I like Dolphin, but it seems like something this basic should be simpler.

PDFjam offers a useful set of PDF manipulation tools.

Check the README.

Local sync of multiple instances seems to work, but for my use case it's not great.

How to get started with LaTeX from a n00b's (i.e. my) perspective.

How to set the compose key in Xfce.

The results of parseInt() are somewhat inconsistent, so I wrote this to clean it up.

Automatically output whatever video VLC is playing on another monitor in fullscreen.

I couldn't find the E-ANS website (a Dutch grammar), but apparently it moved to a new location without any kind of redirect (via).

There's a fourth wall that needs to be broken down. Governments and official voices point out forever that good fences make good neighbours, and tighten the border controls in an effort to make us happy where we are. But something there is that does not love a wall, and it's called humanity. From Vier Mauern by Neil Gaiman and Dave McKean (1990).