Feral Cat - Software Development
Building, just because…
Carlos 
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
Are you getting the Permission Denied (Publickey) error? I imagine you’re starting to setup a Digital Ocean droplet or Ubuntu on another cloud provider and need to ssh into your server? After trying are you getting the permission denied (Publickey) error? I was setting up Jenkins and wanted to quickly access the droplet from my … Read more
Getting the ‘Permissions 0644 for yourFile.pem are too open’ error when trying to SSH into your EC2 instance? This is a quick fix using chmod to change your .pem file permissions.
Happen to be getting the Invariant Violation: requireNativeComponent: “RNGADBannerView” was not found in the UIManager error? Did you use the really useful react-native-admob lib at some point, remove it, but are still getting this weird error? Maybe you’re using another lib, removed it, and are getting a similar error? I spent nearly three full days … Read more
Learn how to vertically and horizontally center text in React Native using justifyContent and textAlign. Includes code examples and screenshots showing the before and after.
Digital Ocean or AWS? Ahh, the classic question our fore fathers have been asking for millenia. Should we go the developer and pocket book friendly route with Digital Ocean or take the leap and make friends with Goliath aka AWS? At First This was a silly question for me when I first started developing. Digital … 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
Let’s walk through what creating a blank file from your terminal looks like using a single command. My Computer Setup How To Create a Blank File From your Terminal Ever need a blank file to mock up a file system while on Linux? USE TOUCH! It’s pretty useful when you’re navigating through folders and want … Read more
Are you trying to use Javascript’s filter on an array of objects that contain arrays? Are you having trouble getting it to return elements to conditionally rebuild that array? I had the same issue and blamed the filter method for a quick sec. Buuuut lo and behold it was me as always. Still new to … 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