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Midas DAQ System, Page 157 of 163
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ID
Date
Author
Topic
Subject
Text
2410
17 May 2022
Ben Smith
Info
MIDAS switched to C++
> - have you posted somewhere this guide
about converting C frontends to C++?
2439
14 Oct 2022
Ben Smith
Info
Allow onchange to refer to arbitrary js function
> I would like to use a function defined in
the <script> block of my custom page as an
onchange callback.
2473
21 Apr 2023
Ben Smith
Forum
Setup Midas with Caen vx2740 - ask for help
> I'm not able to find documentation what
is purpose of the RPC? Could someone give
any indicators how I can start debug this
2494
01 May 2023
Ben Smith
Bug Report
python issue with mathplot lib vs odb query
> it seams that there is a difference between
the to way of use the code, and that
> is sufficient the call to matplotlib to
2497
01 May 2023
Ben Smith
Bug Report
python issue with mathplot lib vs odb query
Looks like a localisation issue. Your floats
are formatted as "6,6584e+01", whereas the
JSON decoder expects "6.6584e+01".
2498
01 May 2023
Ben Smith
Bug Report
python issue with mathplot lib vs odb query
> Looks like a localisation issue. Your floats
are formatted as "6,6584e+01", whereas the
JSON decoder expects "6.6584e+01".
2521
31 May 2023
Ben Smith
Bug Report
Event builder fails at every 10 runs
> The event builder fails to initiate the
10th run since its startup,
> 'BM_NO_MEMORY: too many requests,'
2621
16 Oct 2023
Ben Smith
Bug Report
Python midas.file_reader get_eor_odb_dump()
Thanks for the bug report Gennaro!
I've fixed the code so that we'll now find
2634
22 Nov 2023
Ben Smith
Forum
run number from an external (*SQL) db?
> I wonder if there is a non-intrusive way
to have an external (wrt MIDAS)*SQL database
2682
22 Jan 2024
Ben Smith
Bug Report
Warnings about ODB keys that haven't been touched for 10+ years
We have an experiment that's been running
for a long time and has some ODB keys that
haven't been touched in ages. Mostly related
2703
05 Feb 2024
Ben Smith
Bug Fix
string --> int64 conversion in the python interface ?
> The symptoms are consistent with a string
--> int64 conversion not happening
> where it is needed.
2826
05 Sep 2024
Ben Smith
Forum
Python frontend rate limitations?
> What limits the rate that poll_func is called
in a python frontend?
2860
27 Sep 2024
Ben Smith
Forum
Python frontend rate limitations?
> in your case the limitation is likely that
you're sending 1.25MB per event and we have
a lot of data marshalling to do between the
2862
07 Oct 2024
Ben Smith
Bug Report
Difficulty running MIDAS on Rocky 9.4
> We're trying to install the SuperCDMS version
of MIDAS on a Rocky 9.4 Virtual
> Machine and are getting a persistent error
2933
20 Jan 2025
Ben Smith
Forum
mjsonrpc: how to increase the max allowed length of the callback response ?
> I'm using MIDAS javascript interface (mjsonrpc)
to communicate with a frontend from a custom
web page
2948
11 Mar 2025
Ben Smith
Bug Report
python hist_get_events not returning events, but javascript does
> Valid events are:
> Enter event name:
>
2953
17 Mar 2025
Ben Smith
Bug Report
python hist_get_recent_data returns no historical data
Unfortunately I again cannot reproduce this:
$ python ~/DAQ/midas_latest/python/examples/basic_hist_script.py
3115
13 Nov 2025
Ben Smith
Suggestion
Python sc_frontend.py Display and History variables
> > We would like to write an sc_frontend
in Python instead of C++. All our drivers
3222
06 May 2026
Ben Smith
Bug Fix
numpy version compatibility
> There seems to be a version dependency with
the numpy.bool
3284
06 Oct 2026
Ben Smith
Suggestion
Multithreaded PySequencer
> I looked into this now and it seems to work
but the issue is that even when using only
one sequencer with -c MyUniqueName
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