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- Dictionaryrequired/rɪˈkwʌɪəd/
adjective
- 1. officially compulsory, or otherwise considered essential; indispensable: "eight editions were published, each required reading for trainees" Similar Opposite
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Oct 18, 2016 · 153. By default, fields in a model are optional unless you put them in the required list. Below is an example - id, category are optional fields, name is required. Note that required is not an attribute of fields, but an attribute of the object itself - it's a list of required properties. type: object. required: # List the required properties here.
Aug 4, 2015 · 20. On the contrary, it seems like "optional" was removed in proto3. Every field exists, and is filled in with a default value. You have no way of knowing if the primitive field was filled in by the user, or by default. Message fields, which are basically pointers, are optional, in that they can have a null value. – Vagrant.
Aug 9, 2017 · In other words, required means "property must be present", regardless of its value. The type, format, etc. of the property value are separate constraints that are evaluated separately from required, but together as a combined schema. In your example: {"id": ""} is valid: validates against required. the value "" validates against type: string.
Jun 21, 2019 · require () and define () both used to load dependencies.There is a major difference between these two method. Its very Simple Guys. Require (): Method is used to run immediate functionalities. define (): Method is used to define modules for use in multiple locations (reuse). answered Oct 9, 2016 at 13:46.
Jul 14, 2016 · Parameters can be required or optional depending on how they appear in the function definition: def myfunction(p1, p2, p3=False, p4=5) In this definition, parameters p1 and p2 are required. p3 is optional and will acquire the value False if not provided by the caller. p4 is also optional and will acquire the value 5 if not provided.
Nov 25, 2015 · require () and define () both used to load dependencies.There is a major difference between these two method. Its very Simple Guys. Require () : Method is used to run immediate functionalities. define () : Method is used to define modules for use in multiple locations (reuse). answered Oct 9, 2016 at 13:45.
Oct 24, 2021 · Yes, there's a difference in meaning between nil and default but you can't reflect that in protocol buffers. When you create a Protobuf message, it will include default values for any fields that you don't specify. When you receive a Protobuf message, it will include default values for any fields that weren't specified.
Mar 30, 2015 · If you are using NVM like this, which you likely should, then you can indicate the nodejs version required for given project in a git-tracked .nvmrc file: node --version > .nvmrc or:
Mar 6, 2017 · 279. Since protobuf release 3.15, proto3 supports using the optional keyword (just as in proto2) to give a scalar field presence information. syntax = "proto3"; message Foo {. int32 bar = 1; optional int32 baz = 2; } A has_baz() / hasBaz() method is generated for the optional field above, just as it was in proto2.
Jun 26, 2011 · The request has 25+ parameters, some of which are required and some optional. Rather than on the method calling the request having to loop through an array such as: required_props = ['prop1','prop2',....] I was hoping there was a way in Python of adding a required decorator to properties so I wouldn't have to keep track by hand. E.g.
