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Sockets - Bidirectional Communication IPv4/6 (terminal version)

Posted 01-17-2013 at 08:54 PM by rainbowsally

Tags computer mad science, mc2, simple c, sockets

Sockets - Bidirectional Communication IPv4/6 (terminal version)

Today's features:

More fun with sockets.
Bidirectional communication using IPv4 and IPv6 socket streams (sequential).
Interactive. (Only interprets one command, but it's easily expandable.)
Terminal version for broader usefulness.

[Note the addresses in this and the previous sockets experiments (here http://www.linuxquestions.org/questi...example-35270/)...

rainbowsally

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Sockets - UDP RX (recieve/transmit) terminal example

Posted 01-17-2013 at 06:15 PM by rainbowsally
Updated 01-17-2013 at 06:16 PM by rainbowsally

Tags computer mad science, mc2, simple c, sockets

Sockets - UDP RX (recieve/transmit) terminal example
Today's feature:

A UDP file server and client using linux sockets.
A terminal app for those who don't have libLQ-qt and mc2.

[This is for our LQ-less friends. A libLQ version using a qt gui but NOT qt sockets should be forthcoming shortly.]

This upload is pushing the size limit but it's interesting to see how the broadcast channel is set up (in inc/broadcast-rx.c) and how the parts of the files are picked up...

rainbowsally

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mini-term in qt4

Posted 01-17-2013 at 03:34 AM by rainbowsally
Updated 08-06-2014 at 07:58 AM by rainbowsally

Tags c++, compiling, computer mad science, qt4

mini-term in qt4.

Today's features:

A simple terminal-like application built from a qt4 class that can be used for other stuff too.
The present application can run shell commands and has copy/paste (ctrl-c, ctrl-v) capabilitity.
Another example of the Windows-like api so that C/C++ code can run in Qt4.
Runs the custom code (terminal in this case) inside a QT 'exec' loop... sorta. We call it 'run()'.

Screenshot:
http://rainbowsally.org/rainbowsally...iterm-test.png...

rainbowsally

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QT4 -- Having trouble with qInitResouces_<appname>() ?

Posted 01-14-2013 at 03:46 AM by rainbowsally
Updated 01-14-2013 at 04:01 AM by rainbowsally

Tags c++, compiling, computer mad science, qt4

Having trouble with qInitResouces_<appname>()?

Try this.

Code:

#ifdef Q_INIT_RESOURCE
#undef Q_INIT_RESOURCE
#endif

#define Q_INIT_RESOURCE(name) extern void qInitResources_##name()

The version of this macro in qglobal.h could never have ever worked.

If you enjoy digging into the low level stuff, I think you'll be amused by the context of this bug. ;-)

- The Computer Mad Science Team...

rainbowsally

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Simple C example for beginners and bug fix for libLQ-qt version 3.0.x

Posted 01-13-2013 at 06:57 PM by rainbowsally

Tags mc2, parser, simple c

Simple C example for beginners and bug fix for libLQ-qt version 3.0.x

[v.3.0 (mc2 and libLQ) will no longer be the current version(s) but it still works and we have a bug fix here that applies to all 3.0.x versions.]

Today's feature:

A simple C/C++ example.
A converter from relative paths to absolute.
A bug fix for the libLQ-qt/mc2 3.0 d/load.

While 'canonicalize_file_name()' is great for paths that don't have macros in them, and for dereferencing symlinks,...

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