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Best way to define error codes/strings in Java?
I am writing a web service in Java, and I am trying to figure out the best way to define error codes and their associated error strings . I need to have a numerical error code and an error string grouped together. Both the error code and error string will be sent to the client accessing the web ser...
Oracle TNS names not showing when adding new connection to SQL Developer
...N = (ADDRESS = (PROTOCOL = TCP)(HOST = XXX)(PORT = 1521)) (CONNECT_DATA = (SERVICE_NAME = DEV)))
OK (30 msec)
C:\>
Sometimes, the problem is with the entry you made in tnsnames.ora, not that the system can't find it. That said, I agree that having a tns_admin environment variable set is a Good...
Security of REST authentication schemes
...o use something like a digest-based authentication scheme (like Amazon Web Service's custom scheme) or OAuth 1.0a or even HTTP Basic authentication (but over SSL only).
These schemes authenticate that the request was sent by someone expected. TLS (SSL) (without client authentication) ensures that ...
How do I discover memory usage of my application in Android?
...is article which has some discussion of how memory is managed on Android:
Service API changes starting with Android 2.0
Now ActivityManager.getMemoryInfo() is our highest-level API for looking at overall memory usage. This is mostly there to help an application gauge how close the system is comin...
What is the difference between the Eclipse Package Explorer and the Eclipse Project Explorer?
...Suite 2.1.0 I have additional nodes for web projects, spring beans and web services. Because of this I favor using the Project Explorer.
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SmtpException: Unable to read data from the transport connection: net_io_connectionclosed
... those who stumble upon this problem in the future:
Back in the day, when services wanted to also offer encryption they were assigned a different port number, and on that port number they immediately initiated an SSL connection. As time went on they realized it was silly to waste two port numbers f...
How to shut down the computer from C#
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This appears to work from services too (at least in the scenarios I'm concerned with). I was never able to get the WMI or ExitWindowsEx methods to work from a service.
– James
Jul 28 '11 at 17:34
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SQL Server Script to create a new user
...t-click on the SQL Server instance, select Restart (alternatively, open up Services and restart the SQL Server service).
4- Close sql server application and reopen it
5- open 'SQL Server Configuration Manager' and tcp enabled for network
6-Double-click the TCP/IP protocol, go to the IP Addresses ...
How can I get stock quotes using Google Finance API?
I'm looking for access to financial data from Google services.
13 Answers
13
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Differences between socket.io and websockets
...e is my experience.
SocketIO
Has namespaces
Has rooms
Has subscriptions service
Has a pre-designed protocol of communication
(talking about the protocol to subscribe, unsubscribe or send a message to a specific room, you must all design them yourself in websockets)
Has good logging support
Has...