Some Little News

UPDATE: sito ufficiale
Di recente per il corso di Tecnica delle Costruzioni mi è toccato rappresentare più volte i grafici di Momento Flettente e teglio per la trave continua; farne più combinazioni di carico ed infine l’inviluppo…
Fortunatamente esiste il software MomCad che permette di creare il grafico in automatico dati i carichi e le luci. Sfortunatamente [...]

Google Maps API offer a lot of possibilities, especially with the new Javascript V3 API. Part of this are the so called services: geocoding, directions, elevation and places.
Elevation service allows you to get the elevation of a place given the coordinates or the place address. To use it within your google maps code, you just [...]

Adobe® Flash® Builder™ 4 (formerly Adobe Flex® Builder™) finally shipped on March 22nd.
This software is designed to help software developers rapidly develop cross-platform rich Internet applications (RIAs) and content using the open source Flex framework. It includes support for intelligent coding, debugging, and visual design and features powerful testing tools [...]

Using a custom Item Renderer for the Spark List you will still see the default selection and hover color in background, even if your component doesn’t have a background (I noticed that using a rounded rect)! Well, to avoid that just set the autoDrawBackground property to flase in your Item Renderer as shown:

<s:ItemRenderer xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark" [...]

If you have already experienced Flash Builder 4 beta 2, you have probably noticed the new Data/Services feature on wich Adobe has put a lot of efforts. Using its wizard it is straightforward how to connect to a database, but there is someting more, at least something I just discovered recently: the data management.
In brief, [...]

In this previous tutorial I simply showed how to create a service in Flex and how to use it to create something in the database. Now we’ll use the service to get al the items in the database and to populate a DataGrid.
So, let’s open the project and create a DataGrid:
not difficult hu? Okay and [...]

PART I – Creation of the database, connection to the database, creation of items in the database
In this tutorial I will create a simple application to show you how to connect to a database in Flex 4 using the Data/Services functionality and PHP. FinallyI will also show you how to export data into an xls [...]

Have you ever thought about this possibility? Well this is it: as3xls is a cool library that enables you to import and export xls and CSV files. It can be extremely useful to your needs!
Here some little tutorials.
Here the examples (google code link is broken!).
And here and other version of the same lib, but in [...]

Let’s say you have lots of values you want to display in different DropDownLists, putting them all together would be such a mess, especially if they are a lot. So, if there is some knid of linking between these values, you could try to use this simple example to filter them, source here:

This example shows [...]

Articolo originale in inglese.
Qualche giorno fa sono diventato matto cercando di formattare del semplice testo in una RichEditableText in Flex 4. Questo perchè nella nuova versione Adobe sta cambiando profondamente il modo di rappresentare gli elementi di testo:
“The Spark architecture provides three text “primitives” — Label, RichText, and RichEditableText — as part of its pay-only-for-what-you-need [...]