11.38.1 Top new questions this week

11.38.1.1 OptionValue for complicated cases
11.38.1.2 Recursive anonymous functions with  -> notation
11.38.1.3 How to enable "Go to Definition" across multiple ".m" files in VSCode with Wolfram Language extension?
11.38.1.4 Having defined some text with color how can I extract that color information?
11.38.1.5 Do we need to start the kernel again after quitting it?
11.38.1.6 How can I reduce RAM usage when using ParallelMap with large data?
11.38.1.7 The general solution from Solve does not simplify to the specific case
11.38.1.1 OptionValue for complicated cases

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=316921

The pair OptionsPattern/OptionValue gives a perfect mechanism for embedded Options into a custom function in Mathematica. But sometimes it is not sufficient. For example, when Options have complex ... 
[options] [optional-arguments]
 
asked by Konstantin https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=23256 Score of 4
answered by Acus https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=18792 Score of 0
11.38.1.2 Recursive anonymous functions with  -> notation

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=316940

We can define anonymous functions like this: 
 #^2+#+1 & 
 
or like this 
 x |-> x^2+x+1 
 
When we want to define a recursive ... 
[functions] [function-construction] [syntax] [recursive]
 
asked by jjagmath https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=63348 Score of 3
11.38.1.3 How to enable "Go to Definition" across multiple ".m" files in VSCode with Wolfram Language extension?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=316910

I'm using the  Wolfram Language  extension from Wolfram Research in VSCode to write Mathematica code. I mostly use it as an editor, and my code is organized into ... 
[vscode]
 
asked by internet https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=87122 Score of 3
answered by Acacia https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=86893 Score of 3
11.38.1.4 Having defined some text with color how can I extract that color information?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=316941

Making the definition 
 text = Style["Text", Darker[Green]]; 
 
I need to extract the color from the variable text. 
Among other things I've tried 
... 
[color] [text] [text-formatting]
 
asked by Phillip Dukes https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=94691 Score of 2
answered by azerbajdzan https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=53172 Score of 1
11.38.1.5 Do we need to start the kernel again after quitting it?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=316923

Do we need to start the kernel ( Evaluation  Start Kernel  Local ) again after selecting 
 Evaluation  Quit Kernel  Local  from ... 
[front-end]
 
asked by internet https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=87122 Score of 2
answered by Jason B. https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9490 Score of 3
11.38.1.6 How can I reduce RAM usage when using ParallelMap with large data?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=316930

Im using  ParallelMap  on a very large dataset (millions of elements), but it quickly consumes all available RAM. 
For example: 
... 
[parallelization] [memory] [resource-management]
 
asked by internet https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=87122 Score of 2
11.38.1.7 The general solution from Solve does not simplify to the specific case

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=316916

I am trying to get a solution of equation with many parameters. The general solution does not seem to reduce to a specific one. 
The specific solution with all parameters known is 
... 
[equation-solving]
 
asked by MMA13 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=26937 Score of 2
answered by cvgmt https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72111 Score of 4