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"Pinging" a server in Java


"Pinging" a server in Java

By : Rajesh Suda
Date : December 01 2020, 05:00 PM
it fixes the issue Get rid of the readLine() and the BufferedReader and all that. An HTTP server isn't going to send you anything, it is waiting for you to send a request, and it will time you out eventually. No point in waiting for that, or in doing any I/O at all. The fact that you managed to establish a connection is sufficient proof that the server is up.
code :


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SQL Server 2005 - Deny View of "Security", "Server Objects", "Replication" and "Manag

SQL Server 2005 - Deny View of "Security", "Server Objects", "Replication" and "Manag


By : Alex Buttery
Date : March 29 2020, 07:55 AM
will help you Those SSMS categories are aggregates of various server side features. Take for instance the 'Security' tab, this shows 'Logins', 'Server Roles' and 'Credentials'. Consider the 'Logins' node:
shows existing login, that is a view over sys.server_principals and visibility of the objects in this catalog view is restricted to entities (logins) on which the current user has ownership or has view definition permission over. Allows to add a new login, which means CREATE LOGIN and this in turn requires ALTER ANY LOGIN or ALTER LOGIN permissions. Allows to delete a login, which means DROP LOGIN and this requires ALTER ANY LOGIN.
Efficient "Pinging" with Java

Efficient "Pinging" with Java


By : meher srikanth chowd
Date : March 29 2020, 07:55 AM
it should still fix some issue try to use something like netty (NIO) for this. You can just spread out your requests to all the IPs (for whatever reason) in one thread and wait for the returns in one other thread. Your current approach uses threads to manage the asynchronous answers of all the remote hosts, which seems to be ok and will work, but producting threads just to wait is not this optimal. better open lots of connections, sent packets, wait for results and let the OS manage the waiting.
Use multiple Threads only, if you want to perform concurrent computations which take unpredictable time. If you have such clearly defined tasks, like opening lots of sockets, sending data and waiting for responses, use NIO frameworks in java (btw. normally a single thread should be sufficient here).
Pinging test.dev after Laravel Valet install returns "Unknown Host"

Pinging test.dev after Laravel Valet install returns "Unknown Host"


By : 전수림SHW-M380S전수림
Date : March 29 2020, 07:55 AM
it helps some times The problem ended up being something to do with dnsmasq. Using the very thorough this answer to another related SO post, I ended up doing the following to solve my issue:
brew unlink dnsmasq
code :
;; ANSWER SECTION:
test.dev.       3599    IN  A   127.0.53.53
PING test.dev (127.0.0.1): 56 data bytes
64 bytes from 127.0.0.1: icmp_seq=0 ttl=64 time=0.036 ms
64 bytes from 127.0.0.1: icmp_seq=1 ttl=64 time=0.072 ms
Why do i get "Wrong API base URL used" when pinging Adobe EchoSign Cloud by a SOAP request?

Why do i get "Wrong API base URL used" when pinging Adobe EchoSign Cloud by a SOAP request?


By : ak131
Date : March 29 2020, 07:55 AM
it helps some times I am trying to access signed documents within the Adobe EchoSign Cloud. I have got an API key for authentication and used it in a testPing SOAP request like , I found an important note in the Adobe documentation:
Hyperledger-Composer: Getting "access denied" when pinging network admin card

Hyperledger-Composer: Getting "access denied" when pinging network admin card


By : infiniteSearcher
Date : March 29 2020, 07:55 AM
I wish did fix the issue. After two weeks found the error. Logging it here for the community.
It was a Hyperledger-Fabric configuration error.
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