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Thoughts from David Cornelius

The Broader Picture

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When I was in college heading for a degree in Computer Science, I wondered why I needed History or Psychology or English or Art. Hadn't I had enough of that in high school? Why couldn't I just take fun stuff like Assembly Language or Advanced Data Structures? My parents tried to tell me about well-rounded education, how important professional communication is, and the benefits of knowing about the world around me, but it was hard for me to put much more than the minimal effort required to get the grades in those "non-essential" classes.

Delphi Developer Dilemma

I've used Pascal-based compilers for a long time. Similar to many others like me, I started with Turbo Pascal 3 in the 80s, embraced object-oriented extensions in Borland Pascal, attempted to understand OWL but quickly moved to Delphi when it was released, and now churn out blazing database applications on the latest Windows operating systems using internet technologies, advanced reporting tools, and multiple third-party component sets. Sure, I've dabbled in other languages such as C/C++, Visual Basic, .NET with C#, and some scripting languages, but Delphi has been the bulk of my experience for the past 17 years or so.

Simple PHP Web App in HTML5 Builder

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The first application I'll create will be similar to sample ones I had tried in RadPHP. They were simple PHP tutorials and they worked--somewhat. I had some issues, but don't remember whether it was getting all the right libraries in the right place or whether it worked from some locations or browsers or what. In any case, I'm hoping HTML5 Builder will make the process a little smoother.

Installing HTML5 Builder

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It's been a year since my last blog entry and while I've been busy writing Windows applications with Delphi, I've kept an eye on web technologies. I've done some PHP in the past and had purchased RadPHP XE but didn't upgrade to the XE2 version because there were practically no new features and the documentation, which was pitiful, was not improved one bit--in fact it was still labeled XE!

Web Service Timeouts

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While working on a project accessing a slow web service, I found myself needing to extend the timeout of the HTTPRIO component. The web service, when executed straight from a browser, would happily take as long as it needed to before successfully completing. But my Delphi application was timing out.

Cloud Computing

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I have recently discovered Amazon's S3 and EC2 services and think they're pretty cool. Originally, I considered them my first foray into "cloud computing" but then realized I've been using Google's email service for quite a while. There's also the fact that I give software updates via my web site and I store backups off-site via FTP. Recently, I started saving some documents out to Microsoft's Live service, just to try it out.

Mega Update - Part 2

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In the last entry, I gave an overview of the large software update I delivered to a client, an update that should've been done incrementally over a period of several months. From database schema changes, to swapping out a reporting engine, to switching from ANSI to Unicode, I really bit off more than I could chew at once. But it's now working well and I'm once again sleeping at night!

This portion of the story deals with the database changes that were made, both the structure and the character set.

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