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Label encoding across multiple columns in scikit-learn
...ns parameter will result in every column being encoded (which I believe is what you were originally looking for):
MultiColumnLabelEncoder().fit_transform(fruit_data.drop('weight',axis=1))
This transforms
to
.
Note that it'll probably choke when it tries to encode attributes that are already ...
Visual Studio (2008) 'Clean Solution' Option
What does this option do? It is accessible from the Build menu.
7 Answers
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What exactly is Arel in Rails 3.0?
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What exactly is Arel in Rails 3.0?
It's an object model for an algebra of relational query operators.
I understand that it is a replacement for ActiveRecord
No, it isn't. It's a replacement for hand-crafting SQL queries in...
Intellij idea subversion checkout error: `Cannot run program “svn”`
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Basically, what IntelliJ needs is svn.exe. You will need to install Subversion for Windows. It automatically adds svn.exe to PATH environment variable. After installing, please restart IntelliJ.
Note - Tortoise SVN doesn't install svn....
Practical uses for the “internal” keyword in C#
Could you please explain what the practical usage is for the internal keyword in C#?
22 Answers
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MySQL - UPDATE multiple rows with different values in one query
...unlikely) then this approach will always create new records - probably not what is wanted.
However, this approach makes prepared statements easier to build and more concise.
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Pretty printing JSON from Jackson 2.2's ObjectMapper
... don't believe that code is absolutely necessary for this question, here's what I have right now:
8 Answers
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Can one AngularJS controller call another?
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What? Why? All controllers are injected by Angular's DI.
– Vojta
Mar 12 '12 at 19:43
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Canary release strategy vs. Blue/Green
...d will be the green. Wiki: > Many languages do not distinguish between what in English are described as "blue" and "green" and instead use a cover term spanning both - "grue"
– kinjelom
Jul 15 '18 at 14:13
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Return a value if no rows are found in Microsoft tSQL
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Thank you for adding this one! It's exactly what I need, as I could just SELECT ISNULL( (SELECT Id ... instead of 1 to get the data I was looking for!
– Jesse Smith
Feb 2 '12 at 19:34
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