If you want to install Oracle’s SQL Developer on Ubuntu (or another DEB based system such as Debian) you can do one of the following: Download the RPM package and install using rpm (not advisable). Download the RPM package and convert to a DEB package using alien Download the ZIP file titled “Oracle SQL Developer [...]

By default Emacs saves a copy of the previous version of a file you are editing in the same directory as where the original file is located. It saves a copy with ~ appended to the end of the name. ~ is pronounced tilde. However, some tools and programming environments don’t know how to handle [...]

Aha! There is RoR support for Eclipse, via Aptana. I’ve just installed it and the instructions are a bit cryptic. Basically you have to install Aptana first (you can do this as an Eclipse plug-in). Then restart Eclipse and then install the Rails plugin called RadRails. Aptana also has Python and PHP support. Install Aptana: [...]

While writing some RoR code at home (or at least trying to grok the RoR way) I’ve alternating between using Emacs & Netbeans 6.5. Emacs is one true editor to rule them all, but what it’s lacking is code completion such as in Netbeans. I was working on test RoR project last night with Emacs, [...]

To enable mod_perl with Apache2 on Debian & Ubuntu for all directories served up by Apache2, including user directories such as ~/public_html, add the following lines to /etc/apache2/sites-available/default # enable mod_perl     <Files ~ “\.(pl|cgi)$”>            SetHandler perl-script            PerlResponseHandler ModPerl::Registry            Options +ExecCGI            PerlSendHeader On     </Files> In a real production environment you [...]

Doesn’t perform badly, I’ve been using it recently with Ruby code, and I like how it colourises the code to make editing code easier, and performs it auto-completion and method lookup (basically all the features you’d expect with a modern IDE). It’s does’t startup as fast as using Emacs, or vi, but I find the [...]

Oh bugger! [junitreport] ERROR: ‘Unrecognized XSLTC extension ‘org.apache.xalan.lib.Redirect:write” BUILD FAILED Errors while applying transformations: java.lang.RuntimeException: Unrecognized XSLTC extension ‘org.apache.xalan.lib.Redirect:write’ See http://stefan.samaflost.de/blog/2004/10/29#XSLTC. Basically, if your using XSLT transformations with a 1.4 JVM and upgrade to a 1.5 JVM, you will get errors because 1.5 JVMs use a different XSLTC transformer. You can either try and force [...]