return the request header with r.request.header and find that it is different from the message I sent. I don t know what s wrong? import requests url = https: investment.my089.com credit index def get_1month(): headers = { A...

give an example, the local client accesses the remote mysql server 3306 port. requires access to remote port 3306. my question is: does the network of the local client need to apply? Local access to remote port 3306, which port is used by the local...

win10ftpftp: 192.169.5..., ftp...

IP forwarding is enabled for server deployment pptp,iptables. after the completion of the dial-up connection of other computers, the first two are normal, but it is found that the computers connected behind cannot access the external network. I am a r...

as shown in the figure: there are two PC, with IP beginning with 10 (hereinafter referred to as 10PC) and one with IP starting with 192 (hereinafter referred to as 192PC). there are three servers, all with 10 IP, one of which has 192IP. the curr...

The UDP header does not contain any information that does not exist in the TCP header. In this case, why, as a programmer, must specify header information (port and IP address) when sending UDP packets, but not when sending a TCP packet? ...

function connect() { var socket = new SockJS( socket ); stompClient = Stomp.over(socket); stompClient.connect({}, function (frame) { setConnected(true); }); console.log("...

I just started to learn about machine learning. When I tried to do some small things, I found that there was only one feature entered in the pytorch content on the Internet, which may be because my keywords were wrong. If I want to use pytorch to create...

how does RT, understand that the TCP IP protocol is data flow oriented and the UDP protocol is Datagram oriented? ...

I want to train a neural network to generate music, but I can t install python3.6 s python-midi package on windows. I think many open source projects on github are useful for this, but I took a look at python-midi s setup.py, whether it doesn t ...

how to understand this line of code? static void * a = &a; I saw it on the source code of AFN. static void *AFHTTPRequestSerializerObserverContext = &AFHTTPRequestSerializerObserverContext; The AFURLRequestSerialization.h file is used wh...

non-local area network, is there a way to get the mac address of a host? Know ip ...

how to use to control the output of the front power supply on the back of the LAN network port of the fixed-weft psw series 30-36 power supply. Thank you for more details. ...

ADSL technology can make full use of the existing PSTN (Public Switched Telephone Network, public switched telephone network). As long as ADSL equipment is installed at both ends of the line, it can provide users with high broadband services without rew...

static dns, which has been used before, has been well used. Yesterday, I suddenly found that I couldn t parse, but I could ping. and setting it to dynamic acquisition can connect to the Internet normally. Why is this the case? is it a local problem o...

now the company uniformly uses wireless Internet access (a wireless network card is plugged into the desktop), but there is a cabin where there is no wireless signal. I have a wireless router (tp-link) on hand. Because of the problem of sharing the prin...

the company network cannot access ...

ask a question about the connection of linux hosts. There are three hosts in the intranet, An and B can ping each other, C cannot ping A, C can ping B, where An and B are wired connections to the Internet, the ip is 10.12.41.44 and 10.12.41.151 respec...

here is a description of the sentence: https: gss0.baidu.com 94o3dS. it says above that all ports of HUB and SWITCH are in a broadcast domain, and each port on the router forms its own broadcast domain. I can understand the description of HUB and r...

NIO is suitable for architectures with a large number of connections and short connections (light operation), such as chat servers, and concurrency is limited to applications AIO is used in architectures with a large number of connections and long con...