Developer Blog

A Rogue Antivirus called Internet Security 2010
by Izak Burger — last modified Jan 30, 2010

I don't use Windows. This is a religious conviction. As a rule I don't fix other people's Windows PC's either, because once you've done that anything that goes wrong is your fault. But every once in a while a really good friend asks you to help and you take pity on him.

Finding fat free alternatives for upfront.diet
by Roché Compaan — last modified Jan 12, 2010

A list of Plone catalog dependencies and alternative implementations that don't rely on the catalog.

Dexterity in my labority
by Hedley Roos — last modified Dec 28, 2009

Dexterity is a next-generation content type framework for Plone. By day I'm an Archetypes man but by night I delve into Dexterity. These are a few not-so-first impressions.

The Upfront Diet for Plone
by Roché Compaan — last modified Dec 14, 2009

It's time to put Plone on a diet that works. Loose weight now, ask me how!

Reconsidering Pair Programming
by Roché Compaan — last modified Dec 04, 2009

We gave pair programming a fair chance but I'm afraid it didn't work out.

Varnish, Zope and Backend Checking
by Izak Burger — last modified Dec 03, 2009

I sent this explanation about some trouble we had with varnish's backend probing to a client a while ago. The information is useful enough that it should be in a blog post.

Choose your index carefully
by Izak Burger — last modified Dec 01, 2009

When designing a relational database schema, just adding an index on every column that might be in involved in a where-clause might not be enough. It might be downright wrong.

How to move contacts from Nokia phone to Android phone
by Gustav Franzsen — last modified Nov 20, 2009

So you got your Android phone and need to get your contacts from your old Nokia brick onto it?

Using form widgets anywhere
by Hedley Roos — last modified Oct 04, 2009

z3c.form and a few other products provide nice widgets for use with schema driven forms. This post shows how to use such a standalone contextless widget in a template.

Progress bar for Plone
by Roché Compaan — last modified Sep 28, 2009

Don't let long running jobs time out, just wire in collective.progressbar.

Simple References
by Roché Compaan — last modified Sep 12, 2009

Simple references can speed up your Plone application significantly.

Fetching objects in a folder optimally
by Hedley Roos — last modified Sep 08, 2009

I find I'm frequently iterating over objects in a folder and this is usually painfully slow for large folders in large object databases. But did you know it is easy to significantly speed up this iteration?

A decorator for doing things in a subprocess
by Izak Burger — last modified Jul 23, 2009

If you need to fork or drop privileges often, this will help.

Plone Archetypes redirection after creation
by Francois Lubbe — last modified Jul 23, 2009

Redirecting to some URL directly after clicking on "Save" on custom edit template for Archetype content type

Migrating an entire linux-vserver virtual server to another machine
by Izak Burger — last modified Jun 23, 2009

I always forget the exact rsync command used for this purpose. Here it is for me and the rest of the world too.

Schema extender for a specific browser layer
by Hedley Roos — last modified Jul 03, 2009

archetypes.schemaextender is currently a bit light on documentation so I created this example of a schema extender that extends a schema for only a single browser layer.

Subclassing FolderishMember in ArgoUML
by Hedley Roos — last modified May 13, 2009

ArchgenXML cannot generate classes that subclass Remember's FolderishMember. This page shows you how to do it.

From own SVN to collective SVN to Pypi
by Hedley Roos — last modified Apr 14, 2009

This describes the procedure to move a product from your own SVN repo to the collective SVN repo. Finally it shows how to publish the egg to pypi.python.org.

Firefox Redirect Loop and plone.app.redirector behaving badly
by Hedley Roos — last modified Apr 10, 2009

If you encounter a Firefox Redirect Loop when browsing to an object then plone.app.redirector may be at fault.

Plone 3 skinning and other atrocities
by Francois Lubbe — last modified Jul 07, 2009