The Wiert Corner – irregular stream of stuff

Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

  • My badges

  • Twitter Updates

  • My Flickr Stream

  • Pages

  • All categories

  • Enter your email address to subscribe to this blog and receive notifications of new posts by email.

    Join 4,182 other subscribers

Posts Tagged ‘delphi 5’

Please write dates and times so that everyone understands them, not just you. xkcd: ISO 8601

Posted by jpluimers on 2013/02/28

ISO 8601 was published on 06 05 88 and most recently amended on 12 01 04

ISO 8601 was published on 06 05 88 and most recently amended on 12 01 04

Boy, am I glad with the xkcd: ISO 8601 post and image on the right.

One reason:

Please write dates and times so that everyone understands them, not just you.

The alt-text of the comic is hilarious (ISO 8601 was published on 06 05 88 and most recently amended on 12 01 04) showing the confusion of using 2 digit years not knowing which field means which (I thin XKCD author Randall Munroe and Mathematics of the ISO calendar got some of the dates, see PDF search dates below).

I found out in the mid 1980s that people I was communicating with internationally (back then the internet was forming and you already had BITNET Relay chat and email) were using different date formats than I did.

Ever since that, I’ve used the YYYY-MM-DD format of writing dates, encouraging others to use as well and as soon as I found out that was a standard, started to evangelize ISO 8601 (there is an ISO 8601 category on my blog), which – at the time of writing this – had had revisions in 1998 (on 1998-06-15), 2000 (on 2000-12-15) and 2004 (on 2004-12-01).

A lot later I found out that back in 1971, this date format was a recommendation, and in 1976 already a standard. Not nearly as old as Esperanto though (:

Speaking about languages:

At the end of last century, after Delphi 5 added year 2000 support (which made the 16-bit Delphi 1 disappear from the box as the effort to prove the product including all libraries was year 2000 proof), Delphi went cross platform.

The Delphi team working on both Kylix 1 and Delphi 6, the also added a DateUtils unit which provides a lot of cuntionality, including support for weak numbers. The first test version always assumed week 1 was the one with januari first in it. As ISO 8601 also indicates how the first week of a year should be determined, a couple of people (Jeroen W. Pluimers, Glenn Crouch, Rune Moberg and  Ray Lischner) provided code that fixed this and a few other things in the unit. We even got mentioned by Cary Jensen!

That code is now also part of the RemObjects ShineOn library. That DateUtils unit is now on GitHub.
A Delphi XE version of the code (and a Delphi 2007 one) are now at NickDemoCode (Thanks Nick Hodges!).

Delphi is not the only environment having ISO 8601 support. XML has, .NET has, etc: it is now wide spread.
So follow your tools, and start using it yourself as well (:

Too bad the ISO 8601 standard text is not available publicly:

I remember the Y2K preparation era where the ISO-8601 standard was freely available at, soon after the Year 2000, the PDF got locked behind a payment engine.
ISO suffers from heavy link rot too, for instance the ISO 3166 country codes used to be at, but are now at What about HTTP 303 or 302 redirect here guys?

Luckily people keep cached copies:

  1. “ISO 8601” “First edition” “1988-06-15” filetype:pdf
  2. “ISO 8601” “Second edition” “2000-12-15” filetype:pdf
  3. “ISO 8601” “Third edition” “2004-12-01” filetype:pdf


via: xkcd: ISO 8601.

Posted in .NET, Delphi, Delphi 2005, Delphi 2006, Delphi 2007, Delphi 2009, Delphi 2010, Delphi 6, Delphi 7, Delphi 8, Delphi x64, Delphi XE, Delphi XE2, Delphi XE3, Development, ISO 8601, Power User, Prism, Software Development | Tagged: , , , , , , , , , , , , , | 10 Comments »

ModelMaker Code Explorer 10.0.0: Delphi XE3 compatible, Locate Type and Empty Parameter Lists with ()

Posted by jpluimers on 2012/09/10

Last week, ModelMaker Code Explorer 10.0.0 got released:

General new features

  • Delphi XE3 / RAD Studio XE3 support
    (as well as support from Delphi 5 and up)
  • Member Search list allows filtering on member type. Todo items are also displayed.
  • Pascal, new option on tab MMX | Properties | Pascal | New Entities | Methods: Empty Parameter lists. This controls how empty method, procedure and delegate parameter lists are emitted: either suppressed – pascal style, or emitted as ( ) – c-style.
  • Locate Type: displays a filtered list of previously parsed class and interface types. This is used to open the containing source file and locate a class inside the file. Default key binding Alt+Shift+T.

Solved bugs

  • Text containing line breaks and stored in XML (settings, snippets) could contain stray 0x0B (#11) characters. Solved.
  • An access violation at shutdown could occur in older Delphi IDEs if MMX was not docked. Solved.
  • If the Delphi IDE editor buffer contains a stray #0 (which is bad in itself) would cause all kinds of exception in MMX. MMX now detects stray #0’s and abort all editing operations, displaying the line:column of the bad #0 character.
  • Pascal: relative paths starting with \ (relative to root in drive) would not be handled correct. Solved


via: ModelMaker Code Explorer 10.0.0.

Posted in Delphi, Delphi 2007, Delphi 2009, Delphi 2010, Delphi 5, Delphi 6, Delphi 7, Delphi XE, Delphi XE2, Delphi XE3, Development, Software Development | Tagged: , , , , , , , , , , , , , , , , , , | 2 Comments »

%d bloggers like this: