 30 Apr 2025, Pavel Murat, Info, New ODB++ API
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| it is a very convenient interface! Does it support the ODB links in the path names ? -- thanks, regards, Pasha |
 05 May 2025, Konstantin Olchanski, Info, db_delete_key(TRUE)
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I was working on an odb corruption crash inside db_delete_key() and I noticed
that I did not test db_delete_key() with follow_links set to TRUE. Then I noticed
that nobody nowhere seems to use db_delete_key() with follow_links set to TRUE.
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05 May 2025, Stefan Ritt, Info, db_delete_key(TRUE)
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I would handle this actually like symbolic links are handled under linux. If you delete a symbolic link, the link gets
detected and NOT the file the link is pointing to.
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24 May 2025, Pavel Murat, Info, ROOT scripting for MIDAS seems to work pretty much out of the box 
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Dear All,
I'm pretty sure many know this already, however I found this feature by a an accident
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03 Jun 2025, Thomas Lindner, Info, MIDAS workshop (online) Sept 22-23, 2025
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Dear all,
We have setup an indico page for the MIDAS workshop on Sept 22-23. The page is here
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10 Jun 2025, Amy Roberts, Info, use of modified image showing MIDAS data format?
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Hello, I'm currently writing a paper about making a dataset publicly available
from the University of Minnesota and it's a MIDAS dataset.
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10 Jun 2025, Stefan Ritt, Info, use of modified image showing MIDAS data format?
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> Hello, I'm currently writing a paper about making a dataset publicly available
> from the University of Minnesota and it's a MIDAS dataset.
>
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10 Jun 2025, Stefan Ritt, Info, History configuration changed
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Today the way the history system is configured has changed. Whenever one adds new equipment
variables, the logger has to add that variable to the history system. Previously, this happened during
startup of the logger and at run start. We have now a case in the Mu3e experiment where we have many
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11 Jun 2025, Stefan Ritt, Info, Frontend write cache size
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We had issues with the frontend write cache size and the way it was implemented in the frontend
framework mfe. Specifically, we had two equipments like in the experiment/examples/frontend.cxx, one
trigger event and one periodic event. While the trigger event sets the cache size correctly in the
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13 Jul 2025, Zaher Salman, Info, PySequencer
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As many of you already know Ben introduced the new PySequencer that allows running python scripts from MIDAS. In the last couple of month we have been working
on integrating it into the MIDAS pages. We think that it is now ready for general testing.
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08 Sep 2025, Thomas Lindner, Info, MIDAS workshop (online) Sept 22-23, 2025
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Dear all,
A reminder we will have our MIDAS workshop starting two weeks from today (Sept 22-23). The
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18 Sep 2025, Thomas Lindner, Info, MIDAS workshop (online) Sept 22-23, 2025
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Dear all,
A final reminder that the MIDAS workshop will be occurring next Monday and Tuesday (at least in Europe
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22 Sep 2025, Thomas Lindner, Info, MIDAS workshop (online) Sept 22-23, 2025
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Dear all,
The original zoom link on the indico page was not correct. We have created a new zoom link and updated the
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22 Sep 2025, Konstantin Olchanski, Info, switch midas to next c++
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As part of discussions with Stefan during the MIDAS workshop,
an update to supported versions of c++ on different platforms.
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22 Sep 2025, Konstantin Olchanski, Info, switch midas to c++17
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Following discussions at the MIDAS workshop, we propose to move MIDAS from c++11 to c++17. There is
many new features and we want to start using some of them.
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22 Sep 2025, Konstantin Olchanski, Info, removal of ROOT support in mlogger
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Historically, building MIDAS with ROOT caused us many problems - build failures because of c++ version
mismatch, CFLAGS mismatch; run-time failures because of ROOT library mismatches; etc, etc.
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22 Sep 2025, Konstantin Olchanski, Info, obsolete mana.c removal
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Following discussions at the MIDAS workshop and the proposed removal of support for ROOT, the very obsolete mana.c
analyzer framework has reached the end of the line.
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23 Sep 2025, Andreas Suter, Info, obsolete mana.c removal
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Hi,
at the LEM Experiment at PSI, we still use mana.c and would like to keep it until end of 2026, where we will enter a long shutdown.
There we will switch to the manalyzer. Before that, there is simply no time for the change over. One thing I already noticed is the "lack" of documentation, |
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23 Sep 2025, Konstantin Olchanski, Info, obsolete mana.c removal
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> Hi, at the LEM Experiment at PSI, we still use mana.c and would like to keep it until end of 2026, where we will enter a long shutdown.
Excellent, good to hear from you! Once we remove ROOT support rmana.o will be gone, only mana.o (no ROOT) will remain. Will this break your builds?
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23 Sep 2025, Konstantin Olchanski, Info, 64-bit time_t
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To record discussion with Stefan regarding 64-bit time_t
To remember:
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