Recently, I am trying to build an interactive reporting tool that needs to deal with lots of data. The data is not dynamic because it is basically data from historical performance log files. However, the volume of the data is large (over few millions of rows) and I still want my clients to interact with [...]

Magic behind the scene I always wonder how my Flex application displayed on the Flash Player in browser. Why decompile Flex SWF will give me 2 frames movie? What is SystemManager and how can I get a handle of it? Many of these kind of questions are at the lower level. The level that makes [...]

Recently, I want to extend the LineChart in Flex. I want to have line chart with event annotated like Google Finance.   First of all, I googled the Net to see whether anyone had already done it. It was even better if I could find any open source project related to this. Below are the [...]

Power of BlazeDS Recently, I found out that Adobe has released BlazeDS (subset of LiveCycleDS) that has 4 main advantages: AS3 to Java object communication (no XML passes back and forth is needed!) Boost up performance b/c AMF is a binary protocol Built-in proxy support that gets around the cross domain security issue from Flex [...]

Get started Follow the steps below to get your first Flex salesforce app up in Salesforce. Register a developer edition account from Salesforce. Note: Dev account never expires but the account does come with a few limitations. You can only have two users, one an admin account so that you can build and install applications [...]

When you come to the world of offline/disconnected application, you will hear the new buzzwords – AIR and Gear. Before I talked about these technologies, I want to talk about what problem we are trying to solve first. What we need an application to be able to function offline? First, Internet access is not everywhere. [...]

Open up FDS? Adobe announced that it will open source the strip down version of LiveCycle Data Service called BlazeDS. From what I heard, BlazeDS provides AMF3 remoting without data management and its data push solution is not so scalable as LCDS. (features comparsion chart). The reason is that BlazeDB still uses the blocking IO [...]

E4X is similar to XPath that is used to manipulate the structural xml in a scripting language. Here are some examples: Delete node from XML <root> <level> <detail></detail> </level> <level> <detail></detail> </level> </root> I want to make a copy of this XML (could be either of the three types of XML objects) and remove the [...]

Since I am leading the reporting team in Adconion, I would like to spend sometime on the new component “Advanced Data Grid” from Flex 3. Being excited to know that this component has added many cool features on top of the DataGrid, I would like to find out whether it meets all my needs. Before [...]

Introduction  The SharedObject class functions like a browser cookie. You use the class to store data on the user’s local hard drive and call that data during the same session or in a later session. Below are the keys of using SharedObject: Applications can only access their own SharedObject data, and only if they are [...]