Posts

  • Scraping Transaction Data from KBC Bank

    In a previous post, I mentioned importing transactions using ledger/hledger and plain text accounting. As my former bank PTSB recently raised their fees, I decided to move to KBC. I was excited to see, as part of the open payments directive, they have a nice developer portal. I reached out to KBC’s dev team, but alas they are only accepting registered companies, who meet stringent criteria. They told me they hope to open it up soon to end users, I live in hope!

  • Using IPv6 with Docker Compose on Ubuntu Server

    I recently started using PiHole to block ads on my home network. As the name suggests, you install it on a raspberry pi. I left it in situ for about a month, until I decided I wanted to swap out the pi, but keep PiHole.

  • Learning Org Mode

    Since hearing about org-mode on the web many years ago, I always meant to give it a spin. I only ever found one two problems:

  • Favourite Podcasts

    Over the last while I’ve been collecting wonderful podcast episodes from the hundreds of hours I’ve listened to. I’ve even workshopped some of my favourites with colleagues and friends (they all approve!). Luckily a neat service called HuffDuffer allows you to create a personalised feed from episodes spanning any podcast you see fit. All you need is a direct link to the MP3 or indeed any format audio file.

  • Python 3 In-Memory Zip File

    In Python, BytesIO is the way to store binary data in memory. Most examples you’ll see using zip files in memory is to store string data and indeed the most common example you’ll find online from the zipfile module is zipfile.writestr(file_name, "Text Data"). But what if you want to store binary data of a PDF or Excel Spreadsheet that’s also in memory? You could use zipfile.write() (designed to take binary data) but then you can’t specify a filename (since our in-memory file was never written to a location on disk). The reason for this is simple: for a web request or for a test case, you shouldn’t need to store any files on disk.


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