9.18.1 Top new questions this week

9.18.1.1 Is it possible to make a custom syntax coloring for "=", "==", and "==="?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=285687

I have made this type mistake so many times: 
 Which[a=b,expr1,True,expr2] 
 
as opposed to the intended but still correct syntax 
... 
[front-end] [syntax-highlighting]
 

asked by Craig Carter https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12461 Score of 7

answered by Domen https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=75628 Score of 6

9.18.1.2 How to quickly make a rectangular array of continous 1 and 0 given the start position of 1

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=285671

I would like to make a rectangular array of  1  and  0  with continuous columns of  1 . 
We are ... 
[list-manipulation] [matrix] [performance-tuning] [sparse-arrays]
 

asked by IntroductionToProbability https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=60568 Score of 7

answered by Roman https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=26598 Score of 8

9.18.1.3 Delete special part from a list using Mathematica

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=285470

I have a list like this: 
 {{-0.0019,1},{-0.0018,2},...,{0,11},{0.001,6},...} 
 
I need to make a new list that start from zero value. like this: 
... 
[list-manipulation]
 

asked by caren https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=92127 Score of 6

answered by Nasser https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=70 Score of 7

9.18.1.4 Check if a string is a date

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=285630

I have a list of strings, 
 {"BD4675365", "Corp", "Managers", "Syndicate", "2021-03-08", "8434926"} 
 
and I ... 
[list-manipulation] [filtering] [date-and-time]
 

asked by apg https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=35029 Score of 5

answered by Daniel Huber https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=46318 Score of 9

9.18.1.5 Split string at first space?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=285572

How can I split a string at the first space character in it? 
For example, "First I. Last, Jr." should become {"First","I. Last, Jr."}. 
[string-manipulation]
 

asked by murray https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=148 Score of 5

answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 Score of 13

9.18.1.6 Is there a way to add a tooltip to points on the x axis?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=285376

I have a list of values associated with the xaxis, but I do not want to plot them as y values. Rather I want to do something like "TickLabels" in Matlab, but make them Tooltips (because they ... 
[plotting] [ticks] [tooltip]
 

asked by Indiana https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=35437 Score of 5

answered by Syed https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=81355 Score of 5

9.18.1.7 Getting a series expansion for implicitly defined function

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=285645

I have a function $f(r)$ defined as $x$ satisfying $g(r,x)=0$. 
How do I get a series expansion of $f(r)$ around $r=\infty$? 
Function $f(r)$ below is unexpectedly linear, and I'm trying to get a closed ... 
[equation-solving] [calculus-and-analysis] [special-functions]
 

asked by Yaroslav Bulatov https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=217 Score of 4

answered by Michael E2 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4999 Score of 6