Handling NULL values in PowerBuilder

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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.

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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.

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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 […]

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This is just a study between 2 version of xwiki, to see on single page what were the changes.  All the information regarding the xwiki releases were taken from their official website. Xwiki1.8 features: choose new page syntax from a visual element in the interface when editing a page. Before this version the xwiki 2.0 […]

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Sometimes you wish to print the information contained in a Lotus Notes document. Lotus Notes offers such printing options, but if you have layout issues one solution would be to export into an word document. You can create an word document in Lotus Script using CreateObject(“Word.Application”) function. It only works on your computer if you […]

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Version 1.6.5 of File Tracking Client was released containing bug fixes that are meant to smooth up the whole application. First of all the windows and dialogs were fixed so if they are rescaled, all their inner components change their size correspondingly. This creates a smooth look and feel on both Windows and Linux platforms […]

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PostgreSQL recently added several great new features like Common Table Expressions (CTE), Recursive CTEs, Windowing Functions (my favorite) and Parallel restoring of dumps. The goal of this article is to provide an overview of the new PostgreSQL Windowing Functions. Previously limited to enterprise databases such as Oracle and DB2, they open up a completely new […]

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During the last week, the Ropardo Web Development Team has been working on a web portal based on the open sourced content management system WordPress. I was given the task to create a new template for the new website which would eventually be populated with diverse information, ranging from static facts to fast changing local […]

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Convert an array to object (recursively) in PHP.

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Every MS SQL Server database consists of at least two physical operating system files and these files are specified when a database is created or altered. One and possibly more (secondary files) are used for the data (as well as indexes and allocation pages) and one for the transaction log.

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