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FooBar has asked 64 questions and find answers to 37 problems.

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FooBar questions

Sympy: Numerically find root of a symbolic function
Summing over all but one axis
R: Drop columns from data.table, by reference, without having the name
Matplotlib: Different colors for each date, labelled via colorbar
Multiple Heatmap Subplots: Same Heatbar
Create a data frame from object
Twinx/Secondary-y: Do not start with first color
scipy.optimize.minimize : ValueError: all the input arrays must have same number of dimensions
Matplotlib and latex beamer: Correct size
R: Warning when creating a (long) list of dummies

FooBar answers

Selecting columns from pandas MultiIndex
Pandas aggregate -- how to retain all columns
Python: numpy/pandas change values on condition
Python Pandas: Keeping only dataframe rows containing first occurrence of an item
Get number of busy CPUs in Python
Combination of PyCharm and ipython fails to import qt5 or Qt5Agg
pandas: FloatingPointError with np.seterr(all='raise') and missing data
pandas: How to find the max n values for each category in a column
How to merge two dataframe in pandas to replace nan
How to calculate percentage with Pandas' DataFrame