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"In English, using “she” flows better than “he or she” or jumping between the two. To make reading easier, we use the feminine pronoun throughout this book. No disrespect is intended for male engineers."

Just caught my eye! Nice!

Use the Facade pattern when you need to have a limited but straightforward interface to a complex subsystem.

It may be difficult to unit test the client code of the Singleton because many test frameworks rely on inheritance when producing mock objects. Since the constructor of the singleton class is private and overriding static methods is impossible in most languages, you will need to think of a creative way to mock the singleton. Or just don’t write the tests. Or don’t use the Singleton pattern.

You have also grown professionally, and your own code now looks like crap.

And ...

Don’t Think Outside the Box—Find the Box

It seems that there’s a mantra that every programmer must memorize early in his or her career. It is a fundamental tenet of computing, a core belief that we learn to apply to requirements, designs, code, comments, just about everything we do. It goes
This can never happen…
“This application will never be used abroad, so why internationalize it?” “count can’t be negative.” “Logging can’t fail.”

Time pressure is often used as an excuse for not refactoring. But this excuse just doesn’t hold up: fail to refactor now, and there’ll be a far greater time investment to fix the problem down the road—when there are more dependencies to reckon with. Will there be more time available then? Nope.

Isolation can be deadly to your career; find out what people are working on outside of your company. Don’t just go and listen: actively participate.
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