離婁之明、公輸子之巧、不以規矩、不能成方圓。《孟子》
不聞不若聞之，聞之不若見之，見之不若知之，知之不若行之，學至於行之而止矣。《荀子·儒效》
Server Temperatures (degC)
2026-07-27 11:30, 50,50,48,48
The readings will be updated at a regular interval by the cron job (e.g. 15 min). Refresh the page to get new readings.
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Enable clean re-installation of Joplin
The Problem After removal of the repository in OneDrive and reinstallation of Joplin, the old…
Centering elements using CSS
Center text within a container Use text-align: center; <div class=”container”> <p>Text line in the center</p>…
URLs for sharing pages on social platforms
The following links are embedded into the three icons on the Back-on Track-ebook-new page and…
“Above Fold” design
Above Fold for home page: Remove all empty space elements above and below the text…
Change WordPress site domain name
Login to phpmyadmin.Go to relevant website database.Go to “wp_options” table.Change the value of “siteurl” and…
Image Optimization for Fai Room
Introduction The optimization is done using the plugin called EWWW Image Optimizer (EIO). Check out…
Cache plugins tests for Fai-Room
Three plugins were tested. They were Autoptimize, WP Fastest Cache and WP Super Cache. GTMetrix…
Basic HTML boilerplate
Reference: HTML5 Template: A Basic Boilerplate for Any Project <!doctype html> <html lang=”en”> <head>…
Google Maps iframe in grey & set zoom level
Gray Map – Add a class in the iframe. For example: <iframe class=”cu-gmap” width=”100%” ……</iframe>…
Convert XD character spacing to CSS letter spacing
Reference: Github css-letter-spacing (em) = ( XD character spacing / 1000 ) * 1em and…
CSS @media & Mobile Screen Sizes
1. Desktops, HDPI screen @media screen and (min-width: 1281px) { } 2. Laptops, iPAD Pro,…
PHP – Adjust max upload filesizes
Debian 12 When MJ1900 was upgraded to Debian 12 in 2023, the php version for…
Prevent direct access to php files from URL
In each of the other files, add these codes at the top. if (basename($_SERVER[‘PHP_SELF’]) ===…
PHP – Trim a text string to max number of words
function trim_words($string, $max_words) { $stringArr = explode(‘ ‘, $string); if(count($stringArr) > $max_words && $max_words >…
Redirect Website to Notification page for maintenance
The website can be accessed within the LAN but redirected to the Notification page if…
WordPress Upload – file types restriction
Reference: How to Upload Additional File Types in WordPress (by Antonio Villegas) WordPress only allows…
WordPress – some conditions check
is_front_page() is_single() Returns true if the item is post, not page. It also accepts ID…
WordPress – Add Custom Widget Area
Reference: Add a new widget area to a WordPress theme (by Keith Curreri on October…