radio-button

问题 I need to retrieve the value of Radiobutton clicked and then use this value . What is the way to retrieve the value of a Radiobutton clicked ? the code to setup the Radiobutton is: radio_uno = Radiobutton(Main,text='Config1', value=1,variable = 1) radio_uno.pack(anchor=W,side=TOP,padx=3,pady=3) radio_due = Radiobutton(Main,text='Config2', value=2,variable =1) radio_due.pack(anchor=W,side=TOP,padx=3,pady=3) radio_tre = Radiobutton(Main,text='Config3', value=3,variable = 1) radio_tre.pack

问题 I made a RecyclerView that shows 32 question and 4 answers as RadioButton s. When I click a single radio button, it works, and I show a toast when it is checked. But when I scroll the RecyclerView`, it shows toasts like I checked a radio button. How do I fix it? My adapter: public class sikapadapter extends RecyclerView.Adapter<sikapadapter.ViewHolder> { private int[] integer; String option[]; private OnRadioChangeListener onRadioChangeListener; public sikapadapter(String[] option,

问题 I'm creating a menu in Tkinter. After my menu has been created I'd like to be able to change the label of the radiobutton. Something similar to the .configure method. How do I go about this? I want to be able to change the radiobuttons text from "Hello" to "Hello!". Snippet: self.B3Me = Tkinter.Menu(self, tearoff=0, activebackground='grey15', activeforeground='grey95') self.B3MeVar = Tkinter.StringVar() self.B3Me.add_radiobutton(label='Hello', variable=self.B3MeVar, command=self.B3_menu_beh)

问题 I'm creating a menu in Tkinter. After my menu has been created I'd like to be able to change the label of the radiobutton. Something similar to the .configure method. How do I go about this? I want to be able to change the radiobuttons text from "Hello" to "Hello!". Snippet: self.B3Me = Tkinter.Menu(self, tearoff=0, activebackground='grey15', activeforeground='grey95') self.B3MeVar = Tkinter.StringVar() self.B3Me.add_radiobutton(label='Hello', variable=self.B3MeVar, command=self.B3_menu_beh)

问题 Is it possible to do something like this to check if radio form is unchecked: if !($(this).find("input:checked")) {} what would be the correct syntax? 回答1: Try this: $(this).find("input:not(:checked)") 回答2: Try this instead bc .find returns an array of DOM elements: if ($(this).find("input:checked").length == 0) {} 回答3: You can use .is for boolean test if (!$(this).find('input').is(':checked')) { } 回答4: First of all, you'll want that ! inside the conditional check: if (!$(this).find("input

问题 Is it possible to do something like this to check if radio form is unchecked: if !($(this).find("input:checked")) {} what would be the correct syntax? 回答1: Try this: $(this).find("input:not(:checked)") 回答2: Try this instead bc .find returns an array of DOM elements: if ($(this).find("input:checked").length == 0) {} 回答3: You can use .is for boolean test if (!$(this).find('input').is(':checked')) { } 回答4: First of all, you'll want that ! inside the conditional check: if (!$(this).find("input

问题 How can I send a radio or checkbox value to the $_POST array even when the field is empty? <?php if(isset($_POST)) { echo '<pre>'; print_r($_POST); echo '</pre>'; } ?> <form action="test.php" method="POST"> <input type="text" name="name"> <input type="text" name="email"> <input type="radio" name="gender"> <input type="submit"> </form> Here is what I get from the page if I hit submit without even filling out data. Array ( [name] => [email] => ) As you see, without touching the input type text,

问题 I'm new to Angular and Implementing a Quiz containing multiple MCQs. But I am having trouble in radio button selection. My Questions are coming from the database and Options too. mcq.component.html <form (ngSubmit)="ff.form.valid && answer(ff)" #ff="ngForm"> <div *ngFor="let question of questions"> <p style="font-size: 25px;">{{question.title}}</p> <div *ngFor="let option of question.options"> <input [(ngModel)]="option_model.selected_option_id" #selected_option_id="ngModel" type="radio"

问题 I'm having trouble with two things: Hide circles of mat-radio-group Change p tag background to blue if checked I've tried using ::ng-deep to override css properties and change colors to white, tried to configure invisibility:hidden but none worked. Also, I tried to use ngStyle to configure that the background color of p tag will be blue if checked but it didn't work. This is the HTML: <div class="container-fluid"> <header class="lesson-heading" *ngIf="currentQuestion"> <span class="title"><

问题 I just want to change the default check value in radio button to what is the user selected value.Because whenever i try it still display in console log the default checked and not the one who is check. i want to change default checked to what user selected in HTML. Can anyone help me? im just really a newbie. Any help would be appreciated. Thank you.Here is the code. CSS: html, body { font: 400 small-caps 16px/1.25 Arial; } fieldset { width: fit-content; padding: 0; } legend { font-size: 1rem