What does the @Valid annotation indicate in Spring?
Aug 29, 2010 · IIRC @Valid isn't a Spring annotation but a JSR-303 annotation (which is the Bean Validation standard). What it does is it basically checks if the data that you send to the method …
How can I check if a string is a valid number?
Often, a 'valid number' means a Javascript number excluding NaN and Infinity, ie a 'finite number'. To check the numerical validity of a value (from an external source for example), you can …
html - What characters are valid in a URL? - Stack Overflow
There's what's technically a valid URL and what's actually used as a URL today. Only 25% of the internet is even written in English. #2 and #4 languages are Chinese and Arabic.
java - "PKIX path building failed" and "unable to find valid ...
Jan 12, 2014 · sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target While some of the other answers are appropriate and …
What are the valid characters that can show up in a URL host?
Jul 29, 2015 · Please see Restrictions on valid host names: Hostnames are composed of series of labels concatenated with dots, as are all domain names 1. For example, "en.wikipedia.org" is a …
How to check whether a string is a valid HTTP URL?
There are the Uri.IsWellFormedUriString and Uri.TryCreate methods, but they seem to return true for file paths, etc. How do I check whether a string is a valid (not necessarily active) HTTP …
What characters are allowed in an email address? - Stack Overflow
Jan 12, 2010 · The changes in this spec essentially added international characters as valid alphanumeric characters (atext) without affecting the rules on allowed & restricted special …
java - Unable to find valid certification path to requested target ...
Feb 9, 2012 · I have a Java client trying to access a server with a self-signed certificate. When I try to Post to the server, I get the following error: unable to find valid certification path to …
regex - Validating IPv4 addresses with regexp - Stack Overflow
Following are the rules defining the valid combinations in each number of an IP address: Any one- or two-digit number. Any three-digit number beginning with 1. Any three-digit number …
How to check that a uri string is valid - Stack Overflow
How do you check that a uri string is valid (that you can feed it to the Uri constructor)? So far I only have the following but for obvious reasons I'd prefer a less brute way: Boolean IsVali...