Tammy Xu
Staff Reporter at Built In
Expertise: Software development
Education: University of Illinois Urbana-Champaign; Northwestern University

Tammy Xu is a former Built In staff reporter covering software development and trends across the software industry. She holds a master of science in computer science from the University of Illinois Urbana-Champaign and a bachelor of arts in chemistry from Northwestern University. Prior to joining Built In, she spent five years as a software developer for The Dow Chemical Company. Xu is also a former contributing editor and director of fact checking for South Side Weekly. She is currently a reporting fellow at MIT Technology Review.

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134 Articles
person doing martial arts, search engine martial arts
Searching for coding help online is about more than hitting Enter.
thinker statue with VR goggles, computer science and philosophy
Can studying both help us face the future we’re creating?
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Code refactoring is a key part of the software development process. But if the code’s not broken, don’t fix it.
lab equipment over binary background, test-driven development
But TDD might not be the right fit for every developer.
developer with laptop, hillside in the background
Keep good documentation and share the burden of work.
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Small changes can make a big difference.
crash test dummies
Developers weigh in on how to choose the test double that best suits your situation.
blue and red static
Fuzz testing can catch application errors that other testing tools miss. Here’s how it works and the types to know.
people holding up blank speech bubbles
Don’t be afraid of over-communicating.
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Compare the value different investors bring and don’t forget to do a cost-benefit analysis.
People around a drawing of a lightbulb, brainstorming
It’s all about looking for common code weaknesses.
bird's-eye view of trucks on a road
The industry looks a lot different than it did three years ago.