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Finding the index of elements based on a condition using python list comprehension

...h indexes means you're not doing something the best way. If you do need an API similar to Matlab's, you would use numpy, a package for multidimensional arrays and numerical math in Python which is heavily inspired by Matlab. You would be using a numpy array instead of a list. >>> import nu...
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Custom Adapter for List View

... implement custom adapters. http://developer.android.com/resources/samples/ApiDemos/src/com/example/android/apis/view/List14.html @CommonsWare has written a good explanation of the patterns used in the above example http://commonsware.com/Android/excerpt.pdf ...
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What is the difference between NaN and None?

...value NaN (Not-A-Number) is used everywhere as the NA value, and there are API functions isnull and notnull which can be used across the dtypes to detect NA values. ... Thus, I have chosen the Pythonic “practicality beats purity” approach and traded integer NA capability for a much simpler a...
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How the single threaded non blocking IO model works in Node.js

... 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...
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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...
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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...
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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...
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What is a Manifest in Scala and when do you need it?

... Before 2013-01-04, or if you're using an API that relies on it. – David Moles Dec 19 '13 at 23:16 add a comment  |  ...
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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...