The qDecoder Project

About qDecoder


What's qDecoder?

Being a Web Application Interface for C/C++ use, qDecoder is a solution product for developers. The Query Fetch algorithm of qDecoder based on the linked-list provides transparency with low layers by the simple library interface regardless of COOKIE/GET/POST(including File Upload). Thus, it enables the web based software to be more intuitively designed and implemented. qDecoder is developed according to the free software model and is publicly distributed.

Why C/C++ language is necessary for developing web applications?

It is true that such recent languages as JSP, ASP, Perl, and PHP make the Web programming easier. These authoring languages make the database interoperability easier through simple codes. And they also provide rich libraries through CPAN. When things are like this, we sometimes ask ourselves if we really need to develop web application using the difficult and complicated C/C++ language.

Actually in many cases, we come to develop things using handy tools like PHP that guarantees speedy development. But when critical requirements are to be satisfied, many developers still want to select C/C++ which is the industry standard language.

The processing of critical regions like file-locking techniques, the processing of communications and piping between processes, the securing of performance for bottleneck looping codes, low-level control, and the manipulation of the character/bit units under a race condition occurring due to many simultaneous processing works can be good examples. Moreover, programs constructed by C/C++ can be easily transplanted on most platforms without much dependence.

What we make reluctant to pick up C/C++ will be fears of the possible development delay and the cumbersome implementation due to its unique fastidiousness. Language is a tool for creation. And a tool is created because it is needed. And now the tool is restricting creativity. What an embarrassing situation it is!

It was 1996 when I was using a few public C/C++ libraries including "util.c" of NCSA. I did not think any of them really satisfied me at that time. And I started to compose the initial code of qDecoder. Since the version of 6.0, qDecoder reached its majority and is capable of constructing most programs with the advantages of C/C++ and with the speed of PHP or Perl that are embodied in it (This is what I think about qDecoder, and from now on, I will try to perfect it).

Handy authoring tools will be continuously developed. But the proper territory of C/C++ will persist. That's the import of the existence, the continuous development and maintenance of qDecoder.

Now, we believe that we have fully explained that we are not a defender of C/C++ and have made clear the reason why C/C++ Web Application Interface such as qDecoder are needed inspite of such convenient tools as JSP. It will be our pleasure if qDecoder can help you when your development needs the characteristics of C/C++. And we will be satisfied if the lesson of free software is disseminated through qDecoder.

Inspected Compatible Platforms

qDecoder is developed and tested under below platforms..

License Agreement

qDecoder is a Free Software. And qDecoder is distributed under the GNU Lesser General Public License since the version of 6.0(May 8, 2000).

Free software is a matter of liberty(in other word, freedom), not price. So, the purpose of this License is to make a software free to assure everyone the effective freedom to copy and redistribute it, with or without modifying it, either commercially or non-commercially.

The GNU Project provides two principal licenses for libraries for Free Software. One is the GNU Lesser General Public License (Simply Lesser GPL or LGPL) and the other is the ordinary GNU General Public License (Simply GPL). Using the Lesser GPL permits use of the library in proprietary programs and using the ordinary GPL for a library makes it available only for free programs.

The GNU group advises not to use GNU Lesser GPL because it does less to protect the user's freedom than the ordinary GPL. It's right, Lesser GPL is not a strong copyleft license. But in case of qDecoder, permitting of linking with non-free modules can bring some kinds of other advantages to users. That's why qDecoder has been distributed under Lesser GPL.

SUMMARY: qDecoder is a Free Software and distributed under GNU Lesser General Public License. This is a free software license, but not a strong copyleft license, because it permits linking with non-free modules. It is compatible with the GNU GPL.

NOTE: It's very good idea to use one of GNU Licenses for your free software. It will protect your rights and future problems.

Copyright

qDecoder - Web Application Interface for C/C++   http://www.qDecoder.org

Copyright (C) 2007 Seung-young Kim.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with this program.  If not, see .

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