Principles & rules – basement for a good engineering culture @ Google

Principles and rules seem to be a good foundation for a good (or great) engineering culture. In a recent question on Quora on “How do Google, Facebook, Apple and Dropbox maintain excellent code quality at scale?” there was an interesting link towards the engineering culture established at Google.

According to the source Google established – and since then follows the mentioned principles below.

1. All developers work out of a ~single source depot; shared infrastructure!
2. A developer can fix bugs anywhere in the source tree.
3. Building a product takes 3 commands (“get, config, make”)
4. Uniform coding style guidelines across company
5. Code reviews mandatory for all checkins
6. Pervasive unit testing, written by developers
7. Unit tests run continuously, email sent on failure
8. Powerful tools, shared company-wide
9. Rapid project cycles; developers change projects often; 20% time
10. Peer-driven review process; flat management structure
11. Transparency into projects, code, process, ideas, etc.
12. Dozens of offices around world => hire best people regardless of location

In the Quora answers it becomes obvious … huge code bases are maintainable only when a culture of ownership and pride is established. The first step, however, is obviously to establish a set of rules – the basement for the engineering culture.

Seeding, growing, harvesting!

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