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Binary data exercise: how to tell if a file is a jpeg? // today I thought we would look at binary data, in the form of JPG images, and specifically see if we can write a program that will test whether or not a file is JPEG. We're looking at this in both C and Ruby, so you can see some of the pitfalls that you can run into with higher-level languages.
Related Videos:
Hexadecimal: https://youtu.be/dPxCGlW9lfM
Hex Editors: https://youtu.be/-eDY7yh-CyA
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Welcome! I post videos that help you learn to program and become a more confident software developer. I cover beginner-to-advanced systems topics ranging from network programming, threads, processes, operating systems, embedded systems and others. My goal is to help you get under-the-hood and better understand how computers work and how you can use them to become stronger students and more capable professional developers.
About me: I'm a computer scientist, electrical engineer, researcher, and teacher. I specialize in embedded systems, mobile computing, sensor networks, and the Internet of Things. I teach systems and networking courses at Clemson University, where I also lead the PERSIST research lab.
More about me and what I do:
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https://people.cs.clemson.edu/~jsorber/
http://persist.cs.clemson.edu/
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