PHP | Robert James Metcalfe Blog

GraphViz via PHP on AlmaLinux Suite Temporaries Tutorial

Onto the recent GraphViz via PHP on AlmaLinux Family Tree Tutorial we’ve applied similar … get rid of /tmp/ temporary folder to read and write to references … in favour of either/both … tmp folder off the Apache web server’s … Continue reading →

WordPress Blog Opcache Caching Tutorial

Do you ever rate particular “minutes” of life? It took a Sydney Metro train station ride from Sydenham to Chatswood (20 odd minutes … very odd!) to wake up! We hadn’t looked “under the hood” so to speak, since, perhaps … Continue reading →

GraphViz via PHP on AlmaLinux Family Tree Tutorial

Today we continue down our road of replacing PHP (hosts Python and uses Graphviz) code series that used to use /tmp/ to read and write interim files from, in favour of a tmp folder off the Apache web server Document … Continue reading →

Code Difference Reporting Consistency Tutorial

Today’s work with Code Difference Reporting both … changes and standardizes dates presented under the Code Difference Reporting Context Tutorial iframe (edge) hovering reports to … in PHP talk … <?php $oneize=”; $twoize=”; if (isset($_GET[‘zero’])) { // && !isset($_GET[‘two’])) { … Continue reading →

GraphViz via PHP on AlmaLinux New Temporary Folder Tutorial

Today we’re revisiting the PHP web application calls Python via GraphViz themes last talked about with … GraphViz via PHP on AlmaLinux Require Once Tutorial … regarding the … ditch use of /tmp/ regarding AlmaLinux PHP web application “themes” of … Continue reading →

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Latest Comments
1. Hello Team on Javascript Course Primer TutorialNovember 13, 2026
  The distinction between course-driven and immersion-driven learning is useful. A small extension to the australia.htm exercise would be a set of named map markers and a text filter: first update the visible markers on an input event, then add a collected/uncollected toggle, and finally persist only that toggle state in localStorage. That gives beginners a concrete reason to learn arrays, DOM updates and browser storage without needing PHP or MySQL first. It is also worth testing empty searches, a page reload and disabled storage separately; those are different failure cases. Disclosure: we maintain the GTA 6 interactive map. I am suggesting it as an example of a map-and-progress interface, not claiming that we used the tutorial code. Would you introduce persistence after the first working interaction, or keep the initial exercise entirely stateless?
2. tooloteca on Tabular Single Row Radio Play TutorialNovember 12, 2026
  What I find most interesting here is how honestly the post names the hard part: getting focus to work with [element].click() and [element].blur() is the kind of detail that looks trivial until you actually try to drive a page this way. The single-row table that deliberately overflows to the right also makes sense as a design choice, since a radio playlist needs to be scrolled through rather than squeezed into one screen. And the payoff — clicking one song link and having the songs play in sequence and loop back through the list — is a neat reward for all that plumbing with the audio-only YouTube player.
3. 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?
4. 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?
5. 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.

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WordPress Blog Opcache Caching Tutorial

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