.5 compatibility tuning
It has been written in the community of layui, but the community editor is really not good. Write it again here, just to consolidate it table.js Descr...
Nginx learning notes virtual machine host
Virtual host web service publishing needs to meet three preconditions: IP, PORT and domain name; A web server can only publish one web by default; In...
Scala: tuples, arrays, maps
Tuple: tuple, aggregation of values of different types.Combine a fixed number of items so that they can be passed as a whole. Unlike arrays or lists, ...
Two way binding with Proxy
We need to use Proxy to implement two-way binding in vue3.0, so let's try to implement it first. 1 implementation of object.definepropertyThe ori...
PHP sends requests to other servers through curl and returns data
In many cases, we need to request the third-party server to obtain some data, such as token, such as Baidu's active push, so how does our php rea...
Common code set
I. jquery returns to the top $("html , body").animate(,'slow'); Second, jQuery judges the sliding direction of the mobile screen ...
Practical encryption module of python
Note 1: MD5, SHA1, SHA256, SHA512 encryption The encryption of these hash algorithms is supported in the built-in module hashlib of python.This part o...
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...
vue wechat sharing (actual battle)
Today, I met the demand of wechat sharing. Generally speaking, it's relatively simple, but I still met a hypothetical pit (really hypothetical) a...
Detailed explanation of the latest wechat domain name detection technology
Now the number of users of wechat has ranked first in all communication apps, and wechat has become one of the largest mobile traffic platforms in Chi...
Vue element UI vuex for skin switch
1. install sass npm install --save-dev sass-loader npm install --save-dev node-sass 2. Add configuration in the rules of webpack.base.conf.js under t...
[reprint] C ා tool class: Csv file conversion class
csv is a comma separated value format file that stores table data (numbers and text) in plain text. A csv file consists of any number of records separ...
Saltstack user guide 03 configuration management
1. Host planning Matters needing attention If the configuration file of master or minion is modified, the corresponding service must be restarted. 2....
React form element
Let's talk about the form elements of react today.Controlled elementLet's see how to get the value of the input box import React, { Componen...
A quick start to the tutorial 1 of beautiful soup, a python data extraction tool
brief introduction Picture.png Beautiful Soup is a library that can easily grab information from a web page. It is located at the top of an HTML or X...
PostgreSQL remote link server configuration
PostgreSQL server needs to be configured to be remotely linked by users Profile:pg_hba.conf controls access security and manages the access rights of ...
Toolbar used in android Fragment
Can be used directly in Activity setSupportActionBar(toolbar); You can override the onCreateOptionsMenu and onoptionsiteselected methods; But in Fragm...
The meaning and implementation of virtual DOM
This article comes from "An essay on the meaning and implementation of virtual DOM" , if you think it's good, welcome to Star Github wa...
Gracefully register events in the React component
Preface In the development of React, we often need to register some events on the window, such as pressing Esc to close the pop-up window, pressing up...
Summary of Handlebars, a front-end template engine
I. escape of Handlebars template 1. template Escape, output HTML string when {}} is used When {{}}} is used, html is output without escaping (identif...
update and updateByQuery methods for elasticsearch in PHP
When using ES, we often encounter the situation of updating data, Here is a brief introduction: First, the most common and efficient method is to upd...
Realization of Js rotary lottery
Samples Address: http://js.zhumimi.cn/zhujiang/index.htm Source code: https://pan.baidu.com/s/15khesfclf1wmoom6pzcja II. Implementation method 1: buil...
cv2 window resizable and scaleable
import cv2 videoCapture = cv2.VideoCapture('test.mp4') cv2.namedWindow('name', cv2.WINDOW_NORMAL | cv2.WINDOW_KEEPRATIO) while Tr...
mybatis automatically fills in the time field
For the created ﹣ on and updated ﹣ on entities, it is unnecessary for developers to intervene, because it is enough to explain the use scenario, that ...
ES6 Foundation - ES6 class
Author| Jeskson Source|Dada Front End Bistro ES - Class Classes and Object Oriented: Object-oriented, that is, everything is object. Object-oriented ...
Brush the front end of the book
1. The following recursive functions are at risk of stack overflow. How to optimize them? function factorial(n){ return n*factorial(n-1) } Answer: fun...