by _rfc_

MS Access versus Client Server Database Platforms

Article by Michael Jillions

Before a large software house convinces you that you need Oracle or SQL Server, you need to consider whether MS Access could do the job! You might just be surprised! Bespoke or custom Access database applications can be just as professional as their nemesis

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Question by dan G: What are the differences between UNIX and Linux, and what about all those choices within Linux?
What are the operational differences between Linux and UNIX? Why would a programmer choose one over the other? What about software selection and ease of programming (with already basic knowledge of programming, and wanting to dive in to open source)?

In terms of Linux, what makes things like Red Hat cost money and things like Ubuntu not? Is pay-for OS based on Linux better quality than freely distributed OS? What is the best choice for Linux-or-Unix OS for a budding programmer?

Best answer:

Answer by Steven
Unix is old. Originally, there was no GUI on Unix. It was only command line, like DOS but more sophisticated.
Linux is a port of Unix onto various platforms, mostly “Wintel”, but Tivo and Sony, etc use it in their products.
When you pay money for it, you should get something that has been well tested and complete, however, an army of amateurs will always be more creative and innovative. As a budding programmer, a few bugs to solve is a good exercise. If you are not interested in the inner working of the OS, then you should stick with Microsoft.

Know better? Leave your own answer in the comments!

Question by Jigsaw K: Delphi programming?
Hello,

I’m making a program which consists of a RichEdit. I have set a function using StringFind and StringReplace to find and replace the word ‘cool’ in an example, the thing I want to do is to replace the color of the specific word cool. So in example:

all the colors were blue, green, cool <----- the word 'cool' must be blue in the example, so how can I replace color of an especific word in Delphi? Thank you very much, please answer as soon as possible.

Best answer:

Answer by reinandang
It’s easy, i’ll show you :

procedure TForm1.FindDialog1Find(Sender: TObject);
var
FoundAt: LongInt;
StartPos, ToEnd: Integer;
begin
with RichEdit1 do
begin

{ begin the search after the current selection if there is one }
{ otherwise, begin at the start of the text }
if SelLength <> 0 then

StartPos := SelStart + SelLength
else

StartPos := 0;

{ ToEnd is the length from StartPos to the end of the text in the rich edit control }

ToEnd := Length(Text) – StartPos;

FoundAt := FindText(FindDialog1.FindText, StartPos, ToEnd, [stMatchCase]);
if FoundAt <> -1 then
begin
SetFocus;
SelStart := FoundAt;
SelLength := Length(FindDialog1.FindText);

{Set Font Color here}
SelAttributes.Color:=clBlue;

end;

end;

end;

Add your own answer in the comments!

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by [luis]

Hosting Versus Unix Windows

When browsing through the offerings of various web hosting companies you are sure to notice that some offer UNIX hosting and others offer Windows. Some hosts even offer a choice of the two operating systems. What are the differences and which one is better?

First of all, when choosing a host, it doesn’t matter what kind of operating system you develop your web site on or what you use on your own computer. Web sites hosted on both UNIX and Windows servers are universally accessible because the data they serve is identical. The difference lies solely in the software used to serve that data.

In terms of reliability UNIX systems have a slight advantage. They are known to extremely stable and able to run for years without rebooting. Windows is also very reliable – slightly less so than UNIX but still able to handle the demands of modern web sites.

The majority of web hosts use various flavours of UNIX like Linux and FreeBSD.

These operating systems are free and reduce the costs of a hosting operation. Windows costs thousands of dollars so some hosts charge extra for Windows accounts if they offer both types.

As well as being free, Linux and the other UNIX varieties are open-source software. Anyone can alter the source code and make improvements, updates, and additions. There is a large pool of dedicated enthusiasts who use their free time to work on this software. Windows, on the other hand, is Microsoft proprietary software so users are dependent on Microsoft to release updates. There is no way for an individual user to modify the code.

The main difference between the two types of operating systems is the type of software each can run. Windows is suitable for Microsoft products such as MS Access databases, ASP for delivering dynamic content, and VBScript for site enhancements. UNIX cannot accommodate these technologies so if you absolutely need ASP or VBScript you should pick a Windows host. UNIX hosts deliver dynamic content by using software such as PHP, CGI, and MySQL – technologies which are also available on Windows hosts.  

Windows is necessary for hosting Windows media files such as videos and audio. Other types of media such as MP3, Flash, Shockwave and Real can be handled by either UNIX or Windows. Websites created in Microsoft FrontPage (a graphical HTML development package) can also be hosted on either type as long as MS databases or dynamic content are not included for use on a UNIX host.

Which is Best?

Before deciding which type of hosting to use for your website, consider carefully what kind of technologies you will need. Do you need a dynamic site?  Will you have multimedia content such as streaming video or audio?  

Both UNIX and Windows can provide dynamic content with PHP, MySQL, as well as CGI, and there are thousands of dynamic scripts readily available. Multimedia can also be hosted by either type of server, although Windows media (WMA and WMV) need to be hosted on a Windows server.
If you absolutely need Microsoft databases, ASP, and Windows media you have to go with a Windows host. Otherwise most websites are probably better off with a UNIX host. The advantages of UNIX over Windows include greater choices in web hosts, slightly better reliability, and (sometimes) cheaper hosting costs.