http://onemarco.com Web development in the age of Web 2.0 Tue, 02 Feb 2010 23:28:08 +0000 http://backend.userland.com/rss092 en Date pickers have become ubiquitous user interface elements in online forms. If you do not know what date pickers are, they are those interactive calendars that pop up to assist you when selecting a date. They are not useful in all situations, like when you already know the date you ... http://onemarco.com/2008/12/13/improving-the-date-picker-user-interface-ui/ Callback functions are used in JavaScript (JS) extensively. They are required for AJAX/XHR, event handling, and in popular JS libraries. However, passing around functions as arguments can cause headaches, especially for beginner JS programmers. Problems with binding/this One of the biggest problems with passing functions as callbacks is this and what it refers to. ... http://onemarco.com/2008/11/12/callbacks-and-binding-and-callback-arguments-and-references/ This past weekend I participated in Startup Weekend Houston. For some reason I ended up in the UI design group, even though my specialty is front-end web-dev. I had a blast though, working with the UI team, Matt Alberty, Marcus Mateus, and Ramesh Bhaskar. Two and a ... http://onemarco.com/2007/10/01/startup-weekend-houston/ In the spirit of consistency, I decided to add a shadow to the tooltips (View the example). They just didn't blend in with the rest of the Google Maps overlays. So I set out to replicate the "standard" Google Maps shadows. Replicating the Shadow Through a mix of reasoning, instinctive ... http://onemarco.com/2007/08/06/the-tooltip-gets-a-shadow-and-dom-node-support/ I was recently checking my site traffic reports to see where my visitors were coming from and I found a mind-blowing (at least for me) CSS technique for visited links. Eva-Lotta Lam uses a check mark background image for visited links rather than simply changing the text color. ... http://onemarco.com/2007/06/06/better-visited-links/ I've been working more and more with the Google Maps API recently. And one thing strikes me as odd; it's difficult to find examples of how to retrieve geocodes for addresses. If you're going to implement the API in a website, you usually have to take multiple addresses ... http://onemarco.com/2007/06/03/geocoding-with-the-google-maps-api/ Welcome to my JavaScript blog, onemarco.com, or as I like to call it, Blog de Alionso. I've been developing with JavaScript for about six months now and I've learned so much from others' blogs. I'll be sharing some of the scripts I've developed recently, in the hopes that my experience ... http://onemarco.com/2007/05/16/custom-tooltips-for-google-maps/