Re: Working out yes/no possibilities
INNER JOIN @question q2 ON 1 = 1
{Psst ... Cross join} ;-)
~|
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Re: Working out yes/no possibilities
So, this problem has been sitting in my kitchen. The math has been proved and a good solution using database table joins provided, but I just *knew* this could be solved with looping. Of course it could be hard coded: cfoutput cfloop from=0 to=1 index=a1 cfloop from=0 to=1 index=a2 !--- loops for a3 to a21 --- cfloop from=0 to=1 index=a22 #yesNoFormat(a1)# #yesNoFormat(a2)# !--- output for a3 to a21 --- #yesNoFormat(a22)#br /cfloop /cfloop !--- loop closes for a3 to a21 --- /cfloop /cfoutput But that was too much work and this should have been solvable with iteration. It took me a couple of days to scrape together a few free minutes to come up with this: cffunction name=it output=yes cfargument name=depth type=numeric required=yes cfargument name=answerKey type=string required=no default= cfset var i = 0 cfif depth-- GT 0 cfloop from=0 to=1 index=i #it(depth,answerKey ' ' yesNoFormat(i))# /cfloop cfelse #answerKey#br/ /cfif /cffunction cfoutput#it(22)#/cfoutput I leave it to somebody else to run the code to generate the 4,194,304 combinations, but it works well up to 10 'questions'. ~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:328664 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
Re: Working out yes/no possibilities
At 10:57 AM 25/11/2009, Ian Skinner wrote: So, this problem has been sitting in my kitchen. The math has been proved and a good solution using database table joins provided, but I just *knew* this could be solved with looping. Of course it could be hard coded: cfoutput cfloop from=0 to=1 index=a1 cfloop from=0 to=1 index=a2 !--- loops for a3 to a21 --- cfloop from=0 to=1 index=a22 #yesNoFormat(a1)# #yesNoFormat(a2)# !--- output for a3 to a21 --- #yesNoFormat(a22)#br /cfloop /cfloop !--- loop closes for a3 to a21 --- /cfloop /cfoutput But that was too much work and this should have been solvable with iteration. It took me a couple of days to scrape together a few free minutes to come up with this: cffunction name=it output=yes cfargument name=depth type=numeric required=yes cfargument name=answerKey type=string required=no default= cfset var i = 0 cfif depth-- GT 0 cfloop from=0 to=1 index=i #it(depth,answerKey ' ' yesNoFormat(i))# /cfloop cfelse #answerKey#br/ /cfif /cffunction cfoutput#it(22)#/cfoutput I leave it to somebody else to run the code to generate the 4,194,304 combinations, but it works well up to 10 'questions'. ~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:328671 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
Re: Working out yes/no possibilities
At 10:57 AM 25/11/2009, Ian Skinner wrote: cffunction name=it output=yes cfargument name=depth type=numeric required=yes cfargument name=answerKey type=string required=no default= cfset var i = 0 cfif depth-- GT 0 cfloop from=0 to=1 index=i #it(depth,answerKey ' ' yesNoFormat(i))# /cfloop cfelse #answerKey#br/ /cfif /cffunction cfoutput#it(22)#/cfoutput I leave it to somebody else to run the code to generate the 4,194,304 combinations, but it works well up to 10 'questions'. Awesome. I think I'll generate 10 questions and then ask if he wants to take it all the way up to 22. Thanks for doing that. T ~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:328672 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
RE: Working out yes/no possibilities
Heh, I was wondering if someone would suggest that. I don't know why I
think the 1 = 1 syntax looks cooler. I think it's because that is
something you never get to write in actual code without it being wrong
so I get to feel a little naughty doing it! :)
~Brad
Original Message
Subject: Re: Working out yes/no possibilities
From: Leigh _ cfsearch...@yahoo.com
Date: Wed, November 25, 2009 6:09 am
To: cf-talk cf-talk@houseoffusion.com
INNER JOIN @question q2 ON 1 = 1
{Psst ... Cross join} ;-)
~|
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RE: Working out yes/no possibilities
Heh, good job Ian. Now, we need someone to step up and solve it with recursion. :) After that, someone can show us the line of jQuery code used to accomplish it. I'm sure there's a plug-in out there... :) ~Brad Original Message Subject: Re: Working out yes/no possibilities From: Ian Skinner h...@ilsweb.com Date: Wed, November 25, 2009 8:57 am To: cf-talk cf-talk@houseoffusion.com So, this problem has been sitting in my kitchen. The math has been proved and a good solution using database table joins provided, but I just *knew* this could be solved with looping. ~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:328677 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
Re: Working out yes/no possibilities
b...@bradwood.com wrote: Heh, good job Ian. Now, we need someone to step up and solve it with recursion. :) I thought I was using recursion? cfloop from=0 to=1 index=i #it(depth,answerKey ' ' yesNoFormat(i))# !--- recursive call to this function --- /cfloop Or do I have the wrong idea about recursion? On the other hand, sorry no JQuery solution here. ~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:328679 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
RE: Working out yes/no possibilities
Opps, I'm sorry Ian. That was, in fact, a recursive solution. That's what I get for shooting off an E-mail while walking out the door and not looking at your code close enough. :) ~Brad Original Message Subject: Re: Working out yes/no possibilities From: Ian Skinner h...@ilsweb.com Date: Wed, November 25, 2009 11:23 am To: cf-talk cf-talk@houseoffusion.com b...@bradwood.com wrote: Heh, good job Ian. Now, we need someone to step up and solve it with recursion. :) I thought I was using recursion? ~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:328680 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
RE: Working out yes/no possibilities
At 12:18 AM 24/11/2009, b...@bradwood.com wrote: So, one possible output for example would be 1010101010101010101010 where each odd numbered question was marked true, and each even numbered question was marked false. It may take a while to churn out all 4 million combinations, but it will work. May I ask why on earth you are doing this? :) Thanks for this Brad, I'll give it a shot. As to the why, my boss wants us to generate every possible answer in the questionnaire for testing purposes - I know that makes no sense at all, but mine is not to wonder why, mine is but to do and die and all that. :) T ~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:328642 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
RE: Working out yes/no possibilities
May I ask why on earth you are doing this? :) Thanks for this Brad, I'll give it a shot. As to the why, my boss wants us to generate every possible answer in the questionnaire for testing purposes - I know that makes no sense at all, but mine is not to wonder why, mine is but to do and die and all that. :) T HAHAHAHAHAHAHAHAHAHAHAHAHAHAHA! Sorry, did I just say that out loud. *snicker*. You should ask you boss how may possible combinations he thinks a test of 22 questions can have. I'd LOVE to hear how good his math skills are. Here's a thought, perhaps he simple wanted you to take the test TWICE. Once with all true and once with all false. Then you would have hit every possible answer-- just not in every possible combination. If at all possible, can you grab a pic of his face on your camera phone when you tell him there are over 4 million ways to take your test. Just wait, in a couple months he'll be wanting you to test the 50 question multiple choice quiz. Not to worry, there's only 1,267,650,600,228,229,401,496,703,205,376 possible ways to take that one. You'll have it done in no time. ~Brad *Sorry, I just had to have some fun with this one* ~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:328643 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
Re: Working out yes/no possibilities
Ahh, me knee-jerk reactions is that he is looking for cheating patterns ?? May I ask why on earth you are doing this? :) Thanks for this Brad, I'll give it a shot. As to the why, my boss wants us to generate every possible answer in the questionnaire for testing purposes - I know that makes no sense at all, but mine is not to wonder why, mine is but to do and die and all that. :) T HAHAHAHAHAHAHAHAHAHAHAHAHAHAHA! Sorry, did I just say that out loud. *snicker*. You should ask you boss how may possible combinations he thinks a test of 22 questions can have. I'd LOVE to hear how good his math skills are. Here's a thought, perhaps he simple wanted you to take the test TWICE. Once with all true and once with all false. Then you would have hit every possible answer-- just not in every possible combination. If at all possible, can you grab a pic of his face on your camera phone when you tell him there are over 4 million ways to take your test. Just wait, in a couple months he'll be wanting you to test the 50 question multiple choice quiz. Not to worry, there's only 1,267,650,600,228,229,401,496,703,205,376 possible ways to take that one. You'll have it done in no time. ~Brad *Sorry, I just had to have some fun with this one* ~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:328646 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
RE: Working out yes/no possibilities
At 12:15 PM 24/11/2009, b...@bradwood.com wrote: HAHAHAHAHAHAHAHAHAHAHAHAHAHAHA! Sorry, did I just say that out loud. *snicker*. You should ask you boss how may possible combinations he thinks a test of 22 questions can have. I'd LOVE to hear how good his math skills are. Here's a thought, perhaps he simple wanted you to take the test TWICE. Once with all true and once with all false. Then you would have hit every possible answer-- just not in every possible combination. If at all possible, can you grab a pic of his face on your camera phone when you tell him there are over 4 million ways to take your test. Just wait, in a couple months he'll be wanting you to test the 50 question multiple choice quiz. Not to worry, there's only 1,267,650,600,228,229,401,496,703,205,376 possible ways to take that one. You'll have it done in no time. ~Brad *Sorry, I just had to have some fun with this one* LOL! You're absolutely right. I feel like I'm in the middle of a dotcom startup. :) During those times, I know a guy who's job was to keep all the clocks in the place (and they had a bunch for different timezones) accurate to the second. Not that the company actually needed to have that sort of accuracy, but the boss thought it was a cool idea. T ~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:328649 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
Re: Working out yes/no possibilities
Make sure you have a simple page with the task labeled on it and then a big fat Print button. I'd be curious to see how much paper it takes to print out those 4 million combinations. Judah On Tue, Nov 24, 2009 at 2:31 PM, Thane Sherrington th...@computerconnectionltd.com wrote: At 12:15 PM 24/11/2009, b...@bradwood.com wrote: HAHAHAHAHAHAHAHAHAHAHAHAHAHAHA! Sorry, did I just say that out loud. *snicker*. You should ask you boss how may possible combinations he thinks a test of 22 questions can have. I'd LOVE to hear how good his math skills are. Here's a thought, perhaps he simple wanted you to take the test TWICE. Once with all true and once with all false. Then you would have hit every possible answer-- just not in every possible combination. If at all possible, can you grab a pic of his face on your camera phone when you tell him there are over 4 million ways to take your test. Just wait, in a couple months he'll be wanting you to test the 50 question multiple choice quiz. Not to worry, there's only 1,267,650,600,228,229,401,496,703,205,376 possible ways to take that one. You'll have it done in no time. ~Brad *Sorry, I just had to have some fun with this one* LOL! You're absolutely right. I feel like I'm in the middle of a dotcom startup. :) During those times, I know a guy who's job was to keep all the clocks in the place (and they had a bunch for different timezones) accurate to the second. Not that the company actually needed to have that sort of accuracy, but the boss thought it was a cool idea. T ~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:328650 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
Re: Working out yes/no possibilities
I feel like I'm in the middle of a dotcom startup. :) During those times, I know a guy who's job was to keep all the clocks in the place (and they had a bunch for different timezones) accurate to the second. Not that the company actually needed to have that sort of accuracy, but the boss thought it was a cool idea. Now, that is an excellent use of resources. Dilbert indeed lives. Sounds to me more like they might need someone to keep things from blinking 12:00. At one place I worked 12 o'clock blinker was a code word for the, how would you say... the technologically challenged. As in, everything in the place was blinking twelve o'clock G! On Tue, Nov 24, 2009 at 5:31 PM, Thane Sherrington th...@computerconnectionltd.com wrote: At 12:15 PM 24/11/2009, b...@bradwood.com wrote: -- Gerald Guido http://www.myinternetisbroken.com Wait. We can't stop here. This is bat country. -- HST ~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:328651 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
Re: Working out yes/no possibilities
Well, the 23rd position of binary is the total number of answers. :) But if you are looking for a way to store it, why not just a string of 22 characters? On Mon, Nov 23, 2009 at 5:19 PM, Thane Sherrington th...@computerconnectionltd.com wrote: I have a yes/no questionnaire that I want to fill out with every possible pattern of answers - there are 22 questions in total, and I'm trying to come up with an algorithm that will give me every pattern of answers, but I'm just not bright enough to do it. :) Can anyone point me in the right direction? Thanks, T ~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:328635 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
Re: Working out yes/no possibilities
I'd like to get the pattern of answers for each possible pattern (so to make this simpler, let's assume there are only 3 questions) I'd like to figure out an algorithm that will generate: YYY NYY NNY NNN YNN YYN YNY NYN etc. T At 09:32 PM 23/11/2009, Phillip Vector wrote: Well, the 23rd position of binary is the total number of answers. :) But if you are looking for a way to store it, why not just a string of 22 characters? On Mon, Nov 23, 2009 at 5:19 PM, Thane Sherrington th...@computerconnectionltd.com wrote: I have a yes/no questionnaire that I want to fill out with every possible pattern of answers - there are 22 questions in total, and I'm trying to come up with an algorithm that will give me every pattern of answers, but I'm just not bright enough to do it. :) Can anyone point me in the right direction? Thanks, T ~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:328636 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
Re: Working out yes/no possibilities
A couple of loops. cfoutput cfloop from=1 to=22 index=i Itteration = #i# cfloop from=0 to=1 index=x #yesOrNoFormat(x)# /cfloop br/ /cfloop /cfoutput ~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:328637 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
Re: Working out yes/no possibilities
On 11/23/2009 6:51 PM, Ian Skinner wrote: A couple of loops. cfoutput cfloop from=1 to=22 index=i Itteration = #i# cfloop from=0 to=1 index=x #yesOrNoFormat(x)# /cfloop br/ /cfloop /cfoutput Never mind, but I think that is close. ~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:328638 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
RE: Working out yes/no possibilities
There are 2^22 number of combinations I believe (4,194,304). One of my favorite ways of doing this is with SQL. Create a temp table with 2 records-- yes and no. Now, join that table to itself 22 times. Each join will give you a Cartesian product, or all possible combinations. untested, but you get the idea... DECLARE @question TABLE (answer char(1)) INSERT INTO @question VALUES (0) INSERT INTO @question VALUES (1) SELECT q1.answer + q2.answer + q3.answer + q4.answer + q5.answer + q6.answer + q7.answer + q8.answer + q9.answer ... + q22.answer FROM @question q1 INNER JOIN @question q2 ON 1 = 1 INNER JOIN @question q3 ON 1 = 1 INNER JOIN @question q4 ON 1 = 1 INNER JOIN @question q5 ON 1 = 1 INNER JOIN @question q6 ON 1 = 1 INNER JOIN @question q7 ON 1 = 1 INNER JOIN @question q8 ON 1 = 1 INNER JOIN @question q9 ON 1 = 1 INNER JOIN @question q22 ON 1 = 1 So, one possible output for example would be 1010101010101010101010 where each odd numbered question was marked true, and each even numbered question was marked false. It may take a while to churn out all 4 million combinations, but it will work. May I ask why on earth you are doing this? :) ~Brad Original Message Subject: Working out yes/no possibilities From: Thane Sherrington th...@computerconnectionltd.com Date: Mon, November 23, 2009 7:19 pm To: cf-talk cf-talk@houseoffusion.com I have a yes/no questionnaire that I want to fill out with every possible pattern of answers - there are 22 questions in total, and I'm trying to come up with an algorithm that will give me every pattern of answers, but I'm just not bright enough to do it. :) Can anyone point me in the right direction? Thanks, T ~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:328639 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
RE: Working out yes/no possibilities
FWIW, I ran the code below on a test pc in my home (crappy Celeron) and it generated all 4.1 million combinations in 8 minutes and 32 seconds. I'm pretty certain you could do a little better on server hardware. ~Brad Original Message Subject: RE: Working out yes/no possibilities From: b...@bradwood.com Date: Mon, November 23, 2009 10:18 pm To: cf-talk cf-talk@houseoffusion.com There are 2^22 number of combinations I believe (4,194,304). One of my favorite ways of doing this is with SQL. Create a temp table with 2 records-- yes and no. Now, join that table to itself 22 times. Each join will give you a Cartesian product, or all possible combinations. untested, but you get the idea... DECLARE @question TABLE (answer char(1)) INSERT INTO @question VALUES (0) INSERT INTO @question VALUES (1) SELECT q1.answer + q2.answer + q3.answer + q4.answer + q5.answer + q6.answer + q7.answer + q8.answer + q9.answer ... + q22.answer FROM @question q1 INNER JOIN @question q2 ON 1 = 1 INNER JOIN @question q3 ON 1 = 1 INNER JOIN @question q4 ON 1 = 1 INNER JOIN @question q5 ON 1 = 1 INNER JOIN @question q6 ON 1 = 1 INNER JOIN @question q7 ON 1 = 1 INNER JOIN @question q8 ON 1 = 1 INNER JOIN @question q9 ON 1 = 1 INNER JOIN @question q22 ON 1 = 1 ~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:328640 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
Re: Working out yes/no possibilities
I'd recommend hiring monkeys and typewriters personally. I'm not actually sure which is harder to come by these days. Of out curiosity, what format do you want these answers in? Do you want a print out of 4 million combinations? Do you want to do something else with them? Do you want to figure out something else? Judah On Mon, Nov 23, 2009 at 5:19 PM, Thane Sherrington th...@computerconnectionltd.com wrote: I have a yes/no questionnaire that I want to fill out with every possible pattern of answers - there are 22 questions in total, and I'm trying to come up with an algorithm that will give me every pattern of answers, but I'm just not bright enough to do it. :) Can anyone point me in the right direction? Thanks, T ~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:328641 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
