• “Self test” stay up late to summarize 50 Vue knowledge points, all of which will make you God!!!


    preface Hello everyone, I’m Lin Sanxin. A lot of things have happened these days (I won’t say what’s specific). These things have scared me to treasure my collection these yearsVue knowledge pointsI took out my notes and tried my best to recall them. Finally, I realized these 50Knowledge points(let’s not be too vulgar. It’s not […]

  • Reading papers on fairness of recommendation system (3)


    My main task these days is to debug and run the code written according to the paper learning fair representations for recommendation: a graph based perspective, and then test the effect of the model and record it. The following describes my work in four parts: data set description, model evaluation strategy, super parameter adjustment and […]

  • Killer – explicitly declare the data model in the controller


    In this article, we will study the benefits of explicitly declaring the data model in the controller for our programming, and what we need to pay attention to in this process; Well, no more nonsense. Let’s get to the topic! Knowledge needed to know ng-controllerIs a special instruction that takes the parent scope (typically$rootScopeOr another […]

  • Afnetworking request XML


    preface: HTTP protocol is the most common way for server to communicate data with client. Generally speaking, the data format is JSON and XML. JSON format can be parsed. How to parse XML?——This article is based on afnetworking version 3.2.1 reference material: https://stackoverflow.com/que…https://stackoverflow.com/que…Focus Generally speaking, we instantiate an HTTP requestAFHTTPSessionManagerObject and set some properties: manager […]

  • [basic] novice task, five minutes to fully master jQuery selector


    1. Basic selector 1.1 ID selector: //Select the element with ID mydiv, which is the fastest $(“#myDiv”) Type 1.2 selector: //Select all elements whose class attribute is red $(“.red”) 1.3 element selector: //Select all div elements $(“div”) 1.4 wildcard selector: //Select all elements $(“*”) 1.5 compound selector: //Check all span elements and all elements with […]

  • Mybatis study notes


    1. HelloWorld Import mybatis <dependency> <groupId>org.mybatis.spring.boot</groupId> <artifactId>mybatis-spring-boot-starter</artifactId> <version>1.3.2</version> </dependency> 1.1 profile method Building sqlsessionfactory from XML <?xml version=”1.0″ encoding=”UTF-8″ ?> <!DOCTYPE configuration PUBLIC “-//mybatis.org//DTD Config 3.0//EN” “http://mybatis.org/dtd/mybatis-3-config.dtd”> <configuration> <environments default=”development”> <environment id=”development”> <transactionManager type=”JDBC”/> <dataSource type=”POOLED”> <property name=”driver” value=”com.mysql.jdbc.Driver”/> <property name=”url” value=”jdbc:mysql://”/> <property name=”username” value=”root”/> <property name=”password” value=”123456″/> </dataSource> </environment> </environments> <mappers> <mapper resource=”mapper/employee-mapper.xml”/> </mappers> […]

  • Interface activity drawing display of Android system programming introduction series


    Last articleThe interface is introducedActivityThe startup mode and life cycle of this article will continue to be introduced in the interfaceActivityHow the content in is drawn and displayed to the user. Run the newly created interface on the Android systemActivtiy, the display to the user is blank. Thanks to the powerful template support of Android […]

  • 3、 How to browse prism sample code from GitHub to get started with the 08-12 example of prism MVVM under WPF


    After learning the first two articles on the associated view of the region manager and loading the module samples in different ways, this chapter starts to enter the MVVM. Starting with example 08, we enter the MVVM section. Learn the MVVM idea under prism from the 08 example catalogue Learn the MVVM idea under prism […]

  • Front end things 2 (CSS)


    Flex layout (elastic layout, default spindle, cross axis, flex: 1) Flex layout is an elastic layout. After setting the container to flex layout, float, clear and vertical align will become invalid. By default, the container has two axes (main axis and vertical cross axis), which are arranged along the main axis by default. What are […]

  • Wtforms 2 Chinese introductory course (crash course)


    You snap your fingers and start working on the great Python web application you want to write. After you finish writing some pages, you need to deal with the annoying task: processing and verifying form input. Enter (start) wtforms But why do I need itthe other oneWhat about the frame? Well, some web application frameworks […]

  • (summary) what the project learned after changing the UI component library: there are 21 problem types


    (summary) what the project learned after changing the UI component library: there are 21 problem types introduce The reason for writing this article is that the author experienced a replacement of the overall UI component library of the project not long ago. I thought that replacing the UI component library was just to change the […]

  • Manipulating extended properties of files in PHP


    In the files of the operating system, there is also a file attribute that we can define ourselves. These attributes are not stored in the file content, nor can they be seen directly through LS – al. They can permanently associate a key value pair information to a file. Generally, current Linux systems support this […]