大约有 870 项符合查询结果（耗时：0.0225秒） [XML]
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
...olog
conn system
alter system set local_listener = '(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=1521))' scope = both;
alter system register;
exit
lsnrctl status
This should probably work ...
share
|
...
How to call a Python function from Node.js
... = require("zerorpc");
var client = new zerorpc.Client();
client.connect("tcp://127.0.0.1:4242");
client.invoke("hello", "RPC", function(error, res, more) {
console.log(res);
});
Python Server
import zerorpc
class HelloRPC(object):
def hello(self, name):
return "Hello, %s" % na...
Configure Flask dev server to be visible across the network
...sing command - sudo firewall-cmd --zone=public --permanent --add-port=5000/tcp followed by sudo firewall-cmd --reload. then, run the flask app as - flask run --host=0.0.0.0
– Pintu Kumar
Jul 24 '18 at 6:08
...
How can a Metro app in Windows 8 communicate with a backend desktop app on the same machine?
...s you may already know Metro doesn't support named pipes. I ended up using TcpBinding for full duplex connection.
This post describes what functionality is supported.
Sample of my WCF server that Metro client can consume is here.
Also keep in mind that you can't use synchronous WCF in Metro. You'...
Sync data between Android App and webserver [closed]
... data changes on the server. You can use C2DM or write your own persistent tcp based communication. The tcp approach is a lot seamless
A way to replicate data changes across multiple devices
And last but not the least, a way to detect and handle conflicts
Hope this helps as a good starting point....
How to get the client IP address in PHP [duplicate]
...
Note: REMOTE_ADDR might not contain the real IP of the TCP connection. This entirely depends on your SAPI. Ensure that your SAPI is properly configured such that $_SERVER['REMOTE_ADDR'] actually returns the IP of the TCP connection. Failing that might give rise to some serious vu...
Can you explain the HttpURLConnection connection process?
...as confused before between the 'UrlConnection' instance and the underlying Tcp/Ip/SSL connection, 2 separate concepts. The former is basically synonymous with a single HTTP page request. The latter is something that hopefully will be created once only if you're doing multiple page requests to the s...
Why should I use Google's CDN for jQuery?
...h the average web page now makes 93 of – but also every DNS lookup
and TCP connection... While average RTTs are improving, there are only
small additional gains to be had, as current networks are within a
small factor of the theoretical limit dictated by physics."
He also cites this post f...
What's the difference between Jetty and Netty?
...ients. It greatly simplifies and streamlines network programming
such as TCP and UDP socket server.
So Netty is focusing on helping to write NIO/non-blocking, asynchronous network programs.
If you deal a lot with network protocols and want it to be non-blocking use Netty (usually for high-perf...
git:// protocol blocked by company, how can I get around that?
... (192.30.252.131)
Host is up (0.24s latency).
PORT STATE SERVICE
80/tcp open http
9418/tcp filtered git
# Using Netcat:
# Returns 0 if the git protocol port IS NOT blocked
# Returns 1 if the git protocol port IS blocked
$ nc github.com 9418 < /dev/null; echo $?
1
# Using CURL
# Ret...