Learning programming is hard – teaching it well is even more challenging. At university, the focus is often on functional correctness and neglects the topic of clean and maintainable code, despite the dire need for developers with this skill set within the software industry. We present a feedbackdriven teaching concept for college students in their second to third year that we have applied and ...

Preparation • Dissolve 1 heaped teaspoonful of salt or sodium bicarbonate in a jug containing 500 ml of boiled water (half a litre); allow this solution to cool (Figure 1). • Pour a very small amount of the solution into a small sterile pot on a clean surface (Figure 2). Method 1 The eyelashes • Ask the patient to close both eyes. • Take a folded gauze swab or cotton bud. • Moisten the swab or ...

We develop a microeconomic model of endogenous growth where clean and dirty technologies compete in production and innovation– in the sense that research can be directed to either clean or dirty technologies. If dirty technologies are more advanced to start with, the potential transition to clean technology can be diffi cult both because clean research must climb several rungs to catch up with ...