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How to convert an array of strings to an array of floats in numpy?
...(or equivalently, use a list comprehension). (In Python 3, you'll need to call list on the map return value if you use map, since map returns an iterator now.)
However, if it's already a numpy array of strings, there's a better way. Use astype().
import numpy as np
x = np.array(['1.1', '2.2', '3....
How to use the CancellationToken property?
...t points where you can stop executing safely across loop body, and loop usually have some logical condition to exit (iterate over all items in collection etc.). So I believe it's better not to mix that conditions as they have different intention.
Cautionary note about avoiding CancellationToken.Thr...
pyplot scatter plot marker size
...This can be a somewhat confusing way of defining the size but you are basically specifying the area of the marker. This means, to double the width (or height) of the marker you need to increase s by a factor of 4. [because A = WH => (2W)(2H)=4A]
There is a reason, however, that the size of mark...
python capitalize first letter only
...rn a titlecased version of S, i.e. words start with title case characters, all remaining cased characters have lower case."
– karantan
Jan 3 '17 at 11:34
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The Definitive C++ Book Guide and List
...tour” is a quick (about 180 pages and 14 chapters) tutorial overview of all of standard C++ (language and standard library, and using C++11) at a moderately high level for people who already know C++ or at least are experienced programmers. This book is an extended version of the material that con...
Using WebAPI or MVC to return JSON in ASP.NET
...l web-services hosted by your company/organization.)
MVC Controllers typically rely on the MVC Framework, if you look at default templates and most of the work done by the community and your peers you will notice that almost all MVC Controllers are implemented with the View in mind.
Personally, I ...
How do you create a transparent demo screen for an Android app?
...a semi-transparent demo screen that is launched only when a user first installs my application. Here's an example from the Pulse News app:
...
Should I use PATCH or PUT in my REST API?
...mation on partial resource modification is available in RFC 5789. Specifically, the PUT method is described as follows:
Several applications extending the Hypertext Transfer Protocol
(HTTP) require a feature to do partial resource modification. The
existing HTTP PUT method only allow...
call a static method inside a class?
how do i call a static method from another method inside the same class?
4 Answers
4
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Why can't static methods be abstract in Java?
.... static doesn't mean "not empty" -- that's just a consequence of Java not allowing static methods to be abstract. It means "callable on the class." (It should mean "callable only on the class" but that's another issue.) If Java supported abstract static methods I'd expect it to mean that the method...