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Add a custom attribute to a Laravel / Eloquent model on load?
I'd like to be able to add a custom attribute/property to an Laravel/Eloquent model when it is loaded, similar to how that might be achieved with RedBean's $model->open() method.
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Label encoding across multiple columns in scikit-learn
I'm trying to use scikit-learn's LabelEncoder to encode a pandas DataFrame of string labels. As the dataframe has many (50+) columns, I want to avoid creating a LabelEncoder object for each column; I'd rather just have one big LabelEncoder objects that works across all my columns of data. ...
Best way to check for nullable bool in a condition expression (if …)
I was wondering what was the most clean and understandable syntax for doing condition checks on nullable bools.
12 Answers...
Simple way to copy or clone a DataRow?
I'm looking for a simple way to make a clone of a DataRow. Kind of like taking a snapshot of that Row and saving it. The values of original Row are then free to change but we still have another saved copy which doesn't change. Is this the correct way to do it?
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Is there an expression for an infinite generator?
Is there a straight-forward generator expression that can yield infinite elements?
7 Answers
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How to refer to relative paths of resources when working with a code repository
We are working with a code repository which is deployed to both Windows and Linux - sometimes in different directories. How should one of the modules inside the project refer to one of the non-Python resources in the project (CSV files, etc.)?
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Why does !{}[true] evaluate to true in JavaScript?
{}[true] is [true] and ![true] should be false .
10 Answers
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What is the difference between Class and Klass in ruby?
What is the difference between Class and Klass?
4 Answers
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How to implement a many-to-many relationship in PostgreSQL?
I believe the title is self-explanatory. How do you create the table structure in PostgreSQL to make a many-to-many relationship.
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The conversion of a datetime2 data type to a datetime data type resulted in an out-of-range value
I have the following code in my HomeController:
23 Answers
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