SEO / Webmaster

Setting custom headers with PHP.

This is a guide on how to set custom HTTP response headers using PHP.

Getting a random value from a JavaScript array.

This is a short tutorial on how to get a random value from a JavaScript array. To do this, we will have to generate a random index number that represents an element in the array.

Fix: Tainted canvases may not be exported.

The other day, I came across a frustrating CORS-related error while developing a Facebook Instant Game. This is a short post on how I fixed it.

JavaScript: Add image to canvas.

This is a short guide on how to add an image to a canvas element using JavaScript.

JavaScript: Get textual day of week.

This is a short JavaScript guide on how to get the full textual representation of the day of the week.