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Server is already running in Rails
... using command
ps -aef | grep rails
OR by this command
sudo lsof -wni tcp:3000
then
kill -9 pID
OR use this command
To find and kill process by port name on which that program is running. For 3000 replace port on which your program is running.
sudo kill -9 $(lsof -i :3000 -t)
Old Solut...
Is there a way for multiple processes to share a listening socket?
...that it does not close will continue to be shared, and (for example with a TCP listening socket) can be used to accept() new sockets for clients. This is how many servers, including Apache in most cases, work.
On Windows the same thing is basically true, except there is no fork() system call so the...
Catch-22 prevents streamed TCP WCF service securable by WIF; ruining my Christmas, mental health
I have a requirement to secure a streamed WCF net.tcp service endpoint using WIF . It should authenticate incoming calls against our token server. The service is streamed because it is designed to transfer large amounts of data n stuff.
...
Difference between socket and websocket?
...cting to Application Server over a protocol similar to HTTP that runs over TCP/IP. So they are primarily for Web Applications that require a permanent connection to its server. On the other hand, plain sockets are more powerful and generic. They run over TCP/IP but they are not restricted to browser...
创建自定义 TinyWebDB 服务 · App Inventor 2 中文网
...有限公司 版权所有，未经书面许可，不得转载或使用 隐私策略和使用条款 技术支持 service@fun123.cn
ORA-12514 TNS:listener does not currently know of service requested in connect descriptor
...
TEST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = *<validhost>*)(PORT = *<validport>*))
)
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = *<servicenamefromDB>*)
)
)
then I ran:
sqlplus user@TEST
Success!
The li...
HTTPS connections over proxy servers
...ou are contacting, i.e. no proxies. Normally, you use CONNECT to open up a TCP connection through the proxy. In this case, the proxy will not be able to cache, read, or modify any requests/responses, and therefore be rather useless.
If you want the proxy to be able to read information, you can take...
difference between socket programming and Http programming
...point. Instead it relies on an underlying protocol which in HTTP's case is TCP.
You can read more about OSI layers if you are interested.
Sockets on the other hand are an API that most operating systems provide to be able to talk with the network. The socket API supports different protocols from...
将 App Inventor 2 项目连接到外部传感器 · App Inventor 2 中文网
...有限公司 版权所有，未经书面许可，不得转载或使用 隐私策略和使用条款 技术支持 service@fun123.cn
leancloud云存储(LeanDB)如何接入App Inventor 2？ - App Inventor 2 中文...
...语言的接入，而App Inventor 2由于没有专用组件，可以选择使用Java/Kotlin开发拓展接入，也能采用更通用的 curl 方式接入：
使用 “Web客户端”组件：
这个AI2组件几乎等同于通用的 curl 命令，能完成数据的 Post，Get，文本，二...