Use XMLHttpRequest to read and manipulate svg graphs in vue (control dom flickering)

<template> <div class=”this_bk”> <div id=”svgTemplate” ref=”svg”></div> </div> </template> <script> import wftSvg from “@/assets/svg/xxmap.svg”; export default { data() { return { svgDom: null, allDom: null, } }, created() { this. getSvg(); }, mounted() { // svg mouse scroll event window[‘havcZooming’] = (e) => { console.log(e, ‘havcZooming—–>>>’) this. zoomimg(); } }, methods: { getSvg() { let _this […]

Python’s various network request libraries urllib3 requests aiohttp request http and https efficiency comparison, multi-threading, gevent, asyncio comparison, super large thread pool, 2n + 1 thread pool comparison…

The three purposes of this article are not to go astray by just obsessing with concepts. Some people think that there is a set of concepts, but in fact it is not what they think. This article uses various network request libraries, various concurrency modes, and thread pools of various sizes to test 50,000 requests […]

1. Receive an HTTP message

This article explains how to use Winsock2 to receive an HTTP message from a browser and echo it. The core content of the TCP/IP protocol is encapsulated in the operating system. When programmers want to use the TCP/IP protocol to realize their own functions, they can only realize it through the interface provided by the […]

OpenFeign calls microservices to use RequestInterceptor or @RequestHeader to pass http request header information

Records: 391 Scenario: When calling the microservice Restful interface based on Spring Cloud OpenFeign, the request header is passed from service A to service B. You can use the RequestInterceptor interface or @RequestHeader annotation to pass the request header information. Version: JDK 1.8, SpringBoot 2.6.3, springCloud 2021.0.1 1. Use RequestInterceptor to pass request header information […]

Use HttpServletRequest or RequestContextHolder or @RequestHeader to get http request header information

Records: 392 Scenario: To obtain HTTP request header information in microservices, you can inject HttpServletRequest into the code; you can use Spring’s RequestContextHolder, and you can use the @RequestHeader annotation. Version: JDK 1.8, SpringBoot 2.6.3, springCloud 2021.0.1 1. Use HttpServletRequest to get request header information 1.1 Get the request header at the Controller layer of […]

Java high-performance http request tool package

import lombok.extern.slf4j.Slf4j; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.NameValuePair; import org.apache.http.client.config.RequestConfig; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.CloseableHttpResponse; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost; import org.apache.http.client.utils.URIBuilder; import org.apache.http.entity.ContentType; import org.apache.http.entity.StringEntity; import org.apache.http.entity.mime.MultipartEntityBuilder; import org.apache.http.entity.mime.content.FileBody; import org.apache.http.entity.mime.content.StringBody; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClients; import org.apache.http.impl.conn.PoolingHttpClientConnectionManager; import org.apache.http.message.BasicNameValuePair; import org.apache.http.util.EntityUtils; import; import java.math.BigDecimal; import; import java.nio.charset.StandardCharsets; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import […]

When using HttpClient (setting the maximum timeout response time) in Winform to call the interface and do business processing, the interface is stuck, and the async task await is used for asynchronous task programming optimization

Scene How to use HttpClient in Winform to call the get and post interfaces of http and parse the json data returned by the interface into entity classes: How to use HttpClient in Winform to call the get and post interfaces of http and parse the json data returned by the interface into entity classes_winform […]