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Does anyone have a Gnome GDK example code or tutorials?
I know that this is getting annoying, considering so many people ask this but I've tried and tried finding a Gnome GDK tutorial, for like an hour or so and I still don't have any luck, I'm using only C programming language, thank you.
Probably you have stumbled over the GDK Reference Manual already but did not scroll down far enough to realize that there are actually many examples in there:
https://developer.gnome.org/gdk/2.22/
E.g. click on windows then scroll down to example 7.
113 line tutorial right there, hope this helps.
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I'm having a difficult time understanding its tutorials.
Either they are too advanced or do not work
If you are an advanced user, please tell me how you started off.
Derick Bailey has a blog post on this, although it's a bit old: http://lostechies.com/derickbailey/2011/09/13/resources-for-and-how-i-learned-backbone-js/
They way I started (although with Marionette which is built on top of Backbone) was to create some small projects to see how the various parts worked together: http://davidsulc.com/blog/category/backbone-js/backbone-marionette/
To help other people along, I then wrote a book that builds a non-trivial application step by step: http://davidsulc.github.io/marionette-gentle-introduction/#contacts
If you learn best by digging in source code, you can see it here: https://github.com/davidsulc/marionette-gentle-introduction
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I need to encrypt a char* string in C using blowfish or twofish in Windows.
I can't find a straight forward solution for that.
I don't want to install something like OpenSSL; I need it be a standalone as possible.
Unfortunately Googling for C code results in C# and C++ code.
Can anyone give me a straightforward function for encryption/decryption?
Have you taken a look at "https://www.schneier.com/twofish-download.html" on Bruce Schneier web site? He has reference implementations, as well as optimized implementations of the algorithm. It's been a few years since I looked at it, but you might find it useful.
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I've looked for a lot of sites but didn't find any examples by glib. I've seen only discription types and functions...
Perhaps do you know a good source?
PS. Thanks for your answers! =)
Here's a tutorial, a little old but still applicable: http://www.ibm.com/developerworks/linux/tutorials/l-glib/
Here's a tutorial on the GObject part of GLib: http://www.arbingersys.com/2009/07/missing-gobject-tutorial-sample.html
Also check out the excellent book 'Foundations of GTK Development' by Andrew Krause, it has a chapter on GLib: http://www.gtkbook.com/
The tests from the glib source code may be usefull!You should try those!
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I'm looking for some library that will allow me to identify black dots on a white background. Preferably in C or objective-c.
Also, what keywords can I use in my search for such algorithms? I've found a lot of stuff about image recognition but nothing that ressembles what I'm looking for.
thanks!
I think there is a possibility to use OpenCV in obj-c
The general API can be found at: http://opencv.willowgarage.com/
OpenCV vs. Apple iPhone article shows 2 approaches to get OpenCV on iPhone, may be what you're looking for.
You can try imagemagick.
http://www.imagemagick.org/
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I need to do some work with this library and I'm finding the documentation at http://apodeline.free.fr/DOC/libjpeg/libjpeg.html to be deficient (incomplete function signatures, etc). Does anyone know of some other sides or have some example code illustrating common tasks?
[Edit]
I also found this question with an example, but any others would be helpful.
Try using libjpeg library. Example how to use it is in this blog.
I don't know what you're using, but we use the C++ wrapper at Smaller Animals Software, and we're happy with it. If nothing else, it might work as example code.