A stylesheet full of correct breakpoints that does nothing on an actual phone is almost always this. Mobile Safari and the stock Android browser default to a 980px…
CodeIgniter exposes seven points in its boot sequence where you can attach a class of your own, and almost nobody uses them, because the usual answer to “run…
The rows column in an EXPLAIN is read as a measurement — “this query looked at 8,412 rows”. It is the optimiser’s guess, derived from index statistics, and…
MySQL 5.5 made InnoDB the default engine, which is often read as “we are on 5.5, so we have transactions”. Tables created under 5.1 keep MyISAM through an…
Sizzle hands a selector to querySelectorAll whenever the browser has it, and IE8 does — for CSS 2.1 selectors only. Anything from CSS3 or invented by jQuery makes…
jQuery split these in 1.6 and the change is still working its way through everyone’s habits, because attr(‘checked’) kept doing roughly the right thing for years. An attribute…