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

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Archive for December 12th, 2019

Borland’s legendary development tools…

Posted by jpluimers on 2019/12/12

From [WayBack] Borland’s legendary development tools Do you remember Turbo Languages from Borland? There are Pascal, C, Assembler, Basic, Prolog and many other produc… – Jaroslav Beran – Google+:

Borland’s legendary development tools

Do you remember Turbo Languages from Borland? There are Pascal, C, Assembler, Basic, Prolog and many other products. Here there is link to directory containing original documentation of many these products:

http://bitsavers.informatik.uni-stuttgart.de/pdf/borland/

Did you work with some of them? Which one was your favorite?

[WayBack] Bitsavers Index of /pdf/borland:

[ICO] Name Last modified Size Description
[DIR] Ads/ 2011-09-01 20:47 –
[ ] BRIEF_for_DOS_and_OS2_Version_3.1_Users_Guide_1992.pdf 2009-06-30 22:57 8.9M
[ ] Borland_Brochure_1987.pdf 2009-11-05 02:18 2.1M
[ ] Borland_Turbo_BASIC_Owners_Handbook_1987.pdf 2009-07-30 05:33 15M
[ ] Eureka_The_Solver_Owners_Handbook_1987.pdf 2011-03-20 23:56 8.5M
[ ] Superkey_Owners_Handbook_1986.pdf 2011-02-04 02:01 7.1M
[ ] Turbo_Languages_Brochure_1988.pdf 2011-01-25 04:26 4.0M
[ ] Turbo_Vision_Version_2.0_Programming_Guide_1992.pdf 2010-06-18 19:07 25M
[ ] Windows_API_Guide_Reference_Volume_1_1991.pdf 2009-07-01 03:16 28M
[ ] Windows_API_Guide_Reference_Volume_2_1991.pdf 2009-07-01 03:16 8.7M
[ ] Windows_API_Guide_Reference_Volume_3_1992.pdf 2009-07-01 03:17 24M
[DIR] borland_C++/ 2013-01-17 00:07 –
[DIR] objectvision/ 2011-06-06 23:47 –
[DIR] paradox/ 2011-06-06 23:43 –
[DIR] quatro/ 2014-12-11 03:04 –
[DIR] quatro_pro/ 2011-06-06 23:47 –
[DIR] reflex/ 2011-06-06 23:37 –
[DIR] sidekick/ 2011-06-06 23:38 –
[DIR] sprint/ 2011-06-06 23:42 –
[DIR] turbo_assembler/ 2013-01-17 00:07 –
[DIR] turbo_c/ 2011-06-06 23:37 –
[DIR] turbo_pascal/ 2011-09-01 19:23 –
[DIR] turbo_prolog/ 2011-06-06 23:43 –

Via: [WayBack] Borland’s legendary development tools Do you remember Turbo Languages from Borland? There are Pascal, C, Assembler, Basic, Prolog and many other produc… – Adrian Marius Popa – Google+

–jeroen

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Posted in Development, History, Pascal, Software Development, Turbo Pascal | Leave a Comment »

Every programmer should read this at their own pace: From design patterns to category theory

Posted by jpluimers on 2019/12/12

Slowly but steadily, I’m now ready to continue reading [WayBack] From design patterns to category theory.

I found it two years ago after stumbling into [WayBack] Semigroups accumulate and [WayBack] Monoids accumulate. Both articles indicate they are part of two distinct series: [WayBack] Semigroups and [WayBack] Monoids which both in turn indicate the same super-series: [WayBack] Monoids, semigroups, and friends.

That intrigued me, as from a casual interest in Semigroups I got into a really structured coverage of many related topics leading all the way to design patterns. How cool is that!

Back than, I lacked some of the vocabulary I needed to fully grasp this, as part of the posts use the functional programming perspective which – for geeks like me that grew up in the procedural, object-oriented, and interface-polymorphism eras – takes some time to wrap their head around.

I did learn a thing or two back then, for instance the series taught me that some semigroups are not monoids. The diagram on the right shows how the various groups are related. But I could not replicate that knowledge, clearly lacking the words to explain it to myself.

What I really liked is the humble way in which the author – Mark Seeman – indicated that when he first thought about these topics himself, he too had still a lot of things to learn, including acquiring the vocabulary:

My first attempt at answering these questions was in 2010, but while I had the experience that certain abstractions composed better than others, I lacked the vocabulary. I’ve been wanting to write a better treatment of the topic ever since, but I’ve been constantly learning as I’ve grappled with the concepts.

Like me, he is on a life long quest in learning new things every day.

Now that I’ve done more functional programming (mainly from object-oriented code bases), I think I’m more equipped to digest his writings, better understand them and maybe even explain them.

By now there also should be more topics than these ones:

Time to do some reading over the next weeks…

–jeroen

Posted in Design Patterns, Development, Software Development | Leave a Comment »

Delphi ^A syntax: Documented, implied, or undocumented? – Stack Overflow

Posted by jpluimers on 2019/12/12

The syntax is documented. In the Turbo Pasal 3 documentation, i.e. the Z80 era.

Source my answer to [WayBack] Delphi ^A syntax: Documented, implied, or undocumented? – Stack Overflow (I have added some WayBack Internet Archive links below) as it is from the Turbo Pascal era where the caret was introduced to support control characters:

This is from long ago as an escape character to enable you to have consts for control characters in a more readable way.
const
  CtrlC = ^C;
begin
  Write(Ord(CtrlC));
end.

This defines a Char constant with value #3, then writes 3 in Borland Pascal 7, and I remember seeing it years before that too.

I just checked the Turbo Pascal 5.0 and Borland Pascal 7.0 languages guides, but could not find it, so it seems undocumented.

Edit: I do remember this was a Borland thing, and just [WayBack] checked: it is not part of the ISO Pascal standard (formerly this was ANSI Pascal Standard, thanks Sertac for noticing this).

It [WayBack] is documented in the Free Pascal documentation [WayBack].

SGI uses the backslash as escape character, as per their docs [WayBack].

More Edit: I found it [WayBack] documented in Delphi in a Nutshell and the [WayBack] Delphi Basics site.

Found it: Just found it on page 37 of the Turbo Pascal 3 Reference Manual [WayBack].

(Marco van de Voort found the Free Pascal documentation)

It in fact originates in the 1984 Turbo Pascal 1 edition, as per the [WayBack] Turbo_Pascal_Reference_Manual_Feb84.pdf:

Read the rest of this entry »

Posted in Borland Pascal, Delphi, Development, FreePascal, History, Pascal, Software Development, Turbo Pascal, Z80 | 1 Comment »

 
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