...all a cluster a set of replicated servers. Replication defines the method by which a set of servers remain synchronized without having to share the storage being able to be geographically disperse, there are two main ways of going about it: master-master (or multi-master) replication: Any server ...

...ame Long polling SignalR tries to choose the "best" connection supported by server and client (you can also force it to use a specific transport). That's the high level. If you want to see how each transport is implemented, you can look at the source code. There's also client code for each tran...

... Generators give you lazy evaluation. You use them by iterating over them, either explicitly with 'for' or implicitly by passing it to any function or construct that iterates. You can think of generators as returning multiple items, as if they return a list, but instead of re...

...t): To close the connection cleanly, a frame consisting of just a 0xFF byte followed by a 0x00 byte is sent from one peer to ask that the other peer close the connection. If you are writing a server, you should make sure to send a close frame when the server closes a client connect...

... I like this solution as you can reference the column name by name, as opposed to requiring to know which number column it is. Better for larger number features. – Cybernetic Aug 22 '14 at 17:18 ...

I was going through the exercises in Ruby Koans and I was struck by the following Ruby quirk that I found really unexplainable: ...

... first check if running in a 64-bit process (I think in .NET you can do so by checking IntPtr.Size), and if you are running in a 32-bit process, you still have to call the Win API function IsWow64Process. If this returns true, you are running in a 32-bit process on 64-bit Windows. Microsoft's Raymon...

...ation is a standalone artifact in beta state, and XSD 1.1 is not supported by the JDK, not even by the most recent one 1.8. It isn't even planned for JDK 1.9 as far as I know. You cannot use advanced XML technologies like JAXB based on XSD 1.1 built-in from the JDK this way. – ...

...hem a valid value if you do not do so explicitly. int's initialize to zero by default, DateTime's initialize to DateTime.MinValue by default. Reference type variables initialize to the object you give it. The compiler will not assign an object (i.e. a valid value) if you don't. In this case the val...

I am trying to learn spring data JPA by testing some CRUD operation via JpaRepository . 2 Answers ...