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Posted by jpluimers on 2014/12/01
Every vendor should publish version numbers like this to make it easier for their customers to check if they are current or not.
I can’t promise to have a complete list, or the latest versions, but I will update with the versions I have used.
–jeroen
Posted in Conference Topics, Conferences, Delphi, Delphi XE, Delphi XE2, Development, Event, Software Development | 8 Comments »
Posted by jpluimers on 2014/11/20
Ever since the Delphi build engine got changed to MS Build in Delphi 2007, many people use Delphi build events. Their order is prebuild, prelink and postbuild (or maybe better spelled pre-build, pre-link and post-build).
Before Delphi 2007, you had to fiddler with project groups and dependencies to fake pre-build and post-build events. For an example see Pre and Post-Build Automation in Delphi.
One of the really good things about these events is that build events appear in the output tab of the messages window.
One of the really bad things is that there is hardly any documentation about the build events.
At least two important things are missing:
Let’s explain these. Read the rest of this entry »
Posted in Conference Topics, Conferences, Delphi, Delphi 2005, Delphi 2006, Delphi 2007, Delphi 2009, Delphi 2010, Delphi XE, Delphi XE2, Delphi XE3, Delphi XE4, Delphi XE5, Development, Event, FastMM, QC, Software Development | 5 Comments »
Posted by jpluimers on 2014/11/04
Normally you would not want to use a reserved word as an identifier. But sometimes it can be very convenient, for instance for a code generator that wraps remoting calls or does ORM.
Both Delphi and C# have an escape for this:
The prefixes are to tell the compiler knows you really know what you are doing, and are using a reserved word as an identifier.
The cool thing: in the Run Time Type Information (Delphi) or Reflection (C# and VB.NET) you will see the names without the prefix.
Some examples from StackOverflow: Read the rest of this entry »
Posted in .NET, .NET 1.x, .NET 2.0, .NET 3.0, .NET 3.5, .NET 4.0, .NET 4.5, C#, C# 1.0, C# 2.0, C# 3.0, C# 4.0, C# 5.0, Conference Topics, Conferences, Delphi, Delphi 2005, Delphi 2006, Delphi 2007, Delphi 2009, Delphi 2010, Delphi 8, Delphi XE, Delphi XE2, Delphi XE3, Delphi XE4, Delphi XE5, Delphi XE6, Delphi XE7, Development, Event, Jon Skeet, Software Development, VB.NET, VB.NET 10.0, VB.NET 11.0, VB.NET 7.0, VB.NET 7.1, VB.NET 8.0, VB.NET 9.0 | Leave a Comment »
Posted by jpluimers on 2014/08/28
Quiz questions:
procedure TestHResult.Test_EOleException;
var
OleException: EOleException;
IResult: LongInt; // == HResult
UResult: Cardinal; // == DWord
begin
IResult := $800A11FD;
UResult := $800A11FD;
try
OleException := EOleException.Create('message', $800A11FD, 'source', 'helpfile', -1);
raise OleException;
except
on E: EOleException do
begin
if E.ErrorCode = $800A11FD then
Exit;
Self.CheckEquals(E.ErrorCode, $800A11FD, 'E.ErrorCode should equal $800A11FD');
end; // E: EOleException
end;
end;
Posted in Conference Topics, Conferences, Delphi, Delphi 4, Delphi 5, Delphi 6, Delphi 7, Delphi XE, Delphi XE2, Delphi XE3, Delphi XE4, Delphi XE5, Development, Event, Software Development | 2 Comments »
Posted by jpluimers on 2014/08/06
A long while ago, I wrote about a (then overdue post) on .NET/C#: Using IDisposable to restore temporary settrings example: TemporaryCursor class.
I had been using a similar technique in Delphi since before I found out about the [WayBack] TRecall class and thought: I think my TTemporaryCursor is smarter, as it is based on interfaces.
TRecall(and the [WayBack] Vcl.Graphics descendants [WayBack] TBrushRecall, [WayBack] TFontRecall, and [WayBack] TPenRecall) store [WayBack] TPersistent properties using the Assign method. They were introduced in Delphi 6.Too bad there are only [WayBack] very few people using TRecall as lots of TPersistent things warrant sasaving and restoring.
My [WayBack] TTemporaryCursor (now [WayBack] at bitbucket) class only stores an integer, so it cannot derive from
TRecall. Besides it is based onIInterfacewhich got introduced in Delphi 6, but was present asIUnknownsince Delphi 3 (see [WayBack] Interface It! A quick guide to the ins and outs of interfaces in Delphi. By Jimmy Tharpe).This means that
TRecallcould have been based onIInterface, so I wonder why it was not.Note I’m not the first to publish about such a class (Malcolm Grooves wrote [WayBack] TCursorSnapshot, SwissDelphiCenter has [WayBack] TMyCursor, Nick Hodges published about [WayBack] TAutoCursor), it’s just that it has been in my tool box for so long, and written memento classes that you will see 2 articles on it this week.
In the mean time (this works with Delphi 2009 and up), I also wrote a small class that does similar things for any [WayBack] anonymous method. More on that tomorrow.
Back to TRecall: it is an example of [WayBack] the memento pattern in Delphi. The [WayBack] memento pattern allows you to restore state.
SourceMaking.com a.k.a. [WayBack] Design Patterns and Refactoring is a great site about [WayBack] Design Patterns, [WayBack] UML, [WayBack] AntiPatterns and [WayBack] Refactoring.
Most pattern example code is available in all of the C#, C++, Delphi, Java and PHP languages.
Great stuff!
One of the constructs for restoring state is a [WayBack] try … finally … end construct: it allows you to always execute something in the finally block, for instance restoring the state to right before the try block. Read the rest of this entry »
Posted in Conference Topics, Conferences, Delphi, Delphi 2005, Delphi 2006, Delphi 2007, Delphi 2009, Delphi 2010, Delphi 3, Delphi 4, Delphi 5, Delphi 6, Delphi 7, Delphi x64, Delphi XE, Delphi XE2, Delphi XE3, Delphi XE4, Design Patterns, Development, Diagram, Event, Software Development, UML | 14 Comments »
Posted by jpluimers on 2014/03/06
If you run FastMM4 in FullDebugMode, then here are two tips that new (and sometimes existing users) often overlook:
FullDebugMode directive in the IDE, build your project.The first makes sure all units are compiled with FullDebugMode (Delphi does not always do that automagically).
The second makes sure your EXE can access the DLL that writes out your *MemoryManager_EventLog.txt file containing memory leaks and other issues FastMM4 detected.
–jeroen
Posted in Conference Topics, Conferences, Delphi, Delphi 2007, Delphi 2009, Delphi 2010, Delphi XE, Delphi XE2, Delphi XE3, Delphi XE4, Delphi XE5, Development, Event, FastMM, Software Development | 2 Comments »
Posted by jpluimers on 2014/01/10
Ever since around Delphi 2007, it started to use temporary .VRC files to re-build the project .RES file.
It confuses people, and with reason as the only public information about it on the dockwiki seems to be in the Version Info page (though there is more on the other embarcadero sites).
The reason is that parts of the .RES file are no more leading in the process of getting them from your project options to the final binary (EXE/DLL/BPL/…) of your project.
Delphi XE3 for instance can have these resource structures in the .VRC file:
- VERSIONINFO (usually called “1”)
- ICON (called “MAINICON”)
- 24 (called “1”; 24 is in fact a numeric alias for MANIFEST)
- RCDATA (called “PLATFORMTARGETS“)
Except for type 24, Delphi XE2 seems to have the same kinds of resource types.
All in all, most if not all of the .RES files are being auto-generated for at least a couple of years now so there is less and less need to put it under version control.
The problem is that if for one reason or the other, your project .RES file becomes readonly, and you get errors like mentioned in Why does a projects res file need to ….
[BRCC32 Error] xxx.vrc(1): error creating xxx.res
Posted in Conference Topics, Conferences, Delphi, Delphi XE, Delphi XE2, Delphi XE3, Delphi XE4, Delphi XE5, Development, Event, QC, Resource Files and Scripts (.res/.rc), Software Development | Leave a Comment »
Posted by jpluimers on 2014/01/04
Hadn’t been doing SOAP in Delphi for a while, and needed to send some Delphi data structures over the write where both Client and Server were going to be Delphi.
These links helped me:
If both client and server are Delphi, you can share the interface units and registration.
Note: since native Delphi SOAP support uses old-skool RTTI, so any property you want to go over the wire needs to be published, not public.
If you want to go beyond that, or use other protocols than SOAP, use libraries for Delphi like RemObjects SDK.
–jeroen
Posted in Conference Topics, Conferences, Delphi, Delphi XE3, Delphi XE4, Delphi XE5, Development, Event, Software Development | Leave a Comment »
Posted by jpluimers on 2013/10/03
Early bird ends October 4th: get an Android tablet for free and save EUR 100!
EKON17 (from November 4-6 in Cologne, Germany) will be a fun event this year: lots of nice sessions and workshops, a lovely city (not just the Dom Cathedral), and a great group of speakers.
Since there are so many speakers that are able to speak English, it is interesting for non-German attendees as too, especially the post-conference workshop from Nick Hodges.
I’ll be speaking too (more on that below) and will be there all 3 days (plus the evening before and morning after to aid people with their Delphi related questions).
Among the speakers, these will do their sessions in English:
Posted in Conferences, Delphi, Delphi XE5, Development, EKON, Event, Software Development | Tagged: android, Delphi, nick hodges | Leave a Comment »
Posted by jpluimers on 2013/08/28
Some 20 years after someone thought it was a nice idea to allow spaces in path names on Windows, it still is a bad idea to rely that just “works” for everything.
Today I tried to see if it still applied what I mentioned 2 years ago during the German BASTA! Fall conference in the Rheingoldhalle when talking about cross platform .NET development using MonoDroid/MonoTouch/Visual Studio:
Android SDK
– http://developer.android.com/sdk/index.html
– Windows:
- http://dl.google.com/android/installer_r13-windows.exe
- http://dl.google.com/android/android-sdk_r13-windows.zip
Do not install in a directory with spaces (not C:\Program Files, but C:\android-sdk)
And it does still apply: though not mentioned in the Android SDK/ADT documentation, most of the batch files in the Android SDK ADT bundle are not compatible being stored in a path that has spaces.
Unquoted referrals to paths like this are used in most SDK batch files:
cd /d %~dp0
The only way to run these batch files is with the current directory being the directory of the batch file itself, or referring to them in their fully quoted form.
Another correct way would be to use short names, but that’s only done in find_java.bat:
%~dps0
Summary of the batch files and how they are affected:
| + …\adt-bundle-windows-x86-20130522\sdk\build-tools\android-4.2.2\dx.bat | |
| + …\adt-bundle-windows-x86-20130522\sdk\tools\android.bat | |
| + …\adt-bundle-windows-x86-20130522\sdk\tools\ddms.bat | |
| + …\adt-bundle-windows-x86-20130522\sdk\tools\draw9patch.bat | |
| + …\adt-bundle-windows-x86-20130522\sdk\tools\hierarchyviewer.bat | |
| + …\adt-bundle-windows-x86-20130522\sdk\tools\jobb.bat | |
| + …\adt-bundle-windows-x86-20130522\sdk\tools\lint.bat | |
| + …\adt-bundle-windows-x86-20130522\sdk\tools\monitor.bat | |
| + …\adt-bundle-windows-x86-20130522\sdk\tools\monkeyrunner.bat | |
| + …\adt-bundle-windows-x86-20130522\sdk\tools\traceview.bat | |
| + …\adt-bundle-windows-x86-20130522\sdk\tools\uiautomatorviewer.bat | |
| – …\adt-bundle-windows-x86-20130522\sdk\tools\lib\find_java.bat | |
| + …\adt-bundle-windows-x86-20130522\sdk\tools\lib\post_tools_install.bat | |
| * …\adt-bundle-windows-x86-20130522\sdk\tools\proguard\bin\proguard.bat | |
| * …\adt-bundle-windows-x86-20130522\sdk\tools\proguard\bin\proguardgui.bat | |
| * …\adt-bundle-windows-x86-20130522\sdk\tools\proguard\bin\retrace.bat | |
| – …\adt-bundle-windows-x86-20130522\sdk\tools\templates\gradle\wrapper\gradlew.bat | |
| – compatible with spaces in path | |
| + incompatible with spaces in path | |
| * won't run at all when current directory is different from directory of batch file |
(Side note: most incompatible batch files correctly do `for %%i in (“%cd%”) do set prog_dir=%%~fsi`)
So: make sure “…” is a path not containing spaces.
–jeroen
Posted in Android, BASTA!, Conferences, Development, Event, Mobile Development, Software Development | Tagged: adt, android, batch files, cross platform, mobile, path names, software, technology | Leave a Comment »
The Wiert Corner - irregular stream of stuff 