It’s becoming more and more common on the web to create pages that, on some situations, display some object over the page content. This could be a photo (using LightBox), a movie (like Apple does on their trailers site for non-HD trailers), a dialog, a color-picker, etc. In that situation, you often want to make […]
Making an invisible overlay layer work on IE Read More »
Backups are vital for keeping your data safe, but keeping them in the same physical place as the backed up data has some drawbacks. If your house or office catches fire, or some natural disaster occur, you loose all your data anyway. If the place is robbed, there’s a high probability that the burglars take
Stardom SOHORAID review Read More »
Introduction As I previously wrote in my blog, I was waiting for a whole disk encryption solution to be made available for Mac OS X. Some months ago, Checkpoint released what I believe was the first solution ever to support full disk encryption on the Mac, including the boot disk. Recently, as I noted before,
PGP Desktop 9.9 mini-review Read More »
Well, WWDC is almost done, I’m waiting for the last session on Level 3 of Moscone, near one of these really big windows. It’s a really big pain to not being able to write here all that I have learned about WebObjects (for those of you who don’t know, WWDC sessions are covered by NDAs).
I found out the hard way the recently released third main version of Firefox has a serious issue related to the order in which the Javascript code is executed in a page. The bug is somehow related to the files being, or not, cached on the browser. Wonder Ajax framework adds a lot of Ajax
Firefox 3 javascript evaluating order problems Read More »
I still didn’t have time to investigate this deeply, but here goes anyway, as I didn’t find the answer to this anywhere. I had the problem described in the Apache 2.2 adaptor: SSL fails on FreeBSD amd64 thread in the WebObjects-Deploy mailing list. As the thread suggests, the problem is not related to 64 bits
WebObjects, SSL, Apache 2.2, FreeBSD problems Read More »
One of the databases that support our application has some tables where data is updated very frequently. In PostgreSQL world, this means the table must be vacuumed very frequently to remove the old versions of the updated rows, clearing up space for new rows or new versions of existing rows. On very frequently updated tables,
WebObjects, PostgreSQL and DB growing, and growing, and growing Read More »
I was expecting that. Fortunately, I was ready for it. So, I’ll describe some details of upgrading Leopard Server from 10.5.2 to 10.5.4 to avoid you the same trouble. If you read my previous article about Leopard Server, you know that I had to recompile MySQL, PHP and Apache to PowerPC 32 bits, because I
Upgrading Mac OS X Leopard Server Read More »
WARNING: the solution presented in this article is wrong. It’s a partial solution only, it won’t always work, and you may screw up your data. To see why, check my second article on this issue. There are many situations, in simple web applications, where you don’t really have to deal with concurrent data update. Imagine
Recovering from optimistic locking exceptions Read More »
When developing a Web Application, many times you need to test how will it react then operating over a slow internet connection, like 56k modem, GPRS or any other situation where the bandwidth is tight. This is important not only to test how long will those funky pictures take to load, but as AJAX gets
Emulating a slow internet link for http Read More »