Carlos, Author at Feral Cat - Software Development

Finding the First Instance of an Element in an Array

July 22, 2021April 5, 2019 by Carlos

Need help finding the first instance of an element in an array? I recently came across a situation where I had two arrays with corresponding data in each array. For example, I had two arrays where one was a person’s first name and the other was a person’s last name. I needed to find a … Read more

Using the Google Translate API in your Android App

August 25, 2023April 3, 2019 by Carlos

Just make an Http call! So, I thought I’d write a quick article on using the Google Translate API in your Android app since most of the articles I found didn’t help. Article after article pointed me in the direction of this Java library which unfortunately conflicted with other dependencies in my application. I spent … Read more

Length of Values Does Not Match Length of Index

July 22, 2021February 24, 2019 by Carlos

I’m guessing you are dynamically creating Pandas DataFrame columns and came across the, “Length of values does not match length of index” error. The issue lies in that the previous columns you’ve added are not the same length as the most recent one you’ve attempted to add. Let’s recreate the problem. Here’s an article for … Read more

Resize Images Programmatically Using Python

July 22, 2021February 9, 2019 by Carlos

Happen to have a ton of giant marketing materials that you need to get down to size for your website? Are you about to release an app and need to resize images down to Google/Apple’s prescribed dimensions? I mean you could always open the images individually in GIMP (my preferred image editor), go into tools, … Read more

OpenPyXL – Writing To an Excel Workbook Using Python

July 22, 2021February 2, 2019 by Carlos

Prep First let’s make sure you have the OpenPyXL library installed. If you’re already in Python and don’t want to needlessly exit the interpreter, then type the following: This command should list out all the methods of OpenPyXL if it is in fact installed on your machine. Else, we’ll have to turn to pip. Assuming … Read more

Dictionary to DataFrame | Creating a Pandas DataFrame Using Scalar Values

July 22, 2021January 29, 2019 by Carlos

Trying to make a a Pandas DataFrame but getting the, “If using all scalar values, you must pass an index” error?

Delete a Column From a Pandas DataFrame

July 22, 2021January 26, 2019 by Carlos

Need to delete a column from a Pandas DataFrame

Pip Installation for Macs

July 22, 2021January 24, 2019 by Carlos

Let’s get pip up and running!

Android On Click Listener

June 1, 2023January 24, 2019 by Carlos

Buttons are one of the most important building blocks in any application. Thus, their implementation is a key milestone in learning any new language that deals with GUIs. The following should get you through making any View, Button, or Image respond to touch in Android Studio.