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On 9/23/2010 7:26 AM, Invisible wrote:
> Good luck looking up Aleph and Beth. ;-)
Hebrew... I learned about א₀ from the commentary on
Futurama of
all things.
(Apologies if that doesn't show properly ... Some fonts may not contain
the proper glyphs, and I had a hell of a time with the whole RTL thing
and getting the proper control code in there to revert from RTL to LTR.
Hebrew characters inline can be a bit bothersome ;)
--
~Mike
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On 24/09/2010 12:56 PM, Mike Raiford wrote:
> Hebrew characters inline can be a bit bothersome ;)
You think that's bad? You try doing *arithmetic* with transfinite
cardinal numbers! :-P
Almost any function of infinity IS ALSO infinity! >_<
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On 9/23/2010 12:50 PM, nemesis wrote:
> Mike Raiford escreveu:
>> On 9/22/2010 12:02 PM, nemesis wrote:
>>
>>>
>>> neverending revelations... pi *has* uppercase... *head spins*
>>>
>>
>> Greek, like Latin has both upper and lower case.
>
> I'm used to Scheme, you case-sensitive clod!
>
Case sensitivity gives me twice as many characters available for
variable names!
;)
As a fun aside... apparently C# will accept any
non-number/non-punctuator as a valid variable name. This is valid C#
code and will compile and execute (and give completely wrong results):
private static double Γ(double z)
{
// in reality this would actually return the result of the
gamma function...
return z;
}
static void Main(string[] args)
{
Console.WriteLine("The value of the gamma function is: " +
Γ(1));
Console.ReadKey();
}
A good way to piss off your co-workers, for sure.. XD
--
~Mike
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On 9/24/2010 7:24 AM, Invisible wrote:
> On 24/09/2010 12:56 PM, Mike Raiford wrote:
>
>> Hebrew characters inline can be a bit bothersome ;)
>
> You think that's bad? You try doing *arithmetic* with transfinite
> cardinal numbers! :-P
>
> Almost any function of infinity IS ALSO infinity! >_<
I think I'll hold off on that one for a little while. ;)
--
~Mike
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On 9/24/2010 7:29 AM, Mike Raiford wrote:
> This is valid C# code and will compile and execute
> (and give completely wrong results):
Valid that is if it's enclosed in a class and a namespace :facepalm:
--
~Mike
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On 24/09/2010 01:29 PM, Mike Raiford wrote:
> As a fun aside... apparently C# will accept any
> non-number/non-punctuator as a valid variable name.
That's nothing. In Haskell, you can use punctuation *as well*!
More precisely, you can use names consisting only of punctuation, which
then become infix operators. Or you can use names beginning with a
letter and then continuing with any character except for a rather small
set of standard ASCII characters considered to be "punctuation" as per
the Haskell Language Report [*not* as per Unicode].
Some folks like to do things like define a function composition operator
who's name is the *actual* Unicode code-point for the function
composition operator. (These same people tend to use "λ" in place of "\"
too, which is allowed by the syntax rules...)
Amusingly, you cannot define a Γ function in Haskell, because Γ is an
uppercase letter. You can, however, define a γ function if you like...
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On 24-9-2010 10:50, Phil Cook v2 wrote:
> And lo On Thu, 23 Sep 2010 13:10:44 +0100, Mike Raiford
> <"m[raiford]!at"@gmail.com> did spake thusly:
>
>> On 9/22/2010 12:02 PM, nemesis wrote:
>>
>>>
>>> neverending revelations... pi *has* uppercase... *head spins*
>>>
>>
>> Greek, like Latin has both upper and lower case.
>
> Or to put it another way Greek like Latin has only upper case letters
> with lower case being only a recent introduction ;-)
>
IIRC uppercase because you can chisel them in stone. lower case after
starting writing regularly on things like papyrus that allows curves
more easily.
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On 24-9-2010 11:02, Invisible wrote:
> On 24/09/2010 09:44 AM, Phil Cook v2 wrote:
>
>> Although if you know its a mathematical symbol you can Google that and
>> get http://en.wikipedia.org/wiki/Table_of_mathematical_symbols as the
>> first return and just scroll down that until you see the same one ;-)
>
> And, like it says at the very top, "this list is incomplete". ;-)
It has to be. Missing is e.g. the one I introduced*. Symbol is a upside
down hat with two ears sticking out. Pronounced "Wabbit" and can be used
at the end of an equation to signify that the reader is not supposed to
understand why this equation is used until later.
The need for this symbol arises from the fact that mathematical
derivations are often presented not the way the idea came up but in the
reverse order. Mainly because that appears to be the style of
mathematics: never admit that you had a brilliant idea to start with.
This practice is meant to impress the readers, but mainly results in too
many kids deciding that they will never understand mathematics.
*) I did that in the proceedings of a very small conference, so I don't
blame anyone not to have read it.
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And lo On Fri, 24 Sep 2010 22:19:32 +0100, andrel <byt### [at] gmail com>
did spake thusly:
> On 24-9-2010 10:50, Phil Cook v2 wrote:
>> And lo On Thu, 23 Sep 2010 13:10:44 +0100, Mike Raiford
>> <"m[raiford]!at"@gmail.com> did spake thusly:
>>
>>> On 9/22/2010 12:02 PM, nemesis wrote:
>>>
>>>>
>>>> neverending revelations... pi *has* uppercase... *head spins*
>>>>
>>>
>>> Greek, like Latin has both upper and lower case.
>>
>> Or to put it another way Greek like Latin has only upper case letters
>> with lower case being only a recent introduction ;-)
>>
> IIRC uppercase because you can chisel them in stone. lower case after
> starting writing regularly on things like papyrus that allows curves
> more easily.
Yup pretty much created by transcripters to speed up copying. Some of the
letters you can see how this developed Xi and Epsilon for example; Nu and
Omega on the other hand...
--
Phil Cook
--
I once tried to be apathetic, but I just couldn't be bothered
http://flipc.blogspot.com
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Mike Raiford wrote:
> A good way to piss off your co-workers, for sure.. XD
There's no reason this should piss off your coworkers any more than
overloaded operators do. It's all essentially the same problem.
C# is just a unicode-aware programming language. You can't use any non-di
git
non-punctuation character. You can use unicode letters. Just because they
don't look like letters in *your* alphabet doesn't mean they aren't lette
rs.
That said, you probably ought have a really good reason to use non-ASCII
characters just like you ought have a good reason to overload operators.
Like, say, naming a function "Γ".
--
Darren New, San Diego CA, USA (PST)
Quoth the raven:
Need S'Mores!
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