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Advanced File Processing Techniques: Using Chunks for Handling Large Files

A recent blog post, A Beginner’s Guide to Handling Text Files in Xojo, covered the basics of text file handling in Xojo. This post delves into advanced techniques for reading and writing large files in chunks. This method is crucial for managing large datasets efficiently, minimizing memory usage, and maintaining application performance.

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Avoiding Memory Leaks with WeakRef

This is not that common of an issue, but it happens – when searching for memory leaks, remember to check any cross-referenced objects. Cross-referenced objects are, well, just that, objects that need to reference each other. For example, when “ClassA” needs to know about “ClassB”, and “ClassB” needs to know about “ClassA”. Continue reading to see how this can cause memory leaks in your projects and how to use Xojo’s WeakRef to fix it.

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Popovers for Xojo Desktop, Web and iOS

Starting with Xojo 2024r1 there’s a new Window type in Xojo’s UI/UX bag: Popovers. Popovers are kind of a Modal window with a more transient behavior and associated with a Parent control. A Popover will display the chosen content or layout, the same as when you design the user interface of a window or a Container control that will be included as part of another more complex design or displayed at runtime.

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Apple’s New Privacy Manifest Requirements

Apple is introducing a privacy policy that requires the inclusion of a privacy manifest file in new and updated apps created for iOS, iPadOS, tvOS and VisionOS distributed through the AppStore. Obviously, this impacts the iOS and iPadOS apps created with Xojo that you intend to update or submit and distribute through the Apple AppStore.

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Get Started with Xojo Lite for Only $99

Xojo Lite is designed to introduce new users to developing and building apps with Xojo. Usually $149, Xojo Lite is only $99 for a limited time.* A great way to build your first apps, Xojo Lite lets you build unlimited apps for a single platform for only $99. Build your apps for any single desktop platform, using the current Xojo release and all releases for the next 12 months.

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