
Why were `required` and `optional` removed in Protocol Buffers 3?
I noticed that required and optional have been removed in the new syntax. Why were required / optional removed in proto3? Such keywords introduce constraints which should improve …
html - required or required = "required" - Stack Overflow
Sep 24, 2013 · Required This attribute specifies that the user must fill in a value before submitting a form. It cannot be used when the type attribute is hidden, image, or a button type (submit, …
validation - How to Indicate Required Fields? - Stack Overflow
Source: Form fields — Required vs Optional by Jordane Sanson Why use optional fields is always better than required : An asterisk is obvious to you, not to everyone, believe me, there are …
.net - required vs [Required] in C# 11 - Stack Overflow
Mar 30, 2023 · Agreed. [Required] is for data validation and in many cases work with ef, and required keyword is c# general.
Use CSS to automatically add 'required field' asterisk to form inputs
What you need is :required selector - it will select all fields with 'required' attribute (so no need to add any additional classes). Then - style inputs according to your needs.
How to use the "required" attribute with a "radio" input field
1023 TL;DR: Set the required attribute for at least one input of the radio group. Setting required for all inputs is more clear, but not necessary (unless dynamically generating radio-buttons). …
How to set HTML5 required attribute in Javascript?
edName.attributes.required = [object Attr] That's because required in that code is an attribute object, not a string; attributes is a NamedNodeMap whose values are Attr objects. To get the …
How to specify if a field is optional or required in …
Oct 18, 2016 · 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 …
Argparse: Required arguments listed under "optional arguments"?
Note: Required options are generally considered bad form because users expect options to be optional, and thus they should be avoided when possible. That being said, the headers …
html - textarea's "required" attribute doesn't work even though …
Jul 2, 2024 · Incorrect. required attribute is a boolean value. If it exists, the textarea will be required to fill in. Therefore, the behavior of required is equal to required="required"