In the first part of my “React-Redux for Newbies” series we discussed why Redux is used. In short, Redux simplifies state management in React applications. For this installment, we will dive into the inner workings of Redux and discuss reducers. This article will explain what a Redux reducer is and how it works within React....Continue Reading

Over the past 3 months, I have been working exclusively with React-Redux to build a web application. Initially the learning curve was steep. I had to get more familiar with javascript, learn React-Redux, and get familiar with an existing codebase. Working in an existing codebase as a novice can be a gift and a curse....Continue Reading

We are writing cleaner code that is more predictable and easier to test ever since we began implementing some of the key concepts of functional programming. Functional programming is a programming model in which everything is created within pure functions, emphasizes immutability, and ignores external state. Pure Functions A pure function is a function in...Continue Reading

We understand how hard it can be to maintain your downloads directory. We developed a python script to delete any file within the downloads directory that has been modified more than 7 days ago. After reading this tutorial, you will know how to delete all files within a directory and execute the script on schedule...Continue Reading

The timeit module enables you to measure the execution time of python functions. This proves beneficial when looking to optimize your python code. Especially, when determining the best way to solve a problem. During this tutorial you will learn about the timeit python module and how to use it to time your python functions. What...Continue Reading

Looking for ways to optimize python lists? We will cover a few data structures and algorithms that will help you optimize your code when working with lists. At the end of this post you will have a general understanding of the bisect module, deques, and heaps. All of which can be helpful when using lists....Continue Reading

When building a multi-environment application using Terraform, you will need a way to specify environment specific variables. We will discuss how we accomplish this through the use of input variables and tfvars files. Terraform input variables When constructing your cloud architecture using Terraform, you can dynamically configure your resources and services using input variables. You...Continue Reading

Tired of manually deploying your AWS lambda after every change? Let’s discuss how you can offload these responsibilities to a build automation tool, like Jenkins. Jenkins is able to deploy the latest version of your lambda with just a simple click of a button. Deploying an AWS Lambda In order to deploy an AWS lambda...Continue Reading

Recently we discussed how to design a serverless batch process that notifies data consumers using S3 bucket notifications. However, when using Terraform to deploy notifications there are a few things we must take into account. How Terraform deploys S3 bucket notifications Who else is using the same S3 bucket How Terraform deploys S3 bucket notifications When using Terraform...Continue Reading

Are you experiencing an “Invalid ELF header” error when executing your AWS Lambda? If so, you have came to the right place for help. We will discuss the root cause of this error and how to solve this issue with the help of Docker. Root cause for invalid elf header error When executed, AWS Lambdas...Continue Reading