大约有 714 项符合查询结果（耗时：0.0298秒） [XML]
Message Queue vs Message Bus — what are the differences?
...ssage bus providers efficiently choose to implement this as UDP instead of TCP. For topic's the message delivery is 'fire-and-forget' - if no one listens, the message just disappears. If that's not what you want, you can use 'durable subscriptions'.
A message queue is a 1-to-1 destination of message...
Java Byte Array to String to Byte Array
...d raw bytes from a socket's InputStream if you want to obtain bytes from a TCP connection.
If you have already read those bytes as a String (using an InputStreamReader), then, the string can be converted to bytes using the getBytes() function. Be sure to pass in your desired character set to both ...
ETag vs Header Expires
...dd extra bytes in your headers which may increase packets which means more TCP overhead. Again, you should see if the overhead of having both things in your headers is necessary or will it just add extra weight in your requests which reduces performance.
You can read more about it on this excellent...
ERROR 2006 (HY000): MySQL server has gone away
...ve "SHOW VARIABLES LIKE 'max_allowed_packet'"
You got a timeout from the TCP/IP connection on the client side.
Solution: Increase wait_timeout variable.
You tried to run a query after the connection to the server has been closed.
Solution: A logic error in the application should be corrected.
Ho...
What is a web service endpoint?
...point. So, in general endpoints are predefined access points, used within TCP/IP networks to initiate a process and/or return a response. Endpoints could contain parameters passed within the URL, as key value pairs, multiple key value pairs are separated by an ampersand, allowing the endpoint to c...
How can I generate a unique ID in Python? [duplicate]
..., but the uuid backend that use uuidlib forked without closing FDs, so the TCP sockets I had open at the time would never be closed and I couldn't reopen the port later. I'd have to manually kill uuidd as root. I worked around this by setting uuid._uuid_generate_time and uuid._uuid_generate_random...
MVC Vs n-tier architecture
...sors), but the point here is N-Tier aludes to a physical network hop (e.g. TCP/IP). Locally you would be more efficent to use named pipes, but again, if you run on the same system you are competitng for memory and processing power. All of these are the reasons to consider isolating presentation, B...
Cassandra port usage - how are the ports used?
...
For Apache Cassandra 2.0 you need to take into account the following TCP ports:
(See EC2 security group configuration and Apache Cassandra FAQ)
Cassandra
7199 JMX monitoring port
1024 - 65355 Random port required by JMX. Starting with Java 7u4 a specific port can be specified using the com....
Web API 最佳入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...aging/Message Queue/Duplex Communication，选择WCF
如果服务需要在TCP/Named Pipes/UDP (wcf 4.5)，选择WCF
如果服务需要在http协议上，并且希望利用http协议的各种功能，选择Web API
如果服务需要被各种客户端(特别是移动客户端)调用，选择Web API...
What does it mean when an HTTP request returns status code 0?
...urned). This means the connection was accepted and then closed gracefully (TCP FIN).
There are a number of things which could cause this, but based off of your description, some form of firewall seems the most likely culprit.
...