Tag:Transmit data

  • The parameter type of livebos WebService is list array

    Time:2020-10-9

    Yesterday, soap was used to transfer data to WebService. The string type data has been successfully transmitted, but several parameters failed to be transmitted. The java server received a null value. Because I am PHP, and then the receiver is made by Java, and several parameters are of the list array type. I just started […]

  • Re learning react — context / reducer

    Time:2020-9-28

    1. Context concept Context is also the context, which is convenient for sub level components to share data. Just look at chestnuts //Create a context const context = React.createContext({count:0,add:function(){}}); //Data provided by const Provider = context.Provider; //Consumer: using data const Consumer = context.Consumer; const Child = (props: any) => { return <div> <span>{props.count}</span> <button onClick={props.add}>add</button> […]

  • Timeout problem in [PHP] socket client

    Time:2020-9-24

    Connection socket is divided into connection timeout and read timeout $sock=stream_ socket_ client(” www.google.com : 80 “, $errno, $errstr, 2); that number is the connection timeout. For example, if you connect to Google, an error will be returned in 2 seconds, so that you won’t be waiting there all the time stream_ set_ Timeout ($sock, […]

  • Http / 1. X http / 2 http / 3 feature

    Time:2020-2-29

    To summarize http First, http / 1.1: Http / 1.1 since its release in 1997, we have been using HTTP / 1. X for quite a long time. However, with the explosive development of the Internet in the past decade, from the original web content dominated by text to the current rich media (such as […]

  • Android jsbridge source code learning

    Time:2020-2-19

    Android jsbridge source code learning As we all know, WebView under Android 4.2 has the problem of addjavascriptinterface vulnerability. For those who don’t know much, please refer toSolution to addJavascriptInterface vulnerability of WebView under [email protected] a result, it is used early in company projectsJsBridgeImplement “JS and native communication”. Communication principle of native and JS When […]

  • Redis simulates jedis operation string type data

    Time:2020-2-7

      1、 Thinking analysis The data transmission of redis follows the resp protocol. You only need to transfer the data to the redis server through the socket according to the resp protocol   Resp data format:         2、 Specific implementation package com.ahd.jedis; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.net.Socket; /*** *Simulate […]

  • Vue project deployment to nginx server data collection

    Time:2020-1-22

    Under centos7, install nginx (1.16.1) https://blog.csdn.net/xiongza Deployment practice of Vue project under nginxhttps://www.cnblogs.com/fengy… Nginx reports 502 errors, log connect() failed (111: connection rejected) while connecting to upstreamhttps://blog.csdn.net/hithedy… Nginx proxy ﹐ buffer ﹐ size solves the problem of too much data transmitted by back-end services, which is actually the problem of too large headerhttps://blog.csdn.net/dream_f…

  • Request and log analysis in scrapy

    Time:2020-1-13

    Scrapy.http.Request Automatic de duplication, according to the hash value of the URL, de duplication   attribute Meta (dict) transfers data between different requests, Dict Priority (int) the priority of this request (0 by default) Don? Filter (Boolean) turn off automatic de duplication Errback (callable) the function that will be called when any exception is thrown […]

  • FTP modify master passive mode command

    Time:2019-12-20

    FTP has two data connection modes, active mode and passive mode. Port (active): the client sends a connection request to the FTP port of the server (default is 21). The server accepts the connection and establishes a command link. When the data needs to be transmitted, the client uses the port command on the command […]

  • Ftp Modify Active and Passive Mode Command

    Time:2019-10-14

    FTP has two data connection modes, active mode and passive mode. PORT (active) mode: client sends connection request to FTP port of server (default is 21), server accepts connection and establishes a command link. When data needs to be transmitted, the client tells the server on the command link with the PORT command: “I opened […]