Posted by admin on March 30, 2008
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 [...]
Posted by admin on March 20, 2008
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 [...]
Posted by admin on March 20, 2008
Today, I have come across a technical issue that a process is taking too long to download a file from one of our file server. The reason is due to the number of the files of a folder is increased over time and finally reach to ~ 12000. If you use ftp, you need to [...]
Posted by admin on March 13, 2008
Need of Indexes Image of you have a table of user info, if the table contains 50 million of rows. Without index, running a query like below will need a full table scan. Clearly it is not efficient as it is O(n) problem. SELECT * FROM user_info WHERE last_name = “Tom” But if we index [...]
Posted by admin on March 3, 2008
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 [...]