sudoku | Robert James Metcalfe Blog

HTML/Javascript Sudoku Personalized Game Tutorial

Yesterday’s HTML/Javascript Sudoku Game Primer Tutorial gave us a “first draft” look at the Sudoku game which featured … an inflexible “Easy” and “Hard” mode of use, using a set pattern of revealed squares … var easyarr=’,3,4,7,10,12,14,15,19,20,27,28,29,30,32,34,39,41,44,45,49,51,52,55,57,59,61,67,68,70,71,74,75,76,80,’; var hardarr=’,1,5,8,9,13,19,21,28,33,36,37,39,43,49,52,54,61,62,63,67,69,70,72,80,’; … … Continue reading →

HTML/Javascript Sudoku Game Primer Tutorial

Today we’ve got an inhouse version of a well known mathematical (but you don’t have to be a mathematician to play) game called Sudoku which you regularly find in the puzzles section of the newspaper, like the KenKen game of … Continue reading →

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Latest Comments
1. Aleister on Tabular Single Row Radio Play TutorialOctober 22, 2026
  I like the single-row radio-play approach for keeping the controls compact while still making each selection clear. When I’m checking a calculation alongside a tutorial, I use StepStat to see the intermediate steps; how do you handle the layout when the playlist gets much longer?
2. anagrampuzzle on Tabular Single Row Radio Play TutorialOctober 18, 2026
  The idea of mapping a video's key scenes, mood, pacing, and audio before production resonates with me — it's a lot like working out an anagrampuzzle, where the same pieces only make sense once you rearrange them into the right order. Do you usually sketch the mind map before or after the script is locked?
3. Alex Morgan on Mind Mapping via Free Mind Primer TutorialOctober 14, 2026
  This is a helpful introduction to mind mapping, especially the explanation of how an unfamiliar .mm file can lead to discovering a practical visual-thinking tool. Mind maps are also useful for planning creative projects: I often map out a video’s key scenes, mood, pacing, and audio needs before production. Once that structure is clear, tools such as Flow Music can create AI background music for videos from a prompt, making it easier to match the soundtrack to each part of the visual plan. Thanks for sharing this accessible primer.
4. admin on Tabular Single Row Radio Play TutorialOctober 12, 2026
  Thanks. Since then, a Shower Songs project at https://www.rjmprogramming.com.au/HTMLCSS/shower_songs.html is an improvement regarding "Radio Play" on mobile platforms.
5. LTX 2.3 Free on Tabular Single Row Radio Play TutorialOctober 12, 2026
  This is a thoughtful example of using a single-row layout and scroll behavior to reveal media progressively. I especially liked the way the tutorial ties the gallery to real interaction details rather than treating the UI as a static mockup. For readers experimenting with the next stage of visual prototyping, LTX 2.3 Free collects prompt examples and workflow guidance for planning AI video scenes; the same attention to camera movement and timing is useful when turning a storyboard into motion.

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