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Representational state transfer (REST) and Simple Object Access Protocol (SOAP)
...Protocol (SOAP):
SOAP builds an XML protocol on top of HTTP or sometimes TCP/IP.
SOAP describes functions, and types of data.
SOAP is a successor of XML-RPC and is very similar, but describes a standard way to communicate.
Several programming languages have native support for SOAP, you typically f...
Recommended way to get hostname in Java
... is the name of your computer. Any attempt to determine the hostname by an IP address like this
InetAddress.getLocalHost().getHostName()
is bound to fail in some circumstances:
The IP address might not resolve into any name. Bad DNS setup, bad system setup or bad provider setup may be the reason f...
How do I debug error ECONNRESET in Node.js?
...eady: it's a connection error.
"ECONNRESET" means the other side of the TCP conversation abruptly closed its end of the connection. This is most probably due to one or more application protocol errors. You could look at the API server logs to see if it complains about something.
But since you ar...
mongo - couldn't connect to server 127.0.0.1:27017
...o the mongod server.
This could be because the address was wrong (host or IP) or that it was not running. One thing to note is the log trace provided does not cover the "Fri Nov 9 16:44:06" of your mongo timestamp.
Can you:
Provide the command line arguments (if any) used to start your
mongod p...
In Functional Programming, what is a functor?
...; it shows how to use functors to build more complex protocol layers (like TCP) on type of simpler layers (like IP or even directly over Ethernet). Each layer is implemented as a functor that takes as a parameter the layer below it. The structure of the software actually reflects the way people th...
Can't stop rails server
...r.pid)
In your terminal to find out the PID of the process:
$ lsof -wni tcp:3000
Then, use the number in the PID column to kill the process:
For example:
$ kill -9 PID
And some of the other answers i found is:
To stop the rails server while it's running, press:
CTRL-C
CTRL-Z
You will ge...
select、poll、epoll之间的区别总结[整理] - C/C++ - 清泛网 - 专注C/C++及内核技术
...socket，这个poll方法是sock_poll，sock_poll根据情况会调用到tcp_poll,udp_poll或者datagram_poll）
（4）以tcp_poll为例，其核心实现就是__pollwait，也就是上面注册的回调函数。
（5）__pollwait的主要工作就是把current（当前进程）挂到设备的等...
SQLite INSERT - ON DUPLICATE KEY UPDATE (UPSERT)
...rts upsert, so now you can simply write the following
INSERT INTO visits (ip, hits)
VALUES ('127.0.0.1', 1)
ON CONFLICT(ip) DO UPDATE SET hits = hits + 1;
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How to grant remote access to MySQL for a whole subnet?
I can easily grant access to one IP using this code:
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What are the disadvantages of using persistent connection in PDO
...that can prove that fact? I would tend to think that UDS are prefered over TCP. Thanks.
– Nuxwin
Aug 27 '17 at 15:27
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