Builder Questions

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Esc and Enter keys in Cocoa dialog

How can i dismiss dialog in cocoa application when user presses esc or enter key? i have ok button, is it possible to make it default button?

How to remove empty categories?

I have a two scenarios to solve :) let's say i built plugin (with builder) where i have products and categories. now on page with

Nested XML to flat JSON using groovy

I am still new to groovy. i need to create a flat json file from a nested xml file. i am having a hard time accessing the header fields when i try
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how to run mysql query in Laravel

I want to transform my mysql query into a query in laravel but i really don't know how to do this. i don't know how to rename in from like in
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how to use Builder Pattern?

I'm creating a view entend framelayout now that has about 10 parameters. i was thinking about using the builder pattern, similar to how
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