Ok, I'll concede you that one! That's definitely a doc bug.
"There are three kinds of people in the world...those who can count
and those who can't" :-)
I'll just go ahead and fix this one now....don't bother with a doc bug.
Rick
On Sat, May 9, 2009 at 10:54 AM, Gil Barmwater <gbarmwa...@alum.rpi.edu> wrote:
> OK, now I think I understand what the length applies to - the substr of
> the target that is being replaced, not the length of the replacing
> substr. (That doesn't read too well does it?) But the 3 chars of
> 'abcdef' starting at 3 is 'abcdef'~substr(3,3) or 'cde', right? So, if
> we replace that with ' ' then the result is 'ab f', no?
>
> Rick McGuire wrote:
>> replaceAt() does a replacement of one substring with another string. Thus
>>
>> "abcdef"~replaceAt(" ",3, 3) -> "ab ef"
>>
>> is correct. It replaces the 3 characters beginning at postion 3 with
>> the string " ". The resulting string is shorter than the original
>> string.
>>
>> In the second example, the replacement position is beyond the original
>> string. This version is essentially the same as using overlay,
>> because there are no characters snipped out from the original.
>>
>> Rick
>>
>>
>> On Sat, May 9, 2009 at 10:24 AM, Gil Barmwater <gbarmwa...@alum.rpi.edu>
>> wrote:
>>
>>>OK, thanks. Still not clear about these examples for replaceAt:
>>>
>>>"abcdef"~replaceAt(" ",3, 3) -> "ab ef"
>>>"abc"~replaceAt("123",5,6,"+") -> "abc+123"
>>>
>>>I would think that the first would give "ab f", i.e. 'cde' replaced
>>>with 3 blanks. And the second I don't get at all :-(
>>>
>>>Rick McGuire wrote:
>>>
>>>>On Sat, May 9, 2009 at 7:36 AM, Gil Barmwater <gbarmwa...@alum.rpi.edu>
>>>>wrote:
>>>>
>>>>
>>>>>Having almost completed my presntation on the new stuff in 4.0.0, I just
>>>>>have four more questions.
>>>>>
>>>>>1) The ReadMe says "The MutableBuffer class has been enhanced so that it
>>>>>has most, if not all, of the methods of the String class." Do we know
>>>>>of any methods that are NOT in both or should it say "...has all..."?
>>>>
>>>>
>>>>There are quite a few that were not implemented becaus they really did
>>>>not make much sense for a mutablebuffer. For example, the arithmetic
>>>>functions (min, max, sign, abs), the various conversion functions
>>>>(d2c(), etc.), datatype(). There might be others, but those are the
>>>>ones the spring immediately to mind. I believe the set of "string"
>>>>functions is fairly complete, but even here there are exceptions
>>>>(abbrev(), the base64 encode/decode).
>>>>
>>>>
>>>>
>>>>>2) Can you explain when one would use the String Class replaceAt()
>>>>>method rather than overlay() or changeStr()?
>>>>
>>>>
>>>>Ok, here's a souce string" "aaaaaaaaaaaaaaaaaaaaaaaaa"
>>>>
>>>>Use chagestr to replace the characters starting at position 6 for 5
>>>>characters with "123"
>>>>
>>>>Now try this with overlay()
>>>>
>>>>Now do you see the benefit of replaceAt() :-)
>>>>
>>>>To do this operation without replaceAt requests two substrings (or a
>>>>parse operation, which is the equivalent) + two concatenate
>>>>operations. This requires the creation of 4 objects to get one
>>>>result. This can also be done with a delstr()/insert() combo, which
>>>>only creates one extra object, but replaceAt() does it in one shot.
>>>>replaceAt() is particularly useful with mutableBuffer if you're using
>>>>it to make editing-type operations.
>>>>
>>>>
>>>>
>>>>
>>>>>3) While I believe I understand the difference between a Table and an
>>>>>IdentityTable, can you give me an example of when I would need to use an
>>>>>IdentityTable rather than a Table?
>>>>
>>>>
>>>>IdentityTable is used mostly for situations you need to keep track of
>>>>actual object instances rather than relying on "equality", which may
>>>>not be the same. The interpreter uses this internally, for example,
>>>>to keep track of the objects that have a pending uninit() operation.
>>>>In this situation, it is important that the table be able to use the
>>>>object as an index even if the "==" method of the object claims that
>>>>this object is "equal" to another object.
>>>>
>>>>At lot of the uses of this are pretty esoteric....but when you need
>>>>it, you need it!
>>>>
>>>>
>>>>
>>>>>4) How are the new utility classes for sockets, MIME and SMTP provided,
>>>>>i.e. where are they in the distribution, and what does one need to do to
>>>>>make use of them?
>>>>
>>>>
>>>>David will need to ansewr that one.
>>>>
>>>>
>>>>
>>>>>Once I make the updates based on the answers, I could send an outline
>>>>>form of my presetation to anyone interested for review if you'd have
>>>>>time. Want to make sure I got it right!
>>>>
>>>>
>>>>Yes, please send me a copy.
>>>>
>>>>
>>>>
>>>>>--
>>>>>Gil Barmwater
>>>>>
>>>>>------------------------------------------------------------------------------
>>>>>The NEW KODAK i700 Series Scanners deliver under ANY circumstances! Your
>>>>>production scanning environment may not be a perfect world - but thanks to
>>>>>Kodak, there's a perfect scanner to get the job done! With the NEW KODAK
>>>>>i700
>>>>>Series Scanner you'll get full speed at 300 dpi even with all image
>>>>>processing features enabled. http://p.sf.net/sfu/kodak-com
>>>>>_______________________________________________
>>>>>Oorexx-devel mailing list
>>>>>Oorexx-devel@lists.sourceforge.net
>>>>>https://lists.sourceforge.net/lists/listinfo/oorexx-devel
>>>>>
>>>>
>>>>
>>>>------------------------------------------------------------------------------
>>>>The NEW KODAK i700 Series Scanners deliver under ANY circumstances! Your
>>>>production scanning environment may not be a perfect world - but thanks to
>>>>Kodak, there's a perfect scanner to get the job done! With the NEW KODAK
>>>>i700
>>>>Series Scanner you'll get full speed at 300 dpi even with all image
>>>>processing features enabled. http://p.sf.net/sfu/kodak-com
>>>>_______________________________________________
>>>>Oorexx-devel mailing list
>>>>Oorexx-devel@lists.sourceforge.net
>>>>https://lists.sourceforge.net/lists/listinfo/oorexx-devel
>>>>
>>>
>>>--
>>>Gil Barmwater
>>>
>>>------------------------------------------------------------------------------
>>>The NEW KODAK i700 Series Scanners deliver under ANY circumstances! Your
>>>production scanning environment may not be a perfect world - but thanks to
>>>Kodak, there's a perfect scanner to get the job done! With the NEW KODAK i700
>>>Series Scanner you'll get full speed at 300 dpi even with all image
>>>processing features enabled. http://p.sf.net/sfu/kodak-com
>>>_______________________________________________
>>>Oorexx-devel mailing list
>>>Oorexx-devel@lists.sourceforge.net
>>>https://lists.sourceforge.net/lists/listinfo/oorexx-devel
>>>
>>
>>
>> ------------------------------------------------------------------------------
>> The NEW KODAK i700 Series Scanners deliver under ANY circumstances! Your
>> production scanning environment may not be a perfect world - but thanks to
>> Kodak, there's a perfect scanner to get the job done! With the NEW KODAK i700
>> Series Scanner you'll get full speed at 300 dpi even with all image
>> processing features enabled. http://p.sf.net/sfu/kodak-com
>> _______________________________________________
>> Oorexx-devel mailing list
>> Oorexx-devel@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/oorexx-devel
>>
>
> --
> Gil Barmwater
>
> ------------------------------------------------------------------------------
> The NEW KODAK i700 Series Scanners deliver under ANY circumstances! Your
> production scanning environment may not be a perfect world - but thanks to
> Kodak, there's a perfect scanner to get the job done! With the NEW KODAK i700
> Series Scanner you'll get full speed at 300 dpi even with all image
> processing features enabled. http://p.sf.net/sfu/kodak-com
> _______________________________________________
> Oorexx-devel mailing list
> Oorexx-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/oorexx-devel
>
------------------------------------------------------------------------------
The NEW KODAK i700 Series Scanners deliver under ANY circumstances! Your
production scanning environment may not be a perfect world - but thanks to
Kodak, there's a perfect scanner to get the job done! With the NEW KODAK i700
Series Scanner you'll get full speed at 300 dpi even with all image
processing features enabled. http://p.sf.net/sfu/kodak-com
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