Before I started using Vala (and sometimes even after that) I often needed to generate new classes based on GObject.

If you have ever worked with GObject in C, you know how tedious it can be. You need a pretty long boilerplate just to register your class, and, if you …

read more

Although I have just started making it in C, I decided to move my Matrix GLib SDK to Vala. First to learn a new language, and second because it is much easier to write GObject based stuff with it.

For the first step I created a .vapi file from my …

read more

I have recently started creating a GLib implementation of the Matrix.org API. For that, I have created a GObject interface, MatrixAPI, which has as many virtual functions as API calls (which is a lot, and expanding). This way I ended up with the following scenario.

In matrix-api.h I …

read more

A friend of mine asked me how it is possible that she pushes buttons on her keyboard and mouse, and in an instant her peer reads the text she had in her mind. This is a step-by-step introduction of what happens in-between.

read more

I have recently bumped into this article. Naturally, I quickly calculated the FAIL metrics for all my projects (most of them are pretty high). To ease calculation, I made up a small page based on this list (although I have divided the points by 5; I really don’t understand …

read more

One thing I really miss from Django is Symfony’s @ParamConverter. It made my life so much easier while developing with Symfony. In Django, of course, there is get_object_or_404 but, for example, in one of my projects I had a view that had to resolve 6(!) objects from the URL …

read more

Few days ago I needed to create style sheets with many rounded boxes, where different corners had to be rounded differently (think about Bootstrap’s button groups).

CSS has this nifty shorthand to specify border width in one line, like with border-width: 1px 2px 3px 4px, but it lacks the …

read more

Few years ago I have signed up for a Digital Ocean account. I used one single droplet for my private needs, like hosting my private Git repositories and my blog. However, as I didn’t host anything else there except my blog, I decided to shut it down. From now …

read more

Few months ago we “implemented” a bug in our software, which was released to the customers. We continued development for two weeks when the first customer ticket arrived about the bug. We successfully reproduced it with the customer’s version, but not with the development sources; it turned out that …

read more

I have recently faced a problem, where I had a bunch of SVG files with a large amount of fraction numbers in the path definitions. These images were displayed in small size, so this amount of precision was irrelevant, and these numbers took almost half of my SVG images’ size …

read more