If PyTorch reports a double or float64 error on MPS, the immediate fix is to keep computations that require double precision on CPU. This guide separates dtype errors from unavailable MPS backends and unsupported operators, then shows how to test a float32 MPS path against a CPU reference before relying on it.
Raycast AI can be part of a desktop workflow on a remote Mac, but you should verify the functions you need, macOS permissions, and your chosen remote-access method before relying on it while traveling. This checklist follows the workflow from pre-trip planning through a full end-to-end test, with separate checks for AI tasks, screen context, and sync.
This guide helps Amazon sellers connect the Selling Partner plugin to Claude without treating a Mac as a requirement. Follow the setup timeline, review account permissions, verify access with a read-only question, and distinguish a waitlist from a connection problem.
You can use the #Playground macro to try a small piece of Swift in an existing Xcode source file and inspect its result in Canvas. This guide walks through the exercise, explains how it differs from a Playground file and SwiftUI Preview, and shows when you still need a full project build.
If you plan to keep editing, preserve an editable project copy and validate it on the Mac before treating the handoff as complete. This guide follows the file from iPad preparation through opening, editing, saving, and export checks, with separate guidance for source files and delivery files.
This guide is for developers whose App Store Connect build shows “Not Available for Testing.” It explains how to verify the profile and app identifier, distinguish other build statuses, and confirm that a replacement build is assigned to the right testers.
If you are starting a Flutter 3.44 iOS app, evaluate the Swift Package Manager path first. For an existing app, inventory plugins and build steps, then validate dependency resolution, builds, tests, and signing in an isolated Mac CI workflow before deciding whether to migrate.
Research teams do not need to migrate existing projects to the Xcode JSON format immediately. This guide helps individual maintainers, lab teams, and CI administrators check compatibility, run a controlled trial, and preserve a tested rollback path.
If you are learning Swift, you can begin with Swift Playgrounds on a compatible device; you do not need to buy a Mac just to start practicing. This guide helps students compare that route with a Mac running Xcode 27, check course and project requirements, and decide when a remote Mac may be useful.
Extract search debounce into a small state machine and test deadline edges, replacement and cancellation without waiting for real timers.
Use a runnable Swift script to test equality, Set replacement and dictionary lookup. Keep business identity separate from display fields and tenant-local IDs.
Build a repeatable Swift fixture for multipart uploads and check delimiters, boundary collisions, binary preservation, and filename injection.
First, check your setup and connection options
New technical guides will appear here, organised by month. In the meantime, compare all three plans or read the guide to getting connected for the first time.
Topic guides
New posts in the works
Topic guides will appear here, organised by month.