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领域驱动设计系列（五）:事件驱动之异步事件 - 更多技术 - 清泛网 - 专注C/...
...件的人太多，比如13亿人都关心上头条的事，那么RaiseEvent得等13亿人都处理完，那得多久呀，从此再也不敢发事件了。 举个例子，你在网上下单，下完单要通知库房，甚至要通知供应商补货，如果都是同步的话，消费者还不等急...
Generic type conversion FROM string
I have a class that I want to use to store "properties" for another class. These properties simply have a name and a value. Ideally, what I would like is to be able to add typed properties, so that the "value" returned is always of the type that I want it to be.
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Root user/sudo equivalent in Cygwin?
I'm trying to run a bash script in Cygwin.
17 Answers
17
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Computational complexity of Fibonacci Sequence
I understand Big-O notation, but I don't know how to calculate it for many functions. In particular, I've been trying to figure out the computational complexity of the naive version of the Fibonacci sequence:
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Combining two expressions (Expression)
I have two expressions of type Expression<Func<T, bool>> and I want to take to OR, AND or NOT of these and get a new expression of the same type
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Find merge commit which include a specific commit
Imagine the following history:
12 Answers
12
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How do I make the return type of a method generic?
Is there a way to make this method generic so I can return a string, bool, int, or double? Right now, it's returning a string, but if it's able find "true" or "false" as the configuration value, I'd like to return a bool for example.
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Creating a blocking Queue in .NET?
I have a scenario where I have multiple threads adding to a queue and multiple threads reading from the same queue. If the queue reaches a specific size all threads that are filling the queue will be blocked on add until an item is removed from the queue.
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How do I get a class instance of generic type T?
I have a generics class, Foo<T> . In a method of Foo , I want to get the class instance of type T , but I just can't call T.class .
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C++: const reference, before vs after type-specifier
What is the difference between the arguments in:
7 Answers
7
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