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Database cluster and load balancing
What is database clustering? If you allow the same database to be on 2 different servers how do they keep the data between synchronized. And how does this differ from load balancing from a database server perspective?
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how do I initialize a float to its max/min value?
...t;algorithm>) which may be a better choice for finding the largest or smallest value in an array.
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Is mathematics necessary for programming? [closed]
...m high school or fresh year college math, no more no less, and that almost all of programming tasks can be achieved without even need for advanced math. He argued, however, that algorithms are fundamental & must-have asset for programmers.
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How do I set up NSZombieEnabled in Xcode 4?
...d again. This is a debugging aid that increases memory use (no object is really released) but improves error reporting.
A typical case is when you over-release an object and you don't know which one:
With zombies: -[UITableView release]: message sent to deallocated instance
Without zombies:
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?? Coalesce for empty string?
...d make your extension method return a string or null, however, which would allow the coalescing operator to work. This would be odd, however, and I personally prefer your current approach.
Since you're already using an extension method, why not just make one that returns the value or a default:
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C# version of java's synchronized keyword?
... be thread-safe. Use YAGNI: only apply thread-safety when you know you actually are going to use it (and test it).
For the method-level stuff, there is [MethodImpl]:
[MethodImpl(MethodImplOptions.Synchronized)]
public void SomeMethod() {/* code */}
This can also be used on accessors (properties ...
TypeScript with KnockoutJS
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(): number;
subscribe: (callback: (newValue: number) => void) => void;
}
interface ObservableString {
(newValue: string): void;
(): string;
subscribe: (callback: (newValue: str...
Why is inserting in the middle of a linked list O(1)?
...Operations on Linked Lists are often done in such a way that they aren't really treated as a generic "list", but as a collection of nodes--think of the node itself as the iterator for your main loop. So as you're poking through the list you notice as part of your business logic that a new node need...
Add primary key to existing table
I have an existing table called Persion . In this table I have 5 columns:
10 Answers
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Getting the application's directory from a WPF application
... thanks. Must have overlooked AppDomain somehow. I was looking for it, actually ...
– Joey
Jun 2 '09 at 12:34
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