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What are the differences between numpy arrays and matrices? Which one should I use?
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As per the official documents, it's not anymore advisable to use matrix class since it will be removed in the future.
https://numpy.org/doc/stable/reference/generated/numpy.matrix.html
As other answers already state that you can achieve all the operations with NumPy arrays.
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Difference between web reference and service reference?
...hat a Web Reference will create a client proxy class that allows your code to talk to a Web Service that is described via WSDL and communicates via SOAP or HTTP GET (other posters indicate that it is only ASMX, but Web References can also talk to Java-based Web Services or Python-based or Ruby so lo...
How to create composite primary key in SQL Server 2008
I want to create tables in SQL Server 2008, but I don't know how to create composite primary key. How can I achieve this?
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ActionController::InvalidAuthenticityToken
...pages which were page cached. Pages got buffered with a stale authenticity token and all actions using the methods post/put/delete where recognized as forgery attempts. Error (422 Unprocessable Entity) was returned to the user.
The solution for Rails 3:
Add:
skip_before_filter :verify_authenticit...
Is there a bash command which counts files?
...in whitespace or special characters such as newlines.
The output is piped to wc -l, which counts the number of lines.
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Where is array's length property defined?
... T[] is T[].
A clone of a multidimensional array is shallow, which is to say that it creates only a single new array. Subarrays are shared.
All the members inherited from class Object; the only method of Object that is not inherited is its clone method.
Resources:
JLS - Arrays
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Decimal precision and scale in EF Code First
...h, but I'm find out now that a property of type System.Decimal gets mapped to a sql column of type decimal(18, 0).
16 Answ...
How to parse XML to R data frame
I tried to parse XML to R data frame, this link helped me a lot:
4 Answers
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Link to the issue number on GitHub within a commit message
Is it somehow possible to automatically have a link to GitHub issue number in the git commit message?
8 Answers
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Convert System.Drawing.Color to RGB and Hex Value
Using C# I was trying to develop the following two. The way I am doing it may have some problem and need your kind advice. In addition, I dont know whether there is any existing method to do the same.
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