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How to activate JMX on my JVM for access with jconsole?

...un.management.jmxremote.ssl=false -Djava.rmi.server.hostname=${DOCKER_HOST_IP} -Dcom.sun.management.jmxremote.port=9999 -Dcom.sun.management.jmxremote.rmi.port=9998 DOCKER_HOST_IP Unlike using jconsole locally, you have to advertise a different IP than you'll probably see from within the containe...
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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...
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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 20.4k55 gold badges5555 silver badges6767 bronze badges ...
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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...
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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...
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C++并发编程(中文版) - 文档下载 - 清泛网 - 专注C/C++及内核技术

...需要深入了解C++多线程开发的读者,以及使用C++进行各类软件开发的开发人员、测试人员。 对于使用第三方线程库的读者,也可以从本书后面的章节中了解到相关的指引和技巧。 同时,本书还可以作为C++11线程库的参考工具书...
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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...
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How to check programmatically if an application is installed or not in Android?

... Oct 9 '16 at 13:52 Egemen HamutçuEgemen Hamutçu 939
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getting the ng-object selected with ng-change

...red Apr 14 '16 at 15:56 barış çıracıbarış çıracı 9551111 silver badges1515 bronze badges ...
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How to quickly and conveniently create a one element arraylist [duplicate]

...one to mention Collections.singletonList. – Jean-François Savard May 26 '15 at 0:11 4 I'm even m...