dropdown

问题 I need help getting two values (for human friendly dropdown) in a key-value pair using find or get or anything else. I need help with the simplest method of doing this in CakePHP. Here's my attempt: in my controller $users = $this->LocationsUser->Users->find('list', [ 'limit' => 1, 'keyField' => 'id', 'valueField' => ['first_name', 'last_name'] ])->where(['id' => $id]); In my view echo $this->Form->input('user_id', [ 'options' => $users, 'type' => 'select', 'multiple' => false, ]); The result

问题 How to Create this type of tableview in iOS?? Here, If we tap on 1st row 'Account', then automatically it scrolled with some more rows which is showing in Image. And if again we tap on Account, then that view will be hidden. 回答1: You could easily set up a cell to LOOK like a header, and setup the tableView: didSelectRowAtIndexPath to expand or collapse the section it is within manually. If I'd store an array of booleans corresponding the the "expended" value of each of your sections. You

问题 I am using Select2 drop down and I need to do some functionalities based on the the drop down selection. I have tried the following code, but it didn't worked for me. $eventSelect.on("select2:select", function (e) { log("select2:select", e); }); $eventSelect.on("change", function (e) { log("change"); }); Can anyone tell me how can I make this work? 回答1: I am using select2 version 3.3.2 and the following code is working for me $("#id").on("change", function () { debugger; }); 回答2: You can try

问题 I have a select drop down where in i need to populate the selected value from API and the other options are hardcoded. On select of an option , I need to populate it along with the icon. After selection , the color of the option selected should be in blue color ( both text and icon ) with a tick mark besides it. How can i achieve this. Above image shows the pre population of data ( both text and icon )from API. Above image shows on click of a drop down, a tick mark is shown with change in

问题 I am open this based from my question in my own comment from Static page dropdown within static page in OctoberCMS. I have problem when adding $pageList->getPageTree(true). The child pages did not display. My current code is repeating foreach from $pageObject->subpages which is not a good practice. Below here is my code example: Plugin.php <?php namespace MyPlugin\CustomPlugin use System\Classes\PluginBase; public function boot() { \RainLab\Pages\Classes\Page::extend(function($model) { $model

问题 I have a form containing a dropdown. Depending on the selection made in the dropdown, multiple fields should appear or hide. The jquery function, I have written, works only for one fields. If I select no in the dropdown only the title what is hidden the rest stays. I don't quite understand why. I could solve this by giving each field id another name (for example showing1, showing2, ...) and refer to this id in the function but that is a lot of repetition. Shouldn't there be a better way? Link

问题 Following the guide: https://www.primefaces.org/primeng/ I have tried to install PrimeNG to use with Angular4, following the steps detailed above, but I get the error: 'p-dropdown' is not a known element: I tried to rebuild the projects, as suggested in other posts, but it did not work for me. Any hints? Here are all the details: -- PrimeNg Installation npm install primeng --save -- file: testdropdown.component.html <p-dropdown [options]="cities" [(ngModel)]="selectedCity"></p-dropdown> --

问题 Thanks to furas I have the following code for ListBox: import tkinter as tk def on_button(): # for i, var in enumerate(o_vars): # print('OptionMenu {}: {}'.format(i, var.get())) # print() print('ListBox:', l.curselection()) for i in l.curselection(): print('option:', OPTIONS[i]) print() # --- main --- OPTIONS = ["Script 1","Script 2","Script 3","Script 4","Script 5"] root = tk.Tk() # --- Listbox --- tk.Label(root, text='Listbox', bg='#aaa').pack(fill='x') l = tk.Listbox(root, selectmode=

问题 All!!! What events should be used when showing or hiding the dropdown list of < option >'s of < select > element? Actions: The user press key (Enter for example) or clicked the cursor on an < select > item and was showed dropdown list of < option >'s The user press key (Esc for example) or select other html element and was hidded dropdown list of < option >'s item #1 item #1 item #1 $('#myselect').on('event_show_dropdrown_list', function(){}); $('#myselect').on('event_hide_dropdrown_list',

问题 trying to implement a dropdown in an angular-app with bootstrap, I am having problems with the layout of the dropdown. The dropdown opens to the left of the button and not as a real dropdown to the bottom. Furthermore the complete navbar gets a new height. My HTML looks like following: HTML <div class="btn-group" > <button type="button class=" btn btn-success dropdown-toggle" data-toggle="dropdown" aria-haspopup="false" aria-expanded="false" (click)="panelExpanded = !panelExpanded">Login <