If you've ever wanted to check for authenticity that 30 year old Diner's Club card sitting in your drawer, this is the app for you! In addition to the 3 card types provided in class, I also found clauses for 3 others and added them to the matrix. I added some qualified credit card numbers (from Paypal and others) or the user can attempt his own. It's a simple app that takes one credit card number, does stuff, then outputs its validity. I've always had difficulty with React, so this is made on a React backbone, bolstered by a little Bootstrap. First, let us see some examples of valid and invalid credit card numbers with our conditions applied to it for a python program to validate a given credit card number. In essence, this app is 9 months in the making, starting when I first discovered JS. I'll do that in the future, but for now: A fully functioning credit card verifier in Javascript! Finality As it turns out, I could have written the scripting of this entire project in Python. Since I was already quite familiar with HTML, CSS, and JS I started with the finance app which is where I learned about Flask. The Web Track was the recommended substitute, so I had to finish that within a week's time. I couldn't learn Java and complete the 3 required apps in a week.
#CREDIT CARD VALIDATOR PYTHON SIMPLE ANDROID#
After that was mostly complete, I discovered that the Tracks were being relegated in 2021, so Android was out of the question. At this point the year was closing in fast so decided to finish in 2021 with the Java Track and work on my Final Project. In addition, I was tasked with choosing a Track for which I'd always wanted to learn Java for Android. ProgressionĪs I got closer to completing the course I realized there would be a Final Project, one that a translation of a course activity would be well suited for. Once complete, I pushed to Github, hoping I could finish the app after CS50 was complete. Since I wasn't familiar with Flask at the time, I thought this would be a great intermediate translation toward the ultimate goal. Low and behold, Problem Set 6 tasked us with translating 'credit' from C to Python, putting me one step closer to web speak. IntermediateĪs I continued through the course, we began learning Python with which I'd also had experience.
#CREDIT CARD VALIDATOR PYTHON SIMPLE CODE#
Since I'd already developed JS apps before, I opened this repo and just pushed up the code (still in C mind you) until I was ready to focus on flushing it out. I wondered why the algorithm (Luhn's) for determining a valid credit card number was available to a civilian like myself and I felt like a spy writing that particular bit of code. A webapp built from the CS50 homework, translated to ReactJSįrom the moment I started the 'credit' app in CS50's Problem Set 1, I knew I'd want to translate it to JS and make a web app.
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