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This is a technology blog by Matthias Friedrich, a software developer and architect from Karlsruhe, Germany. more ...-
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Tag Archives: tools
A Quick Introduction to sed(1)
The sed(1) stream editor is one of the most powerful tools from the classic Unix tool box. It is a close cousin to the ed(1) command line editor and a descendant of the ex(1) editor, the command line mode of … Continue reading
Frontend Engineering
Despite all its shortcomings as a programming language, JavaScript isn’t a dirty word anymore. A decade ago, most self-respecting developers would refuse to even touch it, so it was left to web designers and junior developers who spiced up a few HTML pages … Continue reading
Undoing Things With Git
Sometimes bad things happen in a software project and you have to revert a change that has already been committed. There are several ways to do this with Git, including Git’s slightly scary ability of changing history. I’ll show you … Continue reading
Matplotlib: Plotting Bar Diagrams
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 … Continue reading
Mutt: “too many errors”
I’m probably one of the last people on earth who still use a text-mode mail client. Mutt has been my tool of choice for 15 years and apart from certain limitations (hey, it’s text mode!), I’ve never had any problems. … Continue reading
Visualizing Package Dependencies
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 … Continue reading
Plotting Time Series Data with Matplotlib
It’s been a while since my last article on Matplotlib. Today we’re going to plot time series data for visualizing web page impressions, stock prices and the like over time.
Changing the Number of Workspaces in Unity
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.
