This question already has answers here: What is the fundamental difference between WebSockets and pure TCP? (4 answers) Closed 3 years ago. Trying to understand as best as I can the differences between TCP socket and websocket, I’ve already found a lot of useful information within these questions: fundamental difference between websockets and pure TCP … Read more
I’m trying to play with inter-process communication and since I could not figure out how to use named pipes under Windows I thought I’ll use network sockets. Everything happens locally. The server is able to launch slaves in a separate process and listens on some port. The slaves do their work and submit the result … Read more
Assuming the following is defined in …/hosts: 127.0.0.1 localhost What, if any, are the actual differences between using 127.0.0.1 and localhost as the server name, especially when hitting processes running locally that are listening for connections? 5 Answers 5
I am working with a commercial application which is throwing a SocketException with the message, An existing connection was forcibly closed by the remote host This happens with a socket connection between client and server. The connection is alive and well, and heaps of data is being transferred, but it then becomes disconnected out of … Read more
I want to start a server which listen to a port. I can specify port explicitly and it works. But I would like to find a port in an automatic way. In this respect I have two questions. In which range of port numbers should I search for? (I used ports 12345, 12346, and 12347 … Read more
3 questions: What is the difference between connection and read timeout for sockets? What does connection timeout set to “infinity” mean? In what situation can it remain in an infinitive loop? and what can trigger that the infinity-loop dies? What does read timeout set to “infinity” mean? In what situation can it remain in an … Read more
I’ve read a number of articles about UDP packet sizes but have been unable to come to a conclusion on whats correct. A number of services restrict the largest UDP packet to 512 bytes (like dns) Given the minimum MTU on the internet is 576 , and the size of the IPv4 header is 20 … Read more
What is the difference between AF_INET and PF_INET in socket programming? I’m confused between using AF_INET and PF_INET in socket() and bind(). Also, how to give ip-address in sin_addr field? 7 Answers 7
What is the difference between read() and recv(), and between send() and write() in socket programming in terms of performances, speed and other behaviors? 9 Answers 9
While starting mysql server 5.7.17 using mysqld_safe, following error occcours. 2017-02-10T17:05:44.870970Z mysqld_safe Logging to ‘/var/log/mysql/error.log’. 2017-02-10T17:05:44.872874Z mysqld_safe Logging to ‘/var/log/mysql/error.log’. 2017-02-10T17:05:44.874547Z mysqld_safe Directory ‘/var/run/mysqld’ for UNIX socket file don’t exists. How to fix it ? 6 Answers 6
