8.34.3 Can you answer these questions?

8.34.3.1 How to get the color from a plot?
8.34.3.2 Extra whitespace around graphics when using PlotTheme -> Scientific
8.34.3.3 Comparing two texts, looking for matching phrases
8.34.3.1 How to get the color from a plot?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=274844

I need to get the color from cells of the plot built by  ArrayPlot[]  or  MatrixPlot[]  for later use in, e.g.,  ... 
[plotting] [color]
 
asked by Konstantin https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=23256 Score of 2
answered by Chris Degnen https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=363 Score of 0
8.34.3.2 Extra whitespace around graphics when using PlotTheme -> Scientific

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=274919

Sometimes when I use  PlotTheme -> "Scientific"  I get a bunch of extra whitespace on the output of the graphics. For example, with this code there is a ... 
[plotting] [graphics] [front-end]
                                                                                  

                                                                                  
 
asked by Diffycue https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=46327 Score of 1
8.34.3.3 Comparing two texts, looking for matching phrases

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=274838

I would like to compare two human-language, user-supplied texts. Call them Text A and Text B. Each is the length of a fat novel, i.e., around 150,000 words. 
Is there a tool that can help me find all ... 
[text] [indexing]
 
asked by du_toit https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=88634 Score of 1