blug | Because I just blogged about it '' is too difficult to say
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kandi X-RAY | blug Summary
Because "I just blogged about it" is too difficult to say.
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QUESTION
We start with an empty database and the following commands are given
assert(q(a,b)),assertz(q(1,2)),asserta(q(foo,blug)).
What does now the database contain?
What happens after the following commands?
retract(q(1,2)),assertz((p(X):-h(X))).
Finally, what happens after the following command?
retract(q(_,_)),fail.
MyAttempt
I introduced the following commands in Prolog
assert(q(a,b)).
assertz(q(1,2)).
asserta(q(foo,blug)).
but it marked an error saying that q
should be of 1
parameter and not 2
.
Could someone please help me? How can I fix this? Any kind of help would be greatly appreciated
Thank you in advance.
...ANSWER
Answered 2018-Sep-24 at 19:00By reading theory we could conclude the following.
To the first question,
q(foo,blug).
q(a,b).
q(1,2).
To the second question,
q(foo,blug).
q(a,b).
p(A):-h(A).
To the third question, I think removes all the predicates q
. I don't know what is the action of ',fail' here.
QUESTION
I want to try and code some blog or personal website or local web service in Racket. I've done the tutorial here and then I found this mailing list entry. In addition to that, I used the information from the documenation. URL based dispatch seems way easier than the tutorial, so I went for that and got the following code:
...ANSWER
Answered 2017-Mar-28 at 21:41It sure looks to me like this is an HTML problem, not a racket problem. Specifically, it looks like you need to specify these as absolute paths, not as relative ones. So, in your code, you might want to change
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