Sync exercise metadata

exercises/practice/acronym/.meta/config.json

@@ -27,7 +27,7 @@
       ".meta/src/reference/kotlin/Acronym.kt"
     ]
   },
-  "blurb": "Convert a long phrase to its acronym",
+  "blurb": "Convert a long phrase to its acronym.",
   "source": "Julien Vanier",
   "source_url": "https://github.com/monkbroc"
 }

exercises/practice/affine-cipher/.meta/config.json

@@ -19,5 +19,5 @@
   },
   "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"
 }

exercises/practice/allergies/.meta/config.json

@@ -26,6 +26,6 @@
     ]
   },
   "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"
 }

exercises/practice/armstrong-numbers/.meta/config.json

@@ -17,7 +17,7 @@
       ".meta/src/reference/kotlin/ArmstrongNumber.kt"
     ]
   },
-  "blurb": "Determine if a number is an Armstrong number",
+  "blurb": "Determine if a number is an Armstrong number.",
   "source": "Wikipedia",
   "source_url": "https://en.wikipedia.org/wiki/Narcissistic_number"
 }

exercises/practice/atbash-cipher/.meta/config.json

@@ -28,5 +28,5 @@
   },
   "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"
 }

exercises/practice/beer-song/.meta/config.json

@@ -27,5 +27,5 @@
   },
   "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"
 }

exercises/practice/binary-search-tree/.meta/config.json

@@ -19,6 +19,5 @@
     ]
   },
   "blurb": "Insert and search for numbers in a binary tree.",
-  "source": "Josh Cheek",
-  "source_url": "https://twitter.com/josh_cheek"
+  "source": "Josh Cheek"
 }

exercises/practice/binary-search/.meta/config.json

@@ -28,5 +28,5 @@
   },
   "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"
 }

exercises/practice/bob/.meta/config.json

@@ -27,5 +27,5 @@
   },
   "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"
 }

exercises/practice/change/.meta/config.json

@@ -26,7 +26,7 @@
       ".meta/src/reference/kotlin/ChangeCalculator.kt"
     ]
   },
-  "blurb": "Correctly determine change to be given using the least number of coins",
+  "blurb": "Correctly determine change to be given using the least number of coins.",
   "source": "Software Craftsmanship - Coin Change Kata",
   "source_url": "https://web.archive.org/web/20130115115225/http://craftsmanship.sv.cmu.edu:80/exercises/coin-change-kata"
 }

exercises/practice/clock/.meta/config.json

@@ -27,6 +27,5 @@
     ]
   },
   "blurb": "Implement a clock that handles times without dates.",
-  "source": "Pairing session with Erin Drummond",
-  "source_url": "https://twitter.com/ebdrummond"
+  "source": "Pairing session with Erin Drummond"
 }

exercises/practice/collatz-conjecture/.meta/config.json

@@ -23,7 +23,7 @@
       ".meta/src/reference/kotlin/CollatzCalculator.kt"
     ]
   },
-  "blurb": "Calculate the number of steps to reach 1 using the Collatz conjecture",
+  "blurb": "Calculate the number of steps to reach 1 using the Collatz conjecture.",
   "source": "An unsolved problem in mathematics named after mathematician Lothar Collatz",
   "source_url": "https://en.wikipedia.org/wiki/3x_%2B_1_problem"
 }

exercises/practice/crypto-square/.meta/config.json

@@ -19,5 +19,5 @@
   },
   "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"
 }

exercises/practice/darts/.meta/config.json

@@ -17,6 +17,6 @@
       ".meta/src/reference/kotlin/Darts.kt"
     ]
   },
-  "blurb": "Write a function that returns the earned points in a single toss of a Darts game",
+  "blurb": "Write a function that returns the earned points in a single toss of a Darts game.",
   "source": "Inspired by an exercise created by a professor Della Paolera in Argentina"
 }

exercises/practice/diamond/.meta/config.json

@@ -25,5 +25,5 @@
   },
   "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/"
 }

exercises/practice/difference-of-squares/.meta/config.json

@@ -27,5 +27,5 @@
   },
   "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"
 }

exercises/practice/diffie-hellman/.meta/config.json

@@ -19,5 +19,5 @@
   },
   "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"
 }

exercises/practice/dnd-character/.meta/config.json

@@ -17,7 +17,7 @@
       ".meta/src/reference/kotlin/DndCharacter.kt"
     ]
   },
-  "blurb": "Randomly generate Dungeons & Dragons characters",
+  "blurb": "Randomly generate Dungeons & Dragons characters.",
   "source": "Simon Shine, Erik Schierboom",
   "source_url": "https://github.com/exercism/problem-specifications/issues/616#issuecomment-437358945"
 }

exercises/practice/etl/.meta/config.json

@@ -26,7 +26,7 @@
       ".meta/src/reference/kotlin/ETL.kt"
     ]
   },
-  "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"
 }

exercises/practice/flatten-array/.meta/config.json

@@ -25,7 +25,7 @@
       ".meta/src/reference/kotlin/Flattener.kt"
     ]
   },
-  "blurb": "Take a nested list and return a single list with all values except nil/null",
+  "blurb": "Take a nested list and return a single list with all values except nil/null.",
   "source": "Interview Question",
   "source_url": "https://reference.wolfram.com/language/ref/Flatten.html"
 }

exercises/practice/forth/.meta/config.json

@@ -23,5 +23,5 @@
       ".meta/src/reference/kotlin/Forth.kt"
     ]
   },
-  "blurb": "Implement an evaluator for a very simple subset of Forth"
+  "blurb": "Implement an evaluator for a very simple subset of Forth."
 }

exercises/practice/gigasecond/.meta/config.json

@@ -29,5 +29,5 @@
   },
   "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"
 }

exercises/practice/grade-school/.meta/config.json

@@ -28,7 +28,6 @@
       ".meta/src/reference/kotlin/GradeSchool.kt"
     ]
   },
-  "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"
+  "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"
 }

exercises/practice/grains/.meta/config.json

@@ -24,6 +24,6 @@
     ]
   },
   "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"
 }

exercises/practice/hamming/.meta/config.json

@@ -28,5 +28,5 @@
   },
   "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/"
 }

exercises/practice/hello-world/.meta/config.json

@@ -32,7 +32,7 @@
       ".meta/src/reference/kotlin/HelloWorld.kt"
     ]
   },
-  "blurb": "The classical introductory exercise. Just say \"Hello, World!\"",
+  "blurb": "Exercism's classic 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"
 }

exercises/practice/kindergarten-garden/.meta/config.json

@@ -18,6 +18,6 @@
     ]
   },
   "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"
 }

exercises/practice/largest-series-product/.meta/config.json

@@ -28,5 +28,5 @@
   },
   "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"
 }

exercises/practice/linked-list/.meta/config.json

@@ -25,6 +25,6 @@
       ".meta/src/reference/kotlin/LinkedList.kt"
     ]
   },
-  "blurb": "Implement a doubly linked list",
+  "blurb": "Implement a doubly linked list.",
   "source": "Classic computer science topic"
 }

exercises/practice/list-ops/.meta/config.json

@@ -24,5 +24,5 @@
       ".meta/src/reference/kotlin/ListOps.kt"
     ]
   },
-  "blurb": "Implement basic list operations"
+  "blurb": "Implement basic list operations."
 }

exercises/practice/luhn/.meta/config.json

@@ -28,5 +28,5 @@
   },
   "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"
 }

exercises/practice/matrix/.meta/config.json

@@ -19,6 +19,6 @@
     ]
   },
   "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"
 }

exercises/practice/meetup/.meta/config.json

@@ -23,6 +23,5 @@
     ]
   },
   "blurb": "Calculate the date of meetups.",
-  "source": "Jeremy Hinegardner mentioned a Boulder meetup that happens on the Wednesteenth of every month",
-  "source_url": "https://twitter.com/copiousfreetime"
+  "source": "Jeremy Hinegardner mentioned a Boulder meetup that happens on the Wednesteenth of every month"
 }

exercises/practice/minesweeper/.meta/config.json

@@ -23,5 +23,5 @@
       ".meta/src/reference/kotlin/Minesweeper.kt"
     ]
   },
-  "blurb": "Add the numbers to a minesweeper board"
+  "blurb": "Add the numbers to a minesweeper board."
 }

exercises/practice/nth-prime/.meta/config.json

@@ -28,5 +28,5 @@
   },
   "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"
 }

exercises/practice/nucleotide-count/.meta/config.json

@@ -27,5 +27,5 @@
   },
   "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/"
 }

exercises/practice/pascals-triangle/.meta/config.json

@@ -27,5 +27,5 @@
   },
   "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"
 }

exercises/practice/perfect-numbers/.meta/config.json

@@ -26,5 +26,5 @@
   },
   "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/"
 }

exercises/practice/phone-number/.meta/config.json

@@ -28,6 +28,6 @@
     ]
   },
   "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"
 }

exercises/practice/pig-latin/.meta/config.json

@@ -25,7 +25,7 @@
       ".meta/src/reference/kotlin/PigLatin.kt"
     ]
   },
-  "blurb": "Implement a program that translates from English to Pig Latin",
+  "blurb": "Implement a program that translates from English to Pig Latin.",
   "source": "The Pig Latin exercise at Test First Teaching by Ultrasaurus",
   "source_url": "https://github.com/ultrasaurus/test-first-teaching/blob/master/learn_ruby/pig_latin/"
 }

exercises/practice/prime-factors/.meta/config.json

@@ -24,5 +24,5 @@
   },
   "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"
 }

exercises/practice/raindrops/.meta/config.json

@@ -25,7 +25,7 @@
       ".meta/src/reference/kotlin/Raindrops.kt"
     ]
   },
-  "blurb": "Convert a number to a string, the content of which depends on the number's factors.",
+  "blurb": "Convert a number into its corresponding raindrop sounds - Pling, Plang and Plong.",
   "source": "A variation on FizzBuzz, a famous technical interview question that is intended to weed out potential candidates. That question is itself derived from Fizz Buzz, a popular children's game for teaching division.",
   "source_url": "https://en.wikipedia.org/wiki/Fizz_buzz"
 }

exercises/practice/resistor-color/.meta/config.json

@@ -17,7 +17,7 @@
       ".meta/src/reference/kotlin/ResistorColor.kt"
     ]
   },
-  "blurb": "Convert a resistor band's color to its numeric representation",
+  "blurb": "Convert a resistor band's color to its numeric representation.",
   "source": "Maud de Vries, Erik Schierboom",
   "source_url": "https://github.com/exercism/problem-specifications/issues/1458"
 }

exercises/practice/rna-transcription/.meta/config.json

@@ -29,5 +29,5 @@
   },
   "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"
 }

exercises/practice/saddle-points/.meta/config.json

@@ -24,5 +24,5 @@
   },
   "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"
 }

exercises/practice/say/.meta/config.json

@@ -24,6 +24,6 @@
     ]
   },
   "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"
 }

exercises/practice/scale-generator/.meta/config.json

@@ -16,5 +16,5 @@
       ".meta/src/reference/kotlin/Scale.kt"
     ]
   },
-  "blurb": "Generate musical scales, given a starting note and a set of intervals. "
+  "blurb": "Generate musical scales, given a starting note and a set of intervals."
 }

exercises/practice/secret-handshake/.meta/config.json

@@ -24,5 +24,5 @@
   },
   "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/?item=qt0437047"
 }

exercises/practice/series/.meta/config.json

@@ -28,5 +28,5 @@
   },
   "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"
 }

exercises/practice/sieve/.meta/config.json

@@ -27,5 +27,5 @@
   },
   "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"
 }