About Me
I'm a contract Java developer working in Melbourne for the past 10+ years.
More recently I created onmydoorstep.com.au, a place to find out more about where you live in Australia.
I'm also active in the open-source community with several projects ongoing.
Follow @richard_nichols
Also on Github.
Tag Archives: guides
Implementing security in Wicket with visural-wicket
Wicket has a nice mechanism for plugging in security whereby all components (including pages) have three cross-cutting hooks which can be validated by a security rule – Instantiation Render Enable You can build your own security framework using the IAuthorizationStrategy interface … Continue reading
Posted in Java, Software Engineering, Wicket
Tagged guides, open-source, visural-wicket, wicket
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Face Detection in Java – Haar Cascade with JJIL (how-to)
A requirement came up on a recent project to automatically crop displayed profile images of people to just the “face” area for a thumbnail. This seems like a job for a face detection algorithm. Searching for appropriate open-source Java implementations … Continue reading
Implementing a “Draft Mode” with Apache Wicket Forms
A question came up on wicket-users recently about whether it’s possible to implement a form in Wicket whereby you can bypass the validation temporarily so that users could save prior to submitting the form. Think something along the lines of … Continue reading
Setting Up Memcached As A Windows Service
Memcached is an in-memory, distributed key-value store for random pieces of application data. It is useful for clustering and distributed caching and it (and similar tools) are becoming an increasingly common feature of large Web-based apps. I don’t like Windows … Continue reading
