Tag:element

  • HTML related knowledge

    Time:2020-6-6

    DOCTYPE and its function The <! DOCTYPE > declaration is not an HTML tag; it is used to indicate to the browser which HTML version the page is written in.DOCTYPE is used to declare document types and DTD specifications. One of the main uses is to verify the validity of files. HTML version: HTML5: <!DOCTYPE […]

  • Illustration Tomcat server.xml Configuration structure

    Time:2020-6-6

    Sort out Tomcat server.xml The element concept and functional relationship of the configuration file, Server is the root element of the entire configuration. Service is a combination of connector and engine. It is equivalent to a package. More than one. Executor thread pool is mainly provided for connector. It can be shared in various components. […]

  • CSS3’s transform attribute and matrix

    Time:2020-6-6

    About transform Transform is a new attribute of control element transformation added in CSS3 (in fact, it has become W3C standard as early as svg1.1 standard in 2003, and can be used as an attribute of an element). It can be used to realize the displacement, scale, rotate and skew of an element. andtransitionProperties can […]

  • Introduction to Python 13 — higher order functions

    Time:2020-6-6

    1、 Definition Pass function as parameter #Example: Square #Law 1: General def func(x): return x**2 print(func(2)) # 4 #Method 2: higher order function def func1(x,f): return f(x) print(func1(2,func)) # 4 IIBuilt in higher order function map(function,list) The function passed in acts on the list’severy lastIn variables list1 = [1, 2, 5, 9] def func1(x): return […]

  • Assertion, log, packing type and tool class of Java core technology Part 6

    Time:2020-6-6

    New features of JDK1.5:1. automatic box disassembly2. Generics3. Variable parameters4. Static import5. Enhance for loop6. Mutually exclusive lock7. Enumeration8. Notes New features of JDK1.6: 1. Desktop class and systemtray class2. Use jaxb2 to realize the mapping between objects and XML 3.StAX4. Use compiler API5. Lightweight HTTP server API6. Pluggable annotation processing API7. Develop console program […]

  • How to add uiblureffect uiblureffectview swift

    Time:2020-6-5

    How to add uiblureffect uiblureffectview swift Use process 1. UIBlurEffect Create a new one firstUIBlurEffectobject let blurEffect = UIBlurEffect(style: .light) 2. UIBlurEffectView Create a new oneUIBlurEffectViewTo put in full playBlurEffcteffect let blurView = UIVisualEffectView(effect: blurEffect) blurView.frame =Rect // define the frame of this blur view 3. Add view Finally, as oneViewThe son ofsubViewElement inserted to […]

  • Front end interview update on March 15, 2020

    Time:2020-6-5

    Today’s knowledge points (March 11, 2020) 24. Differences between sessionstorage, localstorage, and cookies 25. What is array map() method 26. Simple understanding of promise 27. Input URL from browser address bar to display page 28. Data transfer from child component to parent component 29. Advantages of web storage over cookies 30. What are the advantages […]

  • Chapter 1: circular list of linear list

    Time:2020-6-5

    circular linked list using System; using System.Collections; using System.Collections.Generic; using System.Text; namespace DataStruct.List { /// <summary> ///Circular list /// </summary> ///< typeparam name = “t” > data type < / typeparam > class CycleLinkList<T> : IList<T>, IEnumerable<T> where T : IComparable<T> { /// <summary> ///Get header node /// </summary> public Node<T> Head { get; } […]

  • Can write Java, not necessarily collections, can you use

    Time:2020-6-5

    This is the fourth part of the series. It’s not easy. It’s still on track. Today, I’ll write about collections. This is the official Java tool class for collection classes. It’s also a cutting edge in development. It can help us solve many problems in development. But there are still many people who don’t know […]

  • HTML & CSS: the things you can’t do without building a website

    Time:2020-6-5

    I’m glad you can see this column! As the saying goes, it’s fate to meet. Maybe you and I have looked back 500 times in the last life to get this side. It’s a little disgusting. Let’s go back to the book and talk about this column. This column is mainly about html and CSS […]

  • Local element inner scrolling of IOS

    Time:2020-6-5

    Unexpected slip Sliding is such a simple action for the mobile terminal. It’s like a rolling mouse on a PC. you can make a big thing by moving a finger. Emmmm, the pattern Tucson is broken. I thought it was the same before I did it, but when I met it, it was called a […]

  • Data structure and algorithm (implemented by golang) (20) sorting algorithm – selective sorting

    Time:2020-6-5

    Select sort Selection sorting generally refers to simple selection sorting or direct selection sorting. It does not exchange elements adjacent to each other like bubble sorting, but only needs to exchange once per iteration by selecting the smallest element. Although the number of exchanges is much less than bubbling, the efficiency is as bad as […]