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Big O Notation - Simplifying the Complexity
What is Big O, anyway? It’s a notation used to describe the computational complexity of algorithms. It can also be a favorite topic for software development interviewers. Finally, it’s an interesting and (maybe surprisingly) approachable pathway into more formal computer science. In this talk, we’ll start at the beginning by discussing an informal approach to describing time complexity of algorithms. That will lead to using Big O as a more formal notation. Finally we’ll see some example algorithms and talk about the Big O notation that describes their time complexity. Bio Andy Collins has been in the professional software development world for 18 years. A native of Middle Tennessee, he graduated from Middle Tennessee State University with a Computer Science degree in 2000. With degree in hand, he entered the working world with an understanding of data structures and algorithms, but very little knowledge of how to build real software. Over the next two decades Andy has learned the more practical engineering side of software development while maintaining an interest in its theoretical foundations. Focusing primarily on web development, Andy has built software in a variety of stacks over the years and has also spent some time in architecture and management roles. He is currently a senior instructor at the Nashville Software School, where he finds great satisfaction in helping a diverse group of students re-imagine their lives as professional software developers. The Nashville .NET User Group meets every second Thursday of the month at Vaco in Maryland Farms (Brentwood, TN). --- Agenda • Vaco opens the meeting space shortly after 5pm so feel free to arrive early • 5:30pm - Food arrives (first come, first serve) • 6:00pm - Presentation begins • 7:00pm - 7:30pm - Presentation ends, share job opportunities and candidates • 7:30pm - Networking and socializing opportunity!

Vaco Offices in Brentwood TN

5410 Maryland Way · Brentwood, TN

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The Nashville .NET User Group is the educational and social hub for the Nashville .NET community. We meet every 2nd Thursday for food, beer, socializing and a presentation by a guest speaker.

We are a fun and welcoming bunch of developers of all skill levels and backgrounds, who truly enjoy learning. Come join us!

If you have a talk you would like to present at NashDotNet, or if there is a topic you would like to hear, please send an email to

For submissions please include a title, a one-or-two paragraph abstract for the talk and a speaker bio. Please note if you have presented the topic before.

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