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The following are the summary of MOOC online courses https://www.imooc.com/video/3179 eg1: element attribute value with px // Think about whether you can use the binomial operator to say a sentence directly function getStyle(obj, attr) { // IE if (obj.currentStyle) { ret ...

The common communication mode between Web client and server based on Ajax (http) is divided into short connection and long polling. Short connection: every time the client and the server perform HTTP operation, they establish a connection, and the connection will be interrupted when the task ends. In the long polling mechanism, the client reque ...

1 Overview Http request is essential in server development. In this paper, RestTemplate is used as the facade and HttpClient is used as the implementation to demonstrate the basic Http request example. 2 source code analysis 2.1 add pom.xml dependency RestTemplate is built in the spring web module, and spring boot is introduced automatically ...

This time, we mainly use: jquery+angularjs+bootstrap to achieve paging effect Test tool: HBuilder First of all, we need to analyze the principle of Baidu paging. Here is my screenshot of paging First, create a project, create a page, and add json data Import corresponding js and cs Start writing First, import js and ...

ajax: function ajax(opt) { //Intercession path var url; if(opt.url){ url = opt.url; }else{ console.log('Please enter the request path'); } //Request type var type = opt.type || 'GET'; //Callback function var callback = opt.callback || function (msg) { }; //Request data ...

This is the case: //Convert java object to json string and put it into session String jsonMenu =JSONObject.fromObject(sysMenu).toString(); session.setAttribute("sysMenu",jsonMenu ); Then the foreground gets the json object from the session and binds the data to the corresponding container. However, it is suddenly found that t ...

Install the geolocation plug-in and execute the following command npm install --save @ionic-native/geolocation Declare the geolocation plug-in in app.module.ts import { Geolocation } from '@ionic-native/geolocation'; @NgModule({ providers: [ { provide: ErrorHandler, useClass: IonicErrorHandler }, Geolocation ...

It is suitable for docking, such as crowd, enterprise, e-commerce website, WeChat public number platform, which involves regular delivery and express delivery. Support more than 300 domestic and foreign express delivery and logistics companies' express bill number one-stop query. instructions: 1. Kuadidi api.php doesn't need ...

background Business Split creates a new project that wants to reference a new technology stack (using the springcloud family bucket, temporarily unable to upgrade to springboot 2.0 for project reasons, so feign is used here for rpc), but it still uses the previous RPC interface (the original RPC framework is thrift) Problem occurs when there ...

In this tutorial, you'll learn how to configure and dynamically update the access control list (ACL) of the Hyperledger Fabric block chain.The tutorial is divided into two parts: 1. Understanding and configuring the access control list for Hyperledger Fabric 2. Dynamically updating the access control list in the channel configuration.We will in ...