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kylomas

[Solved] What exactly is returned by the "binary" function

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kylomas

I get the following when I run this code

local $num = 2047
consolewrite('%> Hex = ' & hex($num ) & @lf)
consolewrite('%> Binary = ' & binary($num ) & @lf)

>"C:\Program Files (x86)\AutoIt3\SciTE\AutoIt3Wrapper\AutoIt3Wrapper.exe" /run /prod /ErrorStdOut /in "C:\Users\ADMIN010\Desktop\numeric converter.au3" /UserParams
+>19:14:11 Starting AutoIt3Wrapper v.2.1.0.33 Environment(Language:0409 Keyboard:00000409 OS:WIN_7/Service Pack 1 CPU:X64 OS:X64)
>Running AU3Check (1.54.22.0) from:C:\Program Files (x86)\AutoIt3
+>19:14:11 AU3Check ended.rc:0
>Running:(3.3.8.1):C:\Program Files (x86)\AutoIt3\autoit3.exe "C:\Users\ADMIN010\Desktop\numeric converter.au3"
--> Press Ctrl+Alt+F5 to Restart or Ctrl+Break to Stop
%> Hex = 000007FF
%> Binary = 0xFF070000
+>19:14:11 AutoIT3.exe ended.rc:0
>Exit code: 0 Time: 1.115

What is the "0xFF070000"?

kylomas

edit: perhaps a better way to ask this is "How do I interpret that number?"

Edited by kylomas

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BrewManNH

The binary output is the hex value in reverse, little endian if I'm not mistaken.


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jchd

In factual terms: the binary value is an exact image of the memory layout where the data lives. Intel little endianness indeed reverses the order of bytes in memory from what maths (strict binary representation) dictates.


This wonderful site allows debugging and testing regular expressions (many flavors available). An absolute must have in your bookmarks.
Another excellent RegExp tutorial. Don't forget downloading your copy of up-to-date pcretest.exe and pcregrep.exe here
RegExp tutorial: enough to get started
PCRE v8.33 regexp documentation latest available release and currently implemented in AutoIt beta.

SQLitespeed is another feature-rich premier SQLite manager (includes import/export). Well worth a try.
SQLite Expert (freeware Personal Edition or payware Pro version) is a very useful SQLite database manager.
An excellent eBook covering almost every aspect of SQLite3: a must-read for anyone doing serious work.
SQL tutorial (covers "generic" SQL, but most of it applies to SQLite as well)
A work-in-progress SQLite3 tutorial. Don't miss other LxyzTHW pages!
SQLite official website with full documentation (may be newer than the SQLite library that comes standard with AutoIt)

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JohnQSmith

It was discussed a little bit


Whenever someone says "pls" because it's shorter than "please", I say "no" because it's shorter than "yes".

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kylomas

@all,

Thanks, I surmised that from the way "binary" and "hex" are used interchangeably in many contexts. In 370 architecture a memory dump is refered to as a hex dump and binary carries a very specific meaning. However, that was then, this is NOW.

Thanks,

kylomas


Forum Rules         Procedure for posting code

"I like pigs.  Dogs look up to us.  Cats look down on us.  Pigs treat us as equals."

- Sir Winston Churchill

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jchd

Ah, 370-145... was a rather heavy, slow PC with only limited resources!


This wonderful site allows debugging and testing regular expressions (many flavors available). An absolute must have in your bookmarks.
Another excellent RegExp tutorial. Don't forget downloading your copy of up-to-date pcretest.exe and pcregrep.exe here
RegExp tutorial: enough to get started
PCRE v8.33 regexp documentation latest available release and currently implemented in AutoIt beta.

SQLitespeed is another feature-rich premier SQLite manager (includes import/export). Well worth a try.
SQLite Expert (freeware Personal Edition or payware Pro version) is a very useful SQLite database manager.
An excellent eBook covering almost every aspect of SQLite3: a must-read for anyone doing serious work.
SQL tutorial (covers "generic" SQL, but most of it applies to SQLite as well)
A work-in-progress SQLite3 tutorial. Don't miss other LxyzTHW pages!
SQLite official website with full documentation (may be newer than the SQLite library that comes standard with AutoIt)

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kylomas

@jchd - amazing to think that my sons itunes has more capacity than that old iron. Do NOT miss stacking core for large, 500K jobs!!!


Forum Rules         Procedure for posting code

"I like pigs.  Dogs look up to us.  Cats look down on us.  Pigs treat us as equals."

- Sir Winston Churchill

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