大约有 25,700 项符合查询结果（耗时：0.0517秒） [XML]
My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets
...regarding the keywords in my question title and learned a lot from them. Some of the questions I read are related to specific implementation challenges while others focus on general concepts. I just want to make sure I understood all of the concepts and the reasoning why technology X was invented ov...
What is the purpose of the reader monad?
...perations is it equipped with? What is it good for?
How is the monad implemented? From where does it arise?
From the first approach, the reader monad is some abstract type
data Reader env a
such that
-- Reader is a monad
instance Monad (Reader env)
-- and we have a function to get its envir...
What should main() return in C and C++?
...d C++ — int main() or void main() — and why? And how about the arguments?
If int main() then return 1 or return 0 ?
...
What's the difference between a continuation and a callback?
I've been browsing all over the web in search of enlightenment about continuations, and it's mind boggling how the simplest of explanations can so utterly confound a JavaScript programmer like myself. This is especially true when most articles explain continuations with code in Scheme or use monads....
Role-based access control (RBAC) vs. Claims-based access control (CBAC) in ASP.NET MVC
...e using Role based authentication, if you have an action for creating customer and you want that the people who are in 'Sale' role should be able to do that, then you write code like this:
[Authorize(Roles="Sale")]
public ActionResult CreateCustomer()
{
return View();
}
Later, you realized th...
Proper use of the IDisposable interface
I know from reading the Microsoft documentation that the "primary" use of the IDisposable interface is to clean up unmanaged resources.
...
How can I link to a specific glibc version?
When I compile something on my Ubuntu Lucid 10.04 PC it gets linked against glibc. Lucid uses 2.11 of glibc. When I run this binary on another PC with an older glibc, the command fails saying there's no glibc 2.11...
...
Are the decimal places in a CSS width respected?
Something I've been wondering for a while whilst doing CSS design.
6 Answers
6
...
What would cause an algorithm to have O(log n) complexity?
... of big-O is limited, and when log terms show up in the equation it throws me off even more.
6 Answers
...
In Flux architecture, how do you manage Store lifecycle?
I'm reading about Flux but the example Todo app is too simplistic for me to understand some key points.
3 Answers
...