(Lucas Jellema) The situation: in an ADF Faces 11g page, we have a popup with two buttons: one to start a download and one to cancel the popup. When the users presses the download button, a fileDownloadActionListener is activated, the corresponding server side method is invoked to start producing th
Other News
Task Cancellation
The fourteenth part of the Parallel Programming in .NET tutorial examines how parallel tasks are cancelled. This includes stopping single tasks, co-ordinating the cancellation of multiple tasks and dealing with tasks that are cancelled before they start.
Joins in MySQL
(Arjun Panwar) In a MySQL command, a join is used to select the data from two or more tables or views. In a join, we define multiple tables or views.
SQL Agent Error the CmdExec subsystem failed to load
(Rajendra Gupta) We’ve recently been migrating instances of SQL Server between different clusters in order to dismantle old clusters. To move the jobs and history we’ve been restoring the MSDB database from the old instance to the new one by performing a restore and we didn’t run into any problems .
The Cloud: Everything Old Is New Again
(Martin Hubel) This entry is an updated reprint of a post I made on the DB2 list server.
SQL Server 2008 – Database Backup Compression, Amazing feature for DBA
(Paresh Prajapati) Production Database servers may have databases which are heavily in size. For the maintenance of those database backups are very hard and lengthy as the backups of those heavily databases take more tome to execute and very CPU, memory and IO consumptive. And important thing is bac
XML Posts Without A UTF-8 Encoding May Lead To 400 Bad Request Errors
(Ben Nadel) Last week, Ryan Jeffords and I spent a solid hour debugging some API interactions between ColdFusion and Recurly. The API requests required the posting of XML content using CFHTTP and CFHTTPParam.
JDeveloper 11g R2 IDE Application Performance Caching and Compilation Failures
(Andrejus Baranovskis) If you are working with latest production release of JDeveloper IDE/ADF 11g R2 (11.1.2.1.0), you may face very strange issue related to ADF application compilation. JDeveloper may report that it can’t find previously deleted files (for example ADF BC components). Why it still
Enhanced conflict resolution with MySQL Cluster active-active replication
(Andrew Morgan) Part of the latest MySQL Cluster Development Milestone Release (MySQL Cluster 7.2.1 – select the “Development Release” tab at http://dev.mysql.com/downloads/cluster/#downloads) is a couple of enhancements to the conflict detection and resolution mechanism for active-active (multi-mas
.Net asynchrony in the UI context
(dmihailescu) Most of code we still write today is synchronous, but sometimes having multithreaded applications is unavoidable. Today’s platforms (software frameworks and mostly hardware), have improved in order to accommodate this growing need.