Josh Watzman

# Where is the problem? The pages on shapes and dicts. # What is the problem? When to use a dict and when to use a shape is a question...

A few tweaks to reduce peak memory usage, the biggest being that if we aren't using the checkpoint cache, we shouldn't duplicate the model state dict just to immediately throw...

Revert "#342 #372 - Try to prevent caching of request"

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This reverts commit a5e38c43a24373cb893f2d5b23a6135b50a65f75. It's not entirely clear looking at the history, but it seems this was added to fix a suspected caching problem in #342. The RSS feed in...

See https://github.com/facebook/hhvm/issues/5378

Not valid strict Hack

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Hey! I'm an engineer working on Hack at Facebook. Super cool to see folks using it externally! It looks like you've forgotten to run the typechecker on your code. HHVM...

Make bindings generation dramatically faster

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This series of changes makes generation of the bindings dramatically faster, by fixing a number of issues around re-parsing things, re-doing expensive work, doing O(n) scans when O(1) lookups are...

Fix enums

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Not perfect -- enum values are interchangeable with each other and they shouldn't be -- but works better than what was here before. Ref #117

RFC: Rollup/SWC/etc plugin to parse queries at build time

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## Summary For many (most?) projects, the set of GraphQL queries is known at build time. This makes it rather unfortunate to need to include a GraphQL parser at runtime...

If you accidentally create a self-referential `DataLoader` load, the loader silently creates a loop of promises which never resolve. This is obviously a programmer error, but it can be pretty...

IntrospectionQuery fails when dataMasking is enabled

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**Intended outcome:** When I open the developer tools in my app and then go to the "explorer" tab, I get an error: > Schema Introspection Failure > We couldn't parse...