If you're a part of a development team anywhere, chances are at one point or another you've asked for someone else to take a look at your code and give their opinions. Maybe it was you looking over a coworker's latest addition and it was...somewhat lacking. How can you say it in a constructive and nice way? The Inviqa techPortal has some suggestions.

Feedback on performance matters. It not only maintains quality, refines and hones performance, but it can also improve morale and trust, and build relationships. It can stop minor problems from escalating into major capability issues. It’s something that every people manager or team leader should be doing as standard, and yet it’s so hard to get right. For some people, giving good feedback is easy. [...] Delivering negative feedback can be a tricky process so how do you give negative feedback, or (as the much hackneyed phrase would have it) “constructive” feedback?

The post includes a list of six things to think about as you provide feedback to other developers (and even as a manager to your employees). The list suggests things like making it timely, listening to their side of things and setting a plan for resolving the issue.