GitLab

* fixed cpplint errors

* fixed more cpplint errors

* Update setup.sh

* install only binary R packages on macOS

* speed up for const hessian

* rename template

* fix clang build

* template init

* add comment

* refix

* fix config

* avoid to rely on config

* reduce overhead of get num_threads

* add warning

* Apply suggestions from code review

* Apply suggestions from code review

* speed up multi-val bin subset for bagging

* remove the duplicated codes

* code refine

* some codes refactoring

* move `is_constant_hessian` into `TrainingShareStates`

* refine

* fix bug

* fix bug when num_groups_ < 0

* fix gpu

* fix gpu bagging

* fix gpu bug

* typo

* Update src/treelearner/serial_tree_learner.h

* don't cache `num_thread`, to avoid change outside

* rename

* update document

* Update docs/Parameters.rst

* Update include/LightGBM/config.h

* Apply suggestions from code review
Co-Authored-By: Nikita Titov <nekit94-08@mail.ru>

* Apply suggestions from code review
Co-Authored-By: Nikita Titov <nekit94-08@mail.ru>
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* add debug mode in camke

* add debug dll

* Apply suggestions from code review
Co-Authored-By: Nikita Titov <nekit94-08@mail.ru>

* fix naming

* Apply suggestions from code review

* Apply suggestions from code review

* Update LightGBM.sln

* refine

* run MPI job in debug mode

* document USE_DEBUG and USE_TIMETAG
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* update lockbot

* disable lockLabel

* Update lock.yml
Co-authored-by: Guolin Ke <guolin.ke@outlook.com>

* fix

* Update multi_val_sparse_bin.hpp

* Update BUG_REPORT.md

* Update .github/ISSUE_TEMPLATE/BUG_REPORT.md
Co-Authored-By: Nikita Titov <nekit94-08@mail.ru>
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* avoid most_freq_bin to be 0 in categorical features

* Apply suggestions from code review

* add tests

* update test

* Apply suggestions from code review

* Apply suggestions from code review

* removed unused includes

* fixed index

* Create lock.yml

* Update lock.yml

* code refactoring

* update vcproject

* refine

* fix test

* Update tests/python_package_test/test_sklearn.py

* fix test

* fix bagging

* fixed cpplint issues

* updated docs
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* add Link Time Code Generation

* remove ltcg

* Apply suggestions from code review

* bump Azure image versions

* fixed Windows builds

* fxied pandas deprecation warning in tests

* support old versions of pandas

* replace std::runtime_error with Log::Fatal

* Update c_api.cpp

* fix random threshold for categorical features

* fixed indents
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* Make timer thread-safe

* Update common.h

* refines

* fixed cpplint issues

* fixed cpplint issues

* fix bug when nan bin is most freq bin

* fix naming

* fix bug

* add test

* Apply suggestions from code review

* fix more bugs

* added possibility to render nested sections in params

* reorganize param sections

* reorder params

* try the fix

* fix 2

* try clang

* Apply suggestions from code review

* get back to gcc
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* [R-package] Fixed R implementation of upper_bound() and lower_bound() for lgb.Booster

* [R-package] switched return type to double

* fixed  R tests on Booster upper_bound() and lower_bound()

* fixed linting

* moved numeric tolerance into a global constant

[R-package] [docker] Added ability to build LightGBM in an R container with different R versions (#2787)