One of the most confusing aspects of CSS styling is the application of the font-size attribute for text scaling. In CSS, you’re given four different units by which you can measure the size of text as it’s displayed in the web browser. Which of these four units is best suited for the web? It’s a question that’s spawned a diverse variety of debate and criticism. Finding a definitive answer can be difficult, most likely because the question, itself, is so difficult to answer.

Often it’s useful to show an arrow or some sort of contextual indication of what element something is related to. We see this frequently with tooltips that use arrows to point to the item that is triggering them.

Everyone knows these two HTML table tag attributes: cellpadding and cellspacing. And everyone hates the annoying necessity of these attributes in the CSS era. Well, developers, who has looked after what's up now about this issue, have learned that fortunately the cellpadding attribute is safely substitutable with the padding value of the table cells.

But what about cellspacing?

There are a lot of different open source licences out there, and it can sometimes be a bit confusing if you're not intimate with the details of each one. So here's a quick roundup of three of the most popular licenses and the difference between them.

Just a quick disclaimer - I'm not a lawyer, so don't depend on my explanations on the licences here. All the usual disclaimers apply.