8.15.1 Top new questions this week

8.15.1.1 How can I use variables instead of slots in DeleteCases?
8.15.1.2 Using circles with various radii and colors in ListPlot
8.15.1.3 Smart way to remove rules from lists, leaving just values, specifically from FindMinimum output
8.15.1.4 How to divide the second element of a list by a number
8.15.1.5 Finding words that start and end with same letter
8.15.1.6 How can I apply a function only to even-index elements of a list?
8.15.1.7 File Path name copy&paste- single/double backslash problem
8.15.1.1 How can I use variables instead of slots in DeleteCases?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=267725

Here is a toy example to illustrate my problem. I have a list of 3-tuples and I want to delete elements from this list that satisfy a condition shown below. 
... 
[functions] [function-construction]
 
asked by hana https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=82512 Score of 8
answered by Ben Izd https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=77079 Score of 10
8.15.1.2 Using circles with various radii and colors in ListPlot

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=267733

I have a big list that I'd want to plot using 'Listplot.' 
I replaced it with 
 list = Table[{x, -10 + Abs@(x^2)}, {x, -3, 3, 0.3}] 
 
I wish to have a plot as the below ... 
[plotting] [graphics] [color]
 
asked by Inzo Babaria https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=33967 Score of 7
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 Score of 6
8.15.1.3 Smart way to remove rules from lists, leaving just values, specifically from FindMinimum output

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=267520

I would like to know if there is a direct way to remove the rules from a list of rules. 
I know that, simply, this can be done with: 
... 
[list-manipulation] [replacement] [map] [rule] [coding-style]
 
asked by Joshua Salazar https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=43293 Score of 7
answered by bmf https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=85558 Score of 7
8.15.1.4 How to divide the second element of a list by a number

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=267798

I have the following list of number: 
... 
[list-manipulation]
 
asked by Michaels https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=48318 Score of 6
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 Score of 10
8.15.1.5 Finding words that start and end with same letter

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=267698

Why does this code run too slow? 
... 
[pattern-matching] [string-manipulation]
 
asked by FelipeAmorim https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=86340 Score of 6
answered by lericr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=84894 Score of 7
8.15.1.6 How can I apply a function only to even-index elements of a list?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=267624

 A = {1, 2, 3, 4, 5} 
and,  Dd[P_] := P + 1 
How can I map "Dd" into "A" such that the outcome is: {1, 3, 3, 5, ... 
[list-manipulation] [functions] [map]
 
asked by Ito https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=86317 Score of 6
answered by lericr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=84894 Score of 11
8.15.1.7 File Path name copy&paste- single/double backslash problem

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=267591

Shift+RightClick a file on windows explorer and select 'copy as path', then ctrl+v paste to mathematica notebook, then apply  FileExistsQ  : 
ex1) 
... 
[front-end] [import] [string-manipulation] [files-and-directories] [clipboard]
 
asked by imida k https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34532 Score of 6
answered by ihojnicki https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=18638 Score of 7