ng-validator | it is a very easy way | Form library
kandi X-RAY | ng-validator Summary
kandi X-RAY | ng-validator Summary
Angular (>= 2) validators. it is a very easy way to use and validate formControls, arrayControls and Files, this package gives support to input files for reactive forms
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of ng-validator
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ng-validator Examples and Code Snippets
Community Discussions
Trending Discussions on ng-validator
QUESTION
This is a beginner question. I'm working on a website that allows users to upload a video to a project model (via ModelForm) and I want to validate this file correctly. I originally declared the field in this way:
...ANSWER
Answered 2020-Oct-12 at 11:46In your example a function based validator is sufficient. If you ever need the advantages of OOP, classes and objects, then you should switch to a class based validator. Imagine the following very fictional source code:
QUESTION
I upgraded from Angular 9.17 to 9.19 and now ng build fails with the following error complaining about a variable declaration in both @types/node and zone.js:
ERROR in node_modules/@types/node/ts3.5/globals.global.d.ts:1:13 - error TS2403: Subsequent variable declarations must have the same type. Variable 'global' must be of type 'Global', but here has type 'Global & typeof globalThis'.
1 declare var global: NodeJS.Global & typeof globalThis; ~~~~~~
node_modules/zone.js/dist/zone.js.d.ts:600:13 600 declare var global: NodeJS.Global; ~~~~~~ 'global' was also declared here.
It was working fine before upgrading and now won't build. This was the only change.
Please help.
My package.json
...ANSWER
Answered 2020-May-28 at 12:19It seems that you need to wait for new version of @types/node package. Downgrade to 14.0.4 helped me in this case (for now).
QUESTION
I have an angular application that uses signalR. It is hosted in a .NET core 3.1 application. Since upgrading to Angular 9, signalR no longer works. Everything was working fine in Angular 8. Since update, I've been getting errors like
404 Error: Failed to complete negotiation with the server
Failed to start the connection
I am using MessagePackHubProtocol. In the package.json
file I have the following packages:
ANSWER
Answered 2020-Feb-23 at 16:50I managed to find what was wrong and get signalR working again. In my tsconfig.json file I had the following value in the "compilerOptions" section:
QUESTION
I have an Angular application that is hosted in a .net core 3.1 application. I upgraded from 8 to 9 following the official guide and now my application won't build. I get the following errors:
"Module not found: Error: Can't resolve '@angular/cdk/layout/breakpoints'", "Field 'browser' doesn't contain a valid alias configuration resolve as module looking for modules in No description file found Field 'browser' doesn't contain a valid alias configuration No description file found no extension Field 'browser' doesn't contain a valid alias configuration /@angular/cdk/layout/breakpoints doesn't exist .ts"
I get the same errors above for @angular/material/core/common-behaviors
, @angular/material/core/datetime
, and @angular/material/core/ripple
.
I've included all the files that I thought may be helpful. I've been trying to fix this for ages and have run out of ideas. This is very frustrating, Please help.
package.json:
...ANSWER
Answered 2020-Feb-10 at 01:54Try that:
- rollback all the changes
- remove
node_modules
folder npm i / yarn
npm install @angular/cli -g
ng update @angular/cli @angular/core --force
ng update --all --force
if you have angular material add
@angular/material
to the last command
if you want to see changes via git commits add--create-commits
QUESTION
I am trying to load plurals in the error text in my TextInputEditText
:
ANSWER
Answered 2018-Jul-17 at 23:31It should look like this:
QUESTION
I m trying to solve a hackerrank challenge:
Sample Input
...
ANSWER
Answered 2019-Jun-13 at 19:35This is having an issue because when your strings are concatenated in the eval()
statement you get something resembling q.isalnum()
when you really want 'q'.isalnum()
. The first one is using q
like a variable when you really want to call the method on the character 'q'
. Something like this:
QUESTION
Reading documentation: https://docs.jboss.org/hibernate/stable/validator/reference/en-US/html_single/#section-mapping-xml-constraints
I removed one long bean definition for brevity, then source looks like below. When executed, I get: Caused by: org.xml.sax.SAXParseException: cvc-elt.1: Cannot find the declaration of element 'constraint-mappings'.
Great, so there should be something wrong with schema or xml file.
But what. I never actually understood all that weird definition of namespaces. So first 3 http URLs leads nowhere and they probably serve some higher purpose, while the last one ending in xsd does exist and does define constraint-mappings
element. And whole document is, according to Intellij IDEA valid, which it is I believe. I if I try to corrupt it, then IntellijIDEA sees it. So I'd presume that it actually is valid. So why on earth spring produces given error on startup???
validation.xml file:
...ANSWER
Answered 2018-Oct-24 at 11:58validation.xml
file is dedicated to provide the configurations for validation factory. You could configure clock provider, additional value extractors etc. Also you can reference constraint-mapping files in there (the one that you have in your post). Here's a part of an example from the documentation:
QUESTION
I'm trying to use the Android library "Data Binding Validator by Ilhasoft" with Kotlin, but I'm getting this error: Unresolved reference: validate.
That is my root build.gradle:
...ANSWER
Answered 2017-Nov-18 at 17:49validate
is the id of the button in the example of the library.
You should use the id of the button, on which you want to validate. I think it is new_user_button
.
So with binding, it should be like newUserButton
.
So your full example will be like:
QUESTION
I want to validate a JSON string by using com.google.gson.JsonParser
. By this post, I know that JsonParser.parse()
is lenient enough to treat invalid abc as valid "abc". That is to say, JsonParser.parse()
will not throw a JsonSyntaxException
or JsonParseException
for the string below:
ANSWER
Answered 2017-Apr-21 at 13:32You should not use JsonParser
for a couple of reasons:
- It uses lenient
JsonReader
under the hood. - It creates a JSON document view in memory (
JsonElement
) that is definitely not a way to go for not small documents.
You can use JsonReader
safely:
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