 27 Nov 2025, Konstantin Olchanski, Info, switch midas to c++17
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>
> set(CMAKE_CXX_STANDARD 17)
> set(CMAKE_CXX_STANDARD_REQUIRED ON)
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27 Nov 2025, Konstantin Olchanski, Forum, Control external process from inside MIDAS
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> Rather than investing time to re-invent the wheel here, better try to modify your EPICS driver process to
become a midas process.
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28 Nov 2025, Konstantin Olchanski, Suggestion, mvodb WS and family type matching
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> > 2) "advanced" c++ code:
> >
> > void foo(const std::string& xxx) { ... };
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28 Nov 2025, Konstantin Olchanski, Suggestion, mvodb WS and family type matching
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Just in time, enter std::string_view.
https://stackoverflow.com/questions/40127965/how-exactly-is-stdstring-view-faster-than-const-stdstring
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 01 Dec 2025, Konstantin Olchanski, Bug Fix, mvodb updated
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I updated mvodb and test_mvodb. MIDAS ODB and JSON ODB now implement all API
functions. ReadKey, ReadDir and ReadKeyLastWritten were previously missing from
some implementations.
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01 Dec 2025, Konstantin Olchanski, Info, MIDAS RPC add support for std::string and std::vector<char>
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> This is moving slowly. I now have RPC caller side support for std::string and
> std::vector<char>. RPC server side is next. K.O.
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14 Feb 2020, Konrad Briggl, Forum, Writting Midas Events via FPGAs
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Hello Stefan,
is there a difference for the later data processing (after writing the ring buffer blocks)
if we write single events or multiple in one rb_get_wp - memcopy - rb_increment_wp cycle?
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02 Mar 2007, Kevin Lynch, Forum, event builder scalability
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> Hi there:
> I have a question if there's anybody out there running MIDAS with event builder
> that assembles events from more that just a few front ends (say on the order of
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15 Dec 2016, Kevin Giovanetti, Bug Report, midas.h error
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creating a frontend on MAC Sierra OSX 10
include the midas.h file and when compiling with XCode I get an error based on
this entry in the midas.h include
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30 Oct 2018, Joseph McKenna, Bug Report, Side panel auto-expands when history page updates
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One can collapse the side panel when looking at history pages with the button in
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31 Oct 2018, Joseph McKenna, Bug Report, Side panel auto-expands when history page updates
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> >
> >
> > One can collapse the side panel when looking at history pages with the button in
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14 Oct 2019, Joseph McKenna, Forum, tmfe.cxx - Future frontend design
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Hi,
I have been looking at the 2019 workshop slides, I am interested in the C++ future of MIDAS.
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18 Oct 2019, Joseph McKenna, Info, sysmon: New system monitor and performance logging frontend added to MIDAS 
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I have written a system monitor tool for MIDAS, that has been merged in the develop branch today: sysmon
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03 Dec 2019, Joseph McKenna, Info, mfe.c: MIDAS frontend's 'Equipment name' can embed hostname, determined at run-time
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A little advertised feature of the modifications needed support the msysmon program is
that MIDAS equipment names can support the injecting of the hostname of the system
running the frontend at runtime (register_equipment(void)).
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01 May 2020, Joseph McKenna, Forum, Taking MIDAS beyond 64 clients
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Hi all,
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02 May 2020, Joseph McKenna, Forum, Taking MIDAS beyond 64 clients
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Thank you very much for feedback.
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19 Nov 2020, Joseph McKenna, Forum, History plot consuming too much memory
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A user reported an issue that if they were to plot some history data from
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20 Nov 2020, Joseph McKenna, Forum, History plot consuming too much memory
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Poking at the behavior of this, its fairly clear the slow response is from the data
being loaded off an HDD, when we upgrade this system we will allocate enough SSD
storage for the histories.
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27 May 2021, Joseph McKenna, Info, MIDAS Messenger - A program to send MIDAS messages to Discord, Slack and or Mattermost
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I have created a simple program that parses the message buffer in MIDAS and
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28 May 2021, Joseph McKenna, Info, MIDAS Messenger - A program to forward MIDAS messages to Discord, Slack and or Mattermost merged
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A simple program to forward MIDAS messages to Discord, Slack and or Mattermost
(Python 3 required)
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