scripting multiple gnome terminal tabs
Sometimes it feels like I'm looking at logs all day. Certainly there are times when this is more true than others. If you find yourself in one of those time...
Recent Posts
MySQL drop column if exists
Idempotence describes the property of operations in mathematics and computer science that means that multiple applications of the operation do not change th...
Django forms date field format
Django defaults dates in forms to the format "2010-01-15". But changing the default format is fairly straight-forward, though there appears to be some confu...
Finding open VNC hosts with nmap
Say you have a machine using DHCP that you only boot up once in a while. It's headless, so you need to remote into it. How can you find out what IP it has? ...
Python smtplib long header folding using tabs instead of spaces
Unless you have done a lot of work with generating and parsing emails, you are probably not intimately familiar with the details of the MIME format. Here is...
Protocol Relative URLs
If you follow YSlow rules, then you are likely separating HTTP requests for static resources (images, CSS, javascript) onto a second domain. Maybe you ev...
Allowing periods (and other characters) in Django’s user model
By default, Django's authentication middleware only allows user names with 30 characters or fewer, containing only letters, digits and underscores. What if ...
Letting ssh remember your passwords
If you're like me, you ssh into the same small set of machines over and over. Maybe sometimes you run commands that sit on top of ssh, like scp for file cop...
Changing image links in CSS to use a static domain with Django compress
Django compress is a great little utility for hitting some of the YSlow website performance high notes. It can combine and minify css/js files on the fly, w...
YSlow 80/20
I spent some time this week optimising a new site, specifically looking at some of the YSlow recommendations.