Feral Cat - Software Development
Building, just because…
Here are all our Python blog posts. Hate JS? No worries, browse this page for your Pythonistas.
When Airbnb was scaling rapidly, they faced the problem of organizing complex data pipelines. To combat this and become a data-driven organization, Airbnb launched Apache Airflow in 2015, their custom-made open-source platform to manage complex workflows. In simple words, Apache Airflow is a platform where you can create, schedule, and monitor complex workflows using simple … Read more
Let’s work on manipulating a dataframe. Let’s work on editing all elements of a DataFrame according to a condition. You have a horde of data you just imported from a CSV or an Excel doc. You’ve managed to get the data into a Pandas DataFrame using one of the built in import methods like read_csv … Read more
So you’re trying to upload a Pandas DataFrame to DynamoDB using Python? Let’s take a step back first. Why are we using DynamoDB? What is DynamoDB? What is DyanmoDB DyanmoDB is a non-relational fully managed database product offered by Amazon’s cloud computing arm AWS. So why would you go the DynamoDB route vs MySQL, Postgres, … Read more
Hey everybody! I thought I’d do a quick intro on an app I started working on. Drum roll please… Moomosa! It’s a React-Native application that uses Firebase as a database at the moment (more on this later). That database is managed with a React application I developed to add, delete, and approve new content. I … Read more
Soooo you got the IndexError: only integers, slices (`:`), ellipsis (`…`), numpy.newaxis (`None`) and integer or boolean arrays are valid indices error. Let’s get that annoying message fixed. My Computer Setup For those Short On Time You’re trying to access an element of a Pandas index like df.columns where df is a DataFrame by using … Read more
So how do you create a class in Python3? What is class? Why do we need a class? All great questions. My Computer Setup Python3 (Finally getting used to adding parentheses around my print statements ) macOS What is an object? So let’s go over what a class is. Classes are the preliminary step to … Read more
We’ll be showing you how filter a Pandas DataFrame in Python. So let’s set the scene. You work for a massive food company that sells deli meats and fruits. You’ve been toiling at your computer for hours trying to create a dataframe of your company’s product info. Department XYZ needs that data so they can … Read more
So you want to clone a git repo in Python3? I recently came across a case where I wanted to programmatically edit and update a Github repo and what better language to use than Python? My first go at the problem had me thinking of .bat files since I come from a Windows background. Therefore … Read more
Want help making a Twitter bot with Tweepy? It’s actually pretty easy after you apply for a developer’s account and setup an app on Twitter’s side. You can do the application and setup here. My Computer Setup Getting your Environment Setup You can find some info on installing pip here. The article actually covers pip installation … Read more