 17 Mar 2014, Konstantin Olchanski, Info, ODB JSON support
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> > > odbedit can now save ODB in JSON-formatted files.
> encode NaN, Inf and -Inf as JSON string values "NaN", "Infinity" and "-Infinity". (Corresponding to the respective Javascript values).
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12 Apr 2022, Konstantin Olchanski, Info, ODB JSON support
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> > > > odbedit can now save ODB in JSON-formatted files.
> > encode NaN, Inf and -Inf as JSON string values "NaN", "Infinity" and "-Infinity". (Corresponding to the respective Javascript values).
> http://docs.oasis-open.org/odata/odata-json-format/v4.0/os/odata-json-format-v4.0-os.html
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13 Apr 2022, Stefan Ritt, Info, ODB JSON support
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> Per xkcd, there is a new json standard "json5". In addition to other things, numeric
> values NaN, +Infinity and -Infinity are encoded as literals NaN, Infinity and -Infinity (without quotes):
> https://spec.json5.org/#numbers
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13 Apr 2022, Konstantin Olchanski, Info, ODB JSON support
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> > Per xkcd, there is a new json standard "json5". In addition to other things, numeric
> > values NaN, +Infinity and -Infinity are encoded as literals NaN, Infinity and -Infinity (without quotes):
> > https://spec.json5.org/#numbers
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 08 Mar 2013, Konstantin Olchanski, Info, ODB /Experiment/MAX_EVENT_SIZE
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Somebody pointed out an error in the MIDAS documentation regarding maximum event size
supported by MIDAS and the MAX_EVENT_SIZE #define in midas.h.
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04 Aug 2017, Konstantin Olchanski, Info, Notes on installing midas from scratch
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Notes on installing midas from scratch. The instruction on midaswiki will be synced with this later.
cd ~/packages
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07 Aug 2017, Stefan Ritt, Info, Notes on installing midas from scratch
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Thanks for documenting this in detail. A few suggestions:
- is it really necessary to call odbedit three times? Maybe two or even three functions can be merged. Like you call odbinit, it checks if the environment |
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16 Feb 2011, Konstantin Olchanski, Info, Notes on MIDAS history
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Some notes on the MIDAS history.
MIDAS documentation at
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16 Feb 2011, Konstantin Olchanski, Info, Notes on MIDAS history
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>
> 1) PerVariableHistory.
>
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04 Mar 2010, Konstantin Olchanski, Info, Notes on MIDAS Alarm system
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Notes on the implementation of the MIDAS alarm system.
Alarms are checked inside alarm.c::al_check(). This function is called by
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13 Oct 2004, Konstantin Olchanski, Suggestion, No al_clear_alarm()?
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We have al_trigger_alarm(), but no matching al_clear_alarm(), and I need it to
clear my alarm once the alarm condition no longer exists. Any objections if I
add this function? K.O. |
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13 Oct 2004, Stefan Ritt, Suggestion, No al_clear_alarm()?
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> We have al_trigger_alarm(), but no matching al_clear_alarm(), and I need it to
> clear my alarm once the alarm condition no longer exists. Any objections if I
> add this function? K.O.
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13 Oct 2004, Konstantin Olchanski, Suggestion, No al_clear_alarm()?
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> > We have al_trigger_alarm(), but no matching al_clear_alarm(), and I need it to
> > clear my alarm once the alarm condition no longer exists. Any objections if I
> > add this function? K.O.
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04 Sep 2024, Stefan Ritt, Info, News MSCB++ API
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I had two free afternoon and took the opportunity to write a new API for the MSCB
system. I'm not sure if anybody else actually uses MSCB (MIDAS slow control bus),
but anyhow.
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11 Sep 2024, Konstantin Olchanski, Info, News MSCB++ API
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> Here is some example code:
>
> #include "mscbxx.h"
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24 Sep 2024, Stefan Ritt, Info, News MSCB++ API
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> Where is the example of error handling?
#include "mscbxx.h"
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08 Nov 2019, Pierre Gorel, Bug Report, Newly installed MIDAS on OSX: mhttpd crahes
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Context: out of the box MIDAS (using cmake) on OSX Mojave.
Running with mongoose/opensslm installation following instruction here:
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12 Nov 2019, Konstantin Olchanski, Bug Report, Newly installed MIDAS on OSX: mhttpd crahes
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> Context: out of the box MIDAS (using cmake) on OSX Mojave.
>
> Running with mongoose/opensslm installation following instruction here:
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15 Nov 2019, Pierre Gorel, Bug Report, Newly installed MIDAS on OSX: mhttpd crahes 
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It is reproducible alright.
Here are the core dump and the backtrace (I think the former is more informative).
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15 Nov 2019, Konstantin Olchanski, Bug Report, Newly installed MIDAS on OSX: mhttpd crahes
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> It is reproducible alright.
Thanks. At first blush, a guess, read_passwords() is not thread-safe and is called from multiple threads, not protected by semaphore. Crash report shows |