4.22.1 Top new questions this week

4.22.1.1 List of symbols without built-in meaning

https://mathematica.stackexchange.com/questions/147328/list-of-symbols-without-built-in-meaning

 
Is there a list of all symbols with special display forms but no built-in meaning? That is, operators that are described in the tutorial Operators without Built-in Meanings?
 

- asked by Carl Woll (17 votes), answered by Carl Woll (17 votes)

4.22.1.2 Does Mathematica support deep links?

https://mathematica.stackexchange.com/questions/147374/does-mathematica-support-deep-links

 
So GitHub sent me on quite the journey, after it opened its desktop app from my browser. Copying the link I found something looking like: "github-mac://...". 
 
I spent the next like 15 minutes trying  ...
 

- asked by b3m2a1 (12 votes), answered by b3m2a1 (12 votes)

4.22.1.3 How and why to use monadic programming in Mathematica?

https://mathematica.stackexchange.com/questions/147679/how-and-why-to-use-monadic-programming-in-mathematica

 
This is a methodological question with two parts: 
 
 
How to use monadic programming in Mathematica? 
 
and 
Why use monadic programming in Mathematica? 
 
 
In my opinion the questions are inter-related --  ...
 

- asked by Anton Antonov 10votes

4.22.1.4 Google Drive API connection: (or how can I build a service connection to an OAuth2 service?)

https://mathematica.stackexchange.com/questions/147451/google-drive-api-connection-or-how-can-i-build-a-service-connection-to-an-oaut

 
From here I know how to build a a basic service connection. 
 
And that's fine in simple authentication cases but how do I do this for OAuth services? 
 
Even more specifically, how can I do this for  ...
 

- asked by b3m2a1 (10 votes), answered by b3m2a1 (9 votes)

4.22.1.5 Performance of Nest vs. Do

https://mathematica.stackexchange.com/questions/147545/performance-of-nest-vs-do

 
When I am iterating the logistic function using a pure function, comparing Do and Nest: 
 
x = 0.1; Do[x = 3 x (1 - x), 300] // RepeatedTiming 
Nest[3 # (1 - #) &, .1, 300] // RepeatedTiming 
 
 
 
...
 

- asked by Stitch (9 votes), answered by Karsten 7. (9 votes)

4.22.1.6 Huge arrows in 3D graphics

https://mathematica.stackexchange.com/questions/147586/huge-arrows-in-3d-graphics

 
H$\vphantom{a}$i. Consider the following code: 
 
f1 = Plot3D[-Exp[-x^2-y^2],{x,-5,5},{y,-5,5},PlotRange->All] 
f2 = Graphics3D[Table[{Arrowheads[.01],Arrow[{{2Cos[i],2Sin[i],0},{2.5Cos[i],  ...
 

- asked by AccidentalFourierTransform (9 votes), answered by Jens (9 votes)

4.22.1.7 Clean package update for API/FormFunctions on Wolfram Cloud

https://mathematica.stackexchange.com/questions/147330/clean-package-update-for-api-formfunctions-on-wolfram-cloud

 
Cross posted on community.wolfram.com (new comments) 
 
TLDR 
 
There is a pool of kernels/sessions available for each user, you don't have control over the pool only over specific kernel you currently  ...
 

- asked by Kuba (7 votes), answered by b3m2a1 (7 votes)