Introduction

Cross-Origin Resource sharing (CORS) is a server setting that can be quite annoying. In general CORS is a great idea as it provides enhanced security by specifying which ORIGIN is valid.

If you are a developer that controls the front and backend of an application, good news. Review the following …

A quick tutorial on using Imagemagick to remove a background colour from images. The image file format needs to support transparency e.g. PNG.

NOTE: JPG doesnt support transparency, so it would be necessary to convert the file.

Remove background color

1. Set the input file

1input="old-white.png"

2. Set the output …

A quick tutorial on using Imagemagick to add a background shadow to images. For the best result, ensure the original image has a transparent background. It is also useful to observe consistent sizes for the images.

Add a shadow

1. Set the name of the input image - for example

1input="old.png"

2. Set the name of …

A quick tutorial on using Imagemagick to resize images. Imagemagick provides a couple of options that are worth considering.

• Resize with constraints (i.e. maintain the aspect ratio)
• Resize without constraints

Intelligent Resize

1. Resize an image and adhere to the aspect ratio of the original image

1convert old.png …

Node.js Installation

The Node.js programming language is an open source project to make programmers more productive.

Node.js is flexible and easy to learn. Its wide adoption is primarily down to the universal nature of the language. If you have a web browsers such as Google Chrome, it comes with a very rudamentary …

Introduction

In this post I collate the blog posts on building static sites with Hugo and Cloud Build for easier reference. At the beginning of the process, I wanted to experiment with using Hugo. As time progressed I found it to be an awesome piece of software. In addition I also wanted to utilise Cloud Build to …

Convert JSON to CSV with JQ.

jq is like sed for JSON data - you can use it to slice and filter and map and transform structured data with the same ease that sed, awk, grep and friends let you play with text.

Being able to move between different file format is quite a common task, so I was delighted to find a quick and …

How to use Buildpacks on ChromeOS (Debian Buster).

What is a buildpack?

"A buildpack is something you’ve probably leveraged without knowing, as they’re currently being used in many cloud platforms. A buildpack’s job is to gather everything your app needs to build and run, and it often does this job quickly and …

Google Cloud Professional Cloud Architect Certification (Jan 2021)

Disclaimer: Non official content, errors and omissions excepted

Exam Knowledge Areas

Pre Exam Notes

• Kryterion Sentinel software (Windows/Mac) installation requires administrator rights
• Kyterion system check - do this at least a day before to be on the …

Introduction

If you want to host a static site e.g. blog or website, there are plenty of great options available. One option is to host your content in a storage bucket. Another option is to use Firebase hosting. Recently I watched a couple of YouTube videos that walk through the process of setting up a site.

• Hosting …