When it comes to code reviews; judge the code, not the developer. It's ok to be harsh to the code, but always make it a learning experience that people can take

When it comes to code reviews; judge the code, not the developer. It's ok to be harsh to the code, but always make it a learning experience that people can take something away from -- and as a lead or manager, it's important to give your engineers the understanding that code reviews can be harsh, but it's meant to help improve everyone on the team, and to learn from anything someone says.