Zhentiw - 博客园

2019年8月20日

[GraphQL] Query GraphQL Interface Types in GraphQL Playground

摘要： Interfaces are similar to Unions in that they provide a mechanism for dealing with different types of data. However, an interface is more suited for d 阅读全文

posted @ 2019-08-20 18:01 Zhentiw 阅读(235) 评论(0) 推荐(0)

[GraphQL] Reuse GraphQL Selection Sets with Fragments

摘要： Fragments are selection sets that can be used across multiple queries. They allow you to refactor redundant selection sets, and they are essential whe 阅读全文

posted @ 2019-08-20 17:42 Zhentiw 阅读(171) 评论(0) 推荐(0)

[GraphQL] Use an Input Type to Create an Account with a GraphQL Mutation

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posted @ 2019-08-20 02:56 Zhentiw 阅读(3) 评论(0) 推荐(0)

2019年8月19日

[Dart] final vs const

摘要： If we attempt to reset 'final' to a different value, we will get an error. The difference in practice between const and final is you use final when ce 阅读全文

posted @ 2019-08-19 20:19 Zhentiw 阅读(231) 评论(0) 推荐(0)

2019年8月16日

[GraphQL] Set variable and default value & alias

摘要： query($category:PetCategory=CAT, $status:PetStatus=AVAILABLE) { #availablePets is the alias availablePets:totalPets(status: AVAILABLE), #checkoutPets 阅读全文

posted @ 2019-08-16 22:08 Zhentiw 阅读(215) 评论(0) 推荐(0)

2019年8月15日

[GraphQL] Automatically poll data from GraphQL API with Apollo Client useQuery hook

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posted @ 2019-08-15 03:23 Zhentiw 阅读(3) 评论(0) 推荐(0)

[GraphQL] Fetch data with Apollo GraphQL useQuery hook

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posted @ 2019-08-15 03:17 Zhentiw 阅读(2) 评论(0) 推荐(0)

[Algorithm] Validate a BST

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posted @ 2019-08-15 02:53 Zhentiw 阅读(4) 评论(0) 推荐(0)

[React] Pass Data Between React Components with the useContext Hook