March 2005 – Page 3 – SwitchBL8’s gebazel

NexusDB V2 beta 7

Mar 162005

Wowsers. I was going to download beta 6 of NexusDB V2 to use it as the database for O.M.O. (Oefenen met Omrekeningen, Dutch for “Practice with Conversions”) and got errors about files not existing on the NexusDB-server. I checked their newsgroup, to find they just released beta 7. Here are the links:

NexusDB V2 – beta 7 for:

Delphi 2005
Delphi 7
Delphi 6
Delphi 5
C++Builder 6
nxServer.zip
nxEnterpriseManager.zip

Since it’s a beta: don’t use it in production. But O.M.O. is just an internal thingy for the moment, so I guess that’s okay.

What do I want to see?

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Mar 152005

The new breed of bloggers don’t get it. I see a lot of new blogs emerging, mostly from big companies where blogging is becoming a marketing strategy, with an initial blogging asking “what do you want to see in my blog?”. DUH! People won’t come to your blog if you write what they want. And having your blog on the aggregated page of your company doesn’t automatically mean you have something to say to us. It just means you started a blog. Think of something. If you’re not a writer, then don’t start a blog. Or do some research. Actually read a few blogs of your colleagues. Or from your competitors. Or some personal blogs. Then decide what to write, but don’t ask. Scoble doesn’t ask, he just does, and we all like it.

O.M.O.

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Mar 152005

Today (well, actually yesterday) I started programming on a little application to practice calculations like:

0,1 m = … cm
100 cm3 = … dm3

The basic checking routine is there, now I need to create some sort of database that stores “unit1”, “unit2” and the “factor”, e.q. “m”, “cm”, “100”. I could make it very flexible by storing the factors for m(illi), c(enti), d(eci), M(ega), G(iga), but that would also mean some sort of stringmanipulation. The way I choose is flexible enough without loosing its simplicity. Also, I can now have “dozen”, “pieces”, “12” as a record.

ImageGrabber – threading

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Mar 142005

Not much progress on the ImageGrabber. I created the framework for the threading in a seperate unit, but the actual threading is not implemented. The code for the functions/procedures in the Thread-unit are already in the mainunit, so that’s just a matter of copy&paste.

But I’m tired (hey, I just had a Sunday!) and I’m off to bed now.

Delphi2005 – update 2

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Mar 122005

Borland sure is in touch with it’s customers: Delphi2005 update 2 is released, a little over a month after update 1 (25-1 and 9-3). But we delivered you D2005 fast, and we give you the updates even faster, so you’re happy now, aren’t you, dear customer?

Testrun ImageGrabber

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Mar 102005

A gallery of 360 images, a total of 37.1MBytes, downloaded in 23.5 minutes. That’s about 1,6MByte/min, and a little under 4 seconds/image. I think that’s not too bad considering the sites providing these galleries are very busy.

Apache2 -> JK -> Tomcat serving Laszlo

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Mar 102005

It took me some time, but it finally works. Apache2 (running on port 80) serving Laszlo-content from the LPS (actually Tomcat 5.0.24) via mod_jk.

You need to install Laszlo (the complete version with Tomcat, not just the core version). Then you need to “install” mod_jk, which is basically downloading mod_jk.so and placing it in the modules directory of Apache2. Next you need to modify httpd.conf to load mod_jk. And you need to create a workers.properties so that mod_jk knows how to connect to Tomcat. The more undocumented (that’s why it took me so long) thing is that you need to modify Tomcat’s server.xml to include the following line:

<Connector port="8009" enableLookups="false" redirectPort="8443" debug="0" protocol="AJP/1.3" />

IDE4Laszlo

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Mar 092005

If you like what you saw on the Laszlo site, then be sure to check out IDE4Laszlo, an Eclipse-based IDE specifically for Laszlo.

Laszlo

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Mar 092005

Oliver Steele (I like the skin of his weblog!) has a very nice article about webapplications, dealing about how you should switch from server-side webapplications to client-side webapplications, thereby enabling a more rich experience on the client-side and reducing the load on the server-side (amongst other things).

One of the frameworks to create such a rich client-side applications he mentions, is Laszlo. This is an impressive piece of work. Try some of their demos. I had to reposition my jaw manually, since this gui-experience is mostly only achieved in native applications or in applications that require a huge install of libraries or components on the client-side. Laszlo does not. It requires that you have (Macromedia) Flashplayer 5 or higher and have Javascript enabled in your browser. Technically it caches about 200K on your PC, but that’s it.
While you are there, click on the link that brings you to Laszlo Mail and have a look at the screenshots. Yes, this is a webapplication.

Why do I tell you about yet another web-application framework? Well, on the one hand, you don’t need anything new on your clients. On the other hand, this is a Free and Open Sourced product.

Mantis

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Mar 082005

I have installed Mantis 0.19.2 as my issue/bug-tracker, and sofar I like it. Simple, fast and with more features than I will ever use.

Of course I will keep you updated on how (or “if”) I like it.

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