Solving technology problems, one at a time
When developing an xml-based application, you may come across the need to include HTML data in xml nodes. The problem is that unless this data is escaped in some way, it is interpreted as xml and will cause a malformed structure. The easiest way I’ve found so far to use a CDATA attribute to escape the code automatically. Then, when you are creating an xsl fragment to edit or display the data, use
Continue readingSuppose you want to use the value of one variable as part of the name of another variable, but you don’t know the exact name of the first variable, because it will be selected by user input.
Continue readingHave you ever wanted to assign a function to an onload or onclick event, based on some condition or even from another page? A project where this came in handy was a multi-page learning module.
Continue readingFlash video has several advantages over other formats, especially the fact that the Flash plugin comes pre-installed on most browsers. For this reason I’ve been looking at using streaming Flash video in sites which must support a wide variety of browsers and platforms.
Continue readingWhen building web applications I often use display styles to show or hide divs or table rows as needed. On one project, I found that the “colspan” property did not seem to work in Firefox or Safari. This was because I had incorrectly used display:block to style the TR element, instead of display:table-row. A demo is below, and the code follows.
Continue readingWhile working on a php insert-record form I was getting the error: #1062 – Duplicate entry ‘127’ for key 1 although there were no other records with the id “127” – just the latest one.
Continue readingThese 2 widgets allow your users to alter the speed (in frames per second) of the Captivate presentation they are viewing. To use them, go to the first slide you want the widget to appear
Continue readingIn IE 6, the border of a block element will cover up a contained item which should appear on top of it, even if the z-index of the contained item is set higher than the
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Recently, my webhost enabled phpsuexec on the server, and several of the web applications on my site stopped working. Movabletype began rebuilding pages with the wrong permissions, so browsing an affected page would generate a
Continue readingI run a wiki for my ParrotCichlid.com fish fancier’s site, based on “MediaWiki.” It had been running fine, except for an increasing problem with spam, but one day it simply stopped working. Browsing to the site would result in the following error message:
Continue readingToo many redirects occurred trying to open “http://parrotcichlid.com/book/index.php/Main_Page”. This might occur if you open a page that is redirected to open another page which then is redirected to open the original page.
