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In C#, how to check if a TCP port is available?
...objects available in the System.Net.NetworkInformation namespace.
Use the IPGlobalProperties object to get to an array of TcpConnectionInformation objects, which you can then interrogate about endpoint IP and port.
int port = 456; //<--- This is your value
bool isAvailable = true;
// Eval...
What causes a TCP/IP reset (RST) flag to be sent?
I'm trying to figure out why my app's TCP/IP connection keeps hiccuping every 10 minutes (exactly, within 1-2 seconds). I ran Wireshark and discovered that after 10 minutes of inactivity the other end is sending a packet with the reset (RST) flag set. A google search tells me "the RESET flag signif...
ERROR 1130 (HY000): Host '' is not allowed to connect to this MySQL server [duplicate]
...nd 127.0.0.1, you cannot connect from an external source. If you see other IP addresses, but not the one you're connecting from - that's also an indication.
You will need to add the IP address of each system that you want to grant access to, and then grant privileges:
CREATE USER 'root'@'ip_addres...
Fixed page header overlaps in-page anchors
...answered Jun 5 '19 at 21:04
François RomainFrançois Romain
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Exposing a port on a live Docker container
...with something running on its port 8000, you can run
wget http://container_ip:8000
To get the container's IP address, run the 2 commands:
docker ps
docker inspect container_name | grep IPAddress
Internally, Docker shells out to call iptables when you run an image, so maybe some variation on this w...
Java: Integer equals vs. ==
... edited Jun 14 '18 at 12:30
buræquete
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answered Sep 3 '10 at 17:06
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Is it good practice to NULL a pointer after deleting it?
... answered Dec 18 '09 at 23:01
Håvard SHåvard S
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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
...和recvfrom()
對於datagram socket，socket沒有呼叫bind()函式指定IP位址、port和協定等；對於stream socket，連接尚未建立
send()和sendto()
對於datagram socket，socket沒有呼叫bind()函式指定IP位址、port和協定等；對於stream socket，連接尚未建立
...
finding and replacing elements in a list
...ution. Consider using list comprehension.
– Jean-François Corbett
Feb 2 '17 at 13:35
6
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User recognition without cookies or local storage
I'm building an analytic tool and I can currently get the user's IP address, browser and operating system from their user agent.
...