From c7e75b2dc52d83d3353513ecd77fd1ea15227011 Mon Sep 17 00:00:00 2001 From: Eric Leung Date: Sun, 7 Feb 2016 00:00:39 -0800 Subject: [PATCH 1/4] Clarify characters are each unique in permutation --- .../advanced-bonfires.json | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/challenges/01-front-end-development-certification/advanced-bonfires.json b/challenges/01-front-end-development-certification/advanced-bonfires.json index 7a098352be..659b4e19b1 100644 --- a/challenges/01-front-end-development-certification/advanced-bonfires.json +++ b/challenges/01-front-end-development-certification/advanced-bonfires.json @@ -225,8 +225,8 @@ "id": "a7bf700cd123b9a54eef01d5", "title": "No repeats please", "description": [ - "Return the number of total permutations of the provided string that don't have repeated consecutive letters.", - "For example, 'aab' should return 2 because it has 6 total permutations, but only 2 of them don't have the same letter (in this case 'a') repeating.", + "Return the number of total permutations of the provided string that don't have repeated consecutive letters. Assume that duplicate characters are each unique.", + "For example, aab should return 2 because it has 6 total permutations (aab, aab, aba, aba, baa, baa), but only 2 of them (aba and aba) don't have the same letter (in this case a) repeating.", "Remember to use Read-Search-Ask if you get stuck. Try to pair program. Write your own code." ], "challengeSeed": [ From 898a902e6615451c74282ee240ab3dcab7b81ae2 Mon Sep 17 00:00:00 2001 From: Eric Leung Date: Mon, 8 Feb 2016 21:22:37 -0800 Subject: [PATCH 2/4] Clarify diff two arrays instructions - Clarify you want items that are in one but not both arrays - Add "symmetric difference" terminology for those familiar with it --- .../intermediate-bonfires.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/challenges/01-front-end-development-certification/intermediate-bonfires.json b/challenges/01-front-end-development-certification/intermediate-bonfires.json index dfbe2a5233..d62675c923 100644 --- a/challenges/01-front-end-development-certification/intermediate-bonfires.json +++ b/challenges/01-front-end-development-certification/intermediate-bonfires.json @@ -48,7 +48,7 @@ "id": "a5de63ebea8dbee56860f4f2", "title": "Diff Two Arrays", "description": [ - "Compare two arrays and return a new array with any items only found in one of the original arrays.", + "Compare two arrays and return a new array with any items only found in one of the two given arrays, but not both. In other words, return the symmetric difference of the two arrays.", "Remember to use Read-Search-Ask if you get stuck. Try to pair program. Write your own code." ], "challengeSeed": [ From baa5b9a93c40bc76c659da73bc9b320f15aa795e Mon Sep 17 00:00:00 2001 From: Eric Leung Date: Mon, 8 Feb 2016 22:47:06 -0800 Subject: [PATCH 3/4] Clarify symmetric difference definition + examples - Make definition of symmetric difference more precise - Add in set examples in description to facilitate learning of the concept - Put "symmetric difference" in `` tags --- .../advanced-bonfires.json | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/challenges/01-front-end-development-certification/advanced-bonfires.json b/challenges/01-front-end-development-certification/advanced-bonfires.json index 659b4e19b1..d79b88d1c5 100644 --- a/challenges/01-front-end-development-certification/advanced-bonfires.json +++ b/challenges/01-front-end-development-certification/advanced-bonfires.json @@ -81,8 +81,8 @@ "id": "a3f503de51cf954ede28891d", "title": "Symmetric Difference", "description": [ - "Create a function that takes two or more arrays and returns an array of the symmetric difference of the provided arrays.", - "The mathematical term symmetric difference refers to the elements in two sets that are in either the first or second set, but not in both.", + "Create a function that takes two or more arrays and returns an array of the symmetric difference (△ or ⊕) of the provided arrays.", + "Given two sets (for example set A = {1, 2, 3} and set B = {2, 3, 4}), the mathematical term \"symmetric difference\" of two sets is the set of elements which are in either of the two sets, but not in both (A △ B = C = {1, 4}). For every additional symmetric difference you take (say on a set D = {2, 3}), you should get the set with elements which are in either of the two the sets but not both (C △ D = {1, 4} △ {2, 3} = {1, 2, 3, 4}).", "Remember to use Read-Search-Ask if you get stuck. Try to pair program. Write your own code." ], "challengeSeed": [ From e18ef9c1837c3d084de598ef4363c285e5955b95 Mon Sep 17 00:00:00 2001 From: Mrugesh Mohapatra Date: Tue, 9 Feb 2016 23:56:19 +0530 Subject: [PATCH 4/4] Fix text of the challenge with better wording This commit changes the into text of the challenge with better wording, as discussed in the issue thread. Tested locally. --- .../01-front-end-development-certification/bootstrap.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/challenges/01-front-end-development-certification/bootstrap.json b/challenges/01-front-end-development-certification/bootstrap.json index 098ebc5885..dd5fcf5942 100644 --- a/challenges/01-front-end-development-certification/bootstrap.json +++ b/challenges/01-front-end-development-certification/bootstrap.json @@ -950,7 +950,7 @@ "id": "bad87fee1348bd9aede08845", "title": "Create a Custom Heading", "description": [ - "We will make a simple heading for our Cat Photo App by putting them in the same row.", + "We will make a simple heading for our Cat Photo App by putting the title and relaxing cat image in the same row.", "Remember, Bootstrap uses a responsive grid system, which makes it easy to put elements into rows and specify each element's relative width. Most of Bootstrap's classes can be applied to a div element.", "Here's a diagram of how Bootstrap's 12-column grid layout works:", "\"an",