Tom Hughes

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since Feb 09, 2002
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Recent posts by Tom Hughes

Cheers Nate. You know I've tried it at work and now it works for me too. Must be something wrong with my setup at home.
I notice that the image still gets corrupted when the applet scrolls on and off the web page (e.g. when I make my browser window real small & scroll around). It kind of rights itself when you click on where the applet should be. Is there a cure for this ?
thanks,
Tom
17 years ago
thanks for the suggestion, but I do that already.
Tom
17 years ago
Hi there,
I've created a little ImageViewer applet. I use simple ImagePanels that overide paintComponent and paints a picture. This works fine, except when I put it in a scroll pane. When the image scrolls, the image gets corrupted. I'm not 100% sure what is happening, I figure I need to call paint, repaint or revalidate at some point but not exactly sure.
An example is here
Please help !
thanks,
Tom
17 years ago
Nice topic. Some of your choices have now made their way onto my Christmas list !
My choices are The Great Gatsby (F. ScottFitzgerald) and 1984 (George Orwell). Two great novels that get better everytime I read them.
T.
17 years ago
Failed at the 1st and 2nd hurdles. My ISP web server is not jsp enabled. Also I can only upload files, not execute them, so I couldn't even run a java based db.
Guess I need a new ISP !!
T.
[ December 04, 2002: Message edited by: Tom Hughes ]
17 years ago
England aren't that bad my friends, one bad series does not a bad team make.
An even if all else fails, I still have sweet, sweet blind optimism to fall back on !
Looking forward to a great competition.
T.
17 years ago
thanks ! I'll give it a blast tonight and tell you how I get on.
Tom.
17 years ago
Hi there,
Seems to be no go with my ISP. Does anyone know of any ISPs that provide internet access ?
thanks,
Tom
17 years ago
I have contact them but no response as yet. There's nothing on their help page also.

Originally posted by Marilyn de Queiroz:
However, I think any database will have to be installed by your ISP.


If it was an NT server I could run MS Access without my ISP having to do anything (couldn't I?). I was hoping I could get some similar 'desktop' style db for Unix.
thanks,
Tom
17 years ago
Australia are *easily* the best team in the world - I'd be suprised if they don't win it. I'm still hoping England will win something, sometime, somewhere...
[ November 30, 2002: Message edited by: Tom Hughes ]
17 years ago
Hi there,
As a part usefull/part exploration home project I want to write some JSPs that query a database. I want to run the JSPs on the internet. My problem is that I'm not sure how to get a sql implementation working in my webspace (my ISP is BTOpenworld). I know 'heavyweight' sql implementations like Sybase and Oracle require system services installed which I cannot do. As my site is going to be simple and low volume I can use a 'lightweight' implementation.
So, does anyone know a sql implementation that will help me here ? (or some other advice). Something like MSAcess for Unix would work I think.
cheers,
Tom
17 years ago
Someone once told me that hashmap changed from using an open hashing (1.3) to a closed hashing strategy (1.4) - or maybe vice versa, my memory is a bit hazy !
Could this explain the change in performance ?
T.
17 years ago
Josh Bloch says this (see his must-read book Effective Java for more details) :
"The constant interface pattern is a poor use of interfaces. That a class uses some constants internally is an implementation detail. Implementing a constant interface causes this implementation detail to leak into the class’s exported API. It is of no consequence to the users of a class that the class implements a constant interface. In fact, it may even confuse them. Worse, it represents a commitment: if in a future release the class is modified so that it no longer needs to use the con-stants, it still must implement the interface to ensure binary compatibility. If a nonfinal class implements a constant interface, all of its subclasses will have their namespaces polluted by the constants in the interface."
he then goes on to suggest using a non-instantiable class instead. e.g :

I totally agree, on top the reasons above this way is much neater and makes more sense; how many times does the is-a (or behaves-as-a) test hold up when constant interfaces are used ? I've never seen it.
T.
[ November 13, 2002: Message edited by: Tom Hughes ]
17 years ago