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SheerPower®
4GL
-- Beyond BASIC --
FAQ |
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General Questions
Q. What is SheerPower 4GL?
Q.
Who Benefits from using SheerPower 4GL?
Q.
What operating systems does SheerPower 4GL support?
Q. Does SheerPower run on Windows 95?
Q.
Why are you giving SheerPower 4GL away for free?
Q.
The SheerPower documentation states that SheerPower is much like
structured BASIC, but that it is "beyond" basic. Does this mean
if I know how to program in BASIC that the same syntax is usable by
SheerPower? Based on the sample menu program I've gone through in the
documentation I would guess the answer is no.
Q. Can SheerPower make .EXE files?
If you wish to distribute SheerPower applications, but want to HIDE the source code, SheerPower has a DEPLOY option. The DEPLOY option generates a SPRUN file that:
The DEPLOY option, that HIDES your source code and generates a SPRUN file. In summary, SheerPower 4GL does not generate an .EXE file. Instead, SheerPower 4GL uses a Virtual Machine to run applications -- similar to Sun's popular JAVA language.
Q.
Why are you not deploying source code to .EXE files?
The advantage is that as virtual machines are developed for other operating systems, the same .sprun file will run on any operating system that the virtual machine can run on. If instead we had deployed to a .exe file, this would require multiple .exe files to be created, one for each operating system! This causes maintenance problems for developers. So it was our concious choice to go the virtual machine route which is much more versatile and easy to maintain. We designed the .SPRUN files so they can be sent back and forth as pure text. You can send the text of an .SPRUN file to a user and they can save it as .SPRUN and it will run (with the Virtual Machine installed). This isn't true for .exe files... and therefore an existing .SPRUN file can never contain a virus. In fact, .SPRUN files cannot be altered in any way whatsoever because they contain a number of self-referential hash values. .SPRUN files are easy to deploy, and are extremely secure as a result.
Q. What type of database does SheerPower
use/support?
Q.
Is there a tool that would allow a re-creation of source code
having only the pre or post deployed compiled files? For example, if
a developer experiences a loss of source code but does have a backup
of the compiled code (.SPRUN), can he decompile the .SPRUN file to
recover the source code?
You have the option to provide end-users with the source code if you don't want to send them deployed code. SheerPower runs source code just fine -- it starts by internally compiling it at a rate in excess of a million lines of code per minute -- and then runs the internally compiled code at the same speed as DEPLOYED code.
Q.
I am currently using a JK Microsystems 386 type SBC for a
particular project and require that programs developed in BASIC be
compiled to .exe files for downloading to the SBC's. Can similar
programs developed in the Sheer Power environment be converted to .exe
files for downloading? If so, how?
Q. Since SheerPower is so powerful, what prevents a hacker from
writing a SheerPower program and attaching it to an email message to be
run automatically?
Q.
Is there a graphics package included with SheerPower 4GL?
Q.
How do I save the .PDF documentation to my PC hard drive?
Or, you can LEFT-CLICK on the .PDF file link (mentioned above) and load the file in your browser. Then click on the "Save" icon inside the Adobe Acrobat Reader toolbar, and save the file to your local PC.
Q.
How can I access all the documentation examples easily?
http://www.sp4gl.com/documentation.htmlx All of the examples are listed as clickable links which go directly to the selected example.
Q.
Are there any plans to port SheerPower to Linux or an O/S2
version?
Q.
Who are you people, anyway?
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