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Objective-c - How to obtain the socket-DNS time-consuming and socket-tcp time-consuming of the socket in ios

Recently, I have been developing new requirements. I need to obtain the socket-DNS time-consuming and socket-tcp time-consuming of the socket. I don’t have any ideas, so I came here to ask.

天蓬老師 2017-05-02 09:30:44 0  0  847

python - How to display the information sent by socket in the browser

The socket server built with the socket module, for example, listens to the local port 4399. I use a browser to connect, but the characters sent from the socket cannot be displayed. How to do this?

淡淡煙草味 2017-05-18 10:56:56 0  2  1041

objective-c - Is HTTP in OC based on socket?

Is HTTP in OC based on socket?

淡淡煙草味 2017-05-02 09:34:07 0  5  863

objective-c - After the app connects to the device through a socket, the device switches channels. Will the socket be disconnected at this time?

After the app connects to the device through a socket, TCP communication is performed, and the device switches channels. Will the socket be disconnected at this time?

天蓬老師 2017-05-02 09:34:51 0  1  1045

PHP socket problem, I don't know why I have to enter the command line on my own computer to run this socket, but not other computers.

There is a problem with php socket. I don’t know why I have to enter the command line on my own computer to run this socket, but not on other computers. Who has time to help?

為情所困 2017-05-16 13:10:25 0  1  524

How does python socket receive data in tcp/ip byte format?

How does python socket receive data in tcp/ip byte format? The following can only receive plain text {code...}

迷茫 2017-05-18 11:00:53 0  1  978

Can PHP control communication with IoT devices through Socket?

After searching on the Internet, I saw that there are many Socket-related functions in PHP. The usage process is: socket_createsocket_bindsocket_listensocket_acceptsocket_readsocket_writesocket_close. However, the most unclear thing is the socket_accept step. To pass...

高洛峰 2017-05-16 13:11:41 0  5  772

python3.x - Python3 socket sendall appears 10057

When I was learning python to make a small example of socket, I found that as long as sendall is used, the following problems will occur. server_demo: {code...} client_demo: {code...} After searching many solutions, I tried to turn off the firewall. But it still didn't work.

怪我咯 2017-06-28 09:24:18 0  1  1053

php - Why is the socket connection reset?

Write your own http server, the server listens to the socket, and the handle_request thread processes the browser PHP dynamic request. {Code...} After communicating with php-fpm in handle_request, the execution result msg is obtained. msg contains two lines of http response Headers, blank lines, and...

某草草 2017-05-16 13:00:37 0  1  638

There are two communication methods between nginx and php-fpm. One is TCP and the other is unix socket. Which one is better?

Reading other people's blogs, it seems that Unix socket is not so stable.

我想大聲告訴你 2017-06-29 10:08:43 0  2  1035

socket - Issues with Nginx TCP proxy

The device uses port 1883 to forward to the backend server through nginx's TCP/UDP proxy. The backend server checks the device's socket IP. It is the IP of the proxy server, not the actual IP of the device. How to implement a transparent proxy and let the nginx proxy forward the actual IP of the dev...

阿神 2017-05-16 17:12:03 0  1  790

c++ - Socket (TCP) using recv to receive data blocking problem?

Generally speaking: socket (TCP) uses recv to receive data. If there is no data in the kernel cache, it will block. If the TCP connection is not disconnected, but the other party never sends data, will the recv function call block the program forever?

扔個三星炸死你 2017-06-10 09:48:28 0  2  1815

java - Due to the long query sql, the Socket was closed. How to solve the problem without changing the sql?

Caused by: org.postgresql.util.PSQLException: An I/O error occurred while sending to the backend. {代碼...} Caused by: java.net.SocketException: Socket Closed {代碼...}

怪我咯 2017-05-17 10:02:28 0  1  1438

node.js - npm install reports an error tunneling socket could not be established. Please help.

I downloaded a project on github, but when installing npm install, it could not be installed. Error: tunneling socket could not be established, cause=getaddrinfo ENOTFOUND ... ...:80 reported this error npm ERR! Windows_NT 10.0.14393npm ERR ...

PHPz 2017-05-16 13:34:08 0  2  1128

How to invalidate all Redux RTK queries when sending special events (socket IO messages)?

I want to synchronize a SPAReact application for all users (multiple tabs, multiple users). I wrote a simple react hook that listens to a specific socket IO message and updates a state variable based on a message called useGetAllEmployeesQuery: import{useEffect,useState}from'react'exportfunctionuseR...

P粉555682718 2024-01-29 09:44:25 0  1  675

php - The browser fails to access the socket server program as a client?

It is normal to write a socket client program to access it. It is also normal to use telent to access it. However, when the browser accesses it as a client, it directly reports an error and does not enter the while loop at all. Why is this? The browser accesses the 127.0.0.1:8899 server program dire...

世界只因有你 2017-05-16 13:03:22 0  1  591

nginx - How to make the server proactively notify the socket client after receiving http data?

It's like this. I want to operate a smart light bulb. This is how I currently do it. I operate it on the web page, and then submit the data to the database through http. A client initiates a socket connection and connects to the server. The server is Fetch data from the database to the client in an ...

PHP中文網(wǎng) 2017-05-16 17:06:59 0  3  744

linux - Language standard library and its dependencies

The socket library is part of the Ruby standard library. Similar to libraries such as openssl, zlib and curses, the socket library has a thin binding relationship with the C language library it depends on. The socket library has been very stable in multiple Ruby releases...

世界只因有你 2017-05-16 13:33:58 0  1  664

How to better handle data synchronization between PHP and C++?

Such as message queue?socket?

為情所困 2017-05-16 12:58:49 0  1  429

Objective-c - How should delegateQueue in GCDAsyncSocket handle callbacks if it does not want to use the main thread?

[Problem] I am using GCDAsyncSocket for Tcp Socket processing. If it is in the main program, I can handle the callback of the result normally, but I want to encapsulate the Socket processing in a library, and complete the Socket initialization and information reception processing in this library. , ...

阿神 2017-05-02 09:28:01 0  0  582