11.2.2 Greatest hits from previous weeks

11.2.2.1 How can I draw water level in a cylinder like this?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=306406

I see this question here and here.  I don't know how to start. I can 
 Graphics3D[Cylinder[], Boxed -> False] 
 
[graphics3d]
 

asked by minhthien_2016 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5320 Score of 18

answered by cvgmt https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72111 Score of 27

11.2.2.2 How to calculate contour integrals with Mathematica?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=34073

How to calculate the integral of $\frac{1}{\sqrt{4 z^2 + 4 z + 3}}$ over the unit circle counterclockwise for each branch of the integrand? 
[calculus-and-analysis] [complex]
 

asked by user64494 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=7152 Score of 46

answered by Artes https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=184 Score of 69

11.2.2.3 Standard deck of 52 playing cards in curated data?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=16108

I am not sure how to find out what all is included as curated data. For example, are the individual images of each of the 52 cards in a standard deck of playing cards included? 
 
If not, is there a way ... 
[curated-data]
 

asked by JohnD https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1629 Score of 27

answered by rm -rf https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5 Score of 24

11.2.2.4 How to export data to a plain text file?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=46867

I am preparing data used by a command line program. It requires data in a simpliest possible format: 
 
 value_x1 value_y1 
value_x2 value_y2 
... 
value_xN value_yN 
 
... 
[export] [files-and-directories] [streams]
 

asked by Misery https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=742 Score of 10

11.2.2.5 Finding Limits in several variables

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=21544

Is there a way to find a limit of a multivariable function, like 
 
$$\lim_{(x,y)\to (0,0)} f(x,y)$$ 
with Mathematica? 
 
When $f$ is continuous, we can use 
$$\lim_{(x,y)\to (0,0)} f(x,y)=\lim_{(x,0)\... 
[functions] [calculus-and-analysis]
 

asked by Dominic Michaelis https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5899 Score of 34

answered by whuber https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=91 Score of 44

11.2.2.6 Entering numbers in Scientific Notation?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=36792

I need to play with a lot of powers such as  10^-3 .  1E-3  does not work for it. Is there any short form for it? 
[number-representation]
 

asked by hhh https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=2000 Score of 84

answered by Joe https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=44710 Score of 4

11.2.2.7 How to use $\LaTeX$ for typesetting labels and titles in Mathematica

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=15884

I need to typeset large number of equations to be used for  PlotLabel  and  Titles  and such.  These have to look nice. Hence I use <... 
[formatting] [latex]
 

asked by Nasser https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=70 Score of 59

answered by Jens https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=245 Score of 47