Which @NotNull Java annotation should I use?

I'm looking to make my code more readable as well as use tooling like IDE code inspection and/or static code analysis (FindBugs and Sonar) to avoid NullPointerExceptions. Many of the tools seem...

PHP - setcookie(); not working

I've made a login, that sets a cookie with a value of the imputed email address, so in the global.php file, it stores an array of the users data using: $email = $_COOKIE["PeopleHub"]; ...

Formatting DateTime in model to Date only in View

I am using ASP.NET MVC 5. I have a date only picker in my create and edit form. In create form, its working just fine. But in edit form, it loads previously saved DateTime as dd-MM-yyyy hh:mm:ss....

Preselecting value in select2

Texbox is dynamically filled with a remote call using Select2 and how do I set preselected value. Here is the code <input type="hidden" id="e6"> $("#e6").select2({ placeholder: "Search for a...

MySQL IFNULL() with multiple tables isn't working

I'm using this query in my code, but it doesn't give me a result $query = sprintf("SELECT s.day, s.hour, h.name hostName FROM schedule s, host h WHERE dag IN...

How can I make a button resize responsively to the window size?

I've made this very simple form with an image as the button. Is there a way to make the button resize responsively to the window size, in a similar manner to input - i.e. the button becomes...

How to send data in json format in jquery ajax for restfull web services

I am sending the json format data in jquery ajax for restful web services but It is not sending. I am new in web technology, so please help me. I write the script for sending the JSON data using...

reCAPTCHA and PHP to send an Email Form

I'm using GoDaddy as my web server. I'm trying to implement reCAPTCHA into my email form for my website, however it seems to not be able to work. That is, I pass the reCAPTCHA test but the email...

Can't get md-autocomplete to display on the page as it does in the angular-material example

I've been able to hook up angular materials autocomplete directive up to my data source and to display the information that I want, however I am unable to make the list of results display in the...

hide placeholder with css

I'm working with a responsive theme. And I'm facing the input form problem here. In the desktop view, the input will not have placeholder but have label. However, when it comes to the mobile view,...

Setting the Focus to an Entry in Xamarin.Forms

This is just a simplified example, but I'm trying to set this up so that when I open up this page in my Application, the first thing that happens is the keyboard pops up ready for the user to type...

UrlGenerationException (Missing required parameters for [Route])

I don't know where this error came from it says. I got this error when I tried to update my records. It works properly and updating into my database but getting this error. It says that that...

Angular 5 Button Submit On Enter Key Press

I have an Angular 5 form application using all the usual models but on the forms I want the form to submit without having to physically click on the 'Submit' button. I know it's normally as easy...

POST method to send form data with AJAX without JQUERY

I have a script in js that sends the form data from one page to the server and it works well with a Jquery function but I would like to be able to do it without the use of Jquery. When I try...

Why won't my placeholder show up properly? (react-native-datepicker)

I'm having a really hard time getting a placeholder to show up properly in this datepicker package I'm using for react native... Here's how I have the component setup: The _onDateChange...

Unable to get focus on Textbox when bootstrap modal popup opens

Hii I want to get focus on input textbox when the bootstrap modal popup opens <div class="modal fade nopading" id="myModalpop" role="dialog"> <div class="model-area"> <!-- Modal...

How to use Vuelidate to show errors only when user is finished with input

I have the following form built with Bootstrap-Vue, which has a bit of Vuelidation code applied to it. <b-form @submit.prevent="onSubmit"> <input type="hidden" name="_token" :value="csrf"...

align matSuffix content with a text inside mat-form-field input

I have a mat-form-field with <span>💡</span> as a matSuffix <mat-form-field appearance="outline"> <input matInput placeholder="Details" name="details" required /> <span...

Uncaught (in promise): Error: Export of name 'ngForm' not found

I am trying to use ngModel to do data binding, however, I get an error ngForm not found. I have already included formsmodule in app.module.ts as you can see below. The error disappears when i...

How to display picked image in a circle avatar in Flutter?

I have the following code which launches the image picker to select image from gallery. File _image; final picker = ImagePicker(); Future getImage() async { final pickedFile = await...

Redux State Problem : TypeError: undefined is not an object

I am new to react native and redux especialy and I got an error message that I really struggle to deal with. This is the error im getting TypeError: undefined is not an object (evaluating...

Ignoring header X-Firebase-Locale because its value was null

I'm currently doing a project on Android Studio and I'm using the sign in authentication. It works sometimes but sometimes it doesn't with the error "Ignoring header X-Firebase-Locale because its...

Failed to build iOS project. We ran "xcodebuild" command but it exited with error code 65

I am new in react native development. I am using new MacBook Air (M1, 2020) with M1 chip. I have Installed the dependency below: Node = v14.15.3 Npm = 6.14.9 Homebrew = 2.7.0 react-native-cli:...

How to set focus on a custom filter dialog in ag-grid react?

We're developing a grid that will be used with screen readers. So far ag-grid is pretty accessible, but one issue is setting the focus on a custom filter when it's opened. (Note, the built in...

How to dismiss keyboard after search in react js?

how to dismiss keyboard after search in mobile using react js ? i want to dismiss keyboard in mobile for responsive design after search. i use onFocus and onBlur but it didn't work at all. my...

isInvalid prop isn't highlighting the input box red - react-bootstrap form

I am using React along with react-bootstrap for creating forms. I have a form with an email field like this - Code - <Form noValidate autoComplete="off" validated={this.state.validated} ...

How to install Boost.Python using homebrew (on OSX)?

I'm trying to install Robot Operating System (ROS) Melodic on my mac (macOS 11.5.1). While compiling cv_bridge package, the compiler spit out an error related to the Boost.Python: $...

Pass array as attribute in blade custom component

I have defied a generic input component in Laravel like this: //file: views/components/input.balde.php <input @foreach ($attrs as $attr=>$val) {{ $attr }} = "{{ $val }}" ...

Change CSS of a website with Chrome Extension - Some styles can't be changed

I have a working Chrome Extension that will give me an injected stylesheet on the webpage I want but there are some styles I can not seem to overwrite. For example, looking at the current Google...

MUI v5 + Storybook: Theme and font family do not work in storybook

I am facing an issue where the MUI theme works in codesandbox but not in storybook Demo to show it working WITHOUT...