Under some circumstances, filtering a Datatable using its Select method may result in throwing following exception: “Min (some value) must be less than or equal to Max (-1) in a Range object.”
In many web applications at some point a programmer meets the need to make an archive of a/some document(s) and offer this archive for download. The main JAVA utilities for executing this archiving task are inside package java.util.zip. These classes implement an output stream filter for writing files in the ZIP file format. They include […]
This article describes a way to insert multiple rows into a Devexpres WinForm XtraGrid footer. First step is to add a XtraGrid into your WinForm and set to true it’s ShowFooter property. Once the footer it’s visible you can add cells into it using the GUI or programmatically. Code for adding cells into footer look […]
If you want to add a feature in XWiki, something that you cannot already find implemented in XWiki code zone, you should go to the core of this platform. Implementing something new, means interacting , adding new elements to XWiki sources. It means configuring the wiki to recognize your new features and then creating a […]
In a previous article I wrote on how to work with Lotus Notes ListBox fields. Unfortunately these type of fields have a major drawback, their limit of only 32 kb of text. So if you want to display thousands of entries you must use an embedded view. This is an small example of using an […]
Context: – JBoss 5.1.0GA – Oracle9i Problem: During a long processing transaction, the ORA-02049 exception was thrown. Solution: According with metalink note 789517.1
TYPO3 is a free and open source content management system as well as a Model–view–controller (MVC) Web Application Development framework written in PHP. It is released under the GNU General Public License and it can run on Apache or IIS on top of Linux, Microsoft Windows, OS/2 or Mac OS X.
When it comes to NULL values, PowerBuilder treats them a little different than other languages. Not only that, when null is added, compared to or concatenated with any variable the entire result will become null, but also when given a null parameter most PowerBuilder functions will simply return NULL and perform no action.
A problem that many web developers face when they switch from Microsoft Windows to an open source operating system (Ubuntu, Fedora, Archlinux, OpenSUSE, Mandriva, Debian, BSD etc.) is the imposibility of running tests on Internet Explorer, since IE is officially suported only on Windows.
PHPList is another example of an open source powered software that has all the required features of a complete newsletter manager. Build and maintained by Tincan Ltd., PHPList has reached over 300.000 downloads so far and is the perfect solution for a dozen companies when it comes to personalised mailing list or customer relations management […]