Holger's Take on Software Development - Latest Comments

Re: libxml: Memory Management and leaks in Frameworks you consider ‘safe’

Vinh Steven — Thu, 17 Nov 2011 02:22:07 -0000

I'm still meeting this problem. I googled many times but it seems have no solution to resolve it. Many leaks was produced when it parsed document :(

Re: Computer Programming: Are we moving backwards?

shifyth — Wed, 16 Nov 2011 10:14:52 -0000

thanks a lot for sharing me this information.

Re: Visual Studio LightSwitch 2011 released!

Kjell Rilbe — Thu, 13 Oct 2011 07:39:06 -0000

Would it be possible to use LightSwitch on top of an ECO based "database"?

Re: Visual Studio LightSwitch 2011 released!

Holger Flick — Thu, 13 Oct 2011 07:27:26 -0000

I would not say it will replace ECO. It has a lot of similarities with regard to the fact how you build an application. Its strong point compared to ECO is the deployment. MS provides wizards to deploy apps into the cloud, the desktop and as a web app. It all depends on Silverlight though, which is not the case for ECO. ECO is much more customizable with regard to that. However, if you need to build a data-centric app quickly, LS really is a tool to consider.

Re: Visual Studio LightSwitch 2011 released!

Kjell Rilbe — Thu, 13 Oct 2011 05:38:54 -0000

Is this something that would replace ECO, work with ECO or something else? :-)

Re: Announcing EniRemote for iPad, a remote for any DreamBox set-top box with Gemini Image (Enigma2) …and a hint for Delphi programmers

Starview 7 — Fri, 07 Jan 2011 02:37:34 -0000

The Dream Box too.Usually side of the distance there is a way of re-adjustment of the distance to the factory defaults, either by pressing a recessed button with a pin, or a return to the default settings allow the battery a hours.Sorry i few people that can not be of more help but hope that one of the suggestions may work for you.

Re: iOS: Does this property or method retain my object instance?

hflick — Fri, 22 Oct 2010 17:06:45 -0000

I grew up in the 80s, so Picard is my personal favorite followed by Sisko.

--
Regards,

Holger

Sent from my iPad

Re: iOS: Does this property or method retain my object instance?

Olaf — Fri, 22 Oct 2010 16:49:00 -0000

And I still think *the* captain is James T ;)

Re: iOS: Does this property or method retain my object instance?

hflick — Fri, 22 Oct 2010 16:48:16 -0000

Yes, that is a really good suggestion indeed. Thanks!

--
Regards,

Holger

Sent from my iPad

Re: iOS: Does this property or method retain my object instance?

Olaf — Fri, 22 Oct 2010 16:46:37 -0000

I guess one of the next things to discuss is how you initialized *captain. Apparently there is a subtile difference to do just
NSString *captain = @"Jean-Luc";

Re: Writing to NTFS partitions using Leopard

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Re: Programming on the Mac/iPhone

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Re: IEnumerable<> – the "difference" between Count<>() and Count()

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Re: Looking at DevExpress DXperience 2010.1 (beta)

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Re: libxml: Memory Management and leaks in Frameworks you consider ‘safe’

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Re: Delphi 2009 (beta): Installation speed has been improved a lot!

holger — Sun, 10 Aug 2008 08:09:23 -0000

Yes, the system has been updated, but I installed Delphi 2007 on the same system to do the comparison, obviously :)

It is a Quadcore Intel CPU with 4 GB RAM. The disk is average with 7500 rpms, SATA. The system is Windows XP Pro inside VMWare.

Delphi 2007 took about 10 minutes, Delphi 2009 beta about 5.

Re: Delphi 2009 (beta): Installation speed has been improved a lot!

Thomas Mueller — Sun, 10 Aug 2008 06:49:08 -0000

So the installation time has been halved. Did you maybe upgrade your system to something 3 times as fast in the meantime?

Re: Delphi 2009 (beta): Ribbon Controls

yurkins — Sun, 10 Aug 2008 03:22:49 -0000

Where is RibbonStatusBar ?

Re: SmartInspect 3.0 Preview

Dennis Gurock — Fri, 01 Aug 2008 09:48:46 -0000

Thanks for the links Holger, we really appreciate it!

Re: XtraTreeView: Display a tree structure easily (Binding to an IList data source)

CFQüeb — Fri, 01 Aug 2008 00:57:16 -0000

Sure....!

Attempt to do a list of accountant numbers using the intrinsic control... recursive calls will be need...and many code too....

For me.. DevExpress simplify my life.. and my code!....

Re: XtraTreeView: Display a tree structure easily (Binding to an IList data source)

holger — Thu, 31 Jul 2008 18:07:15 -0000

If you try to do the same thing with the standard .NET tree view component you can see how complicated it can be imho....

Re: XtraTreeView: Display a tree structure easily (Binding to an IList data source)

Olaf Monien — Thu, 31 Jul 2008 17:49:35 -0000

imho represeting a tree in a flat list, using a parent property, is the only natural way of storing a tree structure. Everything else over-complicates things.

Re: Why are “anonymous methods” called “anonymous”?

Rob Kennedy — Thu, 31 Jul 2008 04:06:17 -0000

The thing with anonymous methods is that their anonymity isn't what makes them so useful. What makes them a big deal is that they can be defined in-line where they're used, they carry along the scopes of their callers, and they can be called from places other than the scope where they're defined. (Without that last bit, they'd pretty much just be nested functions.)

Being anonymous really just means that they're hard to call recursively. (Although it's not necessarily impossible. All we'd need is a "fix" function.)

Part of what will determine anonymous methods' usefulness will depend on how much of the VCL and RTL are retrofitted to accept the new "reference to" methods instead of plain function pointers. The common example is CustomSort. If you want to sort a list of objects based on a run-time-configurable field of the class, it can be hard or cumbersome because the TListSortCompare type doesn't accept any parameters other than the items to be compared, and it must be a standalone function, not a method. Options are to have a global variable that gives the sort criterion, have separate comparison functions for each possible criterion, or write a separate sorting routine that accepts a more versatile comparison function.

It's true that we've always been able to declare classes of our own, give them fields and a method that uses those fields, instantiate the class, assign all the fields, call the method, and then free the object. But now we don't have to do all that. We can just write the method and call it. No more object management, and no need for tiny utility classes.

We don't need anonymous methods because we've always been able to do the same thing ourselves; anonymous methods are ultimately just syntactic sugar. But so are interfaces: We've always been able to declare records of function pointers, initialize their fields, and implement stub functions that redirect to methods of a class. But when the compiler assists by doing all that for us, interfaces are much easier to create and consume. We didn't really need language support for Variants, either. We could have assigned the type and data fields and called all the conversion functions ourselves.

Re: Why are “anonymous methods” called “anonymous”?

holger — Thu, 31 Jul 2008 02:44:08 -0000

I apologize to you all as I simply mixed up "anonymous methods" and "partial methods". Time to wake up for me and not to blog too late in the night anymore, eh? :)