RogerBW's Blog

Perl Weekly Challenge 108: Memory Bell 13 April 2021 - 2 comments

I’ve been doing the Perl Weekly Challenges. The latest involved bad things and triangular numbers. (Note that this is open until 18 April 2021.)

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Perl Weekly Challenge 107: Self-Descriptive Methods 07 April 2021 - 1 comment

I’ve been doing the Perl Weekly Challenges. The latest involved several sorts of introspection. (Note that this is open until 11 April 2021.)

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Perl Weekly Challenge 106: Maximum Decimal 31 March 2021 - 1 comment

I’ve been doing the Perl Weekly Challenges. The latest involved integer differences and decimal expansion. (Note that this is open until 4 April 2021.)

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Perl Weekly Challenge 105: Name Root 23 March 2021 - 2 comments

I’ve been doing the Perl Weekly Challenges. The latest involved fractional exponentiation and sweating with the oldies. (Note that this is open until 28 March 2021.)

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Perl Weekly Challenge 104: FUSC NIM 16 March 2021 - 1 comment

I’ve been doing the Perl Weekly Challenges. The latest involved the Stern-Brocot sequence (which Dijkstra named "fusc") and a variant of Nim. (Note that this is open until 21 March 2021.)

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Perl Weekly Challenge 103: Playing Zodiac 10 March 2021

I’ve been doing the Perl Weekly Challenges. The latest involved lots of modulus arithmetic. (Note that this is open until 14 March 2021.)

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Perl Weekly Challenge 102: Rare Hash 03 March 2021 - 1 comment

I’ve been doing the Perl Weekly Challenges. The latest involved an obscure class of number and a self-consistent string format. (Note that this is open until 7 March 2021.)

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Perl Weekly Challenge 101: Spiral Origin 24 February 2021 - 1 comment

I’ve been doing the Perl Weekly Challenges. The latest involved packing an array and a standard geometry problem. (Note that this is open until 28 February 2021.)

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Perl Weekly Challenge 100: Time Triangle 18 February 2021

I’ve been doing the Perl Weekly Challenges. The latest involved converting time formats and more tree traversal. (Note that this is open until 21 February 2021.)

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Perl Weekly Challenge 99: Unique Match 10 February 2021 - 1 comment

I’ve been doing the Perl Weekly Challenges. The latest involved globbing and building sub-sequences. (Note that this is open until 14 February 2021.)

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Perl Weekly Challenge 98: Insert N 05 February 2021

I’ve been doing the Perl Weekly Challenges. The latest involved reading tiny chunks from a file and searching a list. (Note that this is open until 7 February 2021.)

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Perl Weekly Challenge 97: Caesar Substrings 27 January 2021

I’ve been doing the Perl Weekly Challenges. The latest involved implementing the Caesar cipher and breaking up binary strings. (Note that this is open until 31 January 2021.)

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Perl Weekly Challenge 96: Reverse Distance 22 January 2021

I’ve been doing the Perl Weekly Challenges. The latest involved reversing words in a string and calculating Levenshtein distance. (Note that this is open until 24 January 2021.)

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Perl Weekly Challenge 95: Palindrome Stack 14 January 2021 - 1 comment

I’ve been doing the Perl Weekly Challenges. The latest involved testing for palindromic numbers and building a stack class. (Note that this is open until 17 January 2021.)

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Fun with Letter Tycoon 13 January 2021 - 1 comment

I've been playing a lot of Letter Tycoon on BoardGameArena (it seems that losing at Scrabble to my wife is good training for this). I wanted a practice opponent. So I wrote one.

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Advent of Code 2020 07 January 2021

I did Advent of Code again, and had a good time. Spoilers.

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Perl Weekly Challenge 94: Binary Anagrams 05 January 2021 - 1 comment

I’ve been doing the Perl Weekly Challenges. The latest involved grouping anagrams and more furkling with binary trees. (Note that this is open until 10 January 2021.)

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Perl Weekly Challenge 93: Max Path 30 December 2020

I’ve been doing the Perl Weekly Challenges. The latest involved colinear points and binary tree sums. (Note that this is open until 3 January 2021.)

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Perl Weekly Challenge 92: Isomorphic Interval 25 December 2020

I’ve been doing the Perl Weekly Challenges. The latest involved string isomorphism and interval merging. (Note that this is open until 27 December 2020.)

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Perl Weekly Challenge 91: Number Jump 18 December 2020

I’ve been doing the Perl Weekly Challenges. The latest involved breaking down numbers and following sequences. (Note that this is open until 20 December 2020.)

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Perl Weekly Challenge 90: Ethiopian DNA 10 December 2020 - 3 comments

I’ve been doing the Perl Weekly Challenges. The latest involved base sequences and a binary multiplication system. (Note that this is open until 13 December 2020.)

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Perl Weekly Challenge 89: magic sum 05 December 2020

I’ve been doing the Perl Weekly Challenges. The latest involved GCDs and magic squares. (Note that this is open until 6 December 2020.)

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Perl Weekly Challenge 88: Spiral Product 28 November 2020 - 1 comment

I’ve been doing the Perl Weekly Challenges. The latest involved multiplications and spirals. (Note that this is open until 29 November 2020.)

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A Shebang For Rust 23 November 2020

Rust is a compiled language. How can I run a program directly from the shell?

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Perl Weekly Challenge 87: Consecutive Rectangles 19 November 2020

I’ve been doing the Perl Weekly Challenges. The latest involved list searches and matrices. (Note that this is open until 22 November 2020.)

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Perl Weekly Challenge 86: Sudoku Difference 12 November 2020 - 1 comment

I’ve been doing the Perl Weekly Challenges. The latest involved list searches and combinatorial explosions. (Note that this is open until 15 November 2020.)

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