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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 ...
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大数据时代的数据化运营 - 资讯 - 清泛网 - 专注C/C++及内核技术
...量到一定程度的时候,我们才能分析出一些共性的东西和区域性的东西。另外是数据的内存比较多,可能会衍生到很多纬度,比如身高长相,还有体重以及其他的年纪等等各种各样的东西,我们运营其实就是从大量的数据中挖掘...
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
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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...
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...
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...
App Inventor 2 TaifunImage 拓展,图像高级处理功能,剪裁,压缩,翻转等 ...
...给个鼓励也行呐~o~ 提供截图(仅截取当前可视区域) delete edit 高亮或隐藏信息 提交 function HideORDispFeedback() { $("#feedback").toggle();}function makeTitleDraggable(el...
