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Search: Posts Made By: roulishollandais
Showing results 1 to 13 of 13
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Forum: Tech Log
26th May 2015, 17:36
Replies: 98
Views: 36,769
Posted By roulishollandais

Snoop don't dream , others sectors are not perfect !...

don't dream , others sectors are not perfect ! Fukushima is a desaster where during years they refused to respect the warning of some hydrologists who said the water is the first threat against the...
Forum: Tech Log
26th May 2015, 06:53
Replies: 98
Views: 36,769
Posted By roulishollandais

Snoop "Tout va très bien, Madame la Marquise"! ...

"Tout va très bien, Madame la Marquise"!

Despite some people were retired other teams had been working on Ariane4 V33 and on Ariane5... But they were focused on terrorism instead of science !...
Forum: Tech Log
25th May 2015, 18:01
Replies: 98
Views: 36,769
Posted By roulishollandais

EEngr The issue may be very different if your...

EEngr
The issue may be very different if your system is analogical (Concorde) or digital (Ariane5, Airbus320 family, B787).
In the first you may have saturation, in the latter unknown consequence...
Forum: Tech Log
25th May 2015, 17:52
Replies: 98
Views: 36,769
Posted By roulishollandais

Thank you dClbydalpha

Thank you dClbydalpha
Forum: Tech Log
25th May 2015, 08:44
Replies: 98
Views: 36,769
Posted By roulishollandais

Hello msbbarratt, Excellent post ! :) In the...

Hello msbbarratt,
Excellent post ! :)
In the case of Ariane501 somebody said the spec said that in case of double IRS failure stop the trajectory calculation... So that spec was not very smart !
...
Forum: Tech Log
24th May 2015, 17:51
Replies: 98
Views: 36,769
Posted By roulishollandais

dClbydalpha, I agree with that. Once again...

dClbydalpha,
I agree with that.
Once again learn the lesson from Ariane501 report : Not only it is easy to avoid integer overflow being very methodic, but the report showed that a long list of...
Forum: Tech Log
22nd May 2015, 00:38
Replies: 98
Views: 36,769
Posted By roulishollandais

Thank you blackbeard1 for that wonderful Cluster...

Thank you blackbeard1 for that wonderful Cluster and link.
I had pleasure to learn more from boreal auroras and the last studies.
Forum: Tech Log
12th May 2015, 10:23
Replies: 98
Views: 36,769
Posted By roulishollandais

@blackbeard1 10 years of your life in smoke...

@blackbeard1
10 years of your life in smoke from that crazy overflowing bit but wide misfunction in that rocket project ! Condolences !

Boeing may probably find other things to care…:ugh:
Forum: Tech Log
10th May 2015, 16:41
Replies: 98
Views: 36,769
Posted By roulishollandais

integer overflow

if you don't want to read the totality of that report :
Forum: Tech Log
5th May 2015, 01:33
Replies: 98
Views: 36,769
Posted By roulishollandais

If you use software from a third party, you need...

If you use software from a third party, you need not only the soft or the RTOS but the totality of its documentation and the whole test data. The furnisher of the RTOS or the software may design them...
Forum: Tech Log
3rd May 2015, 03:02
Replies: 98
Views: 36,769
Posted By roulishollandais

Building a software is like building a house, the...

Building a software is like building a house, the first thing you have to do is to list all the materials/variables that you need, defining size, use, purposes, movement, range aso. The integer...
Forum: Tech Log
2nd May 2015, 17:43
Replies: 98
Views: 36,769
Posted By roulishollandais

... And passengers :ugh:

... And passengers :ugh:
Forum: Tech Log
2nd May 2015, 17:05
Replies: 98
Views: 36,769
Posted By roulishollandais

INTEGER OVERFLOW WAS ALREADY THE MAIN CAUSE OF...

INTEGER OVERFLOW WAS ALREADY THE MAIN CAUSE OF THE ARIANE 501 ROCKET CRASH !
NO LESSON HAS BEEN LEARNED BY BOEING FROM THAT MAIN ACCIDENT (Cost 8 billions FF)

The report showed also many other IT...
Showing results 1 to 13 of 13


 
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