大约有 4,200 项符合查询结果（耗时：0.0230秒） [XML]
What ports does RabbitMQ use?
...:
eric@dev ~$ sudo lsof -i | grep beam
beam.smp 21216 rabbitmq 17u IPv4 33148214 0t0 TCP *:55672 (LISTEN)
beam.smp 21216 rabbitmq 18u IPv4 33148219 0t0 TCP *:15672 (LISTEN)
use nmap from a different machine, find out if 5672 is open:
sudo nmap -p 5672 10.0.1.71
Starting...
String.Join method that ignores empty strings?
...(s) Not String.IsNullOrEmpty(s)) Can you either change your answer or explain the Where statement?
– Doug
May 2 '13 at 13:44
...
How to display unique records from a has_many through relationship?
... the best way to display unique records from a has_many, through relationship in Rails3.
4 Answers
...
[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes) - #9 by ...
...docs, you have done this completely backwards.
Just ask for the 192 MTU in AI2, and start transmitting after you got the event that tells you both sides can handle the 192 size.
1 Like
...
Will HTML5 allow web apps to make peer-to-peer HTTP connections?
...formed answer:
HTML 5 plans to allow peer to peer connections from javascript, but these connections WILL NOT BE RAW TCP.
The complete spec can be found at http://dev.w3.org/html5/websockets/
jrh
EDIT: with specific reference to peer to peer connections, check out these links:
Regarding peer t...
Emulating a do-while loop in Bash
...is construct on the command line, I wouldn't do it as a one-liner (in a script, specifically) since the intent is unreadable.
– Paused until further notice.
Oct 19 '16 at 19:59
...
Passing parameters to a Bash function
...ur function after it is declared.
#!/usr/bin/env sh
foo 1 # this will fail because foo has not been declared yet.
foo() {
echo "Parameter #1 is $1"
}
foo 2 # this will work.
Output:
./myScript.sh: line 2: foo: command not found
Parameter #1 is 2
Reference: Advanced Bash-Scripting Guid...
Why do people say that Ruby is slow? [closed]
...in, Nginx, SQLite, MySQL, PostgreSQL, many parsing libraries, RMagick, TCP/IP, etc are C programs used by Ruby. Ruby provides the glue and the business logic.
What are your options as a Ruby
programmer if you want to deal with
this "slowness"?
Switch to a faster language. But that carries...
How to send POST request?
...
How to get json result?
– Yohanes AI
Apr 26 '18 at 9:03
13
If you need to send...
What is the X-REQUEST-ID http header?
...up the corresponding log statements (without having to rely on timestamps, IPs, etc).
As this ID is generated (randomly) by the client it does not contain any sensitive information, and should thus not violate the user's privacy. As a unique ID is created per request it does also not help with trac...