First, install Homebrew. Then run brew update to make sure Homebrew is up to date. As a safe measure you should run brew doctor to make sure your system is ready to brew. Run the command below and follow any recommendations from brew doctor. Next, add Homebrew’s location to your $PATH in your .bash_profile or .zshrc file. Next, install Node (npm will be installed with… Read More »
In the previous post we made a simple app. Now let’s use VUE Cli to make a more advanced app with a state store, router and testing. Installation. Add the Vue CLI using the following command in your terminal. You can find more details for Vue CLI installation here Vue installation details . You can… Read More »
View.js is one of three popular frameworks in use today. The others are react and angular. All my previous apps were done with react. I am excited to see what Vue has to offer. This short tutorial will show you how to get a Vue app up and running from scratch. Setup To use Vue… Read More »
This post will be about creating a dot net core application in a docker container. This allows us to run .NetCore in linux so we don’t need a windows server. Todo this we will use docker. Docker desktop is a great tool for the mac and PC for personal use but no longer free for… Read More »
This post will be about how to implement custom output formatters for ASP.Net Core Web APIs. I needed to create custom output formatters for my spatial data model because geometry objects can contain negative/positive infinity and nan types. JSON does not support these types. GeoJson Output Formatter So I preceded to write my own output… Read More »
A typical datalake contains raw data from many sources. The data can be in various forms: unstructured, semi-structured or structured. UnStrucutured TXT CSV Semi-Structured XML JSON Structured MySQL Parquet This post will be about improving your datalake by using parquet files for better downstream processing. Why use Parquet files? Structured files are preferred for data… Read More »
In a previous post we used a jupyter notebook to play with spark. In this post we will use a zepellin notebook. Both can be used for big data and it is personal preference which one you want to use. Create a directory and create a csv file First create a directory on your machine… Read More »
This tutorial will be about playing around with spark using a jupyter notebook. The Jupyter notebook allows you to create documents that contain live code, equations, visualizations and narrative text. We will use this notebook to become familiar with spark and demonstrate some big data concepts. To keep costs low it will be installed on… Read More »
This post will be on promises in javascript. Promises are used for asynchronous processes where something will take time and it will prevent blocking your code. Promises return a resolve for a successful operation or a reject for a failure. Define a promise as follows and then use .then for the success and .catch for… Read More »