Data cleaning in Pandas
This tutorial on Pandas data cleaning covers removing nulls and duplicate values, deleting rows and columns, and other methods to standardize the data set.
Miscellaneous
Is Julia Easy to Learn for Python Developers?
When I first took a look at Julia, I was wondering if it would be easy to learn and use it, coming from a background as a Python developer. I thought features like LISP-style macros might make it a difficult transition. It turns out it was easier than expected. Julia has many features that are … Read more
Getting Things Done With Dendron and VS Code — First Look
Last week, I wrote an article about Getting Things Done (GTD) using VS Code, and one of my smart colleagues suggested I take a look at the Dendron extension. I’ve been using this extension fairly heavily since then. I’ve also been figuring out how I want to integrate it into a GTD workflow. Since Friday … Read more
Getting Things Done with GitHub, Markdown, and Visual Studio Code
I am at the beginning stages of trying to focus my work better than I have been able to do while working on my one-month goal of posting consistently on LinkedIn. This posting goal exacerbated some pre-existing issues around the organization of my work. Those of you who ever read David Allen’s popular productivity guide, … Read more
The Marketing Genius of 100 Days of Code
I’m not sure if FreeCodeCamp was the first outfit to get folks beavering away on Twitter under the hashtag #100DaysOfCode, but it seems to be associated with them now. This hashtag was a stroke of marketing genius. Since consistent daily coding is a fun hobby that often pays off in a solid career over time, … Read more
Node Starter Projects
Over the last few days, I’ve decided to brush up my node a bit. To begin that effort, I’ve started to create some Node starter projects. I’ve called the repository Node Tutorials in honor of the Java Tutorials that I had put together a few years ago. There really isn’t an accompanying Node Tutorials series as there was for … Read more
Fast S3 Updates with Golang and Goroutines
I recently wrote a go program to optimize my S3 uploads for this blog. The idea was to write a program that would only upload the files that have changed (rather like RSync) rather than bulk uploading the whole site each time. Although there are third-party tools to do this, I wanted to learn more … Read more
Simple Vagrant Ansible Local Example
I recently worked on a project showing how to install and configure a complete Pentaho Server instance with a back-end data repository housed in Postgresql. I wanted to select a provisioner for this work that would be easy to use to deploy the server either as a single instance VM, as an Amazon AMI, or … Read more
Using TestNG With Spring
Although there aren’t too many examples to be found about it, using Spring’s AbstractTestNGSpringContextTests turns out to be really easy! We walk you through it in this brief tutorial. Testing Spring in JUnit is fairly simple given the test runner support. Using TestNG is a little bit more complex, but this tutorial will quickly get … Read more
DirectoryInfo Example
In the spirit of our DriveInfo example, which was a little slip of a thing, here’s a simple C# DirectoryInfo example. You May Also Enjoy Python Format Strings: Beginner to Expert Python Operators: The Building Blocks of Successful Code
