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What is the 'cls' variable used for in Python classes?

Why is cls sometimes used instead of self as an argument in Python classes? 5 Answers ...
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Why does @foo.setter in Python not work for me?

...t; File "/devel/class_test.py", line 6, in x return self._x AttributeError: 'testDec' object has no attribute '_x' >>> k.x = 5 called setter >>> k.x called getter 5 >>> Another detail that might cause problems is that both methods need the same name for the proper...
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What does f+++++++++ mean in rsync logs?

I'm using rsync to make a backup of my server files, and I have two questions: 4 Answers ...
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Passing current scope to an AngularJS Service

...example, if the service is supposed to push and pop elements from an array errors, my code will be: var errors = []; $scope.errors = errors; $scope.myService = new MyService(errors); The service interacts then with the controller by operating on errors. Of course I've got to be cautious about nev...
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Loading local JSON file

... I tried this, but no luck. No error in console as well :( – Govind Kailas Feb 15 '14 at 11:21 11 ...
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How to delete duplicate lines in a file without sorting it in Unix?

...f"; done – Nick K9 Jan 17 '19 at 18:05 @NickK9 that de-duping cumulatively across multiple files is awesome in itself....
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What is the difference between linear regression and logistic regression?

...(log, logit, inverse-log, etc.) you use, the interpretation is different. Error minimization technique Linear regression uses ordinary least squares method to minimise the errors and arrive at a best possible fit, while logistic regression uses maximum likelihood method to arrive at the solution. ...
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Why are only final variables accessible in anonymous class?

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TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi

I am getting TransactionManagementError when trying to save a Django User model instance and in its post_save signal, I'm saving some models that have the user as the foreign key. ...
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How to list all installed packages and their versions in Python?

... It doesn't support python 3 (just installed from pip and got runtime errors) – Ohad Cohen Apr 28 '18 at 13:57 add a comment  |  ...