Ever since I started building websites I always used some kind of AMP stack. As my skills grew my stack was growing with it. First problems occurred when we had two major versions of PHP out in the wild - 4 and 5. After a while problems were piling up as I was adding Redis, Mongo, APC, Memcached, Elasticsearch and other popular tools to my stack.

You got your fresh Raspberry Pi but you lack external keyboard, mouse and monitor? Don't worry there an easy way to configure your pretty microcomputer. All you need is a little patience and some beer. 

Imagine you are a developer working on some ultra important project and your deadline is just around the corner. You need to focus but you can't. How's that? Is there not enough coffee in your blood? Or maybe it's just lack of sleep kicking in? No, it's three most common mistakes you make. 

When you are young developer and all you do is writing code, handling projects may be overwhelming. You need to analyse project, create tasks, choose technology, plan your schedule, and so on. I've been there and after many different projects I have created small list used every time I'm working on a new project.