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Live Programming Quartz with Objective-Smalltalk

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Published on Feb 7, 2014

A quick demonstration of Live Programming with Objective-Smalltalk (http://objective.st). I create a simple red round badge with a white x inside and rounded line-ends with Apple's CoreGraphics/Quartz API using the MPWDrawingContext (https://github.com/mpw/MPWDrawingContext) wrapper.

Note how the screen is updated as I type without having to pause or hit additional buttons.

If the program is currently incorrect, an error message appears in the console view at the bottom at the screen and the most likely source of the error is highlighted in faint yellow in the code pane.

These hints do not interfere with coding.

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