Here I have another suggestion, this time about our Gravity's CLI. I come up with this list of improvements which I think should benefit the project:

• If no arguments passed it should display help section instead of opening REPL
• To open REPL add a new flag for example gravity --repl
• gravity new [project] - a new simple command to create new project. (A wizard which helps with co

Current Logging Workshop section pertains specifically to Gravity 5.5 and earlier.

Logging stack has changed in 6.X+, training should be expanded to reflect the changes.

TiDB supports online schema change natively while MySQL often leverages tools like gh-ost. For task syncing from MySQL to TiDB, we'd better come up with a solution.

@xialuo1990 could you list ddl stmts gh-ost would execute during schema change?

The linter we use already has some changes from the original (I gave it Python 3 support sometime around 2015, I think we did something about if constexpr, etc.), but it was never put under source control; we should put it on github (maybe as a fork of https://github.com/google/styleguide, or of https://github.com/cpplint/cpplint which seems to actually be maintained, maybe just on its own).

Hi, there is a small typo in the documentation of the function

reduce_to_pole

in fatiando.gravmag.transform. A square is missing in the numerator at

    RTP(k_x, k_y) = \frac{|k|}{
        a_1 k_x^2 + a_2 k_y^2 + a_3 k_x k_y +
        i|k|(b_1 k_x + b_2 k_y)}

(i.e, it should be \frac{|k|^2}{ ), same for the link

https://www.fatiando.org/api/gravmag.transform.html#fa

• Also add corresponding unittest that runs an example of each
  This might help address issues such as in #3159

For hydrostatic atmospheres, we have different approaches depending on the solver. These should be documented together with the test problems.

You show 3 interesting examples, but only a single Constants.h. Maybe include a examples/ dir or something with interesting sets of parameters?

Description of the desired feature

Currently Harmonica has functions to compute distances between points defined in Cartesian coordinates or in spherical geocentric coordinates. Would be nice if we add a function to compute Euclidean distances between points whose coordinates are defined in geodetic (ellipsoidal) coordinates (don't confuse it with great circle distances).
Worth noting that