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How to create abstract properties in python abstract classes

In the following code, I create a base abstract class Base . I want all the classes that inherit from Base to provide the name property, so I made this property an @abstractmethod . ...
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Show filename and line number in grep output

I am trying to search my rails directory using grep. I am looking for a specific word and I want to grep to print out the file name and line number. ...
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Copy multiple files in Python

How to copy all the files present in one directory to another directory using Python. I have the source path and the destination path as string. ...
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How do I validate a date string format in python?

I have a python method which accepts a date input as a string . 5 Answers 5 ...
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Why would finding a type's initializer throw a NullReferenceException?

... to optimize some tests for Noda Time, where we have some type initializer checking. I thought I'd find out whether a type has a type initializer (static constructor or static variables with initializers) before loading everything into a new AppDomain . To my surprise, a small test of this threw ...
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Split string using a newline delimiter with Python

I need to delimit the string which has new line in it. How would I achieve it? Please refer below code. 5 Answers ...
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How do I undo a checkout in git?

I just checked out an earlier commit from my local git repo. I haven't made any changes to it, I was just looking at it. Now I want to go back to my latest commit - how do I do that? ...
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Should I use scipy.pi, numpy.pi, or math.pi?

In a project using SciPy and NumPy, should I use scipy.pi , numpy.pi , or math.pi ? 2 Answers ...
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Add hover text without javascript like we hover on a user's reputation

In stackoverflow, when we hover on a user's reputation we see a text. I have seen this at many places and the source code tells me that it can be done without js. And i tried and got only this- ...
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Apache: “AuthType not set!” 500 Error

It's been a while since I used the Apache httpd web server. I'm firing up a local server for a project and when I try to request localhost/index.html, I get a 500 error and I see this in the error log: ...