JavaPolis07-2

Perşembe gününün bir diğer güzel sunumunu “Offline Web apps with Google Gears” ile Dion Almaer yaptı. Dion tıfıl ama bir o kadar da sempatik bir çocuk ve de yaptıklarından anlaşılan yetenekli bir yazılımcı. Dion sözlerine “Almaer” soyadının ve kendi ailesinin köklerinin 2. Dünya Savaşı’nda Belçika’ya kadar uzandığını geçenlerde onunla bağlantı kuran bir Belçika’lıdan öğrendiğini, bu […]

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JavaPolis07-1

Bir sene aradan sonra tekrar Belçika’da düzenlenen Javapolis’07 konferansına katıldım. Bu sene biraz daha erken orada olup konferans öncesi Brüksel’de dolaşmak istedim. Şimdiye kadar sadece mesajlardan birbirimizi tanıdığımız, bir süredir orada çalışan ve turkishcontractors google grubunun kurucusu Mesut Çelik’i ziyaret etme fırsatı buldum. Mesut ile Pazar günü Brüksel’de bulutuk, kısa bir şehir turundan sonra bir […]

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Expect the Unexpected

Yes, most of the time you should expect to find out the root causes of performance degredations in your system somewhere else other than your first guess.We have again experienced this rule during previous days. For some period, there was an obvious slowness in our web applications while our web requests were being processed in […]

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Context Sharing Between Applet and Web Application

In our project we need to provide some supporting GIS functionality via an Applet GUI to our web based CRUD operations. Users, for example, may populate search criteria, entering input both from web interface, like name pattern, date range etc., and from Applet GUI, like selecting a specific region in a map, and then execute […]

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Providing Tooltip Help Messages Dynamically Using Ajax Functionality

This is actually part of context sensitive help requirements in our web application project. We should be able to provide small informative messages for html components displaying them as tooltips in our web pages when user moves mouse over those components. It is also in the requirements that continiously appearing tooltip message windows in those […]

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Styling HTML Input File Elements

It is almost impossible to make html input file elements look the same as the other parts of web applications. Browsers provide few possibilites to style them or nothing at all. However, within the newer versions of browsers, you might apply some tricks to alleviate this common styling problem, and one neat way, explaining how […]

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Switching Application Required System Properties According to Deployment Environment

Any serious application depends on a number of configuration properties, such as JDBC connection properties, caching properties etc. They should change according to target deployment environment. People employ different methods to take those properties outside their web applications. Among them, one commonly used method is to create a properties file and collect any property, whose […]

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Managing Dependencies With Ant

Every non-trivial java application have many dependencies on other resources, especially jar files. We have to keep track of which jars we are making use of, and their versions as the project develops. Systems may have several releases during their development life cycle, and among those releases, dependency lists may change, new jars may be […]

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Cactus XOR Mocks or Cactus AND Mocks?

We employ both Spring and Hibernate to implement business and data access layers in our current project. Our aim is to bring clear separation between those two layers. The beans in business layer act as service entry points.They realize simply our use case scenarios. They are also good candidates as start and end points for […]

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