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Even solid well programmed applications crash from time to time. This might not be a huge problem most of the time but it can be one in specific situations.

One of the many misconceptions about file deletion is the fact that files can be recovered even if they are deleted on the computer system by the user. Deleting files normally moves them to the recycle bin from where they can be recovered easily

Webmasters have to make sure that the code of their website is excaping several characters correctly. Failure to do so can lead to all kinds of problems from display errors to functions that are not working correctly because of this (check out The XML Page Cannot Be Displayed article for an example of things that can happen if characters are not escaped properly). The relevant characters that need to be escaped are ', “, &, < and >

In March, Martin discussed QR codes , a form of 2D barcode that phone cameras can rapidly decode, with appropiate software (which can be found easily on Google). The practical uses are for phone numbers to be quickly entered or websites to be quickly launched; QR codes can feature in magazines, websites or on packaging, for example, to take users to related mobile websites. QR codes can also feature in much less conventional mediums, a few of which I will highlight.

Hundreds, if not thousands of websites exist that let users share files. These file sharing sites differ in several parameters including the allowed upload file size, number of downloads and bandwidth, account requirements, additional limitations like time limits and several others. Most do not offer unlimited bandwidth and those that do usually last not very long unless they add restrictions to their file hosting service

In the first entry to this “series” I worked through the process of creating a database with OpenOffice.org Base (” How to create a database with OpenOffice Base “.) Upon completion of that article you found yourself with a working database with no data.