Filter and Listener related learning notes

Filter: filter concept When accessing the resources of the server, the filter can intercept the request and complete some special functions. Generally used to complete general operations. (such as login authentication, unified encoding, sensitive character filtering...) step Define a class to imp ...

Posted by RClapham on Fri, 12 Jun 2020 22:09:52 -0700

Ordering system - buyer side - order

Article catalog DAO layer design Service layer design Controller layer design DAO layer design 1. Write two entity classes, OrderMaster and OrderDetail. Because it involves the update of the order modification time, add the annotation @ DynamicUpdate, that is, modify the time data during the upd ...

Posted by joshmaker on Fri, 12 Jun 2020 21:32:50 -0700

Data insight | Python interpretation stall - do you want to set up a stall to sell anything?

I know there is a problem: after the epidemic, what is the most thing you want to do? Many people study python and don't know where to start.Many people learn python, master the basic syntax, do not know where to find cases to start. Many people who have already done cases do not know how to learn m ...

Posted by titel on Fri, 12 Jun 2020 02:21:10 -0700

Some problems of writing interface with mongoose to swagger

Before there was a project, the leader said that I used mongoose to swagger to write down the back-end interface. Although I had not written the back-end interface before, I wanted to have colleagues and accepted the work happily. First to ask colleagues, and then... Have not used; so Baidu to see if there is a relevant tutorial 😭 , well, it's ...

Posted by Gorillas on Thu, 11 Jun 2020 22:56:59 -0700

Vue video player Vue video plug in

introduce vue video player is the vue version of videojs video.js Official website: https://videojs.com/ Refer to the official website: Video.js Is a web video player built from scratch for the HTML5 world. It supports HTML5 video and modern streaming formats, and it supports video playback on desktop ...

Posted by chiprivers on Thu, 11 Jun 2020 21:27:52 -0700

Summary of usage of meta tags in HTML5

< meta > tags in front-end interfaces of major websites on June 11, 2020 The meet object represents an element of HTML and provides meta information of HTML elements, such as description, keyword, refresh rate. Object properties: Content sets or returns the content attribute of an element h ...

Posted by nova912 on Wed, 10 Jun 2020 23:28:36 -0700

python crawling Douban short film review + CI Yun

1, requests+lxml non login crawling Douban data 1. First, open Douban and find the url of the short movie review you want to crawl, for example:2. Open the developer tools in the web page, and most computers can press F12 directly, but there are also differences. For example, ThinkPad uses Fn+F12 to open, find the network in the page - > cli ...

Posted by jpopuk on Tue, 09 Jun 2020 22:25:09 -0700

vlayout principle of Android Tangram dynamic page

This series of articles mainly introduces the open source Tangram Experience and principle of using framework, because Tangram bottom layer is based on vlayout The series will be introduced according to the following outline: Demand background Tangram and vlayout introduction Use of Tangram vlayout principle Tangram principle Tangram secondary ...

Posted by X74SY on Sun, 07 Jun 2020 02:41:16 -0700

When there are multiple classes in appium+python, it is not necessary to initialize the driver solution every time

When appium+python writes automated test cases, it is very common to divide them into different classes for the sake of code maintainability, But at runtime, each class needs to be initialized on ...

Posted by WorldBizEduComputerShops on Sun, 07 Jun 2020 02:35:36 -0700

E chat SDK introduction: compiling instant messaging backend projects from source

2. Introduction to mobile rear end: E chat SDK provides a basic back-end community version source code. By compiling / modifying the back-end source code, you can achieve deeper business customization, such as file upload / download, online / offline monitoring, API permission function, cluster function, etc. The backend project uses springboot ...

Posted by aaadee on Sun, 07 Jun 2020 02:25:40 -0700