Description There are many ways to validate your TextBox. You can do this on every keystroke, at a later time, or on the Validating event. The Validating event gets fired if your TextBox looses focus. When the user clicks on a other Control, for example. If your set e.Cancel = true the TextBox doesn’t lose … Read more
The code for this should not interrupt the user’s action, but should instead wait until the user leaves the form field to check the input text for “http”. So use “onblur” instead of “onkeyup”. Then, just see if the string contains “http” using indexOf. If not, it will return -1, which is falsey. function checkURL … Read more
This worked well for me. Rather than grouping on this, create a proxy object that holds the properties you want validated. this.errors = ko.validation.group({ P1: this.P1, P2: this.P2, P3: this.P3 }); If you do this, consider using validatedObservable instead of group. Not only do you get the errors, but you can collectively check if all … Read more
Asuming you received a date in Javascript Date format you need Date.parse() function or compare by comparison operators. It will return the milliseconds that have passed since 01/01/1970 00:00 Somehow like this: if(Date.parse(datetimeStart) < Date.parse(datetimeEnd)){ //start is less than End }else{ //end is less than start } Here is a Fiddle
The title element is indeed required, but as Jukka Korpela notes, it also must be non-empty. Furthermore, the content model of the title element is: Text that is not inter-element whitespace. Therefore, having just a space character in the title element is not considered valid HTML. You can check this in W3C validator. So, an … Read more
Like you mentioned, when you validate the password in validate_password method using UserAttributeSimilarityValidator validator, you don’t have the user object. What I suggest that instead of doing field-level validation, you shall perform object-level validation by implementing validate method on the serializer: import sys from django.core import exceptions import django.contrib.auth.password_validation as validators class RegisterUserSerializer(serializers.ModelSerializer): # rest … Read more
SELECT STATEMENT_DIGEST_TEXT in MySQL 8.0 can be used for MySQL query syntax validation. 8.0.4>SELECT STATEMENT_DIGEST_TEXT(‘FLUSH TABLES’)\G STATEMENT_DIGEST_TEXT(‘FLUSH TABLES’): FLUSH TABLES 8.0.4>SELECT STATEMENT_DIGEST_TEXT(“SET GLOBAL second_cache.key_buffer_size=128*1024;”)\G STATEMENT_DIGEST_TEXT(“SET GLOBAL second_cache.key_buffer_size=128*1024;”): SET GLOBAL `second_cache` . `key_buffer_size` = ? * ? ; 8.0.4>SELECT STATEMENT_DIGEST_TEXT(“create TABLE t1 ( a2 int unsigned not null, b2 int unsigned not null, c2 int unsigned … Read more
To answer your 3th question first: No there is no easier way then what you are doing. Two lines of code to get it working can hardly be easier. Although there is a plug-in you could use, like explained in the question unobtrusive validation not working with dynamic content Your first question, how to centralize … Read more