Sync metadata (#2313)

IsaacG · web-flow · commit c5ecf323292e · 2023-05-20T03:53:34.000+02:00
diff --git a/exercises/practice/affine-cipher/.meta/config.json b/exercises/practice/affine-cipher/.meta/config.json
@@ -26,5 +26,5 @@
   },
   "blurb": "Create an implementation of the Affine cipher, an ancient encryption algorithm from the Middle East.",
   "source": "Wikipedia",
-  "source_url": "http://en.wikipedia.org/wiki/Affine_cipher"
+  "source_url": "https://en.wikipedia.org/wiki/Affine_cipher"
 }
diff --git a/exercises/practice/allergies/.meta/config.json b/exercises/practice/allergies/.meta/config.json
@@ -44,6 +44,6 @@
     ]
   },
   "blurb": "Given a person's allergy score, determine whether or not they're allergic to a given item, and their full list of allergies.",
-  "source": "Jumpstart Lab Warm-up",
-  "source_url": "http://jumpstartlab.com"
+  "source": "Exercise by the JumpstartLab team for students at The Turing School of Software and Design.",
+  "source_url": "https://turing.edu"
 }
diff --git a/exercises/practice/atbash-cipher/.meta/config.json b/exercises/practice/atbash-cipher/.meta/config.json
@@ -41,5 +41,5 @@
   },
   "blurb": "Create an implementation of the atbash cipher, an ancient encryption system created in the Middle East.",
   "source": "Wikipedia",
-  "source_url": "http://en.wikipedia.org/wiki/Atbash"
+  "source_url": "https://en.wikipedia.org/wiki/Atbash"
 }
diff --git a/exercises/practice/beer-song/.meta/config.json b/exercises/practice/beer-song/.meta/config.json
@@ -39,5 +39,5 @@
   },
   "blurb": "Produce the lyrics to that beloved classic, that field-trip favorite: 99 Bottles of Beer on the Wall.",
   "source": "Learn to Program by Chris Pine",
-  "source_url": "http://pine.fm/LearnToProgram/?Chapter=06"
+  "source_url": "https://pine.fm/LearnToProgram/?Chapter=06"
 }
diff --git a/exercises/practice/binary-search/.meta/config.json b/exercises/practice/binary-search/.meta/config.json
@@ -43,5 +43,5 @@
   },
   "blurb": "Implement a binary search algorithm.",
   "source": "Wikipedia",
-  "source_url": "http://en.wikipedia.org/wiki/Binary_search_algorithm"
+  "source_url": "https://en.wikipedia.org/wiki/Binary_search_algorithm"
 }
diff --git a/exercises/practice/bob/.meta/config.json b/exercises/practice/bob/.meta/config.json
@@ -41,5 +41,5 @@
   },
   "blurb": "Bob is a lackadaisical teenager. In conversation, his responses are very limited.",
   "source": "Inspired by the 'Deaf Grandma' exercise in Chris Pine's Learn to Program tutorial.",
-  "source_url": "http://pine.fm/LearnToProgram/?Chapter=06"
+  "source_url": "https://pine.fm/LearnToProgram/?Chapter=06"
 }
diff --git a/exercises/practice/book-store/.meta/config.json b/exercises/practice/book-store/.meta/config.json
@@ -37,5 +37,5 @@
   },
   "blurb": "To try and encourage more sales of different books from a popular 5 book series, a bookshop has decided to offer discounts of multiple-book purchases.",
   "source": "Inspired by the harry potter kata from Cyber-Dojo.",
-  "source_url": "http://cyber-dojo.org"
+  "source_url": "https://cyber-dojo.org"
 }
diff --git a/exercises/practice/bowling/.meta/config.json b/exercises/practice/bowling/.meta/config.json
@@ -33,6 +33,6 @@
     ]
   },
   "blurb": "Score a bowling game.",
-  "source": "The Bowling Game Kata at but UncleBob",
-  "source_url": "http://butunclebob.com/ArticleS.UncleBob.TheBowlingGameKata"
+  "source": "The Bowling Game Kata from UncleBob",
+  "source_url": "https://web.archive.org/web/20221001111000/http://butunclebob.com/ArticleS.UncleBob.TheBowlingGameKata"
 }
diff --git a/exercises/practice/circular-buffer/.meta/config.json b/exercises/practice/circular-buffer/.meta/config.json
@@ -38,5 +38,5 @@
   },
   "blurb": "A data structure that uses a single, fixed-size buffer as if it were connected end-to-end.",
   "source": "Wikipedia",
-  "source_url": "http://en.wikipedia.org/wiki/Circular_buffer"
+  "source_url": "https://en.wikipedia.org/wiki/Circular_buffer"
 }
diff --git a/exercises/practice/crypto-square/.meta/config.json b/exercises/practice/crypto-square/.meta/config.json
@@ -39,5 +39,5 @@
   },
   "blurb": "Implement the classic method for composing secret messages called a square code.",
   "source": "J Dalbey's Programming Practice problems",
-  "source_url": "http://users.csc.calpoly.edu/~jdalbey/103/Projects/ProgrammingPractice.html"
+  "source_url": "https://users.csc.calpoly.edu/~jdalbey/103/Projects/ProgrammingPractice.html"
 }
diff --git a/exercises/practice/diamond/.meta/config.json b/exercises/practice/diamond/.meta/config.json
@@ -36,5 +36,5 @@
   },
   "blurb": "Given a letter, print a diamond starting with 'A' with the supplied letter at the widest point.",
   "source": "Seb Rose",
-  "source_url": "http://claysnow.co.uk/recycling-tests-in-tdd/"
+  "source_url": "https://web.archive.org/web/20220807163751/http://claysnow.co.uk/recycling-tests-in-tdd/"
 }
diff --git a/exercises/practice/difference-of-squares/.meta/config.json b/exercises/practice/difference-of-squares/.meta/config.json
@@ -40,5 +40,5 @@
   },
   "blurb": "Find the difference between the square of the sum and the sum of the squares of the first N natural numbers.",
   "source": "Problem 6 at Project Euler",
-  "source_url": "http://projecteuler.net/problem=6"
+  "source_url": "https://projecteuler.net/problem=6"
 }
diff --git a/exercises/practice/diffie-hellman/.meta/config.json b/exercises/practice/diffie-hellman/.meta/config.json
@@ -28,5 +28,5 @@
   },
   "blurb": "Diffie-Hellman key exchange.",
   "source": "Wikipedia, 1024 bit key from www.cryptopp.com/wiki.",
-  "source_url": "http://en.wikipedia.org/wiki/Diffie%E2%80%93Hellman_key_exchange"
+  "source_url": "https://en.wikipedia.org/wiki/Diffie%E2%80%93Hellman_key_exchange"
 }
diff --git a/exercises/practice/etl/.meta/config.json b/exercises/practice/etl/.meta/config.json
@@ -40,7 +40,7 @@
       "build.gradle"
     ]
   },
-  "blurb": "We are going to do the `Transform` step of an Extract-Transform-Load.",
-  "source": "The Jumpstart Lab team",
-  "source_url": "http://jumpstartlab.com"
+  "blurb": "Change the data format for scoring a game to more easily add other languages.",
+  "source": "Based on an exercise by the JumpstartLab team for students at The Turing School of Software and Design.",
+  "source_url": "https://turing.edu"
 }
diff --git a/exercises/practice/food-chain/.meta/config.json b/exercises/practice/food-chain/.meta/config.json
@@ -30,7 +30,7 @@
       "build.gradle"
     ]
   },
-  "blurb": "Generate the lyrics of the song \"I Know an Old Lady Who Swallowed a Fly.\"",
+  "blurb": "Generate the lyrics of the song 'I Know an Old Lady Who Swallowed a Fly'.",
   "source": "Wikipedia",
-  "source_url": "http://en.wikipedia.org/wiki/There_Was_an_Old_Lady_Who_Swallowed_a_Fly"
+  "source_url": "https://en.wikipedia.org/wiki/There_Was_an_Old_Lady_Who_Swallowed_a_Fly"
 }
diff --git a/exercises/practice/gigasecond/.meta/config.json b/exercises/practice/gigasecond/.meta/config.json
@@ -36,5 +36,5 @@
   },
   "blurb": "Given a moment, determine the moment that would be after a gigasecond has passed.",
   "source": "Chapter 9 in Chris Pine's online Learn to Program tutorial.",
-  "source_url": "http://pine.fm/LearnToProgram/?Chapter=09"
+  "source_url": "https://pine.fm/LearnToProgram/?Chapter=09"
 }
diff --git a/exercises/practice/grade-school/.meta/config.json b/exercises/practice/grade-school/.meta/config.json
@@ -44,6 +44,5 @@
     ]
   },
   "blurb": "Given students' names along with the grade that they are in, create a roster for the school.",
-  "source": "A pairing session with Phil Battos at gSchool",
-  "source_url": "http://gschool.it"
+  "source": "A pairing session with Phil Battos at gSchool"
 }
diff --git a/exercises/practice/grains/.meta/config.json b/exercises/practice/grains/.meta/config.json
@@ -25,6 +25,6 @@
     ]
   },
   "blurb": "Calculate the number of grains of wheat on a chessboard given that the number on each square doubles.",
-  "source": "JavaRanch Cattle Drive, exercise 6",
-  "source_url": "http://www.javaranch.com/grains.jsp"
+  "source": "The CodeRanch Cattle Drive, Assignment 6",
+  "source_url": "https://coderanch.com/wiki/718824/Grains"
 }
diff --git a/exercises/practice/grep/.meta/config.json b/exercises/practice/grep/.meta/config.json
@@ -28,5 +28,5 @@
   },
   "blurb": "Search a file for lines matching a regular expression pattern. Return the line number and contents of each matching line.",
   "source": "Conversation with Nate Foster.",
-  "source_url": "http://www.cs.cornell.edu/Courses/cs3110/2014sp/hw/0/ps0.pdf"
+  "source_url": "https://www.cs.cornell.edu/Courses/cs3110/2014sp/hw/0/ps0.pdf"
 }
diff --git a/exercises/practice/hamming/.meta/config.json b/exercises/practice/hamming/.meta/config.json
@@ -45,5 +45,5 @@
   },
   "blurb": "Calculate the Hamming difference between two DNA strands.",
   "source": "The Calculating Point Mutations problem at Rosalind",
-  "source_url": "http://rosalind.info/problems/hamm/"
+  "source_url": "https://rosalind.info/problems/hamm/"
 }
diff --git a/exercises/practice/hello-world/.meta/config.json b/exercises/practice/hello-world/.meta/config.json
@@ -41,7 +41,7 @@
       "build.gradle"
     ]
   },
-  "blurb": "The classical introductory exercise. Just say \"Hello, World!\"",
+  "blurb": "The classical introductory exercise. Just say \"Hello, World!\".",
   "source": "This is an exercise to introduce users to using Exercism",
-  "source_url": "http://en.wikipedia.org/wiki/%22Hello,_world!%22_program"
+  "source_url": "https://en.wikipedia.org/wiki/%22Hello,_world!%22_program"
 }
diff --git a/exercises/practice/house/.meta/config.json b/exercises/practice/house/.meta/config.json
@@ -33,5 +33,5 @@
   },
   "blurb": "Output the nursery rhyme 'This is the House that Jack Built'.",
   "source": "British nursery rhyme",
-  "source_url": "http://en.wikipedia.org/wiki/This_Is_The_House_That_Jack_Built"
+  "source_url": "https://en.wikipedia.org/wiki/This_Is_The_House_That_Jack_Built"
 }
diff --git a/exercises/practice/kindergarten-garden/.meta/config.json b/exercises/practice/kindergarten-garden/.meta/config.json
@@ -38,6 +38,6 @@
     ]
   },
   "blurb": "Given a diagram, determine which plants each child in the kindergarten class is responsible for.",
-  "source": "Random musings during airplane trip.",
-  "source_url": "http://jumpstartlab.com"
+  "source": "Exercise by the JumpstartLab team for students at The Turing School of Software and Design.",
+  "source_url": "https://turing.edu"
 }
diff --git a/exercises/practice/largest-series-product/.meta/config.json b/exercises/practice/largest-series-product/.meta/config.json
@@ -38,7 +38,7 @@
       "build.gradle"
     ]
   },
-  "blurb": "Given a string of digits, calculate the largest product for a contiguous substring of digits of length `n`.",
+  "blurb": "Given a string of digits, calculate the largest product for a contiguous substring of digits of length n.",
   "source": "A variation on Problem 8 at Project Euler",
-  "source_url": "http://projecteuler.net/problem=8"
+  "source_url": "https://projecteuler.net/problem=8"
 }
diff --git a/exercises/practice/leap/.meta/config.json b/exercises/practice/leap/.meta/config.json
@@ -24,6 +24,6 @@
     ]
   },
   "blurb": "Given a year, report if it is a leap year.",
-  "source": "JavaRanch Cattle Drive, exercise 3",
-  "source_url": "http://www.javaranch.com/leap.jsp"
+  "source": "CodeRanch Cattle Drive, Assignment 3",
+  "source_url": "https://coderanch.com/t/718816/Leap"
 }
diff --git a/exercises/practice/list-ops/.meta/config.json b/exercises/practice/list-ops/.meta/config.json
@@ -37,5 +37,5 @@
       "build.gradle"
     ]
   },
-  "blurb": "Implement basic list operations"
+  "blurb": "Implement basic list operations."
 }
diff --git a/exercises/practice/luhn/.meta/config.json b/exercises/practice/luhn/.meta/config.json
@@ -40,5 +40,5 @@
   },
   "blurb": "Given a number determine whether or not it is valid per the Luhn formula.",
   "source": "The Luhn Algorithm on Wikipedia",
-  "source_url": "http://en.wikipedia.org/wiki/Luhn_algorithm"
+  "source_url": "https://en.wikipedia.org/wiki/Luhn_algorithm"
 }
diff --git a/exercises/practice/matrix/.meta/config.json b/exercises/practice/matrix/.meta/config.json
@@ -35,6 +35,6 @@
     ]
   },
   "blurb": "Given a string representing a matrix of numbers, return the rows and columns of that matrix.",
-  "source": "Warmup to the `saddle-points` warmup.",
-  "source_url": "http://jumpstartlab.com"
+  "source": "Exercise by the JumpstartLab team for students at The Turing School of Software and Design.",
+  "source_url": "https://turing.edu"
 }
diff --git a/exercises/practice/nth-prime/.meta/config.json b/exercises/practice/nth-prime/.meta/config.json
@@ -42,5 +42,5 @@
   },
   "blurb": "Given a number n, determine what the nth prime is.",
   "source": "A variation on Problem 7 at Project Euler",
-  "source_url": "http://projecteuler.net/problem=7"
+  "source_url": "https://projecteuler.net/problem=7"
 }
diff --git a/exercises/practice/nucleotide-count/.meta/config.json b/exercises/practice/nucleotide-count/.meta/config.json
@@ -45,5 +45,5 @@
   },
   "blurb": "Given a DNA string, compute how many times each nucleotide occurs in the string.",
   "source": "The Calculating DNA Nucleotides_problem at Rosalind",
-  "source_url": "http://rosalind.info/problems/dna/"
+  "source_url": "https://rosalind.info/problems/dna/"
 }
diff --git a/exercises/practice/ocr-numbers/.meta/config.json b/exercises/practice/ocr-numbers/.meta/config.json
@@ -36,5 +36,5 @@
   },
   "blurb": "Given a 3 x 4 grid of pipes, underscores, and spaces, determine which number is represented, or whether it is garbled.",
   "source": "Inspired by the Bank OCR kata",
-  "source_url": "http://codingdojo.org/cgi-bin/wiki.pl?KataBankOCR"
+  "source_url": "https://codingdojo.org/kata/BankOCR/"
 }
diff --git a/exercises/practice/palindrome-products/.meta/config.json b/exercises/practice/palindrome-products/.meta/config.json
@@ -35,5 +35,5 @@
   },
   "blurb": "Detect palindrome products in a given range.",
   "source": "Problem 4 at Project Euler",
-  "source_url": "http://projecteuler.net/problem=4"
+  "source_url": "https://projecteuler.net/problem=4"
 }
diff --git a/exercises/practice/pascals-triangle/.meta/config.json b/exercises/practice/pascals-triangle/.meta/config.json
@@ -41,5 +41,5 @@
   },
   "blurb": "Compute Pascal's triangle up to a given number of rows.",
   "source": "Pascal's Triangle at Wolfram Math World",
-  "source_url": "http://mathworld.wolfram.com/PascalsTriangle.html"
+  "source_url": "https://www.wolframalpha.com/input/?i=Pascal%27s+triangle"
 }
diff --git a/exercises/practice/perfect-numbers/.meta/config.json b/exercises/practice/perfect-numbers/.meta/config.json
@@ -38,5 +38,5 @@
   },
   "blurb": "Determine if a number is perfect, abundant, or deficient based on Nicomachus' (60 - 120 CE) classification scheme for positive integers.",
   "source": "Taken from Chapter 2 of Functional Thinking by Neal Ford.",
-  "source_url": "http://shop.oreilly.com/product/0636920029687.do"
+  "source_url": "https://www.oreilly.com/library/view/functional-thinking/9781449365509/"
 }
diff --git a/exercises/practice/phone-number/.meta/config.json b/exercises/practice/phone-number/.meta/config.json
@@ -42,6 +42,6 @@
     ]
   },
   "blurb": "Clean up user-entered phone numbers so that they can be sent SMS messages.",
-  "source": "Event Manager by JumpstartLab",
-  "source_url": "http://tutorials.jumpstartlab.com/projects/eventmanager.html"
+  "source": "Exercise by the JumpstartLab team for students at The Turing School of Software and Design.",
+  "source_url": "https://turing.edu"
 }
diff --git a/exercises/practice/poker/.meta/config.json b/exercises/practice/poker/.meta/config.json
@@ -35,5 +35,5 @@
   },
   "blurb": "Pick the best hand(s) from a list of poker hands.",
   "source": "Inspired by the training course from Udacity.",
-  "source_url": "https://www.udacity.com/course/viewer#!/c-cs212/"
+  "source_url": "https://www.udacity.com/course/design-of-computer-programs--cs212"
 }
diff --git a/exercises/practice/prime-factors/.meta/config.json b/exercises/practice/prime-factors/.meta/config.json
@@ -37,5 +37,5 @@
   },
   "blurb": "Compute the prime factors of a given natural number.",
   "source": "The Prime Factors Kata by Uncle Bob",
-  "source_url": "http://butunclebob.com/ArticleS.UncleBob.ThePrimeFactorsKata"
+  "source_url": "https://web.archive.org/web/20221026171801/http://butunclebob.com/ArticleS.UncleBob.ThePrimeFactorsKata"
 }
diff --git a/exercises/practice/proverb/.meta/config.json b/exercises/practice/proverb/.meta/config.json
@@ -29,5 +29,5 @@
   },
   "blurb": "For want of a horseshoe nail, a kingdom was lost, or so the saying goes. Output the full text of this proverbial rhyme.",
   "source": "Wikipedia",
-  "source_url": "http://en.wikipedia.org/wiki/For_Want_of_a_Nail"
+  "source_url": "https://en.wikipedia.org/wiki/For_Want_of_a_Nail"
 }
diff --git a/exercises/practice/pythagorean-triplet/.meta/config.json b/exercises/practice/pythagorean-triplet/.meta/config.json
@@ -38,5 +38,5 @@
   },
   "blurb": "There exists exactly one Pythagorean triplet for which a + b + c = 1000. Find the product a * b * c.",
   "source": "Problem 9 at Project Euler",
-  "source_url": "http://projecteuler.net/problem=9"
+  "source_url": "https://projecteuler.net/problem=9"
 }
diff --git a/exercises/practice/queen-attack/.meta/config.json b/exercises/practice/queen-attack/.meta/config.json
@@ -39,5 +39,5 @@
   },
   "blurb": "Given the position of two queens on a chess board, indicate whether or not they are positioned so that they can attack each other.",
   "source": "J Dalbey's Programming Practice problems",
-  "source_url": "http://users.csc.calpoly.edu/~jdalbey/103/Projects/ProgrammingPractice.html"
+  "source_url": "https://users.csc.calpoly.edu/~jdalbey/103/Projects/ProgrammingPractice.html"
 }
diff --git a/exercises/practice/rna-transcription/.meta/config.json b/exercises/practice/rna-transcription/.meta/config.json
@@ -40,5 +40,5 @@
   },
   "blurb": "Given a DNA strand, return its RNA Complement Transcription.",
   "source": "Hyperphysics",
-  "source_url": "http://hyperphysics.phy-astr.gsu.edu/hbase/Organic/transcription.html"
+  "source_url": "https://web.archive.org/web/20220408112140/http://hyperphysics.phy-astr.gsu.edu/hbase/Organic/transcription.html"
 }
diff --git a/exercises/practice/roman-numerals/.meta/config.json b/exercises/practice/roman-numerals/.meta/config.json
@@ -37,5 +37,5 @@
   },
   "blurb": "Write a function to convert from normal numbers to Roman Numerals.",
   "source": "The Roman Numeral Kata",
-  "source_url": "http://codingdojo.org/cgi-bin/index.pl?KataRomanNumerals"
+  "source_url": "https://codingdojo.org/kata/RomanNumerals/"
 }
diff --git a/exercises/practice/saddle-points/.meta/config.json b/exercises/practice/saddle-points/.meta/config.json
@@ -41,5 +41,5 @@
   },
   "blurb": "Detect saddle points in a matrix.",
   "source": "J Dalbey's Programming Practice problems",
-  "source_url": "http://users.csc.calpoly.edu/~jdalbey/103/Projects/ProgrammingPractice.html"
+  "source_url": "https://users.csc.calpoly.edu/~jdalbey/103/Projects/ProgrammingPractice.html"
 }
diff --git a/exercises/practice/say/.meta/config.json b/exercises/practice/say/.meta/config.json
@@ -20,6 +20,6 @@
     ]
   },
   "blurb": "Given a number from 0 to 999,999,999,999, spell out that number in English.",
-  "source": "A variation on JavaRanch CattleDrive, exercise 4a",
-  "source_url": "http://www.javaranch.com/say.jsp"
+  "source": "A variation on the JavaRanch CattleDrive, Assignment 4",
+  "source_url": "https://coderanch.com/wiki/718804"
 }
diff --git a/exercises/practice/secret-handshake/.meta/config.json b/exercises/practice/secret-handshake/.meta/config.json
@@ -38,5 +38,5 @@
   },
   "blurb": "Given a decimal number, convert it to the appropriate sequence of events for a secret handshake.",
   "source": "Bert, in Mary Poppins",
-  "source_url": "http://www.imdb.com/title/tt0058331/quotes/qt0437047"
+  "source_url": "https://www.imdb.com/title/tt0058331/quotes/qt0437047"
 }
diff --git a/exercises/practice/series/.meta/config.json b/exercises/practice/series/.meta/config.json
@@ -43,5 +43,5 @@
   },
   "blurb": "Given a string of digits, output all the contiguous substrings of length `n` in that string.",
   "source": "A subset of the Problem 8 at Project Euler",
-  "source_url": "http://projecteuler.net/problem=8"
+  "source_url": "https://projecteuler.net/problem=8"
 }
diff --git a/exercises/practice/sieve/.meta/config.json b/exercises/practice/sieve/.meta/config.json
@@ -38,5 +38,5 @@
   },
   "blurb": "Use the Sieve of Eratosthenes to find all the primes from 2 up to a given number.",
   "source": "Sieve of Eratosthenes at Wikipedia",
-  "source_url": "http://en.wikipedia.org/wiki/Sieve_of_Eratosthenes"
+  "source_url": "https://en.wikipedia.org/wiki/Sieve_of_Eratosthenes"
 }
diff --git a/exercises/practice/simple-cipher/.meta/config.json b/exercises/practice/simple-cipher/.meta/config.json
@@ -37,5 +37,5 @@
   },
   "blurb": "Implement a simple shift cipher like Caesar and a more secure substitution cipher.",
   "source": "Substitution Cipher at Wikipedia",
-  "source_url": "http://en.wikipedia.org/wiki/Substitution_cipher"
+  "source_url": "https://en.wikipedia.org/wiki/Substitution_cipher"
 }
diff --git a/exercises/practice/space-age/.meta/config.json b/exercises/practice/space-age/.meta/config.json
@@ -36,5 +36,5 @@
   },
   "blurb": "Given an age in seconds, calculate how old someone is in terms of a given planet's solar years.",
   "source": "Partially inspired by Chapter 1 in Chris Pine's online Learn to Program tutorial.",
-  "source_url": "http://pine.fm/LearnToProgram/?Chapter=01"
+  "source_url": "https://pine.fm/LearnToProgram/?Chapter=01"
 }
diff --git a/exercises/practice/spiral-matrix/.meta/config.json b/exercises/practice/spiral-matrix/.meta/config.json
@@ -29,7 +29,7 @@
       "build.gradle"
     ]
   },
-  "blurb": " Given the size, return a square matrix of numbers in spiral order.",
+  "blurb": "Given the size, return a square matrix of numbers in spiral order.",
   "source": "Reddit r/dailyprogrammer challenge #320 [Easy] Spiral Ascension.",
   "source_url": "https://www.reddit.com/r/dailyprogrammer/comments/6i60lr/20170619_challenge_320_easy_spiral_ascension/"
 }
diff --git a/exercises/practice/sum-of-multiples/.meta/config.json b/exercises/practice/sum-of-multiples/.meta/config.json
@@ -40,5 +40,5 @@
   },
   "blurb": "Given a number, find the sum of all the multiples of particular numbers up to but not including that number.",
   "source": "A variation on Problem 1 at Project Euler",
-  "source_url": "http://projecteuler.net/problem=1"
+  "source_url": "https://projecteuler.net/problem=1"
 }
diff --git a/exercises/practice/triangle/.meta/config.json b/exercises/practice/triangle/.meta/config.json
@@ -42,5 +42,5 @@
   },
   "blurb": "Determine if a triangle is equilateral, isosceles, or scalene.",
   "source": "The Ruby Koans triangle project, parts 1 & 2",
-  "source_url": "http://rubykoans.com"
+  "source_url": "https://web.archive.org/web/20220831105330/http://rubykoans.com"
 }
diff --git a/exercises/practice/twelve-days/.meta/config.json b/exercises/practice/twelve-days/.meta/config.json
diff --git a/exercises/practice/two-bucket/.meta/config.json b/exercises/practice/two-bucket/.meta/config.json
diff --git a/exercises/practice/two-fer/.meta/config.json b/exercises/practice/two-fer/.meta/config.json

Original file line number	Diff line number	Diff line change
`@@ -26,5 +26,5 @@`
`26`	`26`	`},`
`27`	`27`	`"blurb": "Create an implementation of the Affine cipher, an ancient encryption algorithm from the Middle East.",`
`28`	`28`	`"source": "Wikipedia",`
`29`		`- "source_url": "http://en.wikipedia.org/wiki/Affine_cipher"`
	`29`	`+ "source_url": "https://en.wikipedia.org/wiki/Affine_cipher"`
`30`	`30`	`}`
Original file line number	Diff line number	Diff line change
`@@ -44,6 +44,6 @@`
`44`	`44`	`]`
`45`	`45`	`},`
`46`	`46`	`"blurb": "Given a person's allergy score, determine whether or not they're allergic to a given item, and their full list of allergies.",`
`47`		`- "source": "Jumpstart Lab Warm-up",`
`48`		`- "source_url": "http://jumpstartlab.com"`
	`47`	`+ "source": "Exercise by the JumpstartLab team for students at The Turing School of Software and Design.",`
	`48`	`+ "source_url": "https://turing.edu"`
`49`	`49`	`}`
Original file line number	Diff line number	Diff line change
`@@ -41,5 +41,5 @@`
`41`	`41`	`},`
`42`	`42`	`"blurb": "Create an implementation of the atbash cipher, an ancient encryption system created in the Middle East.",`
`43`	`43`	`"source": "Wikipedia",`
`44`		`- "source_url": "http://en.wikipedia.org/wiki/Atbash"`
	`44`	`+ "source_url": "https://en.wikipedia.org/wiki/Atbash"`
`45`	`45`	`}`
Original file line number	Diff line number	Diff line change
`@@ -39,5 +39,5 @@`
`39`	`39`	`},`
`40`	`40`	`"blurb": "Produce the lyrics to that beloved classic, that field-trip favorite: 99 Bottles of Beer on the Wall.",`
`41`	`41`	`"source": "Learn to Program by Chris Pine",`
`42`		`- "source_url": "http://pine.fm/LearnToProgram/?Chapter=06"`
	`42`	`+ "source_url": "https://pine.fm/LearnToProgram/?Chapter=06"`
`43`	`43`	`}`
Original file line number	Diff line number	Diff line change
`@@ -43,5 +43,5 @@`
`43`	`43`	`},`
`44`	`44`	`"blurb": "Implement a binary search algorithm.",`
`45`	`45`	`"source": "Wikipedia",`
`46`		`- "source_url": "http://en.wikipedia.org/wiki/Binary_search_algorithm"`
	`46`	`+ "source_url": "https://en.wikipedia.org/wiki/Binary_search_algorithm"`
`47`	`47`	`}`
Original file line number	Diff line number	Diff line change
`@@ -37,5 +37,5 @@`
`37`	`37`	`},`
`38`	`38`	`"blurb": "To try and encourage more sales of different books from a popular 5 book series, a bookshop has decided to offer discounts of multiple-book purchases.",`
`39`	`39`	`"source": "Inspired by the harry potter kata from Cyber-Dojo.",`
`40`		`- "source_url": "http://cyber-dojo.org"`
	`40`	`+ "source_url": "https://cyber-dojo.org"`
`41`	`41`	`}`
Original file line number	Diff line number	Diff line change
`@@ -33,6 +33,6 @@`
`33`	`33`	`]`
`34`	`34`	`},`
`35`	`35`	`"blurb": "Score a bowling game.",`
`36`		`- "source": "The Bowling Game Kata at but UncleBob",`
`37`		`- "source_url": "http://butunclebob.com/ArticleS.UncleBob.TheBowlingGameKata"`
	`36`	`+ "source": "The Bowling Game Kata from UncleBob",`
	`37`	`+ "source_url": "https://web.archive.org/web/20221001111000/http://butunclebob.com/ArticleS.UncleBob.TheBowlingGameKata"`
`38`	`38`	`}`
Original file line number	Diff line number	Diff line change
`@@ -38,5 +38,5 @@`
`38`	`38`	`},`
`39`	`39`	`"blurb": "A data structure that uses a single, fixed-size buffer as if it were connected end-to-end.",`
`40`	`40`	`"source": "Wikipedia",`
`41`		`- "source_url": "http://en.wikipedia.org/wiki/Circular_buffer"`
	`41`	`+ "source_url": "https://en.wikipedia.org/wiki/Circular_buffer"`
`42`	`42`	`}`