Adam McQuistan

Articles: 35

Joined: Sep 22, 2017

I am both passionate and inquisitive about all things software. My background is mostly in Python, Java, and JavaScript in the areas of science but, have also worked on large ecommerce and ERP apps.

Recently published

Article

Read a File Line-by-Line in Python

A common task in programming is opening a file and parsing its contents. What do you do when the file you are trying to process is quite large, like several GB of data or larger? The answer to this problem is to read in chunks of a file at a...

Adam McQuistan

Dec 19, 2022·15 min read

Article

Working with Zip Files in Java

In this article I cover the basics of creating, interacting with, inspecting, and extracting zip archive files using Java (OpenJDK 11 to be specific). The code sample used in this article is in the form of a Gradle project and hosted in this GitHub repo for you to run and...

Adam McQuistan

Aug 20, 2019·12 min read

Article

Asynchronous Tasks in Django with Redis and Celery

In this tutorial I will be providing a general understanding of why celery message queue's are valuable along with how to utilize celery in conjunction with Redis in a Django application. To demonstrate implementation specifics I will build a minimalistic image processing application that generates thumbnails of images submitted by...

Adam McQuistan

May 27, 2019·32 min read

Article

Affine Image Transformations in Python with Numpy, Pillow and OpenCV

In this article I will be describing what it means to apply an affine transformation to an image and how to do it in Python. First I will demonstrate the low level operations in NumPy to give a detailed geometric implementation. Then I will segue those into a more practical...

Adam McQuistan

Mar 04, 2019·35 min read

Article

Automating AWS EC2 Management with Python and Boto3

In this article I will be demonstrating the use of Python along with the Boto3 Amazon Web Services (AWS) Software Development Kit (SDK) which allows folks knowledgeable in Python programming to utilize the intricate AWS REST API's to manage their cloud resources. Due to the vastness of the AWS REST...

Adam McQuistan

Jan 01, 2019·30 min read

Article

Java's Object Methods: wait & notify

This article is the final tutorial of a series describing the often forgotten about methods of the Java language's base Object class. The following are the methods of the base Java Object which are present in all Java objects due to the implicit inheritance of Object. toString toClass equals hashCode...

Adam McQuistan

Dec 11, 2018·13 min read

Article

Java's Object Methods: finalize()

This article is a continuation of a series of articles describing the often forgotten about methods of the Java language's base Object class. The following are the methods of the base Java Object which are present in all Java objects due to the implicit inheritance of Object. toString toClass equals...

Adam McQuistan

Nov 14, 2018·6 min read

Article

Java's Object Methods: clone()

Adam McQuistan

Oct 31, 2018·10 min read

Article

Java's Object Methods: hashCode()

Adam McQuistan

Oct 16, 2018·18 min read