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   ASIAN_LINK      Not the kind that loves you long time      8,456 messages   

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   Message 6,482 of 8,456   
   mark lewis to Maurice Kinal   
   Name that compression...   
   30 Mar 19 14:54:00   
   
   REPLY: 2:280/464.113 5c9f9bf7   
   MSGID: 1:3634/12.73 5c9fbf47   
   PID: GED+LNX 1.1.5-b20180707   
   CHRS: CP437 2   
   TZUTC: -0400   
   TID: hpt/lnx 1.9.0-cur 07-09-15   
      
    On 2019 Mar 30 16:40:22, you wrote to me:   
      
    ml>> do not take into account offline mail users   
      
    MK> True but in that case the incremental methodology you posted could be   
    MK> deployed for robotic packing.   
      
   this is true and when it really comes down to it, all FTN related messaging   
   tools should use the same serial number generating routines to avoid separate   
   programs generating the same serial number...   
      
    MK> Now if offline readers generated their own MSGIDs then this wouldn't   
    MK> be an issue.   
      
   they cannot... maybe QWKE but the readers on the user's end just don't...   
   remember that this QWK/QWKE/BW stuff was porce-pushed into FTNs by folks   
   coming from the RIME/PCRelay side of the world...   
      
    MK> Either that or get rid of MSGIDs but I already know of one well used   
    MK> messaging system that will freak out and cause much grief.  I won't   
    MK> say which one.   
      
   hehehe... i'd say that one would be better off to develop new formats of   
   packets and packed messages to get rid of these old problems... however,   
   without more developers, it just won't happen... then there's the historic   
   side where folks want to bring their old systems back out of hibernation now   
   that they've had years to play on the 'net and find out it really isn't all   
   that to begin with ;)   
      
    ml>> or automated posting tools like those used to post monthly rules or   
    ml>> advertisements or even newly arrived files listings...   
      
    MK> Why wouldn't they be generating their own MSGID?   
      
   why wouldn't what be doing that?   
      
    ml>> wrong node number, man   
      
    MK> Ah!  Too late now.   
      
   hehehe...   
      
    ml>> you might be surprised ;)   
      
    MK> Yes I would be.   
      
   :)   
      
    ml>> it comes much sooner for systems using signed long integers like   
    ml>> those from the TP/BP5,6,7 days...   
      
    MK> I am guessing their definition of long ints was 32 bits   
      
   in pascal back in the day, you had byte, word, real, int and longint...   
   longint was signed 32bit... these days, there are more available and even   
   unsigned ones... word would have worked but it was only two bytes... it there   
   had been a 32bit word, things would have been a little different... they call   
   it a longword, these days...   
      
   FWIW: From the FPC manual, this is the new stuff available today but you can   
   see the ranges of what has been available since the beginning...   
      
                       integer types   
     Type      Range                                     Bytes   
     =========================================================   
     Byte      0 .. 255                                      1   
     Shortint  -128 .. 127                                   1   
     Smallint  -32768 .. 32767                               2   
     Word      0 .. 65535                                    2   
     Integer   smallint or longint                      2 or 4   
     Cardinal  longword                                      4   
     Longint   -2147483648 .. 2147483647                     4   
     Longword  0..4294967295                                 4   
     Int64     -9223372036854775808 .. 9223372036854775807   8   
     QWord      0 .. 18446744073709551615                    8   
      
   Free Pascal does automatic type conversion in expressions where different   
   kinds of integer types are used.   
      
                          real types   
     Type      Range                Significant digits   Bytes   
     =========================================================   
     Real      platform dependent       ???             4 or 8   
     Single    1.5E-45 .. 3.4E38        7-8                  4   
     Double    5.0E-324 .. 1.7E308     15-16                 8   
     Extended  1.9E-4932 .. 1.1E4932   19-20                10   
     Comp      -2E64+1 .. 2E63-1       19-20                 8   
     Currency  -922337203685477.5808   922337203685477.5807  8   
      
      
    MK> given the shelf lifes you posted for ntp and unixtime.  These days it   
    MK> isn't an issue and if it is then there is another good reason for   
    MK> abandoning abandonware.   
      
   yep, and the reasons for doing so are getting more nad more prolific, too...   
      
    MK> If I am not mistaken ntp has made the switch to 64 bit ints quite some   
    MK> time ago.   
      
   yes but there's still a lot of older embedded systems in place... they'll be   
   found when they fall over and/or start emitting invalid dates...   
      
    MK> Speaking of which, beats me why they'd need a 64 bit int for   
    MK> fractional seconds.  Heck even 32 bit fractional second is overkill   
    MK> other than for nanoseconds which are way beyond the resolution of most   
    MK> computer clocks and network speeds.  The best error I've seen posted   
    MK> for clocks was in the order of 30-40 nanoseconds and we're unlikely to   
    MK> ever see such a clock in action.   
      
   i dunno... i suspect it was for extremely accurate timing capabilities...   
   maybe something to do with nuclear isotope timings?? one would have to check   
   the history to see for sure...   
      
   )\/(ark   
      
   Always Mount a Scratch Monkey   
   Do you manage your own servers? If you are not running an IDS/IPS yer doin' it   
   wrong...   
   ... Chocolate and .....my favorite Sweets! ;*)   
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