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events

Event handling and bind() behavior (e.g., Enter/Leave) in Tkinter.

ProgrammingTkinter Canvas create_window: Parent, Events, Rendering

Why parent embedded widgets to the Canvas with canvas.create_window? How proper parenting fixes tkinter events order, clipping, scrolling, rendering & geometry.

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WebBitrix sale.order.ajax: Persist API Recalculated Prices

Learn how to ensure external API recalculated prices persist to orders in custom bitrix:sale.order.ajax templates using OnSaleOrderBeforeSaved, OnSaleComponentOrderCreated events, RECREATE_ORDER flag, and server-side handlers for D7 Order/Basket.

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