[plt-scheme] DrScheme Interactions window

On May 10, 2004, at 11:37 PM, Connor Ferguson wrote:

>   For list-related administrative tasks:
>   http://list.cs.brown.edu/mailman/listinfo/plt-scheme
>
> I've solved the problem.

Nah, you just made the program work by accident :-)

> Basically, I needed to convert the string into a
> verb structure. Matthias set me in the right direction with his 
> questions

Those questions are from the design recipe. Just like last time. One 
day you will follow on your own and you won't need me anymore :-)

> about a list of all the verbs. I wrote a function, find verb, that 
> takes in
> a string and a list of verbs. It then searches to see if verb-inf for 
> each
> of the verbs is equal to the string inputted. When it finds the match, 
> it
> produces the corresponding verb (struct). I simply applied my 
> conjugation
> function to the result of searching my big list of verbs (dictionary) 
> for
> the contents of the infinitive text box.
>
> Now that the GUI itself works, though, I need to figure out why the
> executable won't work.
>
> I haven't been able to create the executable in Intermediate, so I 
> switched
> to Pretty Big.

As I said before, use (module ..) not Pretty Big. -- Matthias


>  The executable is successfully created, but when I double
> click it to open it, it opens a MrEd Standard Output window and gives 
> me
> this error message:
>
> cddddr: expects argument of type <cddddrable value>; given
> ("(module mod-name mzscheme(require(lib
> \"pconvert.ss\")(lib\"pretty.ss\"))(provide init-code)(d...
>
> [Exited]
>
> This seems to be the last hurdle for me to jump but this sort of error
> message is way beyond my capabilities to decipher.
>
> -Connor
>
>>> on 5/10/04 8:09 PM, Matthias Felleisen wrote:
>
>> What kind of data do you want to convert the string into? A number?
>> A symbol? I am a bit confused here. A GUI editor (that's what the
>> box is) must give you the content.
>>
>> Can you send me the error message?
>>
>> -- Matthias
>>
>> P.S. In the meantime, please study " A First Look at GUIs" in HtDP.
>>
>>
>> On May 10, 2004, at 10:26 PM, Connor Ferguson wrote:
>>
>>>>> on 5/10/04 6:36 PM, Matthias Felleisen wrote:
>>>>
>>>>> I have tested the GUI, it came up with the window (I had modified 
>>>>> it
>>>>> so that
>>>>> it had two text fields). When I entered the verb in however, it 
>>>>> gave
>>>>> me an
>>>>> error because it recognized the information in the text field as a
>>>>> string.
>>>>
>>>> What else would you expect? When you type something in a text field,
>>>> the program receives a string. Actually, the string is in a text t
>>>> and (text-contents t) extracts the string.
>>>
>>> Alright, so is there a way to convert that string to... "not a 
>>> string"?
>>>
>>> -Connor
>>>
>>>
>>>>> on 5/10/04 6:36 PM, Matthias Felleisen wrote:
>>>
>>>>
>>>> On May 10, 2004, at 8:10 PM, Connor Ferguson wrote:
>>>>
>>>>> For list-related administrative tasks:
>>>>> http://list.cs.brown.edu/mailman/listinfo/plt-scheme
>>>>>
>>>>> I have tested the GUI, it came up with the window (I had modified 
>>>>> it
>>>>> so that
>>>>> it had two text fields). When I entered the verb in however, it 
>>>>> gave
>>>>> me an
>>>>> error because it recognized the information in the text field as a
>>>>> string.
>>>>
>>>> What else would you expect? When you type something in a text field,
>>>> the program receives a string. Actually, the string is in a text t
>>>> and (text-contents t) extracts the string.
>>>>
>>>>> My verbs that I have defined as one-word variables that include a
>>>>> verb
>>>>> structure with all the conjugations are not strings. They follow 
>>>>> this
>>>>> pattern
>>>>>
>>>>> (define ser (make-verb "ser" "to be" "soy" "eres" "es" "somos" 
>>>>> "sois"
>>>>> "son"))
>>>>>
>>>>> I tried changing it like so:
>>>>>
>>>>> (define "ser" (make-verb "ser" "to be" "soy" "eres" "es" "somos"
>>>>> "sois"
>>>>> "son"))
>>>>
>>>> That's like saying "cat" means dog.
>>>>
>>>> My hunch is that you're trying to define a struct with this shape:
>>>>
>>>> (define-struct verb (spanish english case1 case2 ...))
>>>>
>>>> Now you when you get the spanish or english, you want to look up
>>>> the cases.
>>>>
>>>> Where is your data definition?
>>>>
>>>> Do you keep around a list of verbs? If so, where is your data
>>>> definition for your list? Let's call it a dictionary.
>>>>
>>>> Do you want to look up the verb in the dictionary. What function
>>>> contract do you use? What's the purpose statement? Where are the
>>>> examples?
>>>>
>>>> All of the above is independent of the GUI. If you look in the last
>>>> two
>>>> parts of HtDP, you will actually see that the GUI that you're trying
>>>> to
>>>> build is about 5 lines long. So the above questions are more
>>>> important.
>>>>
>>>> -- Matthias
>>>>
>>>>
>>>>>
>>>>>
>>>>>>> on 5/9/04 5:03 PM, Matthias Felleisen wrote:
>>>>>
>>>>>>
>>>>>> On May 9, 2004, at 2:50 PM, Connor Ferguson wrote:
>>>>>>
>>>>>>> I have already tested my conjugating program extensively in
>>>>>>> Intermediate and
>>>>>>> it works.
>>>>>>
>>>>>> Did you test the GUI too?
>>>>>>
>>>>>>> I tried using exactly the same GUI that you sent me but it still
>>>>>>> didn't work.
>>>>>>
>>>>>> Did you test the code that I mailed you in Intermediate?
>>>>>> Without the header lines and extra ) at the bottom?
>>>>>>
>>>>>>> I still do think that I'm going to have to use two separate
>>>>>>> text fields because if it is one text field, it will act like a
>>>>>>> single
>>>>>>> argument, right? My program needs two separate arguments.
>>>>>>
>>>>>> Yes you will. -- Matthias
>>>>>>
>>>>>>>
>>>>>>> -Connor
>>>>>>>
>>>>>>>>> on 5/8/04 7:59 PM, Matthias Felleisen wrote:
>>>>>>>
>>>>>>>> Connor, remember the sequence:
>>>>>>>>
>>>>>>>> 1. Develop in a teaching language (Intermediate is probably 
>>>>>>>> okay).
>>>>>>>>
>>>>>>>> 2. Set the teachpack to gui.ss
>>>>>>>>
>>>>>>>> 3. Get the program right there.
>>>>>>>>
>>>>>>>> 4. Then do the rest.
>>>>>>>>
>>>>>>>> 5. If you don't follow those basic rules, the likelihood that 
>>>>>>>> the
>>>>>>>> problem is yours is 99.9%.
>>>>>>>>
>>>>>>>> ;; ---
>>>>>>>>
>>>>>>>> If you want to confirm that you can get executables, use the GUI
>>>>>>>> that
>>>>>>>> I
>>>>>>>> mailed you and follow the steps. I'd be extremely surprised if
>>>>>>>> they
>>>>>>>> don't work. (I will install a 204 if you report otherwise but
>>>>>>>> that'll
>>>>>>>> take a while. I will also not be happy if I can't reconstruct 
>>>>>>>> it.)
>>>>>>>>
>>>>>>>> If you do two steps at once, you always end up taking four :-)
>>>>>>>>
>>>>>>>> -- Matthias
>>>>>>>>
>>>>>>>>
>>>>>>>> On May 8, 2004, at 10:48 PM, Connor Ferguson wrote:
>>>>>>>>
>>>>>>>>> Alright, I created the executable and that worked (it showed me
>>>>>>>>> the
>>>>>>>>> icon).
>>>>>>>>> But when I opened it, it opened a MrEd window entitled Standard
>>>>>>>>> Output
>>>>>>>>> and
>>>>>>>>> gave me this error message
>>>>>>>>>
>>>>>>>>> cddddr: expects argument of type <cddddrable value>; given
>>>>>>>>> ("(module
>>>>>>>>> mod-name mzscheme(require(lib \"pconvert.ss\")(lib
>>>>>>>>> \"pretty.ss\"))(provide
>>>>>>>>> init-code)(d...
>>>>>>>>>
>>>>>>>>> [Exited]
>>>>>>>>>
>>>>>>>>> The name of the module that I have put in includes spaces. Is
>>>>>>>>> that
>>>>>>>>> a
>>>>>>>>> problem? I also changed the GUI so that it has two text boxes,
>>>>>>>>> one
>>>>>>>>> for
>>>>>>>>> the
>>>>>>>>> subject and one for the verb.
>>>>>>>>>
>>>>>>>>> -Connor
>>>>>>>>>
>>>>>>>>>>> on 5/8/04 7:05 PM, Matthias Felleisen wrote:
>>>>>>>>>
>>>>>>>>>> For list-related administrative tasks:
>>>>>>>>>> http://list.cs.brown.edu/mailman/listinfo/plt-scheme
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On May 8, 2004, at 9:30 PM, Connor Ferguson wrote:
>>>>>>>>>>
>>>>>>>>>>> For list-related administrative tasks:
>>>>>>>>>>> http://list.cs.brown.edu/mailman/listinfo/plt-scheme
>>>>>>>>>>>
>>>>>>>>>>> This sounds great. I think I will need to modify it so that 
>>>>>>>>>>> the
>>>>>>>>>>> GUI
>>>>>>>>>>> will
>>>>>>>>>>> have two text fields one for the subject and one for the 
>>>>>>>>>>> verb.
>>>>>>>>>>>
>>>>>>>>>>> The only thing is, I have defined a verb as a structure and
>>>>>>>>>>> have
>>>>>>>>>>> then
>>>>>>>>>>> defined individual verbs. So my program takes a string and a
>>>>>>>>>>> verb
>>>>>>>>>>> (struct)
>>>>>>>>>>>
>>>>>>>>>>> (define-struct verb (inf yo tu 3sing nos vos 3plural))
>>>>>>>>>>> (define ser (make-verb "ser" "soy" "eres" "es" "somos" "sois"
>>>>>>>>>>> "son"))
>>>>>>>>>>>
>>>>>>>>>>> Correct me if I'm wrong, but information placed into a text
>>>>>>>>>>> field
>>>>>>>>>>> in
>>>>>>>>>>> a
>>>>>>>>>>> GUI
>>>>>>>>>>> is considered a string. Could I possibly solve this problem 
>>>>>>>>>>> by
>>>>>>>>>>> modifying my
>>>>>>>>>>> verb definitions as such:
>>>>>>>>>>>
>>>>>>>>>>> (define "ser" (make-verb "ser" "soy" "eres" "es" "somos" 
>>>>>>>>>>> "sois"
>>>>>>>>>>> "son"))
>>>>>>>>>>
>>>>>>>>>> Nah, remember that (define XYZ ...) introduces a Scheme name
>>>>>>>>>> (XYZ)
>>>>>>>>>> to
>>>>>>>>>> stand
>>>>>>>>>> for some value.
>>>>>>>>>>
>>>>>>>>>> You may wish to consider a menu instead of a text field for
>>>>>>>>>> input
>>>>>>>>>> and
>>>>>>>>>> just use lists.
>>>>>>>>>>
>>>>>>>>>>> Also, will this executable require DrScheme to be installed 
>>>>>>>>>>> on
>>>>>>>>>>> the
>>>>>>>>>>> computer
>>>>>>>>>>> that it is running on and is it universal?
>>>>>>>>>>
>>>>>>>>>> You will need DrScheme on other computers just like you need
>>>>>>>>>> Windows
>>>>>>>>>> on other computers to run your Windows program and OS X to run
>>>>>>>>>> your
>>>>>>>>>> OS X
>>>>>>>>>> program and so on. That's what's called an Operating System 
>>>>>>>>>> and
>>>>>>>>>> DrScheme
>>>>>>>>>> is just a very high level operating system.
>>>>>>>>>>
>>>>>>>>>> -- Matthias
>>>>>>>>>>
>>>>>>>>>> P.S. Good luck with your parents.
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>
>>>
>