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Database cluster and load balancing
...long with the SQL node to achieve this(talking specifically about MySQL).
Now about the differences: load balancing is just one result that could be achieved through clustering, the others include high availability, scalability and fault tolerance.
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Why are local variables not initialized in Java?
... Why complicate things? Write the try-finally block this way, and you KNOW the variable has a valid value. No null-checking required.
– Rob Kennedy
Jan 6 '09 at 16:09
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What difference is there between WebClient and HTTPWebRequest classes in .NET?
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Anyone coming across this like I have just now, note there is a new player on the field called HttpClient that comes with .NET 4.5 that may (or may not?) solve some of the above hassles...
– Funka
Jan 31 '13 at 20:14
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Waiting until two async blocks are executed before starting another block
...rrently? I mean, assume that block1 and block2 are associated with a group now, will block2 wait until block1 is done before it can start executing?
– tom
Aug 10 '12 at 22:25
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Showing empty view when ListView is empty
... any idea how to do that in app inventor?
– JinSnow
Mar 26 '15 at 16:56
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How to implement Rate It feature in Android App
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I implemented this a while back, to some extent. It is impossible to know whether or not a user has rated an app, to prevent ratings from becoming a currency (some developers might add an option like "Rate this app and get so and so in the app for free").
The class I wrote provides three butt...
What exactly is Type Coercion in Javascript?
...typed languages are the scourge of the programming world. However, if you know what you are doing, it can make for shorter, more flexible code.
– Crayon Violent
Nov 11 '13 at 21:06
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Vim: Move cursor to its last position
... then I see this behavior: I stand on line 1, then press j twice in a row (now I'm on line 3) then pressing double backtick gets to me line 1 and I expect it to move to line 2.
– Idan K
Feb 20 '11 at 8:56
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When would I use Task.Yield()?
...;
}
var dialogTask = showAsync();
await Task.Yield();
// now we're on the dialog's nested message loop started by dialog.ShowDialog
MessageBox.Show("The dialog is visible, click OK to close");
dialog.Close();
await dialogTask;
// we're back to the main message loo...
Why is it not advisable to have the database and web server on the same machine?
.... If, on the other hand, your database is on the same server, the attacker now has root access to your data and server.
Scalability. Keeping your web server stateless allows you to scale your web servers horizontally pretty much effortlessly. It is very difficult to horizontally scale a database ser...