ROOT - ROOT Forum

Topic	Replies	Views	Activity
Posting code? Read this first! This is more addressed to the newer people of this forum, but I think it would be a good refresher for some. USE CODE TAGS!!! What is so special about these things? For one, they help show where you code begins and end…	2	9382	March 27, 2018
About the ROOT category	0	2164	January 13, 2017
ROOT fails on my Mac after an update	1	14	April 17, 2026
TTreeProcessorMT deadlock in ROOT cmd line	3	17	April 17, 2026
Intermittent shutdown memory crash in compiled ROOT app (bus error / segfault / malloc smallbin corruption) with minimal reproducer	2	22	April 15, 2026
[Windows] ROOT 6.38 + Python 3.14: No module named 'libcppyy' [CEA 52284] python , windows	3	17	April 15, 2026
A memory leak with RDataFrame.AsNumpy() and vector<vector<vector<float>>> python	9	103	April 14, 2026
TBufferMerger fails to write histograms to output file for Alma Linux hist	7	47	April 13, 2026
Cannot connect to the RGeomViewer/THttpEngine	7	34	April 10, 2026
TImage DrawCircle cause core dump root	3	26	April 9, 2026
TGraph/TMultiGraph yaxis Ndivisions and range jsroot	9	43	April 7, 2026
Cling error on macOS 26.4 (Homebrew ROOT 6.38.04): missing libc++ header __type_traits/add_lvalue_reference.h and ABI warning	4	163	April 5, 2026
ROOT error after the new command line tool update : "Command Line Tools for Xcode 26.4" root	1	44	April 4, 2026
Large changes in branch sizes in later builds of ROOT root	6	78	April 1, 2026
Problem deleting TList of TCanvases	6	50	April 6, 2026
Installation issue with MacOS installation	4	55	April 3, 2026
Rootcling warnings when compiling ROOT 6.36.08 with C++23 root	3	45	April 3, 2026
Setting kEntriesReshuffled when using RDatasetSpec tree , python , rdataframe	8	49	March 25, 2026
JSROOT: Tooltip callback click handler for TGraphs jsroot	6	32	March 24, 2026
PyROOT changed handling of multidimensional branches between ROOT 6.32 and 6.34	3	52	March 23, 2026
How to explore RNTuples in the interpreter	6	71	March 20, 2026
Besides one dimensional integrals and derivatives, what other types of integrals and derivatives can Root calculate?	22	95	March 18, 2026
Simplier way to get full statistics of a RVec branch using RDataFrame? rdataframe	2	36	March 18, 2026
Time difference between two dates	2	28	March 16, 2026
Problems Loading Root to MacBook	19	268	March 16, 2026
PyROOT still not working on macOS python	3	33	March 16, 2026
Wrong conversion of bool array to numpy array root	3	45	March 11, 2026
Missing numpy.uint8 pythonisation in SetBranchAddress in ROOT 6.38 python	3	47	March 11, 2026
RDataFrame and suitability for rapid iterative passes through datasets root , rdataframe	9	95	March 10, 2026
Ideal way to filter common events between two trees?	4	43	March 1, 2026

Posting code? Read this first!

This is more addressed to the newer people of this forum, but I think it would be a good refresher for some. USE CODE TAGS!!! What is so special about these things? For one, they help show where you code begins and end…