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What are good uses for Python3's “Function Annotations”
Function Annotations: PEP-3107
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What are the differences between PMD and FindBugs?
There was a question comparing PMD and CheckStyle . However, I can't find a nice breakdown on the differences/similarities between PMD and FindBugs. I believe a key difference is that PMD works on source code, while FindBugs works on compiled bytecode files. But in terms of capabilities, should it ...
schema builder laravel migrations unique on two columns
How can I set a unique constraints on two columns?
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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. ...
How can I alter a primary key constraint using SQL syntax?
I have a table that is missing a column in its primary key constraint. Instead of editing it through SQL Server, I want to put this in a script to add it as part of our update scripts.
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What is the maximum characters for the NVARCHAR(MAX)?
I have declared a column of type NVARCHAR(MAX) in SQL Server 2008, what would be its exact maximum characters having the MAX as the length?
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SparseArray vs HashMap
I can think of several reasons why HashMap s with integer keys are much better than SparseArray s:
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List of standard lengths for database fields
I'm designing a database table and once again asking myself the same stupid question: How long should the firstname field be?
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How do you use “
I just finished reading about scoping in the R intro , and am very curious about the <<- assignment.
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how to “reimport” module to python then code be changed after import
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