Drupal Science Camp was the first Drupalcamp in the UK of 2012. It was wonderfully organised by Rachel Lawson and Euan Bayliss at a magnificent venue provided free of charge by Napp Pharmaceuticals Limited.
Computerminds had the privilege of being one of the sponsors of the event. It was great to be able to support a weekend of learning and general Drupal fun.
If you are free on the weekend of the 21st and 22nd and are anywhere near Cambridge (the UK one!) then make your way to the Drupal Science Camp. The details on their website are a little sparse so far, but it's shaping up to be an interesting little event - plus ComputerMinds are sponsoring it, so it's got to be good :)
We put almost all of our Drupal sites behind the excellent Varnish HTTP accelerator, and it gives us a massive performance boost for most site visitors. However it seems to have a tendency to crash without warning and occasionally just dies, leaving our sites down.
We workaround this issue by using another piece of useful kit, called Monit, that keeps an eye on processes on your server and restarts them if necessary.
We recently needed to migrate all our sites on one physical server to another server, there were more than 200 sites, and they were all hosted with Aegir. The old server was to be decommissioned, so we had to move all of Aegir's data about the site to the new server import into a new Aegir master on the new server. We also needed to do this with as small amount of downtime as possible.
In the end we migrated all the sites with about 30 seconds of downtime each, here's how:
As the year draws to a close we thought it would be appropriate to look back at an exciting year in for Drupal modules, and to list our top 5 Drupal modules of 2011. To qualify for the list the module had to have it's first release in 2011, and have a Drupal 7 version - other than that, anything goes.
Drupal 7 brought us Entities, and with them the powerful Field API for 'storing, loading, editing, and rendering field data.' attached to them. If you're managing everything through 'manage fields' and 'manage display' tabs of your content type, then every part of that process is rather wonderfully taken care of for you.
We often, however, come across the need to render a field outside the context of it's entity. A common example might include rendering a node's author in a sidebar block. Sure, modules like Panels and CCK Blocks will do this for you, but doing it manually is actually not that hard.
Most projects start with you trying out something locally, getting it working and then after some initial testing you might then want to publish the project on Drupal.org. Sandboxes are a great way to throw up some code and the perfect place to pop random code that others might find useful or a project that you just don't want to maintain. If you go and create one on Drupal.org then you'll get helpful instructions for creating a new git repository and creating a basic module to go in the repository and then pushing that code to Drupal.org's servers.
In Drupal 6, if you called node_load then what you'd be returned would be your own copy of the node to change and modify as you pleased, but in Drupal 7 this was changed. By default, what you actually get back from a node_load is essentially a reference to a global singleton for that node. This has the interesting side effect of meaning that if you change anything in the node object, you are probably changing everyone else's copies of that node too.
Here's a quick follow-up to my original post on Dynamic forms in Drupal 7, as a reply to Wappie08, who asked me about combining conditions in the #states array to add increased control over the display of your form elements.
The code that runs http://api.drupal.org is of course Drupal, and it is essentially just scanning the code it's told to and displaying it in a nice format. You can quite easily set up your own API site that you can use to scan your own custom code, or if you're a module developer, your module's documentation (you do have documentation in the code right?)
I'm going to outline how we can use Drupal and Jenkins to build a really nice system for creating an API site that will get updated on-demand, and will manage itself.
If you are free on the weekend of the 21st and 22nd and are anywhere near Cambridge (the UK one!) then make your way to the Drupal Science Camp. The details on their website are a little sparse so far, but it's shaping up to be an interesting little event - plus ComputerMinds are sponsoring it, so it's got to be good :)
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