 12 Feb 2021, Konstantin Olchanski, Bug Report, mlogger history snafu
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there is a problem with mlogger between commits xxx (17 Nov 2020) and a762bb8 (12 feb 2021). because of
confusion between seconds and milliseconds, FILE (mhf*.dat files) and SQL history are recording with
incorrect timestamps.
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24 Feb 2021, Zaher Salman, Bug Report, history reload
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I have a history that is embedded in a custom page using
<div class="mjshistory" data-group="SampleCryo" data-panel="SampleTemp" data-scale="30m" style="'+size+' position: relative;left: 640px;top: -205px;"></div>
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 25 Feb 2021, Stefan Ritt, Bug Report, history reload
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I have to reproduce the problem. Can you please send me the full link by direct email. As you know, I'm also at PSI.
Stefan |
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25 Feb 2021, Lars Martin, Forum, TMFePollHandlerInterface timing
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Am I right in thinking that the TMFE HandlePoll function is calle once per
PollMidas()? And what is the difference to HandleRead()? |
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25 Feb 2021, Konstantin Olchanski, Forum, TMFePollHandlerInterface timing
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> Am I right in thinking that the TMFE HandlePoll function is calle once per
> PollMidas()? And what is the difference to HandleRead()?
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18 Feb 2021, Pintaudi Giorgio, Bug Report, Unexpected end-of-file
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Hello!
Sometimes when I mess around with the history plots I get the following error:
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18 Feb 2021, Pintaudi Giorgio, Bug Report, Unexpected end-of-file 
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It appears that the issue is trigger by a nonexisting Event and Variable as shown
in the attached picture. This issue can arise when restoring the ODB from a
previous version or importing ODB values from other MIDAS instances.
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25 Feb 2021, Konstantin Olchanski, Bug Report, Unexpected end-of-file
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> > [mhttpd,ERROR] [history.cxx:97:xread,ERROR] Error: Unexpected end-of-file when
> > reading file "/home/wagasci-ana/Data/online/210219.hst"
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10 Feb 2021, Isaac Labrie Boulay, Forum, Javascript error during run transitions.
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Hi all,
I am encountering a Javascript error (TypeError: client.error is undefined) when
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10 Feb 2021, Konstantin Olchanski, Forum, Javascript error during run transitions.
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> I am encountering a Javascript error (TypeError: client.error is undefined) when
> I transition between run states. Does anybody have an idea of what my problem
> might be? I have pasted an example of what MIDAS logs during such sequences.
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11 Feb 2021, Isaac Labrie Boulay, Forum, Javascript error during run transitions.
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> > I am encountering a Javascript error (TypeError: client.error is undefined) when
> > I transition between run states. Does anybody have an idea of what my problem
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25 Feb 2021, Konstantin Olchanski, Forum, Javascript error during run transitions.
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>
> I have also attached a screen capture of the output.
>
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25 Feb 2021, Lars Martin, Bug Report, tmfe_main.cxx missing include <signal.h>
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The most recent commit (b43aef648c2f8a7e710a327d0b322751ae44afea) throws this
compiler error:
src/tmfe_main.cxx:39:11: error: 'SIGPIPE' was not declared in this scope
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25 Feb 2021, Konstantin Olchanski, Bug Report, tmfe_main.cxx missing include <signal.h>
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> The most recent commit (b43aef648c2f8a7e710a327d0b322751ae44afea) throws this
> compiler error:
> src/tmfe_main.cxx:39:11: error: 'SIGPIPE' was not declared in this scope
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26 Feb 2021, Lars Martin, Bug Report, tmfe_main.cxx missing include <signal.h>
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> BTW, for production use I recommend midas from the "release" branches, unless one
> needs a bug fix or new feature from the development branch.
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02 Mar 2021, Konstantin Olchanski, Info, shortest possible sleep
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since I am implementing a polled equipment, I was curious what is the smallest possible sleep time on current computers.
in current UNIX, there are 2 system calls available for sleeping: select() (with microsecond granularity) and nanosleep() (with nanosecond granularity).
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02 Mar 2021, Stefan Ritt, Info, shortest possible sleep
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Why do you need that? Periodic equipment typically runs ever ten seconds or so, meaning one can do this easily in a scheduler.
For polled equipment, you don't want to sleep at all. Because if you sleep, you might miss an event. That's why I put my poll in mfe.c into a for() loop. |
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03 Mar 2021, Konstantin Olchanski, Info, shortest possible sleep
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> Why do you need that?
UNIX/POSIX advertises functions for sleeping in microseconds and nanoseconds,
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25 Feb 2021, Isaac Labrie Boulay, Bug Report, Undefined client causing issues in transition.
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Hi all,
I'm currently experiencing an issue during run transitions. It comes in the form
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25 Feb 2021, Konstantin Olchanski, Bug Report, Undefined client causing issues in transition.
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Clearly something goes wrong with the STARTABORT transition. Actually from your
sceenshot, it is not clear why the STARTABORT transition was initiated.
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26 Feb 2021, Isaac Labrie Boulay, Bug Report, Undefined client causing issues in transition.
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> Clearly something goes wrong with the STARTABORT transition. Actually from your
> sceenshot, it is not clear why the STARTABORT transition was initiated.
>
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26 Feb 2021, Konstantin Olchanski, Bug Report, Undefined client causing issues in transition.
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So there is no error on run start anymore? To debug the stuck run stop, please use "stop -v"
to see where it got stuck. You can also play with the RPC timeouts (the connect timeout and
the response timeout), to make it get "unstuck" quicker. Definitely it should not be stuck
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26 Feb 2021, Isaac Labrie Boulay, Bug Report, Undefined client causing issues in transition.
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> So there is no error on run start anymore? To debug the stuck run stop, please use "stop -v"
> to see where it got stuck. You can also play with the RPC timeouts (the connect timeout and
> the response timeout), to make it get "unstuck" quicker. Definitely it should not be stuck
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03 Mar 2021, Konstantin Olchanski, Bug Report, Undefined client causing issues in transition.
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> It does not get stuck if I run my DAQ using the odbedit commands (start/stop).
Interesting. Run start/stop from odbedit works but from mhttpd gets stuck.
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01 Mar 2021, Marius Koeppel, Forum, Using JSROOT.openFile with Midas
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Hi everyone,
I am currently trying to access a ROOT file produced by manalyzer. By calling JSROOT.openFile("MIDAS_DOMAIN/outputRUN.root"). I can download the rootfile |
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03 Mar 2021, Konstantin Olchanski, Forum, Using JSROOT.openFile with Midas
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>
> I am currently trying to access a ROOT file produced by manalyzer. By calling JSROOT.openFile("MIDAS_DOMAIN/outputRUN.root"). I can download the rootfile
via MIDAS_DOMAIN/outputRUN.root. Using JSROOT.openFile results in an 501 error,
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04 Mar 2021, Marius Koeppel, Forum, Using JSROOT.openFile with Midas
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Thank you for the answer :)
> At some point I would like to provide a function to "get" TAFlowEvent objects so you can do things
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04 Mar 2021, Konstantin Olchanski, Forum, Using JSROOT.openFile with Midas
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well, if this is something in ROOT, perhaps you can pursue it with the ROOT crowd,
they are quite friendly.
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04 Mar 2021, Stefan Ritt, Forum, Using JSROOT.openFile with Midas
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I also need midas events going back to the browser for single event display, so put +1 for me.
Please also consider to use JavaScript typed arrays instead of JSON. For large midas banks, type
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04 Mar 2021, Marius Koeppel, Forum, Using JSROOT.openFile with Midas
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> would this work for what you are doing?
Yes, having such a function would be perfect for the applications I have a the moment.
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05 Mar 2021, Svetlana Chesnevskaya, Bug Report, New MIDAS old frontend incompatibility
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Hello!
Could you help me solve the problem of compatibility between our frontend (created in 2017) and the fresh MIDAS? The old MIDAS (2017) worked well, then |
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22 Sep 2020, Frederik Wauters, Forum, INT INT32 in experim.h
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For my analyzer I generate the experim.h file from the odb.
Before midas commit 13c3b2b this generates structs with INT data types. compiles fine with my analysis code (using the old mana.cpp)
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22 Sep 2020, Konstantin Olchanski, Forum, INT INT32 in experim.h
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> For my analyzer I generate the experim.h file from the odb.
>
> Before midas commit 13c3b2b this generates structs with INT data types. compiles fine with my analysis code (using the old mana.cpp)
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09 Mar 2021, Andreas Suter, Forum, INT INT32 in experim.h
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> > For my analyzer I generate the experim.h file from the odb.
This issue is still open. Shouldn't midas.h provide the 'new' data types as typedefs like
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10 Mar 2021, Stefan Ritt, Forum, INT INT32 in experim.h
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Ok, I added
/* define integer types with explicit widths */
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15 Mar 2021, Frederik Wauters, Forum, INT INT32 in experim.h
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works!
> Ok, I added
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30 Mar 2021, Konstantin Olchanski, Forum, INT INT32 in experim.h
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> >
> > /* define integer types with explicit widths */
> > #ifndef NO_INT_TYPES_DEFINE
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04 Apr 2021, Konstantin Olchanski, Info, bk_init32a data format
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In April 4th 2020 Stefan added a new data format that fixes the well known problem with alternating banks being
misaligned against 64-bit addresses. (cannot find announcement on this forum. midas commit
https://bitbucket.org/tmidas/midas/commits/541732ea265edba63f18367c7c9b8c02abbfc96e)
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13 Apr 2021, Konstantin Olchanski, Info, bk_init32a data format
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Until commit a4043ceacdf241a2a98aeca5edf40613a6c0f575 today, mdump mostly did not work with bank32a data.
K.O.
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12 Apr 2021, Isaac Labrie Boulay, Forum, Client gets immediately removed when using a script button.
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Hi all,
I'm running into a curious problem when I try to run a program using my custom
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12 Apr 2021, Ben Smith, Forum, Client gets immediately removed when using a script button.
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> if I use the script button, the logic_controller program is immediately deleted by MIDAS.
This is indeed very curious, and I can't reproduce it on my test experiment. Can you redirect stdout and stderr from the logic_controller program into |
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12 Apr 2021, Isaac Labrie Boulay, Forum, Client gets immediately removed when using a script button.
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> > if I use the script button, the logic_controller program is immediately deleted by MIDAS.
>
> This is indeed very curious, and I can't reproduce it on my test experiment. Can you redirect stdout and stderr from the logic_controller program into |
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12 Apr 2021, Ben Smith, Forum, Client gets immediately removed when using a script button.
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I think it would be useful to find the minimal example that exhibits this behaviour.
What happens if your logic controller code is simply the 17 lines below? What happens if you create another script button that only starts the logic controller, |
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13 Apr 2021, Isaac Labrie Boulay, Forum, Client gets immediately removed when using a script button.
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> I think it would be useful to find the minimal example that exhibits this behaviour.
>
> What happens if your logic controller code is simply the 17 lines below? What happens if you create another script button that only starts the logic |
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13 Apr 2021, Stefan Ritt, Forum, Client gets immediately removed when using a script button.
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> I have followed your suggestions and the program still stops immediately. My status as returned from "cm_yield(100)" is always 412 (SS_TIMEOUT) which
is fine.
> The issue is that, when run with the script button, the do-wile loop stops immediately because the !ss_kbhit() always evaluates to FALSE.
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03 Apr 2020, Stefan Ritt, Info, Change of TID_xxx data types
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We have to request of a 64-bit integer data type to be included in MIDAS banks.
Since 64-bit integers are on some systems "long" and on other systems "long long",
I decided to create the two new data types
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30 Mar 2021, Konstantin Olchanski, Info, INT64/UINT64/QWORD not permitted in ODB and history... Change of TID_xxx data types
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> We have to request of a 64-bit integer data type to be included in MIDAS banks.
> Since 64-bit integers are on some systems "long" and on other systems "long long",
> I decided to create the two new data types
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14 Apr 2021, Stefan Ritt, Info, INT64/UINT64/QWORD not permitted in ODB and history... Change of TID_xxx data types
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> These 64-bit data types do not work with ODB and they do not work with the MIDAS history.
They were never meant to work with the history. They were primarily implemented to put large 64-
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04 Apr 2021, Konstantin Olchanski, Info, Change of TID_xxx data types
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>
> To be consistent, I renamed the old types:
>
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23 Mar 2021, Lars Martin, Bug Report, Time shift in history CSV export
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Version: release/midas-2020-12
I'm exporting the history data shown in elog:2132/1 to CSV, but when I look at the
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23 Mar 2021, Lars Martin, Bug Report, Time shift in history CSV export
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| History is from two separate equipments/frontends, but both have "Log history" set to 1. |
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23 Mar 2021, Lars Martin, Bug Report, Time shift in history CSV export
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Tried with export of two different time ranges, and the shift appears to remain the same,
about 4040 rows. |
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24 Mar 2021, Stefan Ritt, Bug Report, Time shift in history CSV export
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I confirm there is a problem. If variables are from the same equipment, they have the same
time stamps, like
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24 Mar 2021, Lars Martin, Bug Report, Time shift in history CSV export
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I think from my perspective the separate files are fine. I personally don't really like the format
with the gaps, so don't see an advantage in putting in the extra work.
I'm surprised the shift is this big, though, it was more than a whole hour in my case, is it the
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14 Apr 2021, Stefan Ritt, Bug Report, Time shift in history CSV export
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I finally found some time to fix this issue in the latest commit. Please update and check if it's
working for you.
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25 Mar 2021, Lars Martin, Bug Report, Minor bug: Change all time axes together doesn't work with +- buttons
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Version: release/midas-2020-12
In the new history display, the checkbox "Change all time axes together" works
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14 Apr 2021, Stefan Ritt, Bug Report, Minor bug: Change all time axes together doesn't work with +- buttons
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> Version: release/midas-2020-12
>
> In the new history display, the checkbox "Change all time axes together" works
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10 Mar 2021, Zaher Salman, Suggestion, embed modbvalue in SVG
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Is it possible to embed modbvalue in an SVG for use within a custom page?
thanks. |
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10 Mar 2021, Stefan Ritt, Suggestion, embed modbvalue in SVG
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You can't really embed it, but you can overlay it. You tag the SVG with a
"relative" position and then move the modbvalue with an "absolute" position over
it:
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26 Apr 2021, Zaher Salman, Suggestion, embed modbvalue in SVG
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I found a way to embed modbvalue into a SVG:
<text x="100" y="100" font-size="30rem">
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09 Apr 2021, Lars Martin, Suggestion, Time zone selection for web page
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The new history as well as the clock in the web page header show the local time
of the user's computer running the browser.
Would it be possible to make it either always use the time zone of the Midas
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14 Apr 2021, Stefan Ritt, Suggestion, Time zone selection for web page
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> The new history as well as the clock in the web page header show the local time
> of the user's computer running the browser.
> Would it be possible to make it either always use the time zone of the Midas
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29 Apr 2021, Pierre-Andre Amaudruz, Suggestion, Time zone selection for web page
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> > The new history as well as the clock in the web page header show the local time
> > of the user's computer running the browser.
> > Would it be possible to make it either always use the time zone of the Midas
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16 Feb 2021, Ruslan Podviianiuk, Forum, m is not defined error
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Hello,
I see this mhttpd error starting MSL-script:
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25 Feb 2021, Konstantin Olchanski, Forum, m is not defined error
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> I see this mhttpd error starting MSL-script:
> Uncaught (in promise) ReferenceError: m is not defined
> at mhttpd_message (VM2848 mhttpd.js:2304)
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05 May 2021, Zaher Salman, Forum, m is not defined error
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We had the same issue here, which comes from mhttpd.js line 2395 on the current git version. This seems to happen mostly when there is an alarm triggered
or when there is an error message.
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06 May 2021, Stefan Ritt, Forum, m is not defined error
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Thanks for reporting and pointing to the right location.
I fixed and committed it.
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06 May 2021, Ben Smith, Info, New feature in odbxx that works like db_check_record()
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For those unfamiliar, odbxx is the interface that looks like a C++ map, but automatically syncs with the ODB - https://midas.triumf.ca/MidasWiki/index.php/Odbxx.
I've added a new feature that is similar to the existing odb::connect() function, but works like the old db_check_record(). The new odb::connect_and_fix_structure() |