f



.net or not .net


Hi all

I not read the group for a week ot two and i get back and suddenly there are 
lots of .net related messages posted.

I have questions......

1. Can someone please explain to me exactly what .net consists of and how it 
effects application developement.  talk of .net has been around for a long 
time, firstlt linked with microsoft wanting application users to rent 
software over the internet and pay per use, but that was a long time ago.

2.  Where can i learn about .net, i haven't got my head aroun COM and 
interaces, etc yet!

Thanks all

Vertuas 


0
Vertuas
8/21/2004 8:57:37 PM
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Vertuas wrote:
> 1. Can someone please explain to me exactly what .net consists of and
> how it effects application developement.

..net is a better Java clone. The basic idea is write code once, run on many
different CPUs (And have it optimized for you at runtime for the target
CPU). On most OSes, the user must download a 20mb+ runtime, and there is a
startup delay while your program is compiled. AFAIK the major difference you
will notice while programming in .net is the garbage collector. When your
objects go out of scope, they are automatically free'd.

Cheers,
Nicholas Sherlock


0
Nicholas
8/21/2004 10:42:49 PM
> .net is a better Java clone. The basic idea is write code once, run on
many
> different CPUs (And have it optimized for you at runtime for the target
> CPU). On most OSes, the user must download a 20mb+ runtime, and there is a
> startup delay while your program is compiled.

Thanks for this clear explanation.

But:

- Will all my programs written for e.g. v5 run on e.g. Linux ?
- Can I easily make programs for my WWW-page ?
- Will Java disappear ?

> Cheers,
> Nicholas Sherlock

Fons.


0
Fons
8/22/2004 12:24:26 AM
Im Artikel <4127d93b$0$78753$e4fe514c@news.xs4all.nl>, "Fons" <---> schreibt:

>- Will all my programs written for e.g. v5 run on e.g. Linux ?

What v5 do you mean? Delphi5? VS5?

Since .NET, or more exactly the CLI (Common Language Infrastructure), is not
very well documented, and the MS implementation of .NET changes every other
day, with fixes for reported errors and introduction of new bugs, the behaviour
of .NET code can vary for every environment (OS, .NET/DotGNU, assembly
versions...).

>- Can I easily make programs for my WWW-page ?

That depends. E.g. you'll have to find an provider who hosts .NET programs.

>- Will Java disappear ?

Not very likely. The Java libaries can be extended to implement .NET
functionality, if required, so that there exists no need switch from Java to
..NET. And as long as there exists only one (open) source for the Java libraries
and environment, Java will be more reliable on more platforms than .NET ever
can be.

DoDi
0
vbdis
8/23/2004 10:59:47 AM
> >- Will all my programs written for e.g. v5 run on e.g. Linux ?
>
> What v5 do you mean? Delphi5? VS5?

What I mean is: recompiling a program written in Delphi v5 with Delphi v8
and then running it under .Net on Linux.

> Since .NET, or more exactly the CLI (Common Language Infrastructure), is
not
> very well documented, and the MS implementation of .NET changes every
other
> day, with fixes for reported errors and introduction of new bugs, the
behaviour
> of .NET code can vary for every environment (OS, .NET/DotGNU, assembly
> versions...).
>
> >- Can I easily make programs for my WWW-page ?
>
> That depends. E.g. you'll have to find an provider who hosts .NET
programs.

Aren't .Net- AND Java-programs just a problem of the computer of the surfer?

> >- Will Java disappear ?
>
> Not very likely. The Java libaries can be extended to implement .NET
> functionality, if required, so that there exists no need switch from Java
to
> .NET. And as long as there exists only one (open) source for the Java
libraries
> and environment, Java will be more reliable on more platforms than .NET
ever
> can be.

We'll see what "The Almighty Microsoft" will do.

> DoDi

Fons.


0
Fons
8/23/2004 7:15:47 PM
On 2004-08-23, Fons <> wrote:
>> >- Will all my programs written for e.g. v5 run on e.g. Linux ?
>>
>> What v5 do you mean? Delphi5? VS5?
>
> What I mean is: recompiling a program written in Delphi v5 with Delphi v8
> and then running it under .Net on Linux.

No. You can't recompile a vast percentage of sources(pointer/win32 using code)
to D.NET, at least so I'm told. You can typically reuse the visual and db
code though.

Some people say it is still better to rewrite the visual part using
Winforms.

I haven't heard of people trying to run d.NET code on non-windows OSes,
so that will probably be uncharted land.

>> >- Can I easily make programs for my WWW-page ?
>>
>> That depends. E.g. you'll have to find an provider who hosts .NET
> programs.
>
> Aren't .Net- AND Java-programs just a problem of the computer of the surfer?

No, .NET is typically used server side, not as applet.

>> >- Will Java disappear ?

No. The basic design principle of Java, portability, only exists on paper
for .NET. 

>> Not very likely. The Java libaries can be extended to implement .NET
>> functionality, if required, so that there exists no need switch from Java
>> to  .NET.

I think .NET is a better VM system, simply because they gave up the pretty
useless pure interpretation, and went straight to JIT, and it is rumoured to
interoperate easier with unmanaged code (direct calling of dlls)
(VS.NET/D.NET that is, not .NET in general)

>> can be.
>
> We'll see what "The Almighty Microsoft" will do.

In general: wait what Longhorn will be. Miorosoft can still remove/add major
features to LH.
0
Marco
8/24/2004 7:31:26 AM
Reply:

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