Sergey Linev

Properly use `Copy(TObject &)` methods in `hist` classes

13

This is virtual method and can be overriden in derived classes. Therefore when such method used in copy constructor or assignment operator, one have to explicitly specify class which used....

Use `nullptr` instead of 0 and NULL in math classes headers

2

Allows to use `-Wzero-as-null-pointer-constant` compiler flag for derived objects

Use nullptr in cling

7

Avoid warnings when -Wzero-as-null-pointer-constant is specified

[cmake] always check if `json_fwd.hpp` header provided

12

If external version of `nlohmann/json.hpp` is provided, always test if json_fwd.hpp is there. If not, one only can use versions 3.9 .. 3.10, for which forward declaration match to included...

[core] Introduce suffix in `TSystem::TempFileName()` method

16

Allows to specify extension of temporary-created file. Used in webgui to create temporary html files to start web widgets

[cmake] properly use nlohmann in ctest

9

If external nlohmann/json.hpp used in ROOT, it also has to be used in the tests Should fix #14769

[webgui] use `--headless=new` mode for chrome

23

I manage to reproduce error on my docker and seems to be `--headless=new` is a solution. Let see

[http] let use external civetweb

7

With `-Dbuiltin_civetweb=OFF` one can try to find and build ROOT with external version of civetweb. But this external version should be compiled with websocket support - which is not always...