Articles in Progress

Alphabetical Filenames for Positions
Which Words end up in the desired order.Up will appear below Down; Before appears below After. It’s annoying.
Robust Internal Links for HTML and PHP
Absolute references without specifying the domain name.
Presenting Dates & Times
Long dates and 12-hour times with careful punctuation are best.
Omitting Optional Tags makes Navigation Bars Easier
No </li>, then you just display: inline.
Layout Names by CSS Units and Properties
Use of px, % and em, min-width and max-width defines the layout.
CSS Introduction for Complete Newbies
Start using CSS with these working code samples.
Favourite Fonts First for font-family
This: 
font-family: Arial, Helvetica, sans-serif;
Should be this? 
font-family: Helvetica, Arial, sans-serif;
If the system has Helvetica, that is what should be used. Helvetica is the original, the one celebrated on the big screen. Arial should be the fallback, for use on systems which do not have real Helvetica.
Detectable Inline Code
Logic and guesswork based on experience at the moment; not an implementation.