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How the single threaded non blocking IO model works in Node.js
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Node.js is built upon libuv, a cross-platform library that abstracts apis/syscalls for asynchronous (non-blocking) input/output provided by the supported OSes (Unix, OS X and Windows at least).
Asynchronous IO
In this programming model open/read/write operation on devices and resources (sock...
Casting vs using the 'as' keyword in the CLR
...quired to use a pre-generics collection, for example, and a method in your API requires a list of Employees, and some joker instead passes a list of Products, then an invalid cast exception may be appropriate to signal the violation of the interface requirements.
– Jeffrey L Wh...
Populate a Razor Section From a Partial
...ates client-side (i'm looking into Backbone.js) and then push/pull from an API.
– one.beat.consumer
Feb 3 '12 at 20:31
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What are the downsides to using Dependency Injection? [closed]
...f it seems trivial, take a look at this real-world function from the Win32 API...
http://msdn.microsoft.com/en-us/library/ms632680%28v=vs.85%29.aspx
That's 12 "dependencies" to deal with. For example, if screen resolutions get really huge, maybe we'll need 64-bit co-ordinate values - and another v...
Modify request parameter with servlet filter
...ead of the original request.
It's a bit ugly, but that's what the servlet API says you should do. If you try to pass anything else to doFilter, some servlet containers will complain that you have violated the spec, and will refuse to handle it.
A more elegant solution is more work - modify the or...
What is a Manifest in Scala and when do you need it?
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Before 2013-01-04, or if you're using an API that relies on it.
– David Moles
Dec 19 '13 at 23:16
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How to create a density plot in matplotlib?
...y for the density plot (see the documentation https://matplotlib.org/3.1.1/api/_as_gen/matplotlib.pyplot.hist.html).
Resultingly, the following code creates a density plot by using the matplotlib library:
import matplotlib.pyplot as plt
dat=[-1,2,1,4,-5,3,6,1,2,1,2,5,6,5,6,2,2,2]
a=plt.hist(dat,den...
Custom attributes in styles.xml
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This doesn't even compile for me, using API lvl 16.
– David Miler
Dec 5 '12 at 18:43
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Why use Ruby's attr_accessor, attr_reader and attr_writer?
...sier to write classes which will work correctly no matter how their public API is called.
class Person
attr_accessor :age
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end
Here, I can see that I may both read and write the age.
class Person
attr_reader :age
...
end
Here, I can see that I may only read the age. Imagine that it...
PHP: exceptions vs errors?
...l exceptions are "the OOP way", but unfortunately some of PHP's native OOP APIs use errors instead of exceptions :-(
– DaveRandom
Sep 19 '13 at 11:45
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