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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. ...
Does Python have a string 'contains' substring method?
I'm looking for a string.contains or string.indexof method in Python.
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What is the status of JSR 305?
I have seen the question JSR305 vs. JSR308 (Java Type Anotations) - Which is going to be the standard? and I understand the difference between JSR 308 and JSR 305 .
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Reliable timer in a console application
I am aware that in .NET there are three timer types (see Comparing the Timer Classes in the .NET Framework Class Library ). I have chosen a threaded timer as the other types can drift if the main thread is busy, and I need this to be reliable.
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Type hinting a collection of a specified type
Using Python 3's function annotations, it is possible to specify the type of items contained within a homogeneous list (or other collection) for the purpose of type hinting in PyCharm and other IDEs?
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PHP - Modify current object in foreach loop
I was wondering if it is possible to edit the current object that's being handled within a foreach loop
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Why are there two build.gradle files in an Android Studio project?
After having imported an Eclipse project into Android Studio, I see two build.gradle files:
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How to make a variadic macro (variable number of arguments)
I want to write a macro in C that accepts any number of parameters, not a specific number
5 Answers
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Difference between class and type
Being new to Java, I'm confused between the concepts of class and type .
For example, should the object "Hello World!" belong to the type String or class String ? Or maybe both?
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Embedding Python in an iPhone app
So it's a new millennium; Apple has waved their hand; it's now legal to include a Python interpreter in an iPhone (App Store) app.
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