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16
Developer's Corner / Re: coding x86 assembler on a 64 bit machine??[coding on a x64]
« on: April 06, 2008, 07:44 AM »
hi,

Thanks for your reply. Yes I did notice everyone just mention the RAM access bit, but I've also heard around places that WinXP x64 is slower?? However, I know that part of its base code is Win Server 2003? So it should be stabler right?

I own a Compaq C772tu and the hp website hardly has most of the drivers, its so silly that they can't give it on disk.

Back to the part about the performance, what you say does make sense, x64 should end up crunching bits in half the time right? Or I've heard places that only a 64 bit app would run faster?? Could you give me more details on the performance, is it worth it? I also have 2 GB Ram and a Intel Dual Core processor.

Thanks so much
Gideon


17
Developer's Corner / Re: coding x86 assembler on a 64 bit machine??[coding on a x64]
« on: April 06, 2008, 04:57 AM »
hi,

Thanks so much for the advice.

I finally got my laptop and I'm having quite some trouble findinf x64 drivers, I should warn anyone planning to run x64 Windows XP, try and find the required drivers! They're hardly available!! >:(

Anyway, So now i'm thinking of dumping the whole x64 idea, there not MUCH of a difference in performance right? I mean unless  I'm running a x64 app which itself will have problems connecting to x86 apps? Like IE x64 can't load a 32 bit applet!?

I want to know if i have any advantages on the programming front? Besides being able to test x64 assembly and apps what real advantages do i have with Windows Xp x64??

Thanks so much
From a very frustrated,:mad:
Gideon

18
Developer's Corner / Re: coding x86 assembly on a 64 bit machine??[coding on a x64]
« on: April 02, 2008, 11:21 AM »
hi,

Thanks so much for your reply, thats pretty re assuring! Going to buy me a new laptop soon! :P

I would like to ask you: Has assembly come to use to you when coding apps? Or does it help you understand it all better?

I'm learning it just out of a lot of curiosity. Also i hope to get into electronics and understand ICs and microprocessor architecture better. Someone did tell me to learn it well enough to know whats its like but not enough to write an app, so will I be wasting time then??  Also I hope to learn MSIL soon, should I do that after I learn ASM?

Thanks so much
Gideon

19
Developer's Corner / Re: Help with databases in Visual Studio C#
« on: April 02, 2008, 08:23 AM »
hi

I know exactly what you're talking about, I had a large project to do over a year ago and I had to learn ADO.NET and it was so painful because there is hardly much out there about ado.net. You might want to think about getting a book btw, David Sceppa's programming ADO.NET core reference is pretty good.

ok, a DataSet an in memory representation of your tables or schema,  a dataset contains Tables, so when you have the table you want, you do exactly what you mentioned.
(ds = dataset)
DataTable dt = ds.Tables[0];
DataRow row = dt.NewRow()
Now you can do what you want with 'row'

Remember to persist the changes with
ds.AcceptChanges() //if i'm not mistaken!?

Yes, i didn't forget, You probably don't see the NewRow() on intellisense because 1. You don't have using System.Data on the top, and/or 2. You don't have System.Data.dll referenced.

I Hope that was helpful :)
Gideon

20
Developer's Corner / coding x86 assembler on a 64 bit machine??[coding on a x64]
« on: April 02, 2008, 07:13 AM »
Hi, :)

Im a self taught pretty good C# programmer, i know a bunch of visual languages, i do know a little C and JAVA to but i'm not that experienced, which is a good enough excuse to ask....

Can i code x86 assembler on a 64 bit machine? I've just started reading Dr. Paul Carters free book, and i'm going to get a personal laptop with a 64 bit processor. Unfortunately, the laptop is the only one affordable yet fast enough for my work. So i don't have much of a choice.

Also, on the general level are there any unforeseen problems i might run into with programming C#, C , JAVA etc on a 64 bit machine? Will there be problems calling x86 code from C#? Or anything else i should know?


Hope that wasn't too much of a silly question,

Thanks so much
Gideon

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