What is optimal HTTP response Code when not reporting 200 (everything OK) but error in input? Like, you submit some data to server, and it will response that your data is wrong using 500 looks more like Server Issue using 200 with warning/error response text is bad (allowing caching and everything is not OK) using … Read more
I’m using an ‘&‘ symbol with HTML5 and UTF-8 in my site’s <title>. Google shows the ampersand fine on its SERPs, as do all the browsers in their titles. http://validator.w3.org is giving me this: & did not start a character reference. (& probably should have been escaped as &.) Do I really need to do … Read more
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed 4 years ago. Locked. This question and its answers are locked because the question is off-topic but has historical significance. It is not currently accepting … Read more
Is there an implementation of (or third-party implementation for) cross field validation in Hibernate Validator 4.x? If not, what is the cleanest way to implement a cross field validator? As an example, how can you use the API to validate two bean properties are equal (such as validating a password field matches the password verify … Read more
I am working on a login form and if the user enters invalid credentials we want to mark both the email and password fields as invalid and display a message that says the login failed. How do I go about setting these fields to be invalid from an observable callback? Template: <form #loginForm=”ngForm” (ngSubmit)=”login(loginForm)” id=”loginForm”> … Read more
I’m currently returning 401 Unauthorized whenever I encounter a validation failure in my Django/Piston based REST API application. Having had a look at the HTTP Status Code Registry I’m not convinced that this is an appropriate code for a validation failure, what do y’all recommend? 400 Bad Request 401 Unauthorized 403 Forbidden 405 Method Not … Read more
In my forms, I’d like to use the new HTML5 form types, for example <input type=”url” /> (more info about the types here). The problem is that Chrome wants to be super helpful and validate these elements for me, except that it sucks at it. If it fails the built-in validation, there’s no message or … Read more
Which characters make a URL invalid? Are these valid URLs? example.com/file[/].html http://example.com/file[/].html 10 s 10 In general URIs as defined by RFC 3986 (see Section 2: Characters) may contain any of the following 84 characters: ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~:/?#[]@!$&'()*+,;= Note that this list doesn’t state where in the URI these characters may occur. Any other character needs to … Read more
What is the maximum length of a valid email address? Is it defined by any standard? 8 s 8 An email address must not exceed 254 characters. This was accepted by the IETF following submitted erratum. A full diagnosis of any given address is available online. The original version of RFC 3696 described 320 as … Read more
