Posted by jpluimers on 2015/10/13
So I won’t forget:
Even though this does not work on most USA T-Shirt sites, it works on this Dutch one: T-Shirt Ontwerpen – t-shirt zelf ontwerpen | Spreadshirt.
–jeroen
PS:
PRIVATE USE CHARACTER-F0FE is not a checkbox ☐ is.
Posted in ASCII, Development, Encoding, Software Development, Unicode | Leave a Comment »
Posted by jpluimers on 2015/07/15
Thanks [Wayback] Jørn Einar Angeltveit for sharing this a while ago:
A session by Jon Skeet and Tony the Pony (which has strong teeth) presented during the Polish DevDay 2013 in Kraków, Poland.
[Wayback] +Jon Skeet’s speech [Wayback] “Back to basics” is really a good watch.
In a funny way, he explains why the simplest fundamentals of computer software text, dates and numbers can cause some real headache for the programmer…
In case you didn’t know: Jon Skeet is “Chuck Norris” on [Wayback] stackoverflow.com:
The subtitle is “the mess we’ve made of our fundamental data types”.
Some of the topics covered:
Posted in .NET, C#, Conference Topics, Conferences, Delphi, Development, Encoding, Event, internatiolanization (i18n) and localization (l10), Java, Java Platform, Jon Skeet, Pascal, Scripting, Software Development, Unicode | 2 Comments »
Posted by jpluimers on 2015/07/08
Great post by Marjan Venema when you need to migrate your old Delphi programs to the modern Delphi world: [Wayback] 20 resources on migrating to Unicode with Delphi | Software on a String.
I’m glad that some of the links overlap with what I posted and presented in the past at:
Well done Marjan!
–jeroen
Posted in Ansi, ASCII, Delphi, Delphi 2, Delphi 2005, Delphi 2006, Delphi 2007, Delphi 2009, Delphi 2010, Delphi 3, Delphi 4, Delphi 5, Delphi 6, Delphi 7, Delphi XE, Delphi XE2, Delphi XE3, Delphi XE4, Delphi XE5, Delphi XE6, Delphi XE7, Development, Encoding, Software Development, Unicode | Leave a Comment »
Posted by jpluimers on 2015/02/24
Hoe moeilijk kan het toch zijn om je encoding goed te doen.
Deze keer uit een brief van xs4all:
Mojibake encoding probleem
Als je een trema in een brief zet, dan controleer je toch even dat die ook goed op de brief wordt afgedrukt?
Posted in Development, Encoding, ISO-8859, Mojibake, Software Development, Unicode, UTF-8, UTF8 | Leave a Comment »
Posted by jpluimers on 2015/02/16
Brillant!: Windows Alt Key Codes.
The page has both lists of four-digit ALT+#### codes, a how-to, and reference links:
- Letters with Accents – (e.g. ó, ò, ñ)
- Other Foreign Characters – (e.g. ç, ¿, ß)
- Currency Symbols – (e.g. ¢, £, ¥)
- Math Symbols – (e.g. ±, °, ÷)
- Other Punctuation – (e.g. &, ©, §)
- Using the Codes
- Other Accents and Symbols: Character Map Other Page
- Non-Numeric Accent Codes: Activate International Keyboard Other Page
- Links to Other References
–jeroen
Posted in Development, Encoding, Power User, Software Development, Unicode, Windows, Windows 7, Windows 8, Windows Server 2000, Windows Server 2003, Windows Server 2003 R2, Windows Server 2008, Windows Server 2008 R2, Windows Vista, Windows XP | Leave a Comment »
Posted by jpluimers on 2015/01/21
Stefan Heymann did a great presentation Character Sets and Unicode in Firebird at fbcon11. About 90% of it is not about Firebird, but about Unicode: a highly recommended presentation.
There is also a PDF version of the same presentation for easier reading/searching.
If you like Firebird, there is a whole bunch of Firebird related presentations from various authors shared by MindTheBird.
–jeroen
Posted in Ansi, Database Development, Development, Encoding, Firebird, ISO-8859, ISO8859, Software Development, Unicode, UTF-8, UTF8 | Leave a Comment »
Posted by jpluimers on 2015/01/14
One of the features that bites me over and over again is the ZEROBASEDSTRINGS that got introduced in Delphi XE3 and is by default ON in mobile compilers and OFF in Desktop compilers.
Back then, Mark Edington showed a small example of the effects:
| procedure ZeroBasedTest; | |
| const | |
| S: string = '012'; | |
| begin | |
| {$ZEROBASEDSTRINGS OFF} | |
| Writeln(S[1]); // shows "0" | |
| Writeln(S.Chars[1]); // shows "1" | |
| {$ZEROBASEDSTRINGS ON} | |
| Writeln(S[1]); // shows "1" | |
| Writeln(S.Chars[1]); // shows "1" | |
| end; |
and then explained:
The XE3 RTL source code has been refactored to be string index base agnostic. In most cases this is done by utilizing string helper functions which are always zero based.
When it is necessary to traverse a string, the Char[] property is often used to access the individual characters without concern for the current state of the compiler with respect to zero based strings.In addition, the “Low” and “High” standard functions can now be passed a string variable to provide further flexibility as needed.
When zero based strings are enabled, Low(string) will return 0, otherwise it will return 1. Likewise, High() returns a bounds adjusted length variation.
The problem is the non-existent forward compatibility of the other compilers (Delphi XE2 and lower).
So if you have library code that needs to work in Delphi versions, you cannot use the High and Low to make the code ZEROBASEDSTRINGS neutral.
Many Delphi developers regularly skip many Delphi versions, so these are still popular:
The result is that library code is full of conditionan IF/IFDEF blocks like these:
| {$ifdef GX_VER240_up} | |
| for Index := Low(input) to High(input) do // for ZEROBASEDSTRINGS | |
| {$else} | |
| for Index := 1 to Length(input) do | |
| {$endif GX_VER240_up} |
–jeroen
via: Mark Edington’s Delphi Blog : XE3 RTL Changes: A closer look at TStringHelper.
Posted in Ansi, Delphi, Delphi 2007, Delphi 7, Delphi XE, Delphi XE2, Delphi XE3, Delphi XE4, Delphi XE5, Development, Encoding, Software Development, Unicode | 8 Comments »
Posted by jpluimers on 2014/11/26
A long while ago, I posted a detailed answer on what functions the default comparers actually were calling to get a feel for if they would apply or not answering delphi – What does the default TArray.Sort comparator actually do and when would you use it? – Stack Overflow.
I needed that information recently because of some sorting issues I bumped into (sorting generic records), so finally a blog post.
First some links to documentation for even more background information:
There is the answer I gave: Read the rest of this entry »
Posted in Algorithms, Ansi, Delphi, Delphi 2009, Delphi 2010, Delphi XE, Delphi XE2, Delphi XE3, Delphi XE4, Delphi XE5, Development, Encoding, Floating point handling, Software Development, Unicode | 2 Comments »
Posted by jpluimers on 2014/10/01
I’ve been experimenting with the Delphi hinting directives lately to make it easier to migrate some libraries to newer versions of Delphi and newer platforms.
Hinting directives (deprecated, experimental, library and platform) were – like the $MESSAGE directive – added to Delphi 6.
Up to Delphi 5 you didn’t have any means to declare code obsolete. You had to find clever ways around it.
When referring to identifiers marked with a hinting directive, you can get various warning messages that depend on the kind of identifier: unit, or other symbol. Read the rest of this entry »
Posted in Apple Pascal, Borland Pascal, DEC Pascal, Delphi, Delphi 2005, Delphi 2006, Delphi 2007, Delphi 2009, Delphi 2010, Delphi 6, Delphi 7, Delphi 8, Delphi XE, Delphi XE2, Delphi XE3, Delphi XE4, Development, Encoding, FreePascal, ISO-8859, ISO8859, Java, Lazarus, MQ Message Queueing/Queuing, QC, Reflection, Software Development, Sybase, Unicode, UTF-8, UTF8 | 2 Comments »
Posted by jpluimers on 2014/08/08
Though there is a Unicode character for the Apple Command Key, there is none for the Windows Key.
The Windows font WinDings does have a character 255 for it, but that font usually is not installed on non-Windows systems. There it will look like Unicode Character ‘LATIN SMALL LETTER Y WITH DIAERESIS’ (U+00FF)
This Unicode code point comes closest to the Windows key: Unicode Character ‘SQUARED PLUS’ (U+229E) and is used by Windows Key page on WikiPedia.
The Unicode code points for Mac modifier keys are these:
–jeroen
Posted in Development, Encoding, Mac, Mac OS X / OS X / MacOS, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, MacBook Retina, MacBook-Air, MacBook-Pro, OS X 10.8 Mountain Lion, Power User, Software Development, Unicode, Windows, Windows 7, Windows 8, Windows Server 2003, Windows Server 2003 R2, Windows Vista, Windows XP, Windows-1252 | Leave a Comment »
The Wiert Corner - irregular stream of stuff 