Programming VIP

Recently, there is a need to crawl the official website information of a logistics company. I saw the official website, which is basically static pages. Unlike that kind of information type, e-commerce type websites have complex results, strict anti climbing, many AJAX, and I am secretly glad that when I further analyzed, I found that they are ...

Preface I'm going to take you through a new way to understand what interface polymorphism is. Many people, including me, feel helpless when they first learn this thing. They can't understand it. They can't understand it. They just know how to write interfaces, and then they won't be useful. I'll show you how to understand the interface through ...

Author: Danny GuoTranslate: Crazy Technology House Original: https://blog.logrocket.com/th... Reproduction is strictly prohibited without permission WebAssembly (Wasm) is a relatively new feature in Web browsers, but it expands the functional potential of using the Web as a service application platform. Learning to use Web Assembly can be a di ...

Open Project Open the ASP.NET Core application in Visual Studio 2019. Add an API controller Right-click the item and add a new folder named Api.Then, right-click the folder and select Add > New Scaffolded Item.Use the Entity Framework to select the API Controller with actions.Now select an existing model class and click Add. View generated ...

1. configuration: 1.1 add permissions and FileProvider in Android manifest.xml: -------------------------------------------------------------------------------------------------------------------- <uses-permission android:name="android.permission.INTERNET"/> <uses-permission android:name="android.permission.READ_EX ...

Catalog 1.http transfer request header parameters 2. Processing of request.data parameter in flask 3. request.json parameter in flask 4. session management in flask 5. Template syntax in flask (if,for syntax data processing) 6. Template syntax in flask (custom function method) ...

There are many scenarios that used JSON before, but they haven't been studied carefully. In recent days, I took advantage of a requirement to sort out the relevant usage. I. JSON.stringify() 1. Syntax JSON. Stringify (value [, replace [, space]]) 2. Let's talk about the next two optional parameters   space: it is a blank string for specify ...

RocketMQ local cluster configuration More complete configuration parameters reference Modify the default port of NameServer to reach the local cluster configuration Create a new configuration file conf/namesrv.properties in the conf directory. The file content is: listenPort=2058 Use mqnamesrv - C.. / conf / namesrv.propert ...

Compared with lightweight application servers or virtual hosts, Alibaba cloud ECS cloud servers need higher technical capabilities. Users can use AMH panel or pagoda and other panels to make Web projects simpler. Yuntun store shares the complete pseudo-static rules of AMH host panel: Complete pseudo static rules of AMH host panel Pseudo static ...

I. Prometheus installation and configuration 1. Download and unzip the installation package cd /usr/local/src/ export VER="2.13.1" wget https://github.com/prometheus/prometheus/releases/download/v${VER}/prometheus-${VER}.linux-amd64.tar.gz mkdir -p /data0/prometheus groupadd prometheus useradd -g prometheus prometheus -d /data0/prometheus ...