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Posted by jpluimers on 2018/01/18
Seems very OK for a first pass in a C to Delphi conversion:
[WayBack] Hi, I’ve created a C to Delphi converter.Because it’s been so useful to me that I’ve decided to share it.It converts C code as-you-type, and it keep… – Wouter van Nifterick – Google+
Source is on GitHub: https://github.com/WouterVanNifterick/C-To-Delphi
–jeroen
Posted in C, Delphi, Development, Software Development | Leave a Comment »
Posted by jpluimers on 2018/01/16
Just in case I ever need to do heavy Delphi 2007 magic to change the component class of an object instance:
[WayBack] Quite unusual compiler behaviour (for older compilers) as seen here:http://stackoverflow.com/questions/41181767/patching-instance-class-requires-base-… – David Heffernan – Google+
References:
–jeroen
Source: Quite unusual compiler behaviour (for older compilers) as seen here: http://…
Posted in Delphi, Delphi 2007, Development | Leave a Comment »
Posted by jpluimers on 2018/01/10
As a by-effect, this article seems to one of the few that shows where Delphi uses the
.dresfile extension introduced around Delphi XE.
Recently I had to play some notification sounds in a Windows Delphi application where the application deployment should be as easy as possible: preferable copying the EXE around.
Playing a sound file seems easy, especially if it is a [WayBack] WAV file: just use the [WayBack] PlaySound or the (older) [WayBack] sndPlaySound API functions.
But if you start searching on the internet, you see lots of curious implementations for playing WAV resources through sndPlaySound.
The actual implementation is really really easy though, just make sure you follow the steps right and nothing can go wrong.
[WayBack] The full source code is on my BeSharp.net repository, here is how to to it step by step:
The steps depend on the
MMSystemunit, so most of the code translates back to [WayBack] Turbo Pascal for Windows (yes, the 16-bit Pascal days when theMMSystemunit was introduced) with the exception of theSND_SENTRYflag.The thing that more recent Delphi versions made a lot easier is embedding
WAVfiles asWAVEresources, more on that further on. Read the rest of this entry »
Posted in Borland Pascal, 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, Development, Pascal, Software Development, Turbo Pascal | Leave a Comment »
Posted by jpluimers on 2018/01/10
One of my main gripes about lots of RTL/VCL/FMX code: conventions are often lacking.
Which means one of the below functions starts with Ansi (but does a Unicode operation) and the other has the parameters in reverse.
var
Comp: function(const s1, s2: string): Boolean;
begin
if CheckBox1.Checked then
Comp := ContainsText
else
Comp := AnsiStartsText;
end;
–jeroen
source: [WayBack] Damned ! var Comp : function(const s1, s2: string): Boolean; begin if CheckB… – Paul TOTH +
Posted in Delphi, Development, Software Development | 2 Comments »
Posted by jpluimers on 2018/01/10
Interesting idea:
[WayBack] Wouldn’t it be nice if Delphi has an attribute that automatically registers your class for you? – Lennart Aasenden – Google+
Source at [WayBack] Autoregister attribute for Delphi | Jon L. Aasenden
–jeroen
Posted in Delphi, Development, Software Development | Leave a Comment »
Posted by jpluimers on 2018/01/09
You always have to be careful with Delphi finalization sections cleaning up things that might have not created inside the corresponding initialization section. This is especially true for the System unit.
That one actually contains this little piece of code that is being called after FinalizeUnits is called which also fianalises external memory managers like FastMM:
finalization {$IFDEF WEAKREF} InstHashMap.Finalize; {$ENDIF}...{$IFDEF MSWINDOWS} FinalizeLocaleDate; if PreferredLanguagesOverride <> nil then FreeMem(PreferredLanguagesOverride);...
Which means that you will have to enable the NeverUninstall conditional define as soon as the InstHashMap has been used.
Most often that’s the case with FMX applications that heavily relies on weak references.
The same holds for PreferredLanguagesOverride which is used by SetLocaleOverride and can be worked around by performing this right at the end of the .dpr:
SetLocaleOverride('');
–jeroen
via:
Posted in Delphi, Development, Software Development | Leave a Comment »
Posted by jpluimers on 2018/01/07
If you run into animation problems in Delphi Tokyo 10.2 update 2, then read [WayBack] … In particular I cannot use the use the animation to change the tab in a TabControl… – Raffaele Miola – Google+.
It is likely that RSP-19525 (10.2 Tokyo Release 2 breaks Animation under Android – App hangs).
Some temporary fixes that might help you are here:
I think that for cross platform and especially mobile development means you need to use tools from vendors that live and breathe that, by constantly showing they master these subjects for instance having good apps in the app stores and examples that are regularly updated to the ever changing field.
I really wonder what the rest of the Delphi community thinks about that.
–jeroen
Posted in Delphi, Development, FireMonkey, Software Development | 1 Comment »
Posted by jpluimers on 2018/01/04
A few people recently discovered the beauty of record helpers:
Record helpers can help any value type (which includes enumerated types) so you can add functions to enumerations.
Class helpers can help class types.
There are no interface helpers and likely won’t be there for a long while.
–jeroen
Posted in Conference Topics, Conferences, Delphi, Development, Event, Power User, Software Development | 2 Comments »
Posted by jpluimers on 2018/01/04
[WayBack] Hi there, this is pure curiosity only; but this compiler behaviour seems odd to me. What do you think?… – Agustin Ortu – Google+
The problems start when you prefix the outer class which you have to when using inner consts ([WayBack] Oh nice. Feel free to QP. Fails at least in Delphi XE8. … – Jeroen Wiert Pluimers – Google+).
The big problem in both cases is a formal language specification. The lack of a formal language specification makes it very hard to predict the effect of use cases or generate them for testing.
So this post is yet another request: Please Embarcadero/Idera, come up with a formal language definition for Delphi.
Posted in Delphi, Development, Software Development | 2 Comments »
Posted by jpluimers on 2018/01/01
It is a lot (~300 megabyte compressed download!), but worth it.
Here are the links:
sha256sum UberPdfSdk-1000-0000.tar.gz 215aed6e5b99bd4a923a2916708163df7bffc47e36508d51dac34cd9a4a74337sha256sum UberPdfSdk-1000-0000.zip 608a90fd6b8f352b4d1f9f59d0d1853a957179e7272ce9a58db78bb52ef6b6e3And the quote from [WayBack] LAUNCHED https://uberpdf.org/ … – Joe C. Hecht – Google+
LAUNCHED https://uberpdf.org/
…
337 MB of source and utils in 2,308 Files, 910 Folders before you build (not counting 3rd party source UberBuild downloads).
It’s a start, with much to come.It will get easier now that UberBuild is clean.
I will be updating the docs and website in the next few days.
Special thanks …
I already see room for improvement (such as a setup screen for extra compilers such as Delphi and Free Pascal to keep folks out of shell scripts and from hunting for help in the documentation).
…
–jeroen
Posted in *nix, C, C++, Delphi, Development, Linux, Power User, Software Development, Windows | 3 Comments »
The Wiert Corner - irregular stream of stuff 