Author Archives: Dennis

An Image Upload Extension for YUI Rich Text Editor

Before you begin: Read the updates at the bottom of the page. This post was written for an older version of the YUI library. I’ve had nothing but good things to say about the Yahoo User Interface tools. It seems … Continue reading

Posted in Programming | Tagged , , , , , , | 135 Comments

Using piped svndumpfilter commands to separate an svn repository

According to the documentation for svndumpfilter, you can include one subcommand when filtering a dumped repository. Suppose you have a repository that has a path “/some/path” that you’d like to separate out into its own new repository. From the documentation, … Continue reading

Posted in System Administration | Tagged , , , , , | 6 Comments

Customize your laptop speed for temperature and performance

I while ago, I found a great article on Slashdot that shows how Windows XP manages variable speed CPUs. Well, at least it applies to Intel Speedstep technology. If you have an Intel processor (like the Core 2 Duo T7200 … Continue reading

Posted in Hardware | Tagged , , , , , , | 3 Comments

Elements of Great Web Design: The Polish

I’m not an expert designer. In fact, most of the time I feel inadequate when it comes to picking colors, layouts, and other features that a designer usually takes care of. All my design has to do with interfaces, classes, … Continue reading

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Using tcpdump on a linux-vserver guest

To debug a problem I’m working on, I need to be able to see network traffic on an interface inside a linux-vserver guest. To do this, you have to enable the CAP_NET_RAW capability for that guest. > echo “NET_RAW” >> … Continue reading

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Programming a client for the WHOIS protocol

I have a little task that involves programmatically determining whether DNS servers are set correctly for a domain. Since this project is written in Python, I first set out to see if there were any “whois” clients already available for … Continue reading

Posted in Programming, Web | Tagged , , , , | 4 Comments