Django AWS s3 enable file_overwrite only for some files
Here’s a conundrum: what if I want most files to not overwrite in S3, but I want some specific files to be unique and keep …
Preview HEIC thumbnails when the frontend tools won’t
Since iPhone 8, a new image format has been around. HEIC files are unfortunately not supported by many frontend tools. While some solutions have been …
Django – Upload image from b64 data to AWS
The previous post covered image file optimisation to AWS S3, using Django/Python. But a lot of frontend editors will only give us the image as …
Django – Optimise images before upload to AWS
Image uploads are problematic to store if the files are too big. Our requirements in this case were: convert uploaded images to JPG before upload …
Number readability with underscores in Python 3
Here is a neat trick for Python numeric values: you can improve readability of large numbers by using underscores as separators, like this: caption taken …
Django REST Framework — Programatically get related entity and serializer
Image: infinite realities nexus point by TellOfVisions Let’s say we have an entity nexus point, i.e. many other entities that have o2m relations to the …
Sprintf is your friend
Usain Bolt, famous sprinter. If he were a programmer, he’d definitely be a sprintf-er. I’ve seen many developers steer clear of the sprintf function. In …
The manageable .gitignore file
How do we keep a readable and manageable .gitignore in a team of many members? The following solution takes advantage of the 3 different files where …
Git checkout to latest branch
I’m embarrassed to have only found out about this cool gimmick. Using the command line, when you cd to a given path, you can always …
MySQL UPDATE based on data from different tables
Just like my previous article on the meaning of COALESCE, the following problem is one of those brain teasers that keeps developers busy for a …