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[HANASHIR:8191] Fwd:The Programmers of Chelm ( good for Purim tale)



Gigglebytes - <A 
HREF="http://www.computeruser.com/magazine/national/gigg_index.html";>Past 
Columns</A>
The Programmers of Chelm
A Tale So Good You Could Plotz

By Lincoln Spector     www.thelinkinspentor.com
November 14, 1995

(In Yiddish folklore, the village of Chelm is renowned as a town of fools-a 
place where wisdom, learning, and inspiration need never be hampered by 
common sense. The people of Chelm can, therefore, be considered the spiritual 
ancestors of all software designers.) One day, the programmers of Chelm 
decided to write a new database for the synagogue. "It must keep track of 
every family in Chelm," pointed out Shmul, who liked to think of himself as 
the project leader. "We need to know who's married to who, who are their 
children, and every first and second cousin."
"I see," said Mendel. "It must be a relational database."
"But who should we relate to who?" asked Moshe.
"Well, I certainly don't want my son marrying your daughter," objected Avram.
"Gentlemen, gentlemen," called out Shmul, "let's remember what we're here 
for. Now I say we need a table for men, a table for women, a table for 
families, and a table for children."
"Does the rabbi get his own table?" asked Avram. Everyone agreed that he 
should, as he was wise.
"What about the user interface?" asked Moshe.
Everyone looked at Shmul. "There should definitely be one," he said. 
"Otherwise, who would use it?"
"Yes, but should it have a speedbar, smart icons, or a floating toolbar? And 
what kind of help should it have?"
"Does it need help?" asked Mendel. "Does not the Talmud say that we should 
study? Let us write documentation that scholars can pore over and discuss at 
length."
But Moshe still wasn't satisfied. "What happens if Yussel and Shandel have 
another baby? How does Mordcha, the rabbi's best student, make note of that?"
"Everyone knows what he does," answered Avram. "He writes it down on a piece 
of paper."
"Which he then uses to wrap fish," added Mendel.
"Yes, but what will he do when our system is complete?" Everyone agreed this 
was a very good question.
It didn't take Shmul long to come up with an answer. "He'll turn on his 
computer, enter our database, and type in the name of the new baby."
"But how will the database know that Yussel and Shandel are the parents?"
"Don't be ridiculous," said Avram. "Chelm is a small village. Everyone knows 
everyone else. When there's a new baby, how can someone not know the parents?"
"How do people know?" asked Mendel.
"That's easy," Avram answered. "Before the baby is born, they can tell by 
looking at the father. Why can't our program do the same?"
"Because a computer doesn't have eyes."
"Ah!" cried Shmul. "The computer doesn't have eyes, but Mordcha does, and 
Mordcha can tell the computer everything he sees. And if he says `Yussel 
looks very happy' one day, and `There's a new baby in town' on the next, the 
program will figure it out."
Mendel considered this. "Perhaps, but I don't like depending on Mordcha 
telling the computer everything he sees. If he forgets to tell the computer 
that he saw the rabbi eat, will the program think it's Yom Kippur? It would 
be better if we write a query routine that will help Mordcha find a family. 
After all, are we not programmers? Mordcha could run the query from the main 
menu, and that will bring him to a view of Yussel and Shandel's family."
"Will he be able to enter a new baby from this view?" asked Moshe.
"Of course not!" said Mendel. "For that, he'd need to go to the New Baby 
form, which he can get to from the main menu. So after he's executed a query 
and found Yussel and Shandel, he can click a button to go back to the main 
menu. From there, he can go to any part of the database he wants."
Moshe, however, suspected a fatal flaw. "But if he leaves the query and goes 
back to the main menu, how will the computer know the new baby belongs to 
Yussel and Shandel?"
This question so greatly troubled the programmers of Chelm that Avram was 
moved to ask, "Does Maimonides say anything about this?"
"Ach," cried Moshe. "Who cares about Maimonides? He used COBOL!"
Just then Shmul found the solution. "It's simplicity itself! We'll put a 
button on the New Baby form that will let Mordcha do a query on the family 
table. When he finds Yussel and Shandel, he can press the button that will 
bring him back to the main menu and from there, return to the New Baby form."
"That's brilliant!" cried Moshe. Then he thought about it. "But when he goes 
back to the New Baby form, will the computer know that Yussel and Shandel are 
the parents?"
"Of course not. But he can always push the query button again."
Moshe wasn't too sure. "What if he doesn't like being part of an infinite 
loop?"
"Loop, schmoop. He's studying to be a rabbi, isn't he? He needs to learn 
about the infinite."
"I have a better idea," interjected Moshe. "We can simply make all the new 
babies belong to Yussel and Shandel."
The programmers all agreed this was the best plan yet. They were 
congratulating themselves when Avram had a thought. "Oy vey! There's 
something we overlooked. What will Mordcha wrap his fish in?"
Moshe laughed. "But that's so simple. We'll add an option for him to print a 
special report." 
© 1995 Lincoln Spector. All rights reserved. Lincoln Spector knows nothing 
about computers, but is quite good at faking it. A senior associate editor 
for PC World, he can be reached at <A HREF="mailto:lincoln_spector (at) 
pcworld(dot)com">lincoln_spector (at) pcworld(dot)com</A>.
"Gigglebytes" is a satirical column loosely based on computer industry 
events, trends and people. The opinions expressed in this column are the 
writer's and do not necessarily reflect those of Computer Currents
    



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