How does the 'binding' attribute work in JSF? When and how should it be used?

There are lot of materials out there differentiating value attribute and binding attribute in JSF. I'm interested in how both approaches differ from each other. Given: public class User { ...

Returning contents of template tag as string

I was wondering if there was a way of getting the contents of the elements within a template tag and returning it as a string? At the moment it seems like it is returning something along the...

Set an ipython widget value from javascript?

Say that there is a ipywidget created in IPython notebook, like so: from ipywidgets import widgets i = widgets.IntText() Is there a way to set the value from Javascript? I suspect that I'll need...

Scaling the non-client area (title bar, menu bar) for per-monitor high-DPI support

Windows 8.1 introduced the ability to have different DPI settings for different monitors. This feature is known as "per-monitor high-DPI support." It persists and has been further refined in...

How to fill webform

I want to update the fields in website using Excel values. I found this macro online and tried to edit it. How do I update fields once login is successful? I have added following...

How to pass List from view to controller - MVC 4

I missed a little thing while passing a list from view to controller. It displays null in [HttpPost] method of controller. Anyone please guide that how can I get list data from view to controller....

Adding CSS class to div with unique ID

So, I am really new to CSS. I am developing a site for the company I work for using WordPress. I know, WordPress "NOOB ALERT." Anyway, I am using the massive dynamic theme and was hoping to get...

Flutter: Routing to widgets from a Drawer

Is there an example on how to create a draw app & reuse widgets occupying the screen? Yes I know there is an example in the gallery demo app. However that's a bit cheeky because that sample...

Jquery DataTables: Data not displaying in table via Ajax

My problem is that Jquery DataTables is hanging at Loading and will not display any data from the php script: Here is my HTML: <!-- Default box --> <div class="box"> <div class="box-header...

django ListView with a form

I have a CBV that use ListView at first here my views.py class InventoryListView(ListView): context_object_name = 'inventorys' model = models.Inventory and here my template_list.html {%...

Laravel widgets and widget boxes

I have a homepage in my application with a series of blocks that I have added by including them into the page using Blade syntax. All of these widgets using HTML and Bootstrap styling. Each block...

Window is Full error in Flutter

When loading data from Firestore into a listview, i receive this warning W/CursorWindow(15035): Window is full: requested allocation 483 bytes, free space 274 bytes, window size 2097152 bytes I...

Twilio Studio HTTP request

I have been working with Twilio Studio trying to build this IVR tree. I need a few requests that will go back to my main platform to check the caller_id of the line calling in and to...

How to use return instead of echo in controller action of yii2

I have the following view file that upon user performing some function of selecting patient name from the system, the view file calls the controller actionListInvoices that in turn performs some...

Flutter: _InternalLinkedHashMap has no instance > method 'cast'

Sthg makes me crazy, I try to show json products in cards and it doesn't work. Here is what I tried so far: Product class : class Product { final String id; Product({this.id}); factory...

Alt+Enter stopped working for Dart files in IntelliJ

When building Flutter apps the ALT + Enter keyboard shortcut is very convenient not only to bring up Quick Fixes but also to bring up a popup menu to wrap/remove Widgets. It was working fine until...

How to use flutter hot reload in console?

I want to develop android apps with flutter without using Android Studio or some other IDE. I'm currently installing everything on my arch based linux distribution. Everything works fine for me...

How to print multiple values from dynamic list in ... loop

Hy, im working on a project, using table_calendar plugin im receiving meetings record from database and showing them as a marker on the calendar, now i want to show that meeting details on the...

(Error performing updateData, NOT_FOUND: No document to update:

I am getting this error when I go to my feed screen, can you advise what would be? the feedsScreen is supposed to show me all the posts from the people I follow however it does not show anything...

GetX state management

I started following a flutter course, in the state management section i decided to learn Getx state management instead. anyway in this shop tutorial I'm trying to change the icon status when...

How to get all events in a month using table_calendar in flutter?

I have built a calendar with user's appointments using table_calendar in flutter. In my current code, I can only return all appointments of the user. Now, I am trying to fetch all appointments...

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...

Can't update Flutter Firebase_Auth from version 0.15 to 0.18 while keeping the StreamProvider

I have a large Flutter app that is working perfectly... Now, I am struggling how to update the Firebase firebase_auth: ^0.15.5+3 plugin that has Breaking changes (since summer 2020). I absolutely...

Flutter: App keeps going back to initial route after hot reload

I have just upgraded FireBase plugins to latest version as per migration guide https://firebase.flutter.dev/docs/migration and started noticing that whenever I do hot reload my app is doing hot...

Flutter - Load Google Map Markers from Firestore

I am developing a Flutter app and one of the functions is a map with locations. I made a database with the locations in Firestore but I am unable to load the markers. I don't get any errors and it...

Cannot open camera using cv2.VideoCapture(0) in android phones

I need to create an android application using OpenCV VideoCapture() method with python kivy framework. Please note I'm not going to use KivyCamera available on Kivy, because I need to draw some...

Form with ModelChoiceField(required=True) doesn't raise ValidationError if no option is selected

I have a form that raises ValidationErrors for all fields if they are not valid. However, if there is no option from the ModelChoiceField selected, the form both doesn't submit (which is fine) and...

Is It possible to navigate or push from splash screen to admin screen or user screen based on the user role?

I am using Flutter and firebase to create a web application. Below are the dependencies: firebase_core: ^1.7.0 firebase_auth: ^3.1.3 cloud_firestore: ^2.5.3 Below are the script versions on...

Highlight feature with effects and blending in Arcgis JavaScript Api

I am using this sample, which uses layer blending and effect on multiple layers to create a more artistic way of highlighting features selected by the user. When the application loads, the basemap...

Query statistics by geometry in Scene Layer View using JavaScript API

I am using client-side feature queries which are useful in situations where the application should deliver immediate results in response to user input. With queries on the LayerView there is no...