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how to release localhost from Error: listen EADDRINUSE
... <port>
If the port is being held you'll see something like this:
tcp 0 0.0.0.0:<port> 0.0.0.* LISTEN <pid>/<parent>
Now kill by pid:
kill -9 <pid>
share...
How to find the operating system version using JavaScript?
How can I find the OS name and OS version using JavaScript?
13 Answers
13
...
What's the difference between an inverted index and a plain old index?
... in order for the words to have meaning. If, as a culture, we decided to flip left and right, then you'd have the same issue figuring out what a "right turn" vs a "left turn" is since the agreed upon meaning had changed. However, the naming is arbitrary, so which one is which (in and of itself) does...
Error in exception handler. - Laravel
...nt I finally saw an enlightening message:
string(41) "Connection refused [tcp://127.0.0.1:6379]"
which in my case was a bad redis configuration, but in your case could be anything.
I hope this helps someone, or at least next time I get here I will find my own answer.
...
OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...to tell
# SELinux about this change.
# semanage port -a -t ssh_port_t -p tcp #PORTNUMBER
#
#Port 22
#AddressFamily any
#ListenAddress 0.0.0.0
#ListenAddress ::
# The default requires explicit activation of protocol 1
#Protocol 2
# HostKey for protocol version 1
#HostKey /etc/ssh/ssh_h...
How SID is different from Service name in Oracle tnsnames.ora
...hereever.com =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = myHostname)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = mySID.whereever.com)
(SID = mySID)
(SERVER = DEDICATED)
)
)
I just thought I'd leave this here as it's mildly relevant to the questio...
Best approach to real time http streaming to HTML5 video client
...MP4 and I had to tune the FFMPEG parameters, and the standard node stream pipe redirection over http that I used originally was all that was needed.
In MP4 there is a 'fragmentation' option that breaks the mp4 into much smaller fragments which has its own index and makes the mp4 live streaming opti...
Nginx no-www to www and www to no-www
...ix https:// and http://.
To check the nginx version, use nginx -v.
Strip www from url with nginx redirect
server {
server_name www.domain.com;
rewrite ^(.*) http://domain.com$1 permanent;
}
server {
server_name domain.com;
#The rest of your configuration goes here#
}
So yo...
socket.shutdown vs socket.close
...netherlabs.nl/articles/2009/01/18/the-ultimate-so_linger-page-or-why-is-my-tcp-not-reliable
one needs to wait between the shutdown and the close until read returns 0.
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Common use-cases for pickle in Python
...re it left off when restarted (persistence)
2) sending python data over a TCP connection in a multi-core or distributed system (marshalling)
3) storing python objects in a database
4) converting an arbitrary python object to a string so that it can be used as a dictionary key (e.g. for caching &a...