1. I did use Qt resource system. I follow the directions to add the png (run.png) into sub-directory /image under my source code directory (for example plot). I could use Qt "Open file" to open /plot/image/run.png. And from windows explorer, the png file is physically in /plot/image directory.
So your project has a resource file called "something.qrc" with entries like
<RCC>
<qresource prefix="/">
<file>plot/image/run.png</file>
</qresource>
</RCC>
<RCC>
<qresource prefix="/">
<file>plot/image/run.png</file>
</qresource>
</RCC>
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And you have opened and used a file called ":/plot/image.run.png" (Note the colon ":" in the path) from the resources not the local file system.
Or maybe I should have asked: is ChartDirector free?
Maybe you should ask the creators of ChartDirector whether they want to be paid.
I downloaded gcc-4.8.2.tar.bz2. Should I go ahead to "install" it or I need have something else like Pre-requesties
You need to build it after configuring it with
./configure --prefix ${HOME}/gcc --enable-languages=c,c++
./configure --prefix ${HOME}/gcc --enable-languages=c,c++
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or similar. See http://gcc.gnu.org/install/ for prerequisites. It will not configure if they are missing.
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