Corbin Dunn
Redwood Monkey

All posts in April, 2014

NSTableView Tips: Doing Animations with Core Data

For my “Cyr Wheel Pattern Editor” app I am using CoreData and an NSTableView. However, I’m sort of “manually” doing bindings for the array content itself to get animations in the View Based NSTableView. Here’s... [read more]
Cocoa, Coding

NSTableView Tips: View Controller per row

Sometimes you may find your application has rather complex rows, and you want an NSViewController to manage each row in a “View Based” NSTableView. This is fairly easy to do, and I did it in... [read more]
Cocoa, Coding

NSTableView Tips: Not delaying the first responder

I have a little home-brew Cocoa app for making Cyr Wheel patterns. The UI is built with an NSTableView and looks like this: Now normally when you try to directly click on one of the... [read more]
Cocoa, Coding
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How to make a cyr wheel: Insert detail

Here’s some details on my cyr wheel inserts that I make (aka: roue cyr):
Circus/Cyr Wheel
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Implementing delete in an NSTableView

I’ve seen many ways to implement delete in an NSTableView. Many are good. Many hardcode references to something they shouldn’t, and those are bad. Here’s an easy way: Subclass NSTableView and override keyDown: - (void)keyDown:(NSEvent... [read more]
Cocoa, Coding
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LED Cyr Wheel: compass/accelerometer

The next step for my project is to add 3d position support by determining what angle and how fast the wheel is spinning at any given moment. The chip is in the wheel; I just... [read more]
Circus/Cyr Wheel

Flower Market

India, Flower Market Kolkata
Photography

Photography: India, Fruit delivery

India, Fruit delivery This guy didn’t look too happy, but I took his picture as he was walking by on the road. India, February 2014.
Photography
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LED Cyr Wheel: Longer video

Another slightly longer video from last weekend. I have about 3 or so hours on it, and it seems to be holding up well!
Circus/Cyr Wheel
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LED Cyr Wheel v2: Test Video

Some quick test footage from last week; I used the wheel for the first time last Friday for an event put on at the Exploratorium by Velocity Circus. It works AWESOME!   EDIT (2/24/15). Check... [read more]
Circus/Cyr Wheel
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How to build a Cyr wheel or roue cyr: materials needed

A lot of people email me asking what materials to use for building cyr wheels (also known as a roue cyr, rouè cyr, or simple wheel). I like “thick” wheels (also known as a “fat... [read more]
Circus/Cyr Wheel

(c) 2008-2018 Corbin Dunn

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