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Socket 错误返回码详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...下表:
SO_DONTLINGER
SO_KEEPALIVE
SO_LINGER
SO_OOBINLINE
TCP_NODELAY
datagram socket ( SOCK_DGRAM )不支援這些選項
SO_DEBUG
SO_DONTROUTE
SO_RCVBUF
SO_SNDBUF
TCP_NODELAY
有些廠商的WinSock TCP/IP協定核心不支援這些選項
SO_ACCEPTCONN
SO_ERROR
...
How to drop columns using Rails migration
...ot change, as explained in the answer by @Powers.
– XåpplI'-I0llwlg'I -
Aug 30 '13 at 5:32
7
@X...
How can I uninstall an application using PowerShell?
Is there a simple way to hook into the standard ' Add or Remove Programs ' functionality using PowerShell to uninstall an existing application ? Or to check if the application is installed?
...
How would one write object-oriented code in C? [closed]
...n = &rs232Open;
: :
commRs232.write = &rs232Write;
tCommClass commTcp;
commTcp.open = &tcpOpen;
: :
commTcp.write = &tcpWrite;
Of course, those code segments above would actually be in a "constructor" such as rs232Init().
When you 'inherit' from that class, you just change the po...
JavaScript query string [closed]
...=t%20e%20x%20t&e=http%3A%2F%2Fw3schools.com%2Fmy%20test.asp%3Fname%3Dståle%26car%3Dsaab"
> queryDict
a: ["1", "5", "t e x t"]
b: ["2"]
c: ["3"]
d: [undefined]
e: [undefined, "http://w3schools.com/my test.asp?name=ståle&car=saab"]
...
How do you change the size of figures drawn with matplotlib?
...ar 12 '09 at 12:41
Jouni K. SeppänenJouni K. Seppänen
33.9k55 gold badges6767 silver badges9696 bronze badges
...
How does one unit test routes with Express?
...ered Nov 17 '15 at 8:30
Marcus RådellMarcus Rådell
54244 silver badges1111 bronze badges
...
How to grep Git commit diffs or contents for a certain word?
In a Git code repository I want to list all commits that contain a certain word. I tried this
8 Answers
...
Server is already running in Rails
... using command
ps -aef | grep rails
OR by this command
sudo lsof -wni tcp:3000
then
kill -9 pID
OR use this command
To find and kill process by port name on which that program is running. For 3000 replace port on which your program is running.
sudo kill -9 $(lsof -i :3000 -t)
Old Solut...
Is there a way for multiple processes to share a listening socket?
...that it does not close will continue to be shared, and (for example with a TCP listening socket) can be used to accept() new sockets for clients. This is how many servers, including Apache in most cases, work.
On Windows the same thing is basically true, except there is no fork() system call so the...