Recent questions tagged Promise

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promise - Firestore transaction produces console error: FAILED_PRECONDITION: the stored version does not match the required base version

I have written a bit of code that allows a user to upvote / downvote recipes in a manner similar to Reddit. ... Promise.resolve(true); }); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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promise - How would one do async JavaScript getters and setters?

Think of how Rails, e.g. allows you to define a property as associated with another: class Customer < ... do we implement async getters? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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promise - In cloud code, call a Parse.Cloud.run function more than once in series

Say you have a "define" Parse.com cloud code function... Parse.Cloud.define("exampleDefineFunction", function(request ... Can this be done? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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promise - jQuery: execute array of functions sequentially (both deferreds and non-deferreds)

I am fairly new to using Promises and have a hard time of wrapping my head around jQuery deferreds. What I currently ... .then(queue.shift()); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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694 views

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promise - AngularJS $q. Deferred queue

I have array (f.e. it is queue of files): [{deferred: fileDef, data: file}, {...}, ...] Each fileDef ... But it seems bad. How to write better? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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816 views

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promise - JavaScript array .reduce with async/await

Seem to be having some issues incorporating async/await with .reduce(), like so: const data = await bodies.reduce( ... that apply to .reduce()? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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