Defensive Programming

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Defensive Programming

TomThomson

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April 22, 2010 at 9:13 pm

#219515

Comments posted to this topic are about the item Defensive Programming
Tom
April 23, 2010 at 12:19 am

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Atif-ullah Sheikh SSChampion Points: 12495 More actions · Answer 1

Never knew this. Had to use google to find the answer. 😀

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Michael Richter-564003 SSC Veteran Points: 237 More actions · Answer 2

Michael Richter-564003

SSC Veteran

Points: 237

April 22, 2010 at 11:42 pm

#1156612

Me too.

Googling is wonderful:-D

Michael

SQLRNNR SSC Guru Points: 281334 More actions · Answer 3

A lot of google to find the answer to this one. Finding the publication date of the article was key to finding the answer. Then a lot more googling to ensure that the timeline matched up - unless you had access to one of a few subscription sites that have the article.

Jason...AKA CirqueDeSQLeil
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Christian Buettner-167247 SSChampion Points: 13729 More actions · Answer 4

This is an interesting question, but with far too many answer options.

Therefore I did not even try to solve it on my own, but used google *shameonme*

If there were 2 or 3 options and a little more significant date differences (or if I was a date-storing-machine with all historical events in my mechanical brain), I would have tried without google.

But the important point at last: Learned something new 🙂

Thanks for the QOD

Best Regards,

Chris Büttner

Noel Ox Old Hand Points: 367 More actions · Answer 5

Google, the first port of call for all your obscure literature referencing needs 😀

Points well earned? Yes, sometimes it is better to admit you do not know something and seek counsel from someone wiser, or just better informed 😛

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P Jones SSChampion Points: 12361 More actions · Answer 6

I originally wondered if it was by Charles Babbage or Ada Lovelace as it was appropriate even then.

Tom257 SSChampion Points: 11543 More actions · Answer 7

EDSAC !

My word - that was ancient history when I started on ICL 1900s

Ronald H SSCarpal Tunnel Points: 4053 More actions · Answer 8

Great question!

Amazing how many people said 1859... Only halfway through WWII computers were really programmable (and used for military reasons) and the word was used as such... BTW programmers were all female at that time 🙂

Ronald HensbergenHelp us, help yourself... Post data so we can read and use it: http://www.sqlservercentral.com/articles/Best+Practices/61537/-------------------------------------------------------------------------2+2=5 for significant large values of 2

TomThomson SSC Guru Points: 104773 More actions · Answer 9

r.hensbergen (4/23/2010)
Amazing how many people said 1859... Only halfway through WWII computers were really programmable (and used for military reasons) and the word was used as such... BTW programmers were all female at that time 🙂

And just to confuse things, the programmers were (assuming you mean halfway through WWII and not 1859) called "lady computers", and the machines were called something quite different.

Tom

webrunner SSC-Dedicated Points: 31882 More actions · Answer 10

P Jones (4/23/2010)
I originally wondered if it was by Charles Babbage or Ada Lovelace as it was appropriate even then.

Yeah, I was thinking maybe Charles Babbage or Ada Lovelace, guessed 1859, and got it wrong. Turns out that Ada Lovelace had died in 1852 anyway, although Babbage didn't figure in the correct answer either.

- webrunner

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Daniel Bowlin SSC-Dedicated Points: 34566 More actions · Answer 11

This is still true today. Humans haven't really changed that much since this was written. We are not more accurate, we are not faster, and we still can't get out of the way of our own assumptions. So we endeavour to think, think, think, test, test, test, and do our best to learn from experience, and if we are lucky/good we can also learn from the experience of others.

SanjayAttray SSChampion Points: 13157 More actions · Answer 12

Got it wrong. Even can't find correct answer in Wikipedia.

http://en.wikipedia.org/wiki/Defensive_programming

and some examples: http://www.tushar-mehta.com/excel/vba/vba-defensive_programming.htm

SQL DBA.

hanziou SSC Enthusiast Points: 118 More actions · Answer 13

I the title of the paper really "The diagnosis of mstakes in programmes on the EDSAC" by S. Gill,? I.e. is "mistakes" purposely misspelled by S. Gill? Or was that a transcription error by the QOTD poster?