Programmer Group

[eye] 1. A way to start Spring BootService startup class package com.npc.rest; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.context.annotation.ImportResource; /** * Frozen * 2020-1-29 */ /** * Previously, users used three annotations to ...

In web development, the separation of front and back development has been deeply rooted in the hearts of the people. Such a development mode is very useful for the development of elegant and beautiful web applications. I have consulted some materials on the Internet and learned to use the unified format ...

Vertical centering is a common topic in CSS and is often mentioned during interviews.So today, let's talk about nine different ways of centering. Common flex, transform, absolute, and so on.There are also grid layouts for CSS3.There are also pseudo element methods, yes, you can read them correctly:: after and:: before can also achieve centerin ...

Elements of inline or inline-* are vertically centeredThe properties padding, line-height, vertical-align can be used.There are two specific scenarios: One line vertically centered, such as a single line of text or a link In this case, vertical centering can be achieved by adding a padding value of the same size above and below the element. ...

In recent demand, Android app calls remote webservice and checks it on the Internet. In general, it uses ksoap2 for a try. At first, it is not successful. Then it uses axis used in web development last year for reference. Finally, it returns to ksoap2. After several attempts, it is finally successful. The share is as follows: ...

Export PDF graphic report practice Method 1: jsPDF When using jsPDF, it should be noted that its default unit is mm, and configuration needs to be passed in when new jsPDF() const doc = new jsPDF({ unit: 'px', format: 'a4' }) This method is useless. This ghost has multiple lines of text and multiple pictures. It's killing! Method 2: w ...

Recently, the stock market of a factory has fallen sharply. It's really green, so there are all kinds of jokes As expected, what's red and green is the eternal topic. The stock market is as deep as the sea In the web development related to financial companies, it is a common demand to show the up and d ...

Based on Express, Mocha + Istanbul 1. Unit Test 1.1 Install Mocha npm i -D mocha 1.2 Create test/test.js var assert = require('assert'); describe('Array', function() { describe('#indexOf()', function() { it('should return -1 when the value is not present', function() { assert.equal([1,2,3].indexOf(4), -1); }) ...

Introduction to web application Web applications are everywhere in our lives. Take a look at the applications we use every day. They need to It's either a Web application or a variation of a Web application like a mobile App. No matter which programming language, as long as It can develop software that interacts with human beings, and it will c ...

Introduction to jQuery brief introduction jQuery is a cross browser, fast and concise JavaScript framework The purpose of jQuery design is "write Less, Do More", that is, to advocate writing less code and doing more things jQuery encapsulates common JavaScript function codes, provides a simple JavaScript Design p ...