A while ago we plotted time series data with Matplotlib. This worked nicely, but with the data at hand, a bar diagram would have looked much better. In this article I'll give you a template for using bar diagrams with time series data. This builds on the work we did …read more
Managing module or package dependencies is an important design activity that helps to keep a software project maintainable. Visualizing these dependencies is a good way of getting a first impression on a project and for exposing design problems. In this article we're going to create a basic visualization for a …read more
If you haven't already, install Matplotlib (package python-matplotlib on Debian-based systems) and fire up a Python interpreter. For the rest …read more
In Ubuntu's Unity, you get four workspaces per screen, arranged in two rows with two columns each. Fortunately, there's a way to get more desktop space, but in Ubuntu 11.10 it takes a bit of searching.
After clicking around for 20 minutes, I finally found a menu in compiz' …read more
It's amazing how sometimes problems solve themselves. Since my last article, I got a new home router (a FRITZ!Box Fon WLAN 7320) that nicely solves the problem of accessing network devices with dynamic addresses even without Zeroconf.
My router also acts as a DNS proxy and provides a few …read more
Occasionally I want to transfer a file from my Linux desktop machine to one of my Android-based devices via my home network. Shouldn't be a problem, there are lots of networking protocols for this, right? In practice, many solutions you think of aren't convenient enough for daily use.
Services like …read more
When I'm at my desk I use an external LCD monitor with my netbook. I'm glad that switching displays finally works on Linux, but even on Ubuntu it takes a lot of clicks in the Monitors menu. Fortunately, I found a way to map this to keyboard shortcuts.
The following …read more
With traditional Unix sort(1), the size of the files you can sort is limited by the amount of available main memory. As soon as the file gets larger and your system has to swap, performance degrades significantly. Even GNU sort which uses temporary files to get around this limitation …read more
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