This is an amazing presentation, from both the technological viewpoint, as well as from the personal development viewpoint. Bio: Bret Victor invents tools that enable people to understand and create. He has designed experimental UI concepts at Apple, interactive data graphics for Al Gore, and musical instruments at Alesis. For more on Bret, see http://worrydream.com. […]

We decided to consolidate our office network and we bought a new server with 32GB of memory and some new processor and motherboard. We will use this machine to run all the machines as VMs in VMware ESXi. We decided to use another port for SSH, say… 222. These are the steps to reconfigure VMware […]

My latest adventure with Linux was today. I needed to make a cron job to update some folders from SVN periodically. The folders were located in /var/www, so I had to checkout them from SVN using sudo: When I checked out, my username and password were required, and I answered with yes when asked if […]

I am reevaluating my decision of becoming an Apple fan or not… And I tend towards becoming one. Just because of the excellent marketing and the excellent hardware! But the software isn’t that bad either! Mac OS X, once you get a bit used to it, might become your favorite OS! Of course, it has […]

I just encountered this problem: I have an Ubuntu box, on which ran this downloading service. Because some complaints from the Internet provider, I decided to use another network (from another provider) for this downloading service. Everything else needed to remain the same. So I installed a new network card on the system, and it […]

Ok… I started to do some Android devel… And I started to like it, even if it is based on Java, works in Eclipse and has a ton of classes. Now, the first project is a widget (weather widget). For this, there’s this “AppWidgetProvider” class that implements the design and functions for data retrieval (using […]

It seems that the long-awaited WordPress 3.0 is out and it also seems to have some new features that, in my opinion, brings WordPress closer to what a real CMS should be. I worked quite a lot with Drupal and now I consider WordPress to be a good alternative for all those projects. The most […]

I needed recently to overlap, on a web page, a text on an image, and the text was to be white, with a black background, with alpha. For this, the solution is to make two DIVs, both positioned in a container div. The container div has to have “position: relative”. The second div has to […]

If you’re using Windows and you have some projects synced with SVN, you could have sometimes the need to remove the folder’s SVN references. This can be done in Windows Explorer by browsing and removing all the .svn subfolders, but if your folder has many subfolders, you’ll have a lot of work to do. There’s […]

Because MySQL became one of the most used database engine in the world and because of the ease of development in PHP with MySQL, most of the prototype application can be developed at first using this combination (PHP+MySQL). But then, mainly because of performance issues, one might want to implement that project in C – […]