Sick of getting your wordpress hacked? (contest below)

Crashed again

I sure am. After a proper installation/configuration, the most important factor is to always stay updated to the last version. I’m managing at this time 8 or more blogs/websites running different versions of WordPress and it’s hard to keep them up to date.

Automatic upgrades help, although they still terrify me after the 2.8 crash.

The problem is, some of these blogs are set up for friends or old projects, and I forgot to frequently check if they are using the latest version. Most of the times, they become crammed with spam, and eventually trigger google’s malware detectors. Most of the times I notice the hack because of firefox malware warning.

So I started a side project to help me keep track of all those blogs and their versions, and it’s seems is close to see the light. This is how it looks right now:

beta screenshot

I will need testing, so if you want to participate in the beta, fill the signup form, and I’ll send some invitations.

Also, I’m looking for a nice name for the thing. If you have a good idea, put it in the ‘Proposed name’ field on the signup form. The winner(*) will get the first beta invitation and free full access to the product for 1 year after it launches. Make sure a .com domain is available for the name you propose or it won’t have many chances.

(*) There will be only 1 winner: the first person to propose the chosen product name. Simple rules, but… without rules we are nothing but savages.

Discovr: a flickr experiment gone wrong

I need help with this. I had a dream… Well, not so much as a dream, maybe a “It’d be cool to…”

I thought it’d be nice to discover new photos on flickr using your favorite photos and the people who also favorited those photos, and the favorite photos of those who also favorited my pictures. Still with me?

It’s actually a quite simple code (about 500 lines, check it on github: discovr), but it’s terribly slow. Some possible reasons:

  • Way too much data. I’ve found people with around more than 18000 favorites, and there are photos with more than 2k fans. After limiting to 50 last favorites, the numbers are still creepy. Following from my personal favorites (366), I discovered 1268 users and 52632 photos
  • Too complicated for an API. This is the kind of feature that wouldn’t be so hard to implement if you have access to the flickr database directly, but having to do so many requests adds a lot of time to the process.
  • Inefficient library. I had to do some modifications to the flickr ruby library just to make it work, but it’s still quite inefficient in some cases. Want to know the url of a picture (knowing the picture id)? 4 (completely unnecessary) API calls
  • My code is bad. OK, I know it’s ugly to start blaming everyone else. I know my code is not very good, as it’s a quick prototype. Still, I’m not sure if making my code/libraries better would be enough improvement given the network/api bottleneck

The simplified algorithm goes like this.

  # method from class User
  def similar_pictures
    similar = {}

    favorites.each do |favorite|
      favorite.favorited_by.each do |user|
        user.favorites.each do |v|
          similar[k] ||= {:weight => 0, :picture => v[:picture]}
          similar[k][:weight] += 1

    similar.values.sort {|a,b| b[:weight]  a[:weight]}.select {|v| v[:weight] > 1}

So I’ve created a github repository and uploaded the code: discovr at github. Feel free to clone, test and improve

42foo: all the virtual hosts you need for your web development

I’ve done a fair amount of web “design” (mostly implementing designs of others) and development in the past, I usually set up a lot of virtual hosts in my local apache. I’ve done that in three different ways.

The quick&dirty hosts file

Point any of your development domains to in the /etc/hosts file. It’s the easiest way, but you need to add them one by one. At some point, mine could look like this:
# ... and so on

Getting smart with dnsmasq

This is a more automated method. You install dnsmasq and configure as your DNS server. Then add this to your conf:


This worked well, and acted as a dns cache. But I had some trouble with dynamic dns entries at our old office: would point to a local address inside the office and our remote IP from outside, so I found myself clearing the cache too often.

42foo: the zero-code web service

So I made it external. I bought and set up a bind zone with this:

@                       A
*                       A

So, or always point to

You still have to set up the virtual host, but there is one step less for web development. Feel free to use it, and let me know if you set up something similar with a shorter domain name🙂

MySQL Conference 2009, I need an idea

I had a sad time this year when I missed the MySQL conference, since I had much fun last year in Santa Clara. I can’t miss it next year.

As a MySQL partner, and after almost 2 years doing MySQL training, I sure have interesting things to tell in the conference, but I’m not sure about what.

I will be thinking about this in the next weeks, but I’d appreciate some help. What topics are you interested in?