Sync metadata (#535)

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

@@ -13,7 +13,7 @@
       ".meta/uAcronymExample.pas"
     ]
   },
-  "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/allergies/.meta/config.json

@@ -14,6 +14,6 @@
     ]
   },
   "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

@@ -13,7 +13,7 @@
       ".meta/uArmstrongNumbersExample.pas"
     ]
   },
-  "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

@@ -16,7 +16,7 @@
       ".meta/uAtbashCipherExample.pas"
     ]
   },
-  "blurb": "Create an implementation of the atbash cipher, an ancient encryption system created in the Middle East.",
+  "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

@@ -15,5 +15,5 @@
   },
   "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

@@ -17,6 +17,5 @@
     ]
   },
   "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

@@ -15,5 +15,5 @@
   },
   "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

@@ -15,5 +15,5 @@
   },
   "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/book-store/.meta/config.json

@@ -15,5 +15,5 @@
   },
   "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"
 }

exercises/practice/bowling/.meta/config.json

@@ -13,7 +13,7 @@
       ".meta/uBowlingExample.pas"
     ]
   },
-  "blurb": "Score a bowling game",
-  "source": "The Bowling Game Kata at but UncleBob",
-  "source_url": "http://butunclebob.com/ArticleS.UncleBob.TheBowlingGameKata"
+  "blurb": "Score a bowling game.",
+  "source": "The Bowling Game Kata from UncleBob",
+  "source_url": "https://web.archive.org/web/20221001111000/http://butunclebob.com/ArticleS.UncleBob.TheBowlingGameKata"
 }

exercises/practice/circular-buffer/.meta/config.json

@@ -15,5 +15,5 @@
   },
   "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"
 }

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

@@ -14,6 +14,5 @@
     ]
   },
   "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

@@ -13,7 +13,7 @@
       ".meta/uCollatzconjectureExample.pas"
     ]
   },
-  "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"
+  "blurb": "Calculate the number of steps to reach 1 using the Collatz conjecture.",
+  "source": "Wikipedia",
+  "source_url": "https://en.wikipedia.org/wiki/Collatz_conjecture"
 }

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

@@ -18,5 +18,5 @@
   },
   "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

@@ -16,6 +16,6 @@
       ".meta/uDartsExample.pas"
     ]
   },
-  "blurb": "Write a function that returns the earned points in a single toss of a Darts game",
+  "blurb": "Calculate the points scored 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

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

@@ -15,5 +15,5 @@
   },
   "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/etl/.meta/config.json

@@ -13,7 +13,7 @@
       ".meta/uETLexample.pas"
     ]
   },
-  "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/food-chain/.meta/config.json

@@ -16,7 +16,7 @@
       ".meta/uFoodChainExample.pas"
     ]
   },
-  "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"
 }

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

@@ -18,5 +18,5 @@
   },
   "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

@@ -13,7 +13,6 @@
       ".meta/uGradeSchoolExample.pas"
     ]
   },
-  "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

@@ -14,6 +14,6 @@
     ]
   },
   "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

@@ -16,7 +16,7 @@
       ".meta/uHammingExample.pas"
     ]
   },
-  "blurb": "Calculate the Hamming difference between two DNA strands.",
+  "blurb": "Calculate the Hamming distance 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

@@ -16,7 +16,7 @@
       ".meta/uHelloWorldExample.pas"
     ]
   },
-  "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/high-scores/.meta/config.json

@@ -16,6 +16,6 @@
       ".meta/uHighScoresExample.pas"
     ]
   },
-  "blurb": "Manage a player's High Score list",
+  "blurb": "Manage a player's High Score list.",
   "source": "Tribute to the eighties' arcade game Frogger"
 }

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

@@ -18,5 +18,5 @@
   },
   "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/markdown/.meta/config.json

@@ -16,5 +16,5 @@
       ".meta/uMarkdownExample.pas"
     ]
   },
-  "blurb": "Refactor a Markdown parser"
+  "blurb": "Refactor a Markdown parser."
 }

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

@@ -17,6 +17,6 @@
     ]
   },
   "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/nth-prime/.meta/config.json

@@ -18,5 +18,5 @@
   },
   "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

@@ -15,5 +15,5 @@
   },
   "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/ocr-numbers/.meta/config.json

@@ -18,5 +18,5 @@
   },
   "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/"
 }

exercises/practice/palindrome-products/.meta/config.json

@@ -18,5 +18,5 @@
   },
   "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"
 }

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

@@ -18,5 +18,5 @@
   },
   "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

@@ -15,5 +15,5 @@
   },
   "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

@@ -17,6 +17,6 @@
     ]
   },
   "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/poker/.meta/config.json

@@ -15,5 +15,5 @@
   },
   "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"
 }

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

@@ -18,5 +18,5 @@
   },
   "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/proverb/.meta/config.json

@@ -15,5 +15,5 @@
   },
   "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"
 }

exercises/practice/queen-attack/.meta/config.json

@@ -18,5 +18,5 @@
   },
   "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"
 }

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

@@ -16,7 +16,7 @@
       ".meta/uRaindropsExample.pas"
     ]
   },
-  "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/rna-transcription/.meta/config.json

@@ -15,5 +15,5 @@
   },
   "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

@@ -15,5 +15,5 @@
   },
   "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

@@ -17,6 +17,6 @@
     ]
   },
   "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/secret-handshake/.meta/config.json

@@ -15,5 +15,5 @@
   },
   "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

@@ -18,5 +18,5 @@
   },
   "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/space-age/.meta/config.json

@@ -15,5 +15,5 @@
   },
   "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"
 }

exercises/practice/sum-of-multiples/.meta/config.json

@@ -18,5 +18,5 @@
   },
   "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"
 }

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

@@ -15,5 +15,5 @@
   },
   "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"
 }

exercises/practice/twelve-days/.meta/config.json

@@ -16,7 +16,7 @@
       ".meta/uTwelveDaysExample.pas"
     ]
   },
-  "blurb": "Output the lyrics to 'The Twelve Days of Christmas'",
+  "blurb": "Output the lyrics to 'The Twelve Days of Christmas'.",
   "source": "Wikipedia",
-  "source_url": "http://en.wikipedia.org/wiki/The_Twelve_Days_of_Christmas_(song)"
+  "source_url": "https://en.wikipedia.org/wiki/The_Twelve_Days_of_Christmas_(song)"
 }